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Thread: Aluminium soft jaws for the four-jaw chuck

  1. #1
    thehomeengineer's Avatar
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    Aluminium soft jaws for the four-jaw chuck

    Hi All
    I made some soft jaws today out of some aluminium sheet. The photos below show the method I used. What I hate about setting a four-jaw chuck is the damage the hard jaws can do to the component. Also when using packing between the job and jaws this tends to fall out when adjusting the job to run concentric.
    These soft jaws only took ten minutes to make (please no comments like “it looks like it” lol) It took me longer to find the material than to make them and to write this post.
    As you can see these are retained around the jaws so no more frustrating time looking for packing in the bottom of the swarf tray.

    Setting the four-jaw chuck up to use as a press tool the piece of stock is there purely to flatten the bottom of the soft jaw
    Aluminium soft jaws for the four-jaw chuck-img_0611.jpg
    Gang cutting all four pieces of aluminium, the slit will form the locking tabs
    Aluminium soft jaws for the four-jaw chuck-img_0619.jpg
    Setting the aluminium central to the jaw to ensure they bend evenly
    Aluminium soft jaws for the four-jaw chuck-img_0612.jpg
    Pressing the sheet with the chuck jaw down tightly on to the stock
    Aluminium soft jaws for the four-jaw chuck-img_0613.jpg

    Aluminium soft jaws for the four-jaw chuck-img_0614.jpg
    Knocking the sheet to fit tightly to the Jaws.
    Aluminium soft jaws for the four-jaw chuck-img_0616.jpg
    Bending the locking tabs down
    Aluminium soft jaws for the four-jaw chuck-img_0617.jpg

    Aluminium soft jaws for the four-jaw chuck-img_0621.jpg
    Finished soft jaws.
    Aluminium soft jaws for the four-jaw chuck-img_0622.jpgAluminium soft jaws for the four-jaw chuck-img_0623.jpg

    Hope this will make your life easier when you don’t want horrible jaw marks all over your work piece
    The Home Engineer

  2. The Following 17 Users Say Thank You to thehomeengineer For This Useful Post:

    aphilipmarcou (02-01-2018), benkeller3 (01-31-2018), Bobinwa (06-17-2018), Captainleeward (01-29-2018), celsoari (02-17-2018), jjr2001 (01-29-2018), Jon (01-29-2018), LMMasterMariner (01-29-2018), Moby Duck (01-29-2018), mudnducs (01-29-2018), NortonDommi (06-01-2018), Paul Jones (01-28-2018), PJs (01-30-2018), rossbotics (01-30-2018), Seedtick (01-29-2018), Toolmaker51 (06-01-2018), Tule (02-18-2018)

  3. #2
    Paul Jones's Avatar
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    Thank you for the posting thehomeengineer,

    I like your series of photos. easy to understand to method.

    I agree that using any "soft" jaw coverings made from aluminum, copper or yet another soft metal material in three, four or six jaw is a great way to protect your work and very important for secondary and beyond operations when preserving surface finish is a important.

    Your method of bending-over the "upper tabs" to hold the jaw covers in place makes using these covers so much easier than just using just flattened copper tubing for jaw covering protections.

    Regards,

    Paul

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    thehomeengineer (01-29-2018)

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    LMMasterMariner's Avatar
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    Excellent idea. Thanks for sharing. It's on my 'to do list' now.

    Best regards
    LMMasterMariner

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    thehomeengineer (03-23-2018)

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    Oh I really like that one. Great photo layout. I have been needing to make some for a while
    and will get to it soon. Great method.

    Cheers, JR

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    Captainleeward (01-29-2018), Paul Jones (01-29-2018), thehomeengineer (03-23-2018)

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    Captainleeward's Avatar
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    I like I like must have some... :O)

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    thehomeengineer (03-23-2018)

  11. #6
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    Thanks thehomeengineer! We've added your Chuck Soft Jaws to our Workholding category,
    as well as to your builder page: thehomeengineer's Homemade Tools. Your receipt:




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    asif96420 (02-15-2018)

  13. #7
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    Wow, so simple but so good, gotahavesome.

    Thanks for posting.

    Ralph


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