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My latest pneumatic injection machine

This topic contains 6 replies, has 3 voices, and was last updated by  Mark Riem 2 months ago.

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Mark Riem markriem

My latest pneumatic injection machine

28/05/2020 at 17:39

I’ve been working towards a more powerful injection machine for a while. This is my latest attempt.

https://youtu.be/vPU5tDI7kGQ

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warrior
29/05/2020 at 20:57
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Looks great, what force does the cylinder produce?

starter
29/05/2020 at 22:12
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The cylinder has a 5 inch bore and my air compressor is capable of about 140 psi so……..
radius * radius * pi * 140 = force
about 2,750 pounds maximum.

warrior
29/05/2020 at 23:05
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Nice, thanks

helper
15/08/2020 at 02:47
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We want to upgrade our injector to have pneumatics.  Do you have the details on the pneumatic cylinder you used? How large of a volume tank do you need on your compressor for that cylinder? Any lessons learned that you can share with us before we start? Thanks!

starter
15/08/2020 at 17:57
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My current machine uses this 5″ bore cylinder:
https://www.baileyhydraulics.com/Chief-TC3-3000-PSI-Tie-Rod-Cylinders-5-x-16-2-Rod-Dia-

I’ve also built a machine using a 4″ bore cylinder:
https://www.baileyhydraulics.com/Maxim-TC-2500-PSI-Tie-Rod-Cylinders_64

I’ll upload an image of that machine.

The smaller cylinder should be adequate for most parts. Small, detailed parts made out of HDPE require a lot of pressure, that’s what I built the larger machine for.

My air compressor has a 30 gallon air tank.

starter
15/08/2020 at 17:59
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Machine with 4″ bore cylinder.

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