A tolerance on a drawing is a promise. A CMM is how you prove it was kept. Every critical dimension on your parts is measured on our in-house Zeiss coordinate measuring machine — and the result is documented, not asserted.
No outsourced inspection, no waiting on third-party reports — dimensional verification happens where the parts are made.
Dimensional inspection reports per batch, tied to your part number and revision.
Diameters, positions, concentricity and geometric relationships — checked against your drawing, not against a sample.
Real capability windows — verified in-house, not estimated.
| Capability | Specification |
|---|---|
| Equipment | Zeiss coordinate measuring machine (in-house) |
| Scope | Critical dimensions and geometric features per drawing |
| Typical tolerance verified | ±0.005 mm typical · ±0.01 mm standard, feature-dependent |
| Documentation | Dimensional inspection reports per batch |
| Program stages | First-article layout · in-process · final batch inspection |
| Complementary checks | Material spectrometer verification · EN 10204 3.1 certificates |
| Quality system | ISO 9001:2015 (AENOR) |
A transparent, engineering-led process built for long-term supply programs — not one-off transactions.
Send drawings and program context. Our engineers run a DFM review and flag tolerances, materials and risk before any cutting begins.
You receive a transparent quote plus a material-verification plan — grade, EN/DIN check and certificate strategy for your application.
In-house precision machining, then Zeiss CMM dimensional inspection and spectrometer material verification on critical batches.
Kitted, ESD-safe or cleanroom packaging, with local engineering and after-sales support through our German partner.
Tell us about your program. The fields below help our engineering team prioritize recurring, long-term supply programs with equipment manufacturers.
Every critical dimension is verified on our in-house Zeiss CMM · material chemistry confirmed by spectrometer · EN 10204 3.1 certificates available.
Prefer email? Write to us directly at info@prototech-machining.com