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18

Screw chuck – Safe Lock Woodworm Screw

The Safe Lock woodworm screw (screw chuck) provides a convenient method for

holding a bowl blank to cut a recess or spigot to mount on an accessory jaw.

The accessory jaw segments must be properly mounted beforehand to use the

woodworm screw. The woodworm screw is to be mounted inside the centre hole of

the chuck as shown below:

Open the jaw slides and insert the

Safe Lock Woodworm screw in

the center hole of the chuck.

Position the Safe Lock

Woodworm screw as shown as

the image.

Note:

All 4 flat sides of the Safe

Lock Woodworm screw should be

in contact with the flat end of the

jaw slides.

Make sure this flat face of the

Safe Lock Woodworm screw

comes in contact with the flat

surface of the jaw slide

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Содержание nova PRO-TEK SUPERNOVA2

Страница 1: ...1 OPERATION MANUA L PRO TEK SUPERNOVA2 CHUCK Date 21 September 2020 Models 23262 Insert Thread Insert Required 23261 M33 ASR Eurolock ...

Страница 2: ... 5600 Teknatool USA Phone 727 954 3433 Customer Solutions For all worldwide Inquiries Repairs or Services issues must be in writing Email Service Teknatool com Or you can contact your retailer for the contact details please see our website www teknatool com ...

Страница 3: ...rew on a workpiece 19 Forming a Mortis Recess or Tenon Spigot 20 Safety Concerns when turning 20 Forming a Mortis Recess 21 If You do not own a NOVA Dovetail Chisel 21 Recommended Diameter of the recess 22 Forming a Tenon Spigot 24 Recommended diameter for the tenon spigot 25 Troubleshooting 26 Chuck runout inspection procedure 28 Equipment Required 28 Inspection procedure 29 PRO TEK SUPERNOVA2 Ch...

Страница 4: ...ERNOVA2 Chuck Premium rust resistant nickel plated body for longer protection and less maintenance Stronger and more versatile 50mm 2 PRO TEK Jaws with an improved dovetail AND serrated profile for maximum control The unique woodworking dovetail profile pulls the project into the chuck and holds round and square blanks more firmly Upgraded 6 point star fasteners exerting more torque with ease offe...

Страница 5: ... can instantly swap from the expansion mode to the contracting mode with no adjustments or extra fittings being necessary Any mortis recess or tenon spigot size can be selected between the minimum and maximum range of the jaws The jaw slides accessory jaws removed can be used to grip small tenons spigots ACCURACY The PRO TEK SUPERNOVA2 Chucks are sample tested from each batch and are made to run w...

Страница 6: ...uate work holding or approved chisel cutting techniques Follow closely strict guidelines in this manual for different jaw types on wood blank diameters and length plus strictly follow recommended lathe speeds Safe Operation Eye Protection Woodturning operations can result in objects being thrown into your eyes which can result in severe eye damage Protective eye wear must always be used Everyday s...

Страница 7: ...pes In the expansion mode do not use undue force or jaws may split the wood As above Do not exceed maximum guidelines in this manual for wood blank diameters length set out in this manual for different modes and jaw types Check wood is securely held in chuck before operation Check grip by vigorously wrenching wood blank back and forth If any loosening occurs re examine holding area for adequate gr...

Страница 8: ...ir DRUGS ALCOHOL MEDICATION Do not operate chuck or lathe while under the influence of drugs alcohol or any medication KEEP CHILDREN AND VISITORS AWAY All children and visitors should be kept safe distance from the work area Make workshop childproof with padlocks master switches or by removing starter keys or have machines fitted with a Striatech drive system using the password lock feature ...

Страница 9: ... jaws that are exclusive to the NOVA Titan chuck INSERT THREAD MODEL SKU 23262 Standard Accessory Kit 1x Nickel Plated Chuck body 1x Tilt away T Handle 1x PRO TEK 50mm Serrated Jaw Set 1x M6 Grub screw 2x Fiber washers 1x Hex Key 8x M6x10 Star Jaw screws 1x Star T handle 1x Safe Lock Woodworm Screw 1x Workshop cloth 1x Quick Start Manual DIRECT THREAD MODEL SKU 23261 Standard Accessory Kit 1x Nick...

Страница 10: ...yford ML8 IHNS INSERT H 3 4 10 TPI RH BSW Rockwell IINS INSERT I M24 3 RH B Line IKNS INSERT K M18 2 5 RH ELU DB 180 ILNS INSERT L 1 1 4 8 TPI RH UNS NOVA Galaxi Saturn DVR 3000 NOVA XP NOVA 1624 II NOVA 1624 NOVA Orion and NOVA Nebula INNS INSERT N Blank Insert Can be threaded up to 28mm or 1 7 64 IQNS INSERT Q M30 3 5 RH NOVA TL1500 3000 Comet IRNS INSERT R 1 8TPI RH Jet 1221 lathe 6mm off set l...

Страница 11: ...11 PRO TEK SUPERNOVA2 Chuck Parts View ...

Страница 12: ...3 Jaw Slide 1 for ASR Eurolock 23051 Jaw Slide 1 6 1 23052 Jaw Slide 2 7 1 23053 Jaw Slide 3 8 1 23054 Jaw Slide 4 9 1 10044 PRO TEK 50mm 2 Jaws 10 8 CM5010182 M6X10 Star head Screw C Sunk 11 1 13049 Star Head Screw T Handle 12 1 10006 Safe Lock Woodworm Screw 13 2 23110 Pinion Right Hand 14 1 AK3 Hex Key 3mm 15 1 G0606 M6X6 Grub screw 16 2 NS1000 Fibre Washer 17 1 13006 Tilt away T handle ...

Страница 13: ...ro Tek 50mm jaws 6075 The jaws must be securely fastened for the chuck to serve its function correctly Mounting procedure of the jaw applies to all NOVA accessory jaws Please follow the steps below when mounting the jaws onto the chuck 1 Ensure there are no dusts or debris on the bottom surface of the jaw and top surface of the jaw slides 2 Each jaw segment has a number indented on the jaw edge to...

Страница 14: ...e jaw segment mounting screws by using NOVA Star Head T bar handle supplied Removing jaws from the chuck Simply remove the jaw mounting screws by using the supplied NOVA Star head wrench to dismount the jaw segments from its jaw slides Tip There may be occasions where the jaw segment seizes on the jaw slide which poses difficulties when attempting to remove the jaw slides by hand Use a soft hammer...

Страница 15: ...llustrates an insert version chuck mounting procedure on the lathe however identical procedures will apply for the direct threaded version 1 If the chuck is an insert model ensure the insert is bottomed out on the chuck body before mounting on the lathe 2 For both Insert Direct Thread model Wind the chuck on the lathe spindle until the chuck comes firmly in contact with the bearing spindle shoulde...

Страница 16: ... the red thread protector washer into the M6 threaded hole indicated in the image Then wind the M6 grub screw in position and tighten with 3mm Hex head wrench provided which prevents the chuck from loosening from the lathe spindle ...

Страница 17: ... Note The locking ring is not compatible with lathes and chucks that are not the M33 ASR Eurolock model Below are the steps on how to attach the EU locking ring Step 1 Tighten the EU chuck to the spindle on the lathe make sure the rings on the spindle and chuck have been clamped Step 2 Put the lower part of locking ring under the clamped rings Step 3 Put upper part of the locking ring to the clamp...

Страница 18: ...rm screw The woodworm screw is to be mounted inside the centre hole of the chuck as shown below Open the jaw slides and insert the Safe Lock Woodworm screw in the center hole of the chuck Position the Safe Lock Woodworm screw as shown as the image Note All 4 flat sides of the Safe Lock Woodworm screw should be in contact with the flat end of the jaw slides Make sure this flat face of the Safe Lock...

Страница 19: ...d the workpiece onto the wood worm screw until the workpiece makes good contact with the mounted jaws on the chucks Caution Maximum capacity and speed of Safe Lock Woodworm screw DO NOT USE THE SCREW FOR VERY LARGE WOOD BLANKS The Safe Lock Woodworm screw is intended for small bowl and screw chucking work The maximum capacity which should be mounted on the screw 250mm 10 inches diameter x 100mm 4 ...

Страница 20: ... hold a workpiece onto the chuck Mortis Recess and Tenon Spigot In either case the forming of a proper dovetail will ensure that the jaws will perform to their maximum ability Note The procedures below show the general formation and uses of both the mortis recess and tenon spigot However it is up to the user s experience to determine the ideal size of the recess and spigot size based on the jaws t...

Страница 21: ...m a recess with the desired diameter onto the workpiece using any preferred tool 2 Push the NOVA dovetail chisel flat onto the bottom surface of the recess 3 Drag the dovetail chisel towards the side wall With the angled side facing towards the side wall as shown in the illustration to form the dovetail profile Note Refer to the NOVA dovetail chisel manual for a more detailed information of how to...

Страница 22: ... mortise recess diameter is dependent on the accessory jaw that is mounted on the chuck For the standard PRO TEK 50mm jaws that is included in the package The mortis recess diameter should be ranging anywhere in between 55mm 65mm 2 16 2 55 General rule to determine the suitable diameter and depth of the recess 1 Recess diameter should at least be 5mm 3 16 bigger than the outer diameter of the jaws...

Страница 23: ... dovetail profile on a recess is used to lock the workpiece on the chuck when the jaws are expanded to hold the workpiece This natural locking action provides significant level of gripping force The workpiece should never touch these parts of the jaws The workpiece should only touch these two surfaces ...

Страница 24: ...hnique Forming a Tenon Spigot A tenon spigot is a protruding cylinder formed for the accessory jaw segments to securely grip the workpiece The length of the spigot should be slightly shorter than the internal height of the jaws you are using It is recommended turn between centres for all pieces whenever possible Ensure the side surface of the tenon spigot has the proper dovetail profile If the spi...

Страница 25: ... rule to determine the suitable diameter and length of the tenon spigot 1 Tenon spigot diameter should be 6mm larger than the internal diameter of the jaws when completely contracted on the chuck 2 Tenon spigot diameter should be 6mm smaller than the internal diameter of the jaws when completely expanded on the chuck The length height of the spigot should be no longer than the length of the doveta...

Страница 26: ...chuck body If non insert version 3 Mechanical issues such as a Debris contamination b Inaccurately machined parts Follow the runout inspection procedure Using a dial gauge in the section below to determine the level of runout of your chuck Jaws do not run true Ensure the jaws are mounted on the chuck sequentially in a counterclockwise order The numbers engraved on the jaws should be matching the j...

Страница 27: ...ery stiff to operate or jammed Wood dusts will accumulate between parts over a period of use The wood dusts contaminate and degrade the performance of the internal grease lubricants causing them to become very stiff When the grease lubricant becomes degraded it must be replaced with new lubricants to restore its performance Disassemble clean all parts apply new grease lubricants on all necessary p...

Страница 28: ... pressure Irregular rough wood blanks need to be checked to see if there is enough jaw surface contact Wood blank does not seat properly in internal mortise mounting Check the angle of the dovetail made in the mortise is the same angle as the jaws Make sure the bottom of the recess is flat and square to face Check that the bowl is not incorrectly riding on the flat shoulder of at the base of the j...

Страница 29: ...om other manufacturers may have different tolerance standards therefore it is the best to contact the lathe manufacturer to confirm the spindle tolerances Test Number Method Image 1 Measure the radial runout of the spindle itself by Locate the DTI on the register part of the spindle as shown on the image Spin the lathe by hand The runout measurement should be ranging between 0 02mm 0 02mm 0 00079 ...

Страница 30: ...ified on the lathe spindle 2 Contact the local machining shop to chase the spindle thread Secondly mount the chuck correctly according to instructions on the manual 1 If the chuck is an insert model ensure the insert is bottomed out on the chuck body before mounting on the lathe 2 For Both Insert Direct Thread model Wind the chuck onto the lathe spindle until the chuck comes firmly in contact with...

Страница 31: ...etween 0 15mm 0 15mm 0 006in Any reading exceeding this value will be exceeding the standard tolerances 2 Measure the axial runout of the attached tool by Locate the DTI in the position shown in the image Spin lathe by hand The runout measurement should be ranging between 0 08mm 0 08mm 0 0031in Any reading exceeding this value will be exceeding the standard tolerances Another view of dial indicato...

Страница 32: ...o properly mount the jaws onto the chuck shown in this manual If the jaws are still running out of true then use an accurately machined straight cylindrical object such as a twist drill bit to mount the jaws accurately with the procedures shown below Step Description Image 1 Loosen the jaw mounting screws and remove the jaws from the chuck 2 Firmly clamp a machined straight cylindrical bar of appr...

Страница 33: ...sure maximum performance for any mechanical devices including the PRO TEK SUPERNOVA2 chuck Attempt to clean and lubricate the chuck components as the first step if the chuck feels has become stiff to operate Required tools 1 1 Spanner 2 Circlip pliers External 3 3mm Hex key 4 Flat head screw drivers x2 5 Plastic hammer or block of wood 6 Multi purpose grease Ideally a heavily viscous type 7 Long p...

Страница 34: ...grub screw which prevents the insert from unscrewing during operation Note For the insert version chuck there may be 2 One for the insert and lathe another for the insert and chuck body 2 Lock the lathe spindle from turning by engaging the index locking feature 3 For insert chucks Open the jaws and fit the long piece of timber between the jaws as shown in the image Securely hold the insert portion...

Страница 35: ...irclips as it poses a potential risk of flying upwards when it slips off from the circlip pliers Remove all accessory jaw segments prior to the disassembly process The disassembly process can begin with jaw slides being at any position Step No Image Description 1 Remove all the jaw segments from the chuck Note Refer to section Removing Jaws from the Chuck for instructions on how to remove the jaws...

Страница 36: ...at head screw drivers pry out the back plate of the chuck The pinion gears should be able to be pushed out from the inside 4 Tip the chuck upside down as shown in the image to remove the scroll ring Note Use the 3mm Hex key and push out the scroll ring through the jaw slide ways if the scroll ring is seized onto the chuck body ...

Страница 37: ...es difficult Jaw slideways Chuck body Jaw slides Scroll ring spiral teeth Gear teeth Scroll ring hex pinion Reassembly of the SUPERNOVA2 Pro Tek chuck Safety Note Remember to wear safety glasses when dealing with circlips as it poses a potential risk of flying upwards when it slips off from the circlip pliers Step No Image Description 1 Apply grease onto surfaces that contacts each other which is ...

Страница 38: ... grease life 2 Insert the jaw slides back into the jaw slideways of the chuck body Ensure the jaw slides are inserted in a Counter Clockwise order Note There is no dedicated slot assigned to each of the jaw slides 3 Position the jaw slides in the middle to form a small square at the centre of the chuck ...

Страница 39: ...ring until the scroll teeth engages with the jaw slides Note The scroll ring will fall into place when it engages with the jaw slide teeth If the scroll ring is not falling into place check to see if the jaw slides are all aligned properly in the centre 5 Insert the pinion gears into the chuck body ...

Страница 40: ...tap the back plate into the chuck body while holding both the pinion gears in place 7 Secure the backplate in place by reinstalling the circlip Check the chuck operation smoothness to finish the assembly process ...

Страница 41: ...air or modified in any wat that would affect its operation has not been subjected to misuse negligence accident or not used strictly in accordance with instructions provided 3 Where necessary transportation is prepaid by customer to Factory Service Center or authorized Teknatool Service Center Warranty does not cover any cost or damaged arising directly or inadvertently from the operation if this ...

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