Looking for help designing a double mitering fixture for thin wall 4130

adam eldridge · Sep 1, 2015

Hello.

We're attempting to increase production volume. Currently we run a single miter system (one miter at a time) on a bridgeport.

Ideally we'd like to design a fixture to plunge two hole saws at different angles through the front and rear of the tube at the same time.

Please if you have any knowledge of where to start send me a note. I really appreciate it.

Adam

bcstractor · Sep 1, 2015

I think I remember that Trek, the bicycle folks, had something like an optical table with a bunch of holes and then used two of the powered spindles that you can get. They are a motor and gearbox that are square/rectangular and can be bolted down or put on powered slides.
Block Style including AirShield - Setco

Onepass · Sep 2, 2015

I'm not sure I'm getting the correct picture of what you are talking about. How long is the tube? ( like a foot long 3" diameter with opposing 45 degree miters? ) if it was something like that, could you get one of the old bridgeport tracer mills with two heads mounted on a flat faced ram with T slots to adjust the heads side to side, and mount a fixture to hold your tube on the table?

extropic · Sep 2, 2015

The OP isn't clear. Need more detail about what you're doing now. Describe the material (dimensions) and the current work procedure.

Econdron · Sep 2, 2015

How do you miter a tube with a hole saw?

lionelt · Sep 2, 2015

Econdron said:
How do you miter a tube with a hole saw?

Tube Notcher, TN-250, Hole Saw Pipe Notcher | Baileigh Industrial

http://image.rodandcustommagazine.c...be_bending+speedway_motors_tubing_notcher.jpg

vanguard machine · Sep 2, 2015

i think the point Econdron was trying to make is that's a cope not a mitre

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Looking for help designing a double mitering fixture for thin wall 4130

adam eldridge

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bcstractor

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Onepass

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extropic

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Econdron

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lionelt

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vanguard machine

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