Engineering
DFM Precheck
Run a rule-based manufacturability check on a feature list and see which of eleven common problems your design is exposed to, with the standard fix for each.
Result
No blocking risk
No blocking risk. 2 points worth planning for before the quote.
2 mm minimum wall in aluminium
A wall under about 0.5 mm in this material deflects under cutting force, and the deflection shows up as a taper, not as a dimensional error, so it is often found late.
12 mm deep / 8 mm wide = 1.5:1
Depth-to-width drives the tool length, and tool length drives chatter. Past roughly 4:1 the finish starts to suffer before the tolerance does.
Pocket/slot feature selected
A square internal corner cannot be produced by a round cutter. The tool leaves its own radius, so a sharp corner in the drawing becomes a negotiation at inspection.
Fix: Specify the largest corner radius the function allows. If a sharp corner is functional, the usual answer is an EDM corner pick-out, which adds a process and a lead-time step.
tight
Tight tolerance: expect in-process checks and a temperature-stable measure.
Fix: Keep the tight callouts on functional features only.
aluminium
Free-cutting relative to titanium and nickel: tool life and finish are not the constraint.
18 mm deep / 6 mm dia = 3.0:1
Past about 5:1 the drill wanders and the chip has nowhere to go. Past 10:1 it is gun-drilling territory, which is a different process with a different price and lead time.
None
Nothing in the geometry prevents tool access from one direction.
Reachable in one setup
One setup means one tolerance stack-up: errors do not accumulate between operations.
Rule-based checklist driven by the numbers you enter. It is not CAD or CAM analysis: no geometry is read, no file is opened, and nothing here replaces the engineer review that follows an RFQ. Where a real geometry engine is added later, it plugs in behind this.
What you provide
- Feature type
- Wall thickness
- Pocket depth and width
- Hole depth ratio
- Tolerance class
- Material
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