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Components for Inspection & Testing Equipment Manufacturers

There is a special irony in building measurement machines: your components must be more accurate than the parts they will judge. We machine fixture bodies, reference structures and precision mechanisms for inspection and testing equipment with exactly that discipline.

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Why ProtoTech

Why equipment manufacturers choose us

Accuracy for the accusers

Reference and fixture features held to ±0.005 mm typical where applicable — because your machine's credibility starts with ours.

Stable materials, stable results

Aluminum, stainless and low-expansion options matched to the measurement task.

Evidence with every batch

Zeiss CMM dimensional reports and material certificates document what your instruments are built on.

Technical data

CNC Machining for Inspection & Testing Equipment

Real capability windows — verified in-house, not estimated.

CapabilitySpecification
Typical partsFixture and reference bodies · sensor and camera mounts · frames · precision mechanisms · probe carriers
MaterialsAluminum · stainless · steel · Invar · engineering plastics
Typical tolerance±0.005 mm typical where applicable · ±0.01 mm standard
Surface finishDown to Ra 0.2 µm
Processes3- and 5-axis milling · turning · Swiss-type
InspectionZeiss CMM dimensional reports · EN 10204 3.1 on request
Prototype lead timeTypically 5–10 working days

Materials we machine

Kovar®
Permalloy
Tungsten alloys
PEEK
PVDF
PTFE
Invar
Monel/Inconel
Carbon fiber
Stainless
Titanium
Aluminum
Engineering plastics
How we work

From Drawing to Delivered Part

A transparent, engineering-led process built for long-term supply programs — not one-off transactions.

1

Submit & Review

Send drawings and program context. Our engineers run a DFM review and flag tolerances, materials and risk before any cutting begins.

2

Quote & Material Plan

You receive a transparent quote plus a material-verification plan — grade, EN/DIN check and certificate strategy for your application.

3

Machine & Inspect

In-house precision machining, then Zeiss CMM dimensional inspection and spectrometer material verification on critical batches.

4

Deliver & Support

Kitted, ESD-safe or ISO Class 7 cleanroom packaging, with local engineering and after-sales support through our German partner.

FAQ

Frequently asked questions

±0.005 mm typical where applicable on machined reference and seating features — verified on our Zeiss CMM for geometry and position, the TRIMOS V5 height gauge for heights and steps, and the AI-Vision system for fine features, and documented per batch.
Yes — fixture bodies, clamping elements and mounts are routine work, including matched sets with consistent interface tolerances.
Yes — Invar is part of our material range. We discuss stability trade-offs during the DFM review so the material matches the measurement task.
Start a project

Request a Quote

Tell us about your program. The fields below help our engineering team prioritize recurring, long-term supply programs with equipment manufacturers.

What happens after you send your files

  • Within 1 business day an engineer — not a salesperson — reviews your drawings and replies.
  • DFM review: tolerances, material and risk flags, before any cutting begins.
  • Your quote includes a material-verification plan: grade, EN/DIN check, certificate strategy.

Critical features are verified in house · material chemistry confirmed by spectrometer · EN 10204 3.1 certificates available.

Prefer email? Write to us directly at info@prototech-machining.com

Recurring programs and orders of 1,000+ pcs are prioritised by our engineering team.
The number of parts per order — it lets us price tooling and batch setup correctly instead of guessing at a range.
Several different parts? Email your list and drawings to ellie@prototech-machining.com and we will quote them together.
e.g. 120 pcs · 6061-T6 aluminium · black anodise · mates with bracket PT-1042
Built for qualified programs.
Our form captures production type, annual quantity and project status up front — so we can focus engineering resources on long-term supply relationships, not one-off inquiries.
Need engineering input first?
Talk to our team about special materials, tolerances or a failed-supplier recovery before you send drawings.
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