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Teknatool nova PRO-TEK SUPERNOVA2 Operation Manual

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PRO-TEK SUPERNOVA2 CHUCK
Date: 21 September 2020
Models:
23262 – Insert Thread (Insert Required)
23261 – M33 ASR Eurolock
1

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Summary of Contents for Teknatool nova PRO-TEK SUPERNOVA2

  • Page 1 PRO-TEK SUPERNOVA2 CHUCK Date: 21 September 2020 Models: 23262 – Insert Thread (Insert Required) 23261 – M33 ASR Eurolock...

  • Page 2: Contact Us

    Contact Us Teknatool International Ltd Phone: (+64) 9 477 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...

  • Page 3: Table Of Contents

    Disassembling the PRO-TEK SUPERNOVA chuck ....................... 35 Parts to clean and inspect on the disassembled chuck ....................37 Reassembly of the SUPERNOVA Pro-Tek chuck ......................37 Go to Teknatool.com to learn more about our full assortment of accessories .............. 41...

  • Page 4: Welcome

    Chuck, SUPERNOVA Chucks, and similar woodturning chucks (wide jaw movement, quick two-way grip) with the advantages of the latest technology and inNOVAtion from Teknatool. As a valued customer, we would be pleased to hear from you and how you found your PRO-TEK SUPERNOVA Chuck.
  • Page 5 • Red backing plate. Hard wearing, heavy duty composite indexing backing plate. • Pinions with Right-Hand Rotation Arrow. • T Bar Ball Nose Scroll key with easy grip plastic handle can be used at varying angles and maintain positive scroll pinion engagement. •...

  • Page 6: General Health And Safety Guidance

    General Health and Safety Guidance ATTENTION: Please carefully read and understand the instructions in this manual Chuck. before assembly, installation and use of your PRO-TEK SUPERNOVA Keep these instructions in a safe place for future reference. WARNING: This chuck can contribute to serious injury (as with any other power tool accessory) if this manual guidance is not followed or if it is used improperly on the lathe.
  • Page 7 unless workpiece is firmly clamped. WARNING LATHE SPEED: Excessive speed is a serious lathe hazard. Always turn at the slowest speed possible. Speed will vary with wood blank size. The larger the blank the slower the speed. Consult your lathe manual or lathe information plate for speed guidelines.
  • Page 8 WEAR SUITABLE CLOTHING. Do not wear any loose clothing, neck ties, gloves, bracelets, rings, or other jewelry that could get caught in moving parts. Wear protective hair covering to contain long hair. DRUGS, ALCOHOL, MEDICATION. Do not operate chuck or lathe while under the influence of drugs, alcohol, or any medication.

  • Page 9: Pro-Tek Supernova

    PRO-TEK SUPERNOVA Chuck – Types There are two models to the PRO-TEK SUPERNOVA chuck to meet various wood turning requirements. Please check the contents of your box to ensure you have the model intended to purchase. Note: Inserts, accessories, jaw sets etc. are fully interchangeable between the NOVA G3, SUPERNOVA, SUPERNOVA , Titan III, PRO-TEK G3 and PRO-TEK SUPERNOVA2 Chucks.

  • Page 10: Nova Chuck Inserts

    NOVA Chuck Inserts Below is the list showing the full range of NOVA chuck inserts that are currently available, for additional information on NOVA inserts please see our website Thread/ Thread Code Description Bore Thread Direction Standard Note Pitch diameter I3NS INSERT 3 Electra Beckum...

  • Page 11: Pro-Tek Supernova 2 Chuck Parts View

    PRO-TEK SUPERNOVA Chuck Parts View...
  • Page 12 REF# QTY. PART# DESCRIPTION 1319011 Chuck Body M33 ASR Eurolock 23049 Chuck Body Insert Thread 23109 Scroll Ring Right Hand 23048 Composite Backing Plate EC48 Circlip 23103 Jaw Slide #1 for ASR Eurolock 23051 Jaw Slide #1 23052 Jaw Slide #2 23053 Jaw Slide #3 23054...

  • Page 13: Operation Of The Chuck

    Operation of the chuck Main functionality of the chuck is to grab and secure the workpiece by expanding or contracting its jaw slides. The jaw slides of the chuck can be operated by using the provided t-handle. The image below illustrates how the chuck can be operated: Open Close Mounting the jaws onto the chuck...

  • Page 14: Removing Jaws From The Chuck

    numbering should be 1,2,3,4 in a clockwise direction. Note: The jaw segments should slightly rattle by hand at this point. 3. Tightly close the jaw slides until all side surfaces of the jaw segments meet one another and no lights can be seen between the jaw segments 4.

  • Page 15: Mounting The Chuck Onto A Lathe

    Mounting the chuck onto a lathe There are two configurations available for the PRO-TEK SUPERNOVA Chuck: • Insert model-Requires an insert adapter for chuck to be mounted on the lathe. See full list in this manual of the NOVA (lathe spindle thread) insert adaptors available.
  • Page 16 NOVA Chuck Spanner 4. Place 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.

  • Page 17: Mounting The Chuck Using The Asr Eurolock Locking Ring

    Mounting the chuck using the ASR Eurolock locking ring The M33 version NOVA lathes and chucks have a special locking coupler to prevent the chucks from coming loose and detaching from the lathe spindle. The ASR Eurolock locking ring is exclusive to the M33 version lathes and chucks. Note: The locking ring is not compatible with lathes and chucks that are not the M33 ASR Eurolock model.

  • Page 18: Screw Chuck - Safe Lock Woodworm Screw

    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.

  • Page 19: To Use The Safe Lock Woodworm Screw On A Workpiece

    To use the Safe Lock Woodworm screw on a workpiece 1. Ensure the workpiece surface facing the jaw segments that is flat as possible. 8mm diameter Hole. 19mm deep 2. Drill an 8mm(.31”) diameter hole at approximately 19mm(0.74”) deep into the work piece 3.

  • Page 20: Forming A Mortis/Recess Or Tenon/Spigot

    Forming a Mortis/Recess or Tenon/Spigot There are two main types of technique used to hold a workpiece onto the chuck: Tenon (Spigot) and Mortis (Recess). In either case, to form a dovetail in the mortis/recess or on a tenon/spigot, the workpiece must be securely mounted on the lathe with a woodworm screw (Or equivalent such as a faceplate or between centres).

  • Page 21: Forming A Mortis/Recess

    Forming a Mortis/Recess A mortis/recess is a hollowed-out portion with which the jaws sit in. A tapered side wall with angles of approximately between 75~80degrees (one side) is recommended for better gripping strength and safety. A dovetail profiled mortis/recess to match the NOVA jaws can be easily created by using the NOVA dovetail chisel however a dovetail can be formed with any other appropriate type of chisels.

  • Page 22: Recommended Diameter Of The Recess

    Keep the leading edge of the chisel flat onto the workpiece (i.e. Bottom surface of the mortis/recess). Move the chisel forward and out to form the recess to the required diameter and depth. Note: FOR SAFETY REASONS NOVA STRONGLY ADVISE AGAIST USING ANY OTHER TOOL APART FROM THE NOVA DOVETAIL CHISEL AND SKEW SCRAPER CHISEL.
  • Page 23 The mortis/recess depth should always be slightly shorter than the height of the mounted jaws. The 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.

  • Page 24: Forming A Tenon/Spigot

    The maximum speed allowed for a mortis/recess varies with the type of intended operation. This would mostly be based upon the user experience of the user, size of material being turned, quality of the material being turned and how balanced the piece is.

  • Page 25: Recommended Diameter For The Tenon/Spigot

    Safety Warning: Thoroughly inspect the wood for splits or weaknesses, especially around the tenon/spigot area, before mounting the workpiece onto the chuck. The spigot will be the only area of contact when doing free end turning. Never proceed on turning the wood if any weaknesses are found on the wood.

  • Page 26: Troubleshooting

    Troubleshooting Below shows a table listing all the possible issues with the PRO-TEK SUPERNOVA chuck: Fault Solution 1. Check insert thread and chuck body thread are free from damage. Insert jams when partially 2. Check insert has engaged with chuck body thread threaded into body correctly.
  • Page 27 If the jaws are still running out of true, use a dial gauge to measure the radial and axial runout of the jaws when it is mounted on the chuck properly. The runout should be measured between the ranges of the following: 1.

  • Page 28: Chuck Runout Inspection Procedure

    This is a common problem with fixtures on a lathe. To help prevent it try a plastic or fiber washer between insert/chuck and spigot shoulder of spindle. Greasing of Chuck jams on lathe insert face and spindle can also help. spindle Note Use of plastic spindle washers could affect accuracy.

  • Page 29: Inspection Procedure

    Dial Test Indicator Inspection procedure Lathe Spindle Inspection Inspect the lathe spindle itself first before inspecting the chuck runout. The runout of the chuck could be caused a misaligned spindle. Note: The tolerances specified below is only applicable to NOVA lathes. Lathes from other manufacturers may have different tolerance standards therefore it is the best to contact the lathe manufacturer to confirm the spindle tolerances.
  • Page 30 Measure the axial runout of the spindle itself by: Locate the DTI on the front face of the spindle as shown on the image. Spin the lathe by hand. runout measurement should be ranging between: -0.02mm ~ +0.02mm (-0.00079 ~ +0.00079in) Any reading exceeding this value will be exceeding the standard tolerances.
  • Page 31 Test Method Image Number Measure the radial runout of the attached faceplate by: Locate the DTI perpendicular to the spindle rotation axis as shown in the image. Spin lathe by hand. The runout measurement should be ranging between: -0.15mm ~ +0.15mm (±0.006in) Any reading exceeding this value will be exceeding the standard tolerances.
  • Page 32 Jaw Inspection *This process will be identical for any NOVA chucks and jaws* The most common cause for a jaw to run out of true is when the jaws are not mounted correctly. Before the runout inspection, make sure the jaws are properly mounted on the chucks by following the instructions of how to properly mount the jaws onto the chuck shown in this manual.

  • Page 33: Pro Tek Supernova 2 Chuck Maintenance

    Tighten the jaw segments while clamping on the cylindrical bar. PRO TEK SUPERNOVA Chuck Maintenance This section introduces the procedures on how to assemble and disassemble the PRO- TEK SUPERNOVA chuck for maintenance. Regular maintenance is essential to ensure maximum performance for any mechanical devices including the PRO-TEK SUPERNOVA chuck.

  • Page 34: Removing The Chuck From The Lathe

    Removing the chuck from the lathe Note for insert type chucks: After a long time, the chuck inserts tend to become stuck/ seized onto the chuck body. It is recommended to remove the chuck body from the insert while the chuck is mounted onto the lathe spindle.

  • Page 35: Disassembling The Pro-Tek Supernova 2 Chuck

    Turn the chuck insert Counter- clockwise with the 1 ½” spanner to remove the chuck insert from the spindle. Disassembling the PRO-TEK SUPERNOVA 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.
  • Page 36 Remove the circlip that is holding the back plate onto the chuck body using a pair of external circlip pliers. Using 2 flat head screw drivers, pry out the back plate of the chuck. The pinion gears should be able to be pushed out from the inside.

  • Page 37: Parts To Clean And Inspect On The Disassembled Chuck

    Slide out all of the jaw slides by hand complete disassembly process. Parts to clean and inspect on the disassembled chuck Following list indicates the area of parts where cleaning and inspection is required when the chuck operation becomes difficult: •...
  • Page 38 process on a relatively clean environment to prevent contamination of the grease which shortens the grease life. Insert the jaw slides back into the jaw slideways of the chuck body. Ensure the jaw slides are inserted in a Counter- Clockwise order.
  • Page 39 Slide scroll ring into the chuck body as shown in the image. Carefully turn the scroll 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.
  • Page 40 Fit/ back plate into the chuck body while holding both the pinion gears in place Secure the backplate in place by reinstalling the circlip. Check the chuck operation smoothness to finish the assembly process.

  • Page 41: Go To Teknatool.com To Learn More About Our Full Assortment Of Accessories

    1. The warranty period has not elapsed. Proof of purchase date (sales slip etc) would need to be forwarded to Teknatool International Ltd.

This manual is also suitable for:

Nova 23262Nova 23261Pro-tek supernova22326223261

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