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USER MANUAL > CENTER AND BLOCK A LENS

Delta 2 - Edging system > v2 - 08.16

5. Centering bifocal / trifocal lenses

Prerequisite: before carrying out lens centering, a shape must be displayed on the centering screen.

If necessary, we recommend that you first:

modify or retouch the traced shape

(p.63)

prepare the drilling points

(p.71)

to be created (option)

place the stickers recommended by the manufacturer on hydrophobic lenses.

(p.57)

Concerning the use of the stickers, be careful to change the centering tube with a larger diameter one to optimise the
effectiveness of the sticker.

This section describes the centering procedure for a bifocal or trifocal lens with a straight, curved or round segment.

Description of the centering target

Centering cross (orange cross) and the boxing center of the shape (blue cross)

Near vision mark

Centering marks

Centering the lens

Press

to select the type of bifocal lens.

Enter the half PD for near vision and the frame height.

Lower the tube.

Insert the posiblock and its pad in the centering device.

The centering target is displayed:

The target moves.

Summary of Contents for Delta 2 Classic

Page 1: ...User Manual ...

Page 2: ......

Page 3: ... with a Tess tracer 33 IV CENTER AND BLOCK A LENS 35 1 Centering environment 37 a Description of the centering blocking system 37 b Menu screen 41 c Calling up a shape 43 2 Centering a lens for a high base frame 44 3 Centering a single vision lens 44 4 Centering a progressive lens 46 a Centering a progressive lens using re marked micro engravings 47 b Centering a lens using manufacturer markings 4...

Page 4: ...ing the bevel curve 91 3 Grooving 91 a Automatic grooving 92 b Customized groove legend screen 93 c Customized grooving 94 d Modifying the groove curve 95 e Modifying a point in the groove curve 96 f Displacement of the groove curve 96 4 Flat edge finishing 97 5 Perform a drilling job 97 a Automatic drilling 98 b Legend screen for customized drilling 99 c Customized drilling 101 6 Polishing 102 7 ...

Page 5: ... history of the edger 133 a Edger cycles 133 b Technical history and errors 134 7 Make a backup of the jobs and display configuration 135 8 Changing or cleaning the blocking tube 137 9 Changing or cleaning the edger tools 139 a Changing or cleaning the drill bit 139 b Changing the grooving or chamfering wheel 140 10 Maintain and clean the tracer centerer blocker 142 a Precautions required 142 b Cl...

Page 6: ...USER MANUAL CONTENTS ...

Page 7: ...I INTRODUCTION ...

Page 8: ...USER MANUAL INTRODUCTION 8 Delta 2 Edging system v2 08 16 ...

Page 9: ...he product used Delta 2 Classic Delta 2 Delta 2 Drill This handbook documents the use of the Delta 2 Drill edger You have memory version V1 2 0 Correction of the procedure of optical tracing Addition of the procedure for changing the blocking tube Addition of the maintenance chapter concerning the edger ...

Page 10: ...USER MANUAL INTRODUCTION 10 Delta 2 Edging system v2 08 16 ...

Page 11: ...II FIRST STEPS WITH DELTA 2 ...

Page 12: ...USER MANUAL FIRST STEPS WITH DELTA 2 12 Delta 2 Edging system v2 08 16 ...

Page 13: ...s all the information relating to the product s first use Product description p 13 Using the device p 15 1 Descriptive diagrams Trough Centering blocking environment Screen Main switch Connectors Fan Manufacturer plate Power socket Solenoid valve socket Pump socket tank pump Solenoid valve socket town Serial port ...

Page 14: ... option Ø 0 8 mm drill bit option Ø 25 mm grooving wheel mounted on the module Chamfering wheel mounted on the module White felt tip marker Servicing accessories Orange dressing stone for glass roughing wheel White dressing stone for finishing wheel Square dressing stone for polishing wheel Open ended spanners for tool changeover quantity 2 Options Trimaterial edger for chamfering glass lenses Bar...

Page 15: ...elect to confirm Extended period of non use For a prolonged period of non use a few days it is preferable to power down the product using the main switch c Using the touch screen and keypads Using the touch screen It is possible to navigate between the tracer centerer blocker screen or the edger screen in two different ways Either by using the icons in the top left of the screen by pressing lightl...

Page 16: ...refer to the section Maintenance and servicing Check and calibrate Calibrate the touch screen p 124 Never press hard on the screen as this could break it Never press on the screen with sharp objects such as pens scissors clamps etc Screen breakage is not covered by the guarantee On each screen press the icon buttons to access the desired menus and functions Using the keypads When you need to enter...

Page 17: ...meric characters d Work screens Work screen tracer centerer blocker Main work screen for the tracer centerer blocker screen Icon for accessing the edger s work screen Job information Settings Devices connected Active eye and information on the shape Work area Tracer centerer blocker icon Actions available on the present screen ...

Page 18: ...1 Edging screen edger Main menus of the edging screen Icon for accessing the tracer centerer blocker work screen Tool wear indicators Settings Devices connected Active eye and information on the shape Size increase reduction Work area Edger icon Job call Actions available on the present screen Start the edging cycle For more information refer to the section Edging a lens Edger environment Menu scr...

Page 19: ...III CARRY OUT AN OPTICAL TRACING ...

Page 20: ...USER MANUAL CARRY OUT AN OPTICAL TRACING 20 Delta 2 Edging system v2 08 16 ...

Page 21: ...d store shapes p 24 trace a pattern a demo or a recut lens p 27 1 The tracing environment This section describes the tracing screen and explains how to manage the jobs description of the tracing screen p 21 jobs and work modes p 22 a Menu screen Menu screen Dimensions display A A dimension B B dimension D D dimension E Larger radius from the Boxing center P Perimeter Function buttons Machine shutd...

Page 22: ...nd the frame To set the size increase consult the section Tracer centerer blocker configuration Customize Work modes and display precision p 110 New Job For more information on consult the section jobs p 156 Perform a trace Management and storage of shapes Create a job p 27 Tracing cycle initialization b Jobs and working modes Jobs A job consists in all the actions to be carried out to produce a p...

Page 23: ...owing parameters in the configuration screen p 110 Working in tracing tracing mode At the end of a tracing the tracer centerer blocker displays the tracing screen You can perform several tracing operations in succession The tracings are saved under the job number that you have assigned to them Shape modification centering blocking and edging preparation are processed later All jobs must be saved A...

Page 24: ...n p 24 Job list p 25 Create a job p 26 Work on current job mode job A p 27 a Menu screen From the tracing screen or the centering screen press on the menu then to access the shape storage screen Sort the jobs ID Reference Date Types of jobs Drilled Asymmetric tracings Creative shapes Selected job Select the eye to be displayed in the preview Shape preview Information concerning the lens shape and ...

Page 25: ...rting with the letter R are displayed Select several jobs Press to select several non consecutive jobs in the list Example Press on the button then select jobs 1 5 7 Only jobs 1 5 and 7 are selected Press to select a group of consecutive jobs in the list then select the first and the last of the group Example Press on the button then select jobs 1 and 10 All jobs from 1 to 10 are selected Select a...

Page 26: ...ain the information of your choice customer s name frame brand or reference manufacturer etc Press on to confirm The tracer centerer blocker is ready for tracing For further information refer to the section concerning your job type If you don t want to save the job you can work in current job mode For more information refer to the section Working in current job mode job A p 27 Successive tracings ...

Page 27: ...the section First steps Using the tracer centerer blocker Using the touchscreen and keyboards p 15 Press to select the field ID p 156 Press to delete the ID Press on to confirm The tracer is ready for tracing For further information refer to the section concerning your type of job 3 Optical tracing Preparing optical tracing of demo or recut lens This type of tracing makes it possible to retrieve t...

Page 28: ... either three focimeter dots or a horizontal line which must not touch the edges of the lens a space of at least 5 mm is required Avoid using red markers Tracing Press to select optical tracing Press to indicate the eye to trace Press to select a type of frame Press to select the pattern or press to select the demo or recut lens Press to select the type of play between the demo lens and the frame ...

Page 29: ...AL CARRY OUT AN OPTICAL TRACING Delta 2 Edging system v2 08 16 29 10 9 8 Press on to start the tracing cycle Press on to confirm Position the lens The following message appears The following message is displayed ...

Page 30: ...acing tracing mode the result of the tracing is displayed in the work area of the tracing screen For more information on work modes refer to the section Tracing Tracing environment Jobs and work modes p 22 Before Centering Once tracing has been carried out you can enter the curve angle and the frame base for optimal centering precision Refer to the section Centering a lens Centering a lens for a h...

Page 31: ...tracing of the pattern a demo lens or a recut lens p 27 Entering the curve angle and frame base values Press the button Select the curve angle value to modify it Place the frame on the screen the vertical blue line at the centre of the frame the bridge of the frame superimposed on the base line Use the and buttons to align the light blue lines with the nasal and temporal ends of the circles You ca...

Page 32: ...You can also press for a few seconds on the value and change it using the digital keyboard Press on to confirm 5 Case of a mechanical tracing a Connection with a PHI tracer Metal frame acquisition of the groove profile Plastic frame Local tracing not used here Selection right eye left eye Cycle start up button The value is displayed in red ...

Page 33: ...t s not possible to recall a previous shape b Connection with a Tess tracer Current job Turn on the Tess tracer Perform a current tracing job on the Tess tracer On the machine s work screen in edger mode press for a long time on the icon of the Tess tracer press on to override the current job press on to cancel and return to the menu A beep rings out The form appears directly on the work screen of...

Page 34: ...cer Perform a current tracing job on the Tess tracer On the machine s work screen in edger mode press for a long time on the icon of the Tess tracer Complete the job number and press on press on to end the current job press on to cancel and obtain a new job number The following page appears The following window is displayed ...

Page 35: ...IV CENTER AND BLOCK A LENS ...

Page 36: ...USER MANUAL CENTER AND BLOCK A LENS 36 Delta 2 Edging system v2 08 16 ...

Page 37: ...e lens p 53 Centering a lens for a high base frame p 44 This chapter also describes the procedure lens blocking p 57 1 Centering environment This section describes the centering screen and the various centering modes available Description p 37 Menu screen p 41 Job call p 43 a Description of the centering blocking system Pre requisite before carrying out the centering of the lens supply a posiblock...

Page 38: ...4 Position the lens on the tube As opposed to the other machines the lens must be placed with convex side on the tube Center the lens To center the lens align the markup of the lens with the target according to the lens type used bifocal progressive etc Centering is manual ...

Page 39: ... CENTER AND BLOCK A LENS Delta 2 Edging system v2 08 16 39 1 Block the lens Hold the lens with both hands and put pressure down on the lens Blocking is manual The tube drops and the posiblock is fixed on the lens ...

Page 40: ... eye and type of display of PD and pupillary height Information on the right eye Visual cue of the frame positioned facing the screen Information on the left eye It is possible to start independently with the right eye or the left eye On the other hand the change of the eye must be carried out manually ...

Page 41: ... used Active eye and type of display of PD and pupillary height Four modes available Boxing mode Datum mode ΔY mode ΔX ΔY mode For more information on the type of display consult the section Digital system configuration Customize the tracer centerer blocker Decentration mode p 111 Half PD Pupillary height Posiblock display to be used depending on the job Work area Nasal side indicator green or cya...

Page 42: ...d distance lens p 156 Value modification To reduce or increase the previously selected value Toggle between the PD and pupillary height Shape modification Provides access to the shape modification screen For more information consult the following chapter Modifying the lens shape p 63 Drilling preparation option Provides access to the drilling screen For more information consult the chapter Prepari...

Page 43: ...hen look for a job by ID reference date job type drilled asymmetric tracings creative shapes For more information consult the section Perform a trace Management and storage of shapes Legend screen p 24 On the tracer if the connection to the tracer is activated There are 3 ways to call a traced job on a tracer and to carry out a job p 156 Calling the current shape Press to display the shape being p...

Page 44: ...hape p 63 prepare the drilling points p 71 to be created option place the stickers recommended by the manufacturer on hydrophobic lenses p 57 Concerning the use of the stickers be careful to change the centering tube with a larger diameter one to optimise the effectiveness of the sticker This section describes the procedures for centering a single vision lens For centering using three focimeter do...

Page 45: ...rks Centering the lens Press to select the type of single vision lens Enter the half PD and pupillary height Lower the tube Insert the posiblock and its pad in the centering device Raise the tube back into centering position Position the lens on the tube with the convex side on the tube In three focimeter dots mode move the lens slowly until the three focimeter dots are perfectly aligned on the ta...

Page 46: ...ion place the stickers recommended by the manufacturer on hydrophobic lenses p 57 Concerning the use of the stickers be careful to change the centering tube with a larger diameter one to optimise the effectiveness of the sticker This section describes the procedures for the centering of a progressive lens using re marked micro engravings mode p 47 using manufacturer markings mode p 48 Description ...

Page 47: ...er supplied with the centerer blocker to mark the lens Centering the lens Press to select the type of progressive lens Enter the half PD and pupillary height Lower the tube Insert the posiblock and its pad in the centering device Raise the tube back into centering position Position the lens on the tube with the convex side on the tube Move the lens slowly until the micro engravings are Symmetrical...

Page 48: ...ry depending on the manufacturer of the lenses To block the lens refer to the section Centering a lens Blocking a lens p 57 b Centering a lens using manufacturer markings Prerequisite The markings must be clear The lens must at least have the following markings Far vision mark Centering marks The lens is centered and ready to be blocked ...

Page 49: ...ad in the centering device Raise the tube back into centering position Position the lens on the tube with the convex side on the tube Slowly move the lens until manufacturer markings are Perfectly centered in the centering cross Parallel to the horizontal lines To block the lens refer to the section Centering a lens Blocking a lens p 57 The centering target is displayed The target moves The lens i...

Page 50: ...ing the use of the stickers be careful to change the centering tube with a larger diameter one to optimise the effectiveness of the sticker This section describes the centering procedure for a bifocal or trifocal lens with a straight curved or round segment Description of the centering target Centering cross orange cross and the boxing center of the shape blue cross Near vision mark Centering mark...

Page 51: ...eated option place the stickers recommended by the manufacturer on hydrophobic lenses p 57 Concerning the use of the stickers be careful to change the centering tube with a larger diameter one to optimise the effectiveness of the sticker This section describes the procedure for centering an executive lens Prerequisite the lens must be marked using a focimeter The three focimeter dots must be align...

Page 52: ...or far vision and the frame height Lower the tube Insert the posiblock and its pad in the centering device Raise the tube back into centering position Position the lens on the tube with the convex side on the tube Move the lens slowly until it is perfectly centered Line up the transition segment between near vision and far vision with the horizontal mark in the center Position the central focimete...

Page 53: ...d option place the stickers recommended by the manufacturer on hydrophobic lenses p 57 Concerning the use of the stickers be careful to change the centering tube with a larger diameter one to optimise the effectiveness of the sticker This section describes the procedures for the centering of a mid distance lens using re marked micro engravings mode p 54 using manufacturer markings mode p 55 Descri...

Page 54: ...dvise you to use the white felt tip marker supplied with the tracer centerer blocker to mark the lens Centering the lens Press to select the type of mid distance lens Enter the half PD and the frame height Lower the tube Insert the posiblock and its pad in the centering device Raise the tube back into centering position Position the lens on the tube with the convex side on the tube Move the lens s...

Page 55: ... of Essilor mid distance lenses is 6 mm This may vary depending on the manufacturer of the lenses To block the lens refer to the section Centering a lens Blocking a lens p 57 b Centering a lens using manufacturer markings Prerequisite The markings must be clear The lens must at least have the following markings Centering cross Centering marks The lens is centered and ready to be blocked ...

Page 56: ...ad in the centering device Raise the tube back into centering position Position the lens on the tube with the convex side on the tube Slowly move the lens until manufacturer markings are Perfectly centered in the centering cross Parallel to the horizontal lines To block the lens refer to the section Centering a lens Blocking a lens p 57 The centering target is displayed The target moves The lens i...

Page 57: ...er Always use Essilor pads they are specially designed to ensure the performance of your machine for quality jobs The pads are non re usable Do not stick pads on posiblocks in advance as they may loose some of their holding power The posiblock must never be placed on the rear inner surface of the lens Blocking in Boxing center or in optical center Depending on your working practice you can choose ...

Page 58: ... mode consult the section Tracer centerer blocker configuration Customize Work modes and display precision p 110 Tubes There are two diameters of tube the smallest tube has a diameter of 42 mm It is the standard tube mounted by default on the machine the large tube has a diameter of 53 mm It is an optional accessory and will be used only in certain typical cases stickers for example It is mounted ...

Page 59: ...e the posiblock adapted to the shape indicated at the bottom right of the screen or Place the posiblock on the pad and press firmly with the self adhesive face upwards and tabs towards the left Remove the film from the self adhesive face Lower the tube Position the posiblock within the boundary of the tube designed for this purpose ...

Page 60: ...the lens apply pressure with two hands on the tube in order to lower it For a hydrophobic lens be careful to use the large diameter tube and the stickers designed for this purpose Center and block the second lens The posiblock adheres to the surface of the lens The lens is blocked The edging preparation screen is displayed automatically ...

Page 61: ...USER MANUAL CENTER AND BLOCK A LENS Delta 2 Edging system v2 08 16 61 8 Center and block the second lens The edging preparation screen is displayed automatically ...

Page 62: ...USER MANUAL CENTER AND BLOCK A LENS 62 Delta 2 Edging system v2 08 16 ...

Page 63: ...V MODIFYING THE LENS SHAPE ...

Page 64: ...USER MANUAL MODIFYING THE LENS SHAPE 64 Delta 2 Edging system v2 08 16 ...

Page 65: ...n Current shape from the shape traced and associated drilling points cyan Current shape obtained by symmetry with the shape traced and associated drilling points light red Shape before modification grey Part of the shape not selected for the current modification yellow Limit of the drilling zone red Non machinable shape blue Reference drilling points Binocular view Half PD and pupillary height Act...

Page 66: ...on p 68 within the constraints pertaining to lens edging shape retouch p 69 in the event of possible tracing defects Shape modifications and retouches are only applied if all the dimensions and half dimensions limits are included If a portion of the shape is not included within the machinable limits it is displayed in red Both lenses are modified simultaneously a Enlarging reducing or rotating a s...

Page 67: ...esponding value to display the numeric keypad enter a new value and press to confirm Example of a total enlargement of the shape Rotating a shape around the boxing center Press to select modification by rotation Use the or buttons to rotate the shape clockwise or anti clockwise by 1 and view the modification in real time A red rectangle is displayed around the icon The shape is modified The origin...

Page 68: ...ack to the centering screen b Free form modification This function enables you to freely modify the shape of the lens Select Drag the cursors and to delimit the selection area Move the line starting at the boxing center to orient the modification Use the buttons or to reduce or enlarge the shape The selection area is defined by two cursors and The area not affected by the modification is displayed...

Page 69: ...ng a shape This function enables you to retouch the shape of the lens Select Drag the cursors and to delimit the selection area Select the type of retouch The types of retouch available vary according to the size of the selected area Retouch to create a straight line Retouch to create a curve Retouch to create an angle The selection area is delimited by two cursors and The area not affected by the...

Page 70: ...k to the centering screen 3 Archiving saving a shape This function enables you to save a modified shape to a new job with a new ID while keeping the original job Press You can also give it a different ID Enter a reference for the shape to be saved Press on to confirm The job creation alphanumeric keypad is displayed A new ID is allocated first free slot in the selected list The shape is archived i...

Page 71: ...VI PREPARING A DRILLED JOB ...

Page 72: ...USER MANUAL PREPARING A DRILLED JOB 72 Delta 2 Edging system v2 08 16 ...

Page 73: ...re existent drillings If you trace a demo lens or a pattern and if drill holes are detected then the drilling screen is automatically displayed once the tracing is carried out Glass lenses The drilling function is not available for glass lenses 1 Menu screen The drilling screen is accessible from the centering screen from the edging preparation screen Press to prepare a drilled job The following s...

Page 74: ...ling point and the edge of the lens Virtual mouse Slide the stylus in this area to move the selected drilling points Drilling point dimensioning Diameter in mm default value 1 40mm Drilling depth in mm in the case of non through drilling default value 0 through drilling Length of slot or notch in mm default value of slot 3 40mm Angle of slot or notch in default value for right eye 0 on nasal side ...

Page 75: ...tch Press on the shape at the spot where you want to position the drilling point Press to copy the drilling points from the nasal area to the temporal area and vice versa On the tracer centerer blocker you can configure up to 6 drilling points per side nasal and temporal of a shape b Delete one drilling point Select the drilling point to be deleted If you want to delete all drilling points from th...

Page 76: ...eter and press to confirm Grouping the drilling points If you need to modify several drilling points simultaneously you can group them together provided they are on the same side of the shape nasal side temporal side By default the symbol is displayed each drilling point can be modified individually Press is displayed All future modifications will be applied to all drilling points in the same way ...

Page 77: ...m the edge of the lens For greater precision when you use the virtual mouse or the and buttons press to zoom in on the selected drilling point the displacement step is 0 01mm 0 1mm for normal display Press on the drill hole slot or notch to select it Press a few seconds on the value corresponding to the coordinates to be modified X coordinates Y coordinates Distance in relation to the edge of the ...

Page 78: ...tions will be applied to all drilling points in the same way only the reference drilling point is modifiable the coordinates of the other drilling points are greyed out To un group the drilling points press again Reference drilling point The first drilling point you create on a shape automatically becomes the reference drilling point in relation to which the others are positioned Each side nasal a...

Page 79: ... re use it This section describes the following import a model on a shape p 79 save a model p 80 a Importing a model This function enables you to re use the drilling points of a job in the shape management screen in the current job Importing a drilling model enables you to retrieve the drilling settings diameter depth length angle the height of the drilling points in relation to the center of the ...

Page 80: ...a new ID whilst saving the original job Saving a model enables you to save in a new job the traced shape the value of the D dimension the drilling point settings the drilling point heights in relation to the boxing center of the shape Y coordinates the distance from reference drilling points with regard to the edge of the lens other drilling points in relation to the reference drilling point Press...

Page 81: ...VII EDGING A LENS ...

Page 82: ...USER MANUAL EDGING A LENS 82 Delta 2 Edging system v2 08 16 ...

Page 83: ...ed job p 97 Polishing p 102 Chamfering p 102 Retouching p 103 1 Edger working environment This section describes The edger work screen p 83 Shape call up procedure p 85 Putting the lens in place p 85 a Menu screen Size reduction increase mm Job call button from the tracer Lens material Plastic lens index 1 5 p 157 Polycarbonate lens Medium or high index plastic lens index 1 5 Trivex lensTM ...

Page 84: ...of material 2 star cycle For all types of materials This cycle offers a more sophisticated edging mode than the standard cycle dedicated to thin lenses or hydrophobic lenses Polishing Polished lens Non polished lens Front surface chamfering Small chamfer Large chamfer No chamfering Rear surface chamfering Small chamfer Large chamfer No chamfering Manual lens clamping Press and hold to close the le...

Page 85: ... and finish the modifications underway on the tracer A reminder of the type of posiblock required is displayed on the shape It is crucial to use the proper accessory to edge the lens Otherwise an error message is displayed at the start of the cycle c Lens set up and feeling Prerequisite the lens must be centered and blocked before placing it in the edger Check that the posiblock holder and the sto...

Page 86: ... you can opt for front rear surface tracking a distributed bevel lens curve tracking or frame customized mode p 87 rim tracking You can also do the following a general modification of the bevel curve p 89 a modification at a point of the bevel curve p 90 a displacement of the bevel curve p 91 You can consult the description of the customized bevel screen p 87 The tightening of the lens starts cons...

Page 87: ... lens Otherwise start edging the second lens Select the lens directly on the screen on the left or right of the work area b Legend screen for customized bevels Automatic bevel Customized bevels Front surface tracking the crest of the bevel is positioned at a constant distance from the front surface Rear surface tracking the crest of the bevel is positioned at a constant distance from the rear surf...

Page 88: ...l trajectory Flat representation of the lens making it possible to assess the distances between the bevel crest and the front rear surfaces of the lens Trajectory modification General modification of the bevel curve Modification of the bevel curve at a particular point Displacement of the bevel curve Navigation Stop the cycle Back to the main edging screen Start the edging cycle c Customized bevel...

Page 89: ...ou have configured the desired type of customized bevel you can complete your customization by moving the bevel curve towards the front or rear surface of the lens so it takes on its shape Press from the customized bevel finish screen Press to select the general modification of the bevel curve Use the buttons and to move the bevel curve Press to move the curve towards the front surface of the lens...

Page 90: ...ove it towards the front surface of the lens Press to move it towards the rear surface of the lens The curve cannot be moved more than the minimum distance between the front and rear surfaces observed on the bevel before the modification Close the door Press Press to go back to the customized bevel finish screen The position of the bevel as well as the distances between the crest of the bevel and ...

Page 91: ...tomatic mode p 92 The lens edging starts automatically after the feeling cycle In you can perform a front rear surface tracking a distributed groove or a lens curve tracking customized mode p 94 You can also do the following a general modification of the groove curve p 95 a modification at a point of the groove curve p 96 a displacement of the groove curve p 96 You can consult the description of t...

Page 92: ...ose whether or not to polish and or chamfer your lens For more information consult the section and Edging a lens Perform a polishing p 102 Edging a lens Perform a chamfering p 102 Close the door Press Press to release the lens If necessary retouch the lens Otherwise start edging the second lens Select the lens directly on the screen on the left or right of the work area The shape is displayed on t...

Page 93: ... groove is adjustable Lens thickness Maximum lens thickness represented by the white square along the shape Minimum lens thickness represented by the red square along the shape Cursor movement The cursor is represented by the green square along the shape To move it select it directly or use the and buttons Zoom window Distance between the edges of the groove and the front rear surfaces of the lens...

Page 94: ...oove Thin lens Makes it possible to balance out the groove when thin lenses are used Flat base High base Thin lens for which the base is approximately equal to the frame base In the event of pattern tracing base 0 makes it possible to retrieve the frame base Call the desired shape located on the tracer the groove finish is selected by default the automatic mode is selected by default Select lens m...

Page 95: ...ce of the lens The curve cannot be moved more than the minimum distance between the front and rear surfaces observed on the groove before the modification Close the door Press Press to release the lens If necessary retouch the lens Otherwise start edging the second lens Select the lens directly on the screen on the left or right of the work area The edging cycle starts When the edging cycle is fin...

Page 96: ...ement of the groove curve enables you to move the groove without modifying its curve or perimeter Press from the customized groove finish screen Press to select the displacement of the curve Use the and buttons to displace the curve Press to displace it towards the front surface of the lens Press to displace it towards the rear surface of the lens Close the door Press Press to release the lens If ...

Page 97: ... value automatic mode p 98 calculated at right angles with the front surface of the lens for each drilling point The lens edging starts automatically after the feeling cycle In you can do the following customized mode p 101 Drilling at right angles with the front or rear surface you can modify the diameter but not the drilling angle which is automatically calculated by the edger based on the lens ...

Page 98: ...g a lens Perform a polishing p 102 Edging a lens Perform a chamfering p 102 Close the door Press Press to release the lens If necessary retouch the lens Otherwise start edging the second lens Select the lens directly on the screen on the left or right of the work area The shape is displayed on the edger work screen After the tracing of a shape with drilling settings The tightening then the feeling...

Page 99: ...rilling points Modify the selected value Modify the diameter diameter mm difference between the initial value and the modified value Modify the drilling angle drilling angle degrees difference between the initial value and the modified value Cross sectional view Cross sectional view of the lens after the feeling cycle showing the angle of the drill bit at the selected drilling point Reminder of si...

Page 100: ...USER MANUAL EDGING A LENS 100 Delta 2 Edging system v2 08 16 8 Return to the main edging screen without saving your changes Starting the cycle ...

Page 101: ...ect the type of drilling you want to do If necessary select the drilling point s you want to modify If necessary modify the diameter and or angle of the selected drilling point Press Press to release the lens If necessary retouch the lens Otherwise start edging the second lens Select the lens directly on the screen on the left or right of the work area The shape is displayed on the edger work scre...

Page 102: ...is pre selected 7 Chamfering The chamfer also called counter bevel removes the sharp edge of the lens Standard value of a small chamfer 0 20 mm Standard value of a large chamfer 0 40 mm Before you select a type of chamfer make sure it is compatible with the lens characteristics Lens material LENS MATERIAL AVAILABLE OPTIONS The quality of the chamfer depends on the spraying Make sure there is a con...

Page 103: ... used when blocking Press on the buttons and to configure a small chamfer a large chamfer or no chamfer on the front and rear surfaces of the lens 8 Perform a Retouching Diameter modification Manual lens clamping Retouch launch Differences with the edging screen The edging screen is different to the retouch screen through the presence of the posiblock no frame thickness the edging start up button ...

Page 104: ...in the posiblock holder To close the clamp shafts manually press and hold Close the door Press Select the second lens to be edged directly on screen on the left or right of the work area Depending on your job The chosen finish and the modifications made during the edging cycle are automatically selected For a customized finish the customized finish screen is displayed In all the other cases the au...

Page 105: ...VIII SET THE EDGING SYSTEM ...

Page 106: ...USER MANUAL SET THE EDGING SYSTEM 106 Delta 2 Edging system v2 08 16 ...

Page 107: ...the tracer centerer blocker and the edger This section describes the procedures to set the time date and language p 107 access the connections and the network p 109 configure a screensaver p 108 a Time date and language To reach this menu from your working screen select The following screen is displayed Time Use the and arrows to set the time Date Use the and arrows to set the date Type of date di...

Page 108: ...you to configure a screensaver To reach this menu from your working screen select The following screen is displayed Screensaver display Activate or deactivate the screensaver Triggering Set the waiting time before the display of the screensaver in seconds Transition Set the transition time between each image in seconds To be defined Once the modification is made press to return to the work screen ...

Page 109: ... List of devices connected to the tracer centerer blocker Checking for updates Reinitialization of communication ports Next page Previous page Ethernet port RJ 45 Press on this button to activate or deactivate the Ethernet port Addressing mode Static mandatory if the machines are connected to one another DHCP the addressing settings of the optician s network have been recovered Ethernet network se...

Page 110: ...sing the action bar p 112 Adjusting the brightness p 113 a Working modes and display precision This menu is used to customize the tracer centerer blocker to suit your work preferences the working mode the measurement accuracy display the centering page zoom the blocking mode in the boxing center or optical center To reach this menu since your working screen select The following screen is displayed...

Page 111: ...fault Working mode Select the default working mode tracing tracing Tracing centering Lens blocking Select the lens blocking mode in the boxing center in the optical center Zoom The work area is scale 1 1 by default in the centering screen The work area is in zoom mode by default in the centering screen Once the modification is made press to return to the work screen b Decentration mode This menu e...

Page 112: ...this value corresponds to the difference in height between the boxing center of the shape and the pupillary center of the wearer Once the modification is made press to return to the work screen c Action bar This menu enables you to customize the action bar according to your requirements You can enable default options so that they are displayed first in the job options disable options you do not re...

Page 113: ...ion enabled the option can be selected in the action bar drop down menus Option disabled the option is no longer displayed in the action bar Option circled in orange the option is displayed and selected by default in the action bar Once the modification is made press to return to the work screen d Brightness You can adjust the default brightness of the work area and or the touch screen to improve ...

Page 114: ...115 the chamfer p 116 the depth and width of the groove p 117 a Adjusting the diameter of the finished lenses If lenses of a particular material always seem too small or too big after edging you can adjust their diameter according to the type of frame To access this menu from the work screen of your edger select The following screen is displayed Frame types Metal Plastic Optyl Drilled Grooved Flat...

Page 115: ... lens Press to move the bevel towards the rear surface of the lens Default polished bevel position Press to move the polished bevel towards the front surface of the lens Press to move the polished bevel towards the rear surface of the lens Default groove position Press to move the groove towards the front surface of the lens Press to move the groove towards the rear surface of the lens Once the mo...

Page 116: ... hole will be smaller Positive value the hole will be larger Press on to confirm Once the modification is made press to return to the work screen d Adjusting the chamfer After edging a lens if a chamfer always seems too small or too big you can adjust its size according to the lens material To access this menu from the work screen of your edger select The following screen is displayed Chamfer Smal...

Page 117: ...too small or too big you can adjust them To access this menu from the work screen of your edger select The following screen is displayed Adjusting the default groove width Press to reduce the width of the groove Press to increase the width of the groove Adjusting the default groove depth Press to reduce the depth of the groove Press to increase the depth of the groove Once the modification is made...

Page 118: ...USER MANUAL SET THE EDGING SYSTEM 118 Delta 2 Edging system v2 08 16 ...

Page 119: ...IX MAINTENANCE SERVICING ...

Page 120: ...USER MANUAL MAINTENANCE SERVICING 120 Delta 2 Edging system v2 08 16 ...

Page 121: ...ge or clean the blocking tube p 137 Change or clean the edger tools p 139 Maintain and clean the tracer centerer blocker p 142 Maintain and clean the edger p 142 1 Perform the autotest of the tracer This menu allows you to perform a self diagnosis of the functions of the tracer Select from the work screen Test camera LED band tests Principal LED test There exist two types of diagnosis diagnoses ca...

Page 122: ...USER MANUAL MAINTENANCE SERVICING 122 Delta 2 Edging system v2 08 16 2 The equipment is operational A malfunction has been detected a description is displayed in the message box on the right ...

Page 123: ... of lens shafts Reproducer lens shaft raising and lowering Closing of lens shafts Wheel rotation GCD module rotation Movement of the GCD module Transfer initialization Monoprobe test Watering test trough spraying door spraying Select the autotest to be carried out Close the door Press to start the test cycle To interrupt the cycle at any time press The result is displayed on the right of the icon ...

Page 124: ...if your operations have become difficult due to lack of precision Touch screen malfunction You can directly access the calibration screen without using the settings menu To do this press on the centering screen for 5 seconds Calibrating the touch screen Select on the working screen Press to start calibration Press to cancel and return to the menu Point precisely on each cross as they are displayed...

Page 125: ...s to launch calibration Lower the centering tube and position the reflectors then press to confirm Position the calibration gauge grid of points then press to confirm The following screen will appear A message is displayed The first measurement is started The following message appears The second measurement s started Once it s carried out the result is displayed on the right of the icon ...

Page 126: ...heck Calibration Select on the working screen Take off the reflectors Select the calibration function Position the posiblock and click on Press to return to the work screen Correct result A malfunction was detected a message appears indicating that a calibration technician is necessary contact your technical department A Pop up is displayed Once it s finished the following screen is displayed ...

Page 127: ... the reflectors Select the controls calibration function Position the posiblock and click on Press to return to the work screen d Check the optical system Light panel luminosity adjustment Camera contrast adjustment Screen brightness adjustment A Pop up is displayed Once it s finished the following screen is displayed ...

Page 128: ...u can perform a calibration inspection of the position of the monofeeler in the trough At the time of the cycle of calibration of the feeler the edger takes into account the wear of the feelers since the last calibration and adjusts it to mitigate any possible variation Have the plastic calibration gauge to hand Press on to reach the menu of calibration The following screen is displayed Place the ...

Page 129: ...erpendicular to the screen so as not to alter the calibration Press to return to the work screen 5 Statistics and technical history of the tracer This menu enables you to visualize the number of cycles carried out by the tracer centerer blocker It also gives you access to the technical history Tracer centerer blocker statistics p 129 Technical history and errors p 132 a Tracer centerer blocker sta...

Page 130: ...the product is connected with a Tess tracer the following screen is displayed Partial counter Number of actions performed since the last reset to zero Total counter Total number of actions performed Tracings performed with a tracer connected to the tracer centerer blocker Total number of tracings Asymmetric binocular tracing p 156 Symmetric binocular tracing p 157 Right eye monocular tracing Left ...

Page 131: ...ing Tracing of a pattern Tracing of a recut demo lens Tracing table tests and calibrations Next page Previous page Centering operations Blocking operations Calibrations and inspections of the centering calibration Reset You can reset a partial counter to zero Select the cycle counter to reset to zero Press to reset it to zero Statistics if the Tess tracer is connected but not turned on In the case...

Page 132: ...r codes generated by the machine by frequency of appearance Sort on the partial counters by pressing Total counter You can sort the error codes generated by the machine by frequency of appearance Sort on the total counters by pressing Sorting Pressing twice on the previously selected icon or or on allows you to define the sorting direction ascending descending Error message codes Classed by displa...

Page 133: ...med by the edger The following screen is displayed Partial counter The replacement of a worn tool with a new one resets the partial counter s to zero Total counter Edging operations Number of edging drilling and finishing operations performed depending on the lens material Roughing Bevels Flat edge finish Grooves Drill holes slots Notches Polishing Chamfers Drilling Number of drilling operations p...

Page 134: ...appearance To sort the partial counters press press again to define the sort direction ascending descending Total counter You can sort the error codes generated by the machine by frequency of appearance To sort the total counters press press again to define the sort direction ascending descending Sorting Button used to define the direction of sorting ascending descending Error message codes Classe...

Page 135: ... screen select Data import export Customise the display Press to select the action to perform perform a backup import a backup Click to backup the customized tracer display Press to start the operation Number of product M16XXX Serial number of the product Optician Date Hour XXhXXmXXs It is advisable to backup your jobs regularly The following screen is displayed Once the backup is performed a file...

Page 136: ...ata present on the backup key Click on to import a display customization If several backups are present on the key make sure to choose carefully what you want to restore the data present on your tracer will be erased and overridden by the data of the backup that you selected Check the product serial number and the date and time of backup Press to start the operation Remove the USB key The backup s...

Page 137: ...tube Put the blocking tube in the high position Pivot the tube in the opposite direction of the hands of a watch to its limit approximately 20 You must make the tube pivot before trying to remove it from its support in order not to damage the system Raise the tube to remove it from its support Use the 53 mm diameter blocking tube ...

Page 138: ...areful to align the barbs with the notches of the support tube Pivot the tube in the direction of the hands of a watch to its limit approximately 20 Precautions for cleaning In order not to damage the LED band surrounding the centering chamber clean the tube using a dry rag without rubbing it Never pour liquid on these parts ...

Page 139: ...ools may cause lens breakage or errors with respect to lens shape or drill hole diameter change the tools as soon as they are worn check the indicators and statistics of your digital system Incorrect positioning of the tools may cause breakage or errors with respect to lens shape or drill hole diameter insert the tools fully a Changing or cleaning the drill bit The wear indicator informs you of th...

Page 140: ...ering wheel Wheel shaft Grooving wheel The boss is turned towards the right Chamfering wheel It is equipped with a positioner to prevent incorrect insertion Trimaterial chamfering wheel option May be ordered for chamfering glass lenses Washer Nut We recommend that you change the grooving and chamfering wheels every 5 000 grooves or chamfers Have the following to hand Allen key Open ended spanner W...

Page 141: ...osening the nut on the wheel shaft you could be injured by the drill bit Before loosening the nut you are strongly recommended to take the drill bit out of the chuck For instructions on how to proceed consult section Maintenance and servicing Changing the tools on the edger Changing or cleaning the drill bit p 139 Place the open ended spanner behind the chamfering wheel to hold the spindle and ins...

Page 142: ...pour liquid on these parts c Clean the tube In order not to damage the LED band surrounding the centering chamber clean the tube using a dry rag without rubbing it Never pour liquid on these parts 11 Maintaining and cleaning the edger This section describes the procedures for servicing and cleaning the digital system Precautions required p 142 Clean the GCD module p 143 Clean the door p 143 Dress ...

Page 143: ...ng menu The following screen is displayed Cleaning the module and trough Close the door Press to start the cleaning cycle The cleaning is done automatically c Dismantle and clean the door Have a Phillips screwdriver to hand Unscrew the screw using the Phillips screwdriver whilst holding the window in place Slide the door then pull it towards you to put it down ...

Page 144: ...rubbing To put the door back proceed in the opposite way Precautions Make sure to correctly position the door in the door slides d Dress the wheels For example with a 4 wheel train Glass roughing wheel Finishing wheel Polishing wheel Plastic roughing wheel This wheel cannot be dressed The door has been dismantled ...

Page 145: ...ow to avoid possible damage Orange dressing stone for the glass roughing wheel White dressing stone for the finishing wheel Square dressing stone for the polishing wheel Insert the dressing stone for the selected cycle between the lens clamp shafts with the hollow side against the posiblock holder Press to close the clamps Close the door Press to start the dressing cycle Once the cycle is finished...

Page 146: ...USER MANUAL MAINTENANCE SERVICING 146 Delta 2 Edging system v2 08 16 ...

Page 147: ...TECHNICAL DATA ...

Page 148: ...o block the vents and to leave enough space above the device Do not place any object on the device Avoid exposing the device to vibrations or shocks The back of your machine must be at least 20 cm away from a wall General features Networking possibility PC Essibox RS232C RJ45 and RS485 ports Integrated auto maintenance functions self calibration autotests Dimensions L 550 D 500 H 580 mm Size of co...

Page 149: ...ng Automatic groove Customised groove base tracking distributed groove front surface tracking rear surface tracking partial and total adjustment Adjustable groove width and depth Groove depth between 0 20 and 1 20 mm modification step 0 05 mm Groove width between 0 55 and 1 20 mm modification step 0 05 mm Distribution value modification step of 0 1 mm or 5 distributed groove Chamfering Chamfer adj...

Page 150: ...v2 08 16 CR39 mineral 10 litres minute Polycarbonate Trivex and MHI 8 litres minute TM Measured noise level on edging at a distance of 0 5 m from the machine Plastic lens 71 dB Glass lens 71 dB Polycarbonate lens 71 dB Trivex lens 72 dB TM MHI lens 71 dB ...

Page 151: ...GENERAL INFORMATION ...

Page 152: ... interference from external sources notably that liable to cause malfunctions In accordance with the requirements of FCC rules any modification made to this equipment which is not expressly approved by ESSILOR INTERNATIONAL would nullify the user s right to use this device This equipment has been tested and is deemed compliant with the limits imposed for Class B digital devices according to Part 1...

Page 153: ...connect your system from the electricity supply The equipment must be connected to an electricity supply with earth connection The earth connection must comply with public standards and be checked by a technician Avoid extending leads or adapters which do not guarantee a reliable connection Never pull the cables to disconnect them from the power socket Before connecting your machine to the electri...

Page 154: ...USER MANUAL GENERAL INFORMATION 154 Delta 2 Edging system v2 08 16 ...

Page 155: ...GLOSSARY ...

Page 156: ... one which corrects near vision defects They are available in two models separation line present on the front surface of the lens separation line present on the rear surface of the lens Example of lenses of this type Telex lensesTM ID The ID identifier of job is composed of alphanumerics in the list of jobs and of numbers in the list of the collections It is unique JOB All the actions to be carrie...

Page 157: ... 5 to 1 6 Tribrid lens 1 6 Glass lens 1 5 to 1 9 SINGLE VISION LENS Type of single vision lens correcting amétropies The power of the lens is the same over all its surface SYMMETRIC BINOCULAR TRACING The shape of the right circle of frame is applied symmetrically to the left circle the traced perimeters are preserved TRIFOCAUX BIFOCAL LENSES Type of lens with distinct correction areas the upper pa...

Page 158: ...Essilor Instruments USA 8600 W Catalpa Avenue Suite 703 Chicago IL 60656 Phone 855 393 4647 Email info essilorinstrumentsusa com www essilorinstrumentsusa com ...

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