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  • Bending metal part

    From Matt@21:1/5 to All on Wed Oct 26 14:15:03 2022
    I am currently baffled on how to bend or even make this part. Has anyone any ideas?
    https://www.polytechforum.com/img/tcx

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    For full context, visit https://www.polytechforum.com/metalworking/bending-metal-part-1557394-.htm

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  • From Bob La Londe@21:1/5 to Matt on Wed Oct 26 09:12:03 2022
    On Wednesday, October 26, 2022 at 7:15:06 AM UTC-7, Matt wrote:
    I am currently baffled on how to bend or even make this part. Has anyone any ideas?
    https://www.polytechforum.com/img/tcx

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    For full context, visit https://www.polytechforum.com/metalworking/bending-metal-part-1557394-.htm
    Ron covell on YouTube has some great videos on metalforming. He probably has some of the best approaches you could try for one-off shaping. His methods also show how to make forms and jigs for small production runs. There is another guy on YouTube who
    seems to do mostly automotive related work that has some great tips on forming sheet metal as well, but I can't remember the name of his channel. If I think of it later I'll post it.

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  • From Bob La Londe@21:1/5 to Matt on Thu Oct 27 14:41:17 2022
    On 10/26/2022 7:15 AM, Matt wrote:
    I am currently baffled on how to bend or even make this part. Has anyone
    any ideas?
    https://www.polytechforum.com/img/tcx


    Make it Kustom is the other channel I was thinking of.

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  • From Jim Wilkins@21:1/5 to Matt on Thu Oct 27 18:45:49 2022
    "Bob La Londe" wrote in message news:tjettu$1sht$1@gioia.aioe.org...

    On 10/26/2022 7:15 AM, Matt wrote:
    I am currently baffled on how to bend or even make this part. Has anyone
    any ideas?
    https://www.polytechforum.com/img/tcx


    Make it Kustom is the other channel I was thinking of.

    ----------------------

    Matching the form looks like it would require a very expensive die set, or simpler linear bending plus skilled welding to attach the ends. Matching the function might be simpler if you can square the ends, then it's a job for a press or finger brake.

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  • From Bob La Londe@21:1/5 to Jim Wilkins on Sat Oct 29 14:31:55 2022
    On 10/27/2022 3:45 PM, Jim Wilkins wrote:
    "Bob La Londe"  wrote in message news:tjettu$1sht$1@gioia.aioe.org...

    On 10/26/2022 7:15 AM, Matt wrote:
    I am currently baffled on how to bend or even make this part. Has
    anyone any ideas?
    https://www.polytechforum.com/img/tcx


    Make it Kustom is the other channel I was thinking of.

    ----------------------

    Matching the form looks like it would require a very expensive die set,
    or simpler linear bending plus skilled welding to attach the ends.
    Matching the function might be simpler if you can square the ends, then
    it's a job for a press or finger brake.




    I didn't really study the OPs image much, but Ron makes some pretty
    decent shapes using MDF and other easy to work with material for forms.
    Make It Custom often makes some free hand forms from steel.

    A long long time ago when I was relatively new to this group I needed a mounting plate to recess a photo electric emitter and sensor in a
    walkway to reduce wear on the lens surfaces from casual traffic. Upon
    some guidance from this group I made a punch and die free hand from A36
    with a drill, jigsaw, bench grinder, and Dremel(*) tool. I would set
    the die inside of an aluminum electrical cover plate, and press the
    punch down with my hydraulic press aligning the parts by eye. This
    created a nicely centered rectangular recess in the plate. I then
    drilled a hole to snap in the emitter or sensor. It last for many years working as pass through counters in a fairly busy port of entry. My
    biggest issue was protecting the electronics. Not the lenses. People
    (mostly their clothing) did brush the plates, but the wear on the lens
    did not degrade them enough to be an issue. If I had left them proud on
    a flat plate I am 100% certain it would have been an issue. Anyway, my admittedly simpler punch and die were hand made with materials I had
    laying around.

    Any of the methods suggested may work for a one off part.

    (*) That was before I learned that as machine tools go Dremel tools are
    pretty terrible compared to even a cheap proper rotary hand-piece
    flex-shaft tool.

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