I need to mill a slot like this:
The slot should travel all the way through the part, as perpendicular as I can manage, with size tolerances of ±0.01". The part isn't actually cube-shaped... I just didn't bother to draw the whole part, just the slot.
Material: Aluminum
Depth: 2"
Slot Width: 3/16"
Slot Length: 5/16"
Should point out that I'm doing this on a Sherline 2000 mill.
I'm thinking:
Also wondering about the potential for the end mill to "buck" in the slot. I've never used an end mill "trapped" like this at depth. Will a 1/16" clearance between the trailing edge and the opposite surface be enough?
All input welcome.
The slot should travel all the way through the part, as perpendicular as I can manage, with size tolerances of ±0.01". The part isn't actually cube-shaped... I just didn't bother to draw the whole part, just the slot.
Material: Aluminum
Depth: 2"
Slot Width: 3/16"
Slot Length: 5/16"
Should point out that I'm doing this on a Sherline 2000 mill.
I'm thinking:
- Drill the two end holes undersize
- Ream holes to 3/16"
- run a 1/8" end-mill between the centers along both edges
- Flip part and repeat step 3
Also wondering about the potential for the end mill to "buck" in the slot. I've never used an end mill "trapped" like this at depth. Will a 1/16" clearance between the trailing edge and the opposite surface be enough?
All input welcome.
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