Aluminium car chassi
Aluminium car chassi
(OP)
Hello,
I'm starting the build of a race car chassi based on aluminium rectangular extrusions and stressed panels. All 8061 and 6082 aluminium, TIG welded.
I've read that a post heat process is recommended to increse the assembly stiffness. What is the correct procedure I should follow for heating and cooling the final welded chassis ?
thanks.
I'm starting the build of a race car chassi based on aluminium rectangular extrusions and stressed panels. All 8061 and 6082 aluminium, TIG welded.
I've read that a post heat process is recommended to increse the assembly stiffness. What is the correct procedure I should follow for heating and cooling the final welded chassis ?
thanks.





RE: Aluminium car chassi
RE: Aluminium car chassi
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RE: Aluminium car chassi
RE: Aluminium car chassi
Obviously, first - as noted above - decide on what time, temperature, heatup rates, cool-down rates, etc you want for the metal involved.
But in this case, you are trying to get uniform results over a very complex assembly of thin-walled and thick-walled extruded and welded members already put together into a hollow frame. So some parts (the corners, top and side pieces) are going to heat up rapidly since they are close to the furnace walls and higher up in the furnace. Others are going to be shielded from the wall of the furnace, be further from the heat source, be shielded from radiation by other members, be behind clamps or the jig you hold the frame in, etc.
The furnace gasses probably need to be moving to heat the surfaces and not allow stagnate or layered areas or be unduly influenced by distance to the radiating surfaces.
RE: Aluminium car chassi
RE: Aluminium car chassi
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