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Thread: Duct crimping drill attachment - GIF

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    Jon
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    Duct crimping drill attachment - GIF

    Duct crimping drill attachment.




    Previously:

    Battery-powered hydraulic crimping tool - GIF
    Bucket lid crimping tool - GIF
    Toothpaste tube crimping machine - GIF

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    Andyt (01-25-2020), baja (01-25-2020), greyhoundollie (01-29-2020), ranald (01-25-2020), Scotsman Hosie (01-25-2020), thehomeengineer (01-25-2020), Tule (01-26-2020)

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    That tool is a winner for some one who does that for a living. That is 10 times faster than a pair of Malco crimpers. The hand crimpers have their place for the casual user, but this is what a tinner needs on the job. Excellent!

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    Supporting Member rgsparber's Avatar
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    rgsparber's Tools
    What’s inside?

    Rick
    Rick

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    jdurand's Tools
    I would guess two gears.

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    Scotsman Hosie's Tools
    Quote Originally Posted by jdurand View Post
    I would guess two gears.
    That, or possibly a pair of dies, driven by a rotary cam (?)

  7. #6
    Supporting Member rgsparber's Avatar
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    rgsparber's Tools
    Cams make sense. The gears must back away to allow the metal to enter
    Rick

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    DIYSwede's Tools
    Seems to have no eccentrics, a mere 2 gears (with tapered ends?) and loose fit is rugged and "field expedient" enough,
    as the manufacturer's own instruction tells you to enter/ exit at an angle:

    Duct crimping drill attachment - GIF-malco-howto.jpg

    2 cents
    Johan

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    Supporting Member rgsparber's Avatar
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    rgsparber's Tools
    Quote Originally Posted by DIYSwede View Post
    Seems to have no eccentrics, a mere 2 gears (with tapered ends?) and loose fit is rugged and "field expedient" enough,
    as the manufacturer's own instruction tells you to enter/ exit at an angle:

    Click image for larger version. 

Name:	Malco HowTo.jpg 
Views:	109 
Size:	74.6 KB 
ID:	33261

    2 cents
    Johan
    Ah, now I understand. The key is that you enter and exit at an angle. I didn't see that part of the process in the video.
    Rick

  10. #9
    Jon
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    rgsparber (01-25-2020), Scotsman Hosie (01-26-2020), trevor_60_r (01-29-2020)

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    ranald's Tools
    Quote Originally Posted by rgsparber View Post
    What’s inside?

    Rick
    a secret potential patent.

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