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Titanium housings for a surgical robot
A small titanium housing finished complete on a Swiss lathe, with no second operation.
Client
Surgical robotics company
Part
Instrument housing
Material
Titanium Ti-6Al-4V
Quantity
1,600 pcs
Tolerance
±0.0003 in
Lead time
8 weeks
Result
Cpk 1.67 on bore
Industry
Medical devices
The problem
The housing needed a bore held to 0.0003 in, concentric to an outside diameter, in titanium that likes to move when it warms up.
What we did
We moved the part to a Swiss-type lathe so it is supported right at the cut, finished the bore and outside diameter in the same clamp and added in-process gauging every tenth part.
The result
1,600 housings with a process capability of 1.67 on the bore, and the customer dropped their incoming inspection to a sample plan.
What buyers say after the second order
“
They caught a tolerance stack on our drawing before quoting. That one phone call saved us a failed first article.
Rachel Moreno
Supply chain manager
Regional aircraft supplier
“
We send a model on Monday and have parts on the bench two weeks later. The CMM reports come with every lot.
James Whitaker
Mechanical engineer
Surgical robotics company
“
Datum built production fixtures for our prototypes. When we scaled to 500 a month, nothing had to change.
Priya Natarajan
Head of hardware
Warehouse robotics startup
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