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Quality

Batch Traceability and Drawing Revision Control

Traceability answers two questions that matter years later: which material went into this batch, and which revision was it built to. We keep both — so repeat orders match the original and audits have something to read.

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Why ProtoTech

Why equipment manufacturers choose us

Repeat orders that match

Batch records and controlled revisions mean reordering part 500 looks like part 1, not a re-interpretation.

Audit-ready records

Material batch, inspection results and revision history form a consistent set your customer's auditor can follow.

Change control

Drawing revisions are recorded and applied deliberately — no silent substitutions between batches.

Technical data

Traceability

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

CapabilitySpecification
Traceability levelBatch level, tied to part number and revision
Records keptMaterial batch · inspection reports · revision history
Drawing controlRevision recorded and applied per order
Complementary evidenceEN 10204 3.1 certificates · spectrometer verification
PackagingKitted, ESD-safe or cleanroom options with identification
Quality systemISO 9001:2015 (AENOR)
AvailabilityPrototypes through recurring series programs

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 cleanroom packaging, with local engineering and after-sales support through our German partner.

FAQ

Frequently asked questions

The material batch used, the inspection results for that batch, and the drawing revision it was built to — recorded and retrievable.
Revisions are recorded and applied deliberately per order; we do not silently substitute a newer revision or an older process between batches.
That is the point of keeping records: material, revision and inspection approach are documented so a repeat order reproduces the approved part.
Related quality topics
CMM Inspection
First Article Inspection
Material Verification
Material Certificates
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.

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

Programs at 1,000+ pcs/year or recurring production are prioritized by our engineering team.
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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