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Thread: Shrinker Stretcher

Oct 4, 2019, 11:34 PM #6

Charst

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Hi Folks! It's been a while...

Here are some pictures of my finished Shrinker/Stretcher. Works great. I optimized the working speed (cycles per minute) by implementing a quick pressure release valve on the pneumatic membrane cylinder. Depending on the work piece it can be up to 30/min now. I also figured that the forces required for shrinking are way higher than for stretching. With the current setting it easily shrinks 1,0mm mild steel and stretches up to 1,5mm. If I had to do one again, I'd use a larger membrane cylinder and a stronger material for the excenter (see 3D pic) which is 2x 12mm plates made of S235, bolted together.
Just ask if you have any questions...

Charst

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The Following 12 Users Say Thank You to Charst For This Useful Post:

arthurinatasha (Dec 21, 2022), baja (Oct 10, 2019), blkadder (Mar 16, 2024), clydeman (Oct 11, 2019), Duke_of_URL (Jun 29, 2022), jcorpx (Oct 10, 2019), Jon (Oct 4, 2019), KustomsbyKent (Oct 8, 2019), Lee Bell (Oct 11, 2019), mwmkravchenko (Oct 5, 2019), n9dug (Oct 9, 2019), Rangi (Oct 9, 2019)