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Thread: Inertia Forming on a Lathe

  1. #1
    rgsparber's Avatar
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    Inertia Forming on a Lathe

    This video shows how to use friction to form a disk on the end of a rod.Inertia Forming on a Lathe-close-up.jpg



    Rick

  2. The Following 22 Users Say Thank You to rgsparber For This Useful Post:

    Altair (01-18-2015), aphilipmarcou (03-22-2018), big o (12-19-2017), CedarSlayer (01-14-2015), Christophe Mineau (01-14-2015), Corm (07-19-2018), high-side (02-20-2019), janders1957 (03-22-2018), kbalch (01-13-2015), lavern s (07-18-2018), mwmkravchenko (03-23-2018), Okapi (07-19-2018), oldcaptainrusty (10-12-2017), Paul Jones (01-13-2015), rlm98253 (03-21-2018), Scotsman Hosie (03-22-2018), Shanty (07-18-2018), thehomeengineer (01-15-2018), Tonyg (02-21-2019), Trojan Horse (10-12-2017), UncleBob (11-02-2018), volodar (02-21-2019)

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    Thanks Rick!

    Was the inertia welding technique you were seeking related to friction stir welding?

    I've added your Inertia Forming Method to our Lathes category, as well as to your builder page: Rick Sparber's Homemade Tools. Your receipt:


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    big o (12-19-2017), DietmarG (02-20-2019)

  5. #3
    Content Editor DIYer's Avatar
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    Great post as usual, Rick! I hope you don't tire of sharing/educating us.

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    Christophe Mineau's Avatar
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    I love this trick Rick, thanks, will certainly find use for that, although my lathe cannot go as fast as yours ... maybe a little help with a torch ?
    Cheers !
    Christophe
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    Paul Jones's Avatar
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    Rick,
    You are right about adding this to our bag of tricks and finding a future use. We may need to use Christophe's suggestion of assisting with a touch.
    Thanks, Paul

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    Content Editor Altair's Avatar
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    Pretty neat trick. Thanks for sharing Rick.

    Al

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    I've already used this trick to make blind threaded inserts. Article is out but have not submitted it to Homemadetools yet.

  10. #8
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    Quote Originally Posted by rgsparber View Post
    This video shows how to use friction to form a disk on the end of a rod.Click image for larger version. 

Name:	close up.jpg 
Views:	390 
Size:	88.1 KB 
ID:	2754



    Rick
    Hi Rick - not sure whether Jon has experienced this but in my up to date Firefox, this is second time an embedded YT video didn't show. Fortunately the URL showed in this reply so went direct to watch. I'd have expected a YT video to have ''embed'' within the URL usually, or be in an iframe.

    Nice idea with the forming method - certainly more regular finish than ordinary peening.

    Chris
    ===

    Edit - to add - now the video shows here! Maybe because I have visited it on YT.
    Ain't technology great - until it goes wrong!
    The Old Man's Shop

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    Good job. Neat video short and to the point. Very useful information. Thanks for your time and efforts sir.

  12. #10
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    Nice work and it shows another capability to be had from a lathe. Thanks for the good idea.

    A word of caution. Touching the workpiece before the lathe stops turning can lead to some interesting cuts and wearing a ring is a real bad idea in a machine shop.

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