Electronics > Mechanical & Automation Engineering

Precision cutting small diameter tubes

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qwaarjet:
Im looking for dust free way to cut 1/16 stainless tube without deformation of the tube. Conventional tube cutters tend to crush the tube or leave a highly tapered edge. Saws and grinders produce large amounts debris that travels up the tube, due to the small diameter conventional cleaning techniques are not very effective and i have high Foreign Object Debris concerns. Im looking for way to make square edge cut on the tube. I'm thinking chemical etching might work but would prefer mechanical solution. 

PartialDischarge:
Everyone uses tube cutters or saws for the low cost.
For fancy applications there is water cutters, laser cutters and electrical discharge machining

Dundarave:
Would inserting a solid, sacrificial material “backer” into the tube prior to cutting prevent the crushing?  And keep out any debris?  Either metal or some other suitable material.

qwaarjet:
yea i was thinking a purpose built edm machine might be the way to go long term

jpanhalt:
Is the 1/16"tube thin wall or thick wall (assuming that is O.D.)?  For HPLC (thick wall) with compression couplings, you can file a notch and break.  Of course, the end is not square and polished.  I have also used a filler rod with grinding.  Cutting under water will reduce dust, but you will still need cleaning if particles in the tube are a problem.

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