BERGER MEGA POINT Operating Instructions Manual Download Page 1

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BERGER AG • Dept. Bohrerschleiftechnik
C.F.L. Lohnerstrasse 28E • CH-3645 Gwatt/Thun
T41 (0) 33 336 15 66 • T41 (0) 33 336 16 66
www.megapoint.ch • [email protected]

UNIVERSAL OPTICAL DRILL GRINDING MACHINE

O P E R AT I N G I N S T R U C T I O N S

Summary of Contents for MEGA POINT

Page 1: ...Bohrerschleiftechnik C F L Lohnerstrasse 28E CH 3645 Gwatt Thun Telefon 41 0 33 336 15 66 Telefax 41 0 33 336 16 66 www megapoint ch info megapoint ch UNIVERSAL OPTICAL DRILL GRINDING MACHINE OPERATIN...

Page 2: ...EGA POINT General information on MEGA POINT 2 Delivery transportation and installation Delivery 3 Standard with basic machine 3 Options 3 Checking the delivery 3 Transportation 3 Installing the machin...

Page 3: ...m dia MP 30 13 Aligning projection image 13 Switch on motor 14 Grinding drills 14 Indexing cycle 15 Feed 15 Checking 15 Shielding from bright outside light 16 Point splitting 17 Procedure 17 Changing...

Page 4: ...ng projection lamp 27 Changing the sapphire lens 27 Changing viewing screen 27 Replacing the fuses 28 Replacing the main fuse 28 Replacing fuse for projection lamp 28 Adjusting cutting edge geometry 2...

Page 5: ...arting work make sure you are familiar with all the devices and controls on the machine and their functions It will be too late during operation This symbol marks passages in the manual relating to sa...

Page 6: ...the secondary clearance angle and the point angle are freely adjustable In order to optimize the angles for machining different materials the required values are listed in tables on the last page In...

Page 7: ...5 mm and 6 20 mm 0 040 0 250 and 0 250 0 787 Flexible shaft Machine lamp Wrench set Operator s manual Spare parts list Setup templates Options 1 Swivel arm MP 30 1 Set of collets MP 30 5 pieces 1 Mac...

Page 8: ...ace requirements The minimum distances indicated in the drawing must be kept Location requirements MEGA POINT on stand option The stand must be placed on a level hard surface Make sure that the stand...

Page 9: ...installation Connect flexible shaft The flexible shaft drives the point splitting grinding wheel Connect end 1 to coupling flange on rear of machine Connect end 2 of flexible shaft to coupling piece...

Page 10: ...according to electrical diagram on page 38 The vacuum cleaner is now connected in such a way that it starts together with the grinding motor Delivery transportation and installation Machine lamp optio...

Page 11: ...cleaner 4 Protective hood hood and slide 5 Stop 6 Trueing Diamond 7 Grinding Wheel Motor 8 Index Pin 9 Sapphire lens 10 Swivel arm MP 20 or MP 30 11 Feed ring 12 Tension nut 13 Scale ring for point a...

Page 12: ...20 adjust secondary clearance angle scale B1 to 30 Tighten locknut 20 Primary Relief Angle Loosen locknut 21 Lift swivel arm 10 Set primary angle scale B with screw 21 to the value of 6 Tighten locknu...

Page 13: ...left hand drill To grind carbide drills use the same procedure as for standard drills However use a diamond grinding wheel See section on Mounting and aligning diamond and Borazon wheels on page 25 T...

Page 14: ...t Adjusting the angle In the appendix to this operator s manual you will find a table containing the various angles required for various materials Setting the point angle A Slacken clamping lever Turn...

Page 15: ...d collet dia Insert collet 3 into holder Insert pressure tube 2 Screw knurled handle 1 on Swivel arm MP 30 option and collets MP 30 20 0 30 0 mm dia Use 6x lens if necessary See section on Changing le...

Page 16: ...ing the following procedure Slide holder using spigot sleeve Lightly press drill against sapphire lens View cutting edge in viewing screen If the drill is not visible or only partly visible proceed as...

Page 17: ...2 as follows no play do not clamp drill allow drill to turn Turn drill until cutting edge is parallel to viewing screen lines Lightly press drill against sapphire lens Turn feed ring by 1 turn anticlo...

Page 18: ...can turn freely Switch on motor Switch on grinding wheel as follows Press motor switch 2 Grinding wheel starts to rotate Grinding drills Grip swivel arm Using swivel arm smoothly pass drill inward al...

Page 19: ...Latch swivel arm 1 in center position between grinding wheel and sapphire lens Turn feed ring 2 as follows 1 to 2 divisions clockwise After feeding regrind both cutting edges See section on Grinding...

Page 20: ...ical Drill Grinder Operator s Manual Issue 06 01 Rev 02 16 Shielding from bright outside light To optimize work in bright light conditions you can place a shield over the viewing screen cover Operatin...

Page 21: ...e drill center Carefully adjust grinding depth using screw A until the drill is lightly ground Move grinding spindle away from drill Separate Push clamping chuck forwards Rotate clamping chuck 180 2 l...

Page 22: ...mping lever for point angle Perform following movements simultaneously Move swivel arm up and to the right Move swivel arm left Adjust required angle using stop screws and clamping lever Move swivel a...

Page 23: ...drill away from the sapphire lens with the swivel arm raised Point splitting on left hand drills The point splitting grinding wheel is automatically switched on when the swivel arm is moved to the rig...

Page 24: ...primary cutting angle and secondary clearance angle Slacken clamping lever for point angle Perform the following movements simultaneously Move swivel arm up and to the left Move swivel arm to the rig...

Page 25: ...t three screws 1 and tighten slightly Check smooth movement as follows Abut spigot sleeve 3 against machine Turn spigot sleeve through 120 Release spigot sleeve Either the movement is smooth Tighten t...

Page 26: ...ondary clearance angle Swivel arm is blocked Adjust point splitting device as described in adjustment sheet in appendix Chuck drill Align cutting edges as follows Align cutting edge with single diagon...

Page 27: ...led nut at rear of motor shaft Slacken screw in centre of grinding wheel by 1 2 turn using Allen wrench Remove grinding wheel Mount new grinding wheel Mount dust cover as follows Insert dust cover int...

Page 28: ...this reason the machine must be cleaned weekly as described below Wipe off grinding dust Use cleaning naphtha or similar cleaning agent to clean the machine Remove screws 1 Remove bolts 2 When removi...

Page 29: ...ther image improves Or image becomes worse Dismount protective hood and sapphire lens Completely remove lens holder Either image improves Carefully push lens inward 0 2 0 5 mm Or image becomes worse C...

Page 30: ...adjusted as followed Zoom lens to 20 power Touch the drill against the sapphire and check screen When picture is focused remove protection and sapphire lens insert a 3mm pin in one of the holes and ti...

Page 31: ...move protective hood 1 Check whether screw 2 is tight Slacken pressure nut using special spanner 4 Do not smudge or smear inside of sapphire lens Replace sapphire lens see Figures for mounting positio...

Page 32: ...fuse holder 1 Remove old fuse Insert new fuse Screw fuse holder Reconnect power plug Replacing fuse for projection lamp Disconnect power plug Tilt machine on its rear Remove base plate Unscrew fuse ho...

Page 33: ...ns outside tolerances reproduce the factory adjustment See section on Reproducing the factory adjustment on page 30 Only perform work with machine at standstill Maintenance Adjusting cutting edge geom...

Page 34: ...k with machine at standstill Adjust grinding wheel as follows Grinding wheel is approx 1 5 mm in front of housing base plane B Slacken locknut 1 and screw back set screw 2 Wear protective goggles Swin...

Page 35: ...drill page 12 13 Image unfocused Lens wrong adjusted Focus lens Fucusing lens page 25 26 Motor not switched on Press motor switch Switch motor on page 14 Motor does nor turn Main switch not on Press m...

Page 36: ...oint angle 80 145 and flat bottom drills 180 80 130 for left handed drills Primary cutting angle 0 40 Weight ca 50 kg 100 lbs Overall dimensions ca 700 x 600 x 600 mm 27 x 23 x 23 Grinding wheel dia 1...

Page 37: ...olid carbide drills 8 See special setup sheet for IFANGER boring tools valid from machine No 00340 Drill setup values approx 4 facet drilltip with point thinning DIN 1412A A B1 B2 C D E G Rem 118 30 6...

Page 38: ...Universal Optical Drill Grinder Operator s Manual Issue 06 01 Rev 02 34 Wiring diagram...

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