Centerless grinder
High-precision centerless grinder — Ø 2–25 mm range, through-feed mode, all materials.
Our industrial resources
EN 9100:2018 quality process, Keyence inspection, COFRAC metrology and 9 complementary services.
EN 9100 — Qualified process, controlled risks
System certified EN 9100:2018 / AS9100D covering the full cycle. Complete process qualification; risks identified, assessed, treated; Cp/Cpk capabilities measured and monitored.
- Entité
- ALTEC RECTIFICATION — ALTEC Étirage
- Domaine
- Centerless grinding + straightening
- Secteurs
- Aero / Space / Defence / Medical
- Périmètre
- All materials Ø 2–25 mm — La Frette (38)
6-step process
01
Order review & requirements analysis
02
Material receipt & inspection
03
Machine setup, first article validation
04
Centerless grinding + SPC checks
05
Final dimensional & surface finish inspection
06
Documentation, batch release & delivery
Process qualification
First article inspection
SPC drift control
Lot-by-lot traceability (10-year archiving)
Rigorous document management
Continuous improvement (8D, Ishikawa, NC within 48h)
Documents delivered per batch
- Product declaration of conformity
- Dimensional inspection report
- Surface finish report (profilometer)
- Material certificate (on request)
- FAI dossier (on request)
- Process qualification record (on request)
Quality system progression
ISO 9001
EN 9100:2018 / AS9100D
Actuel
ISO 13485 (in progress)
En cours
Keyence TM-X5040 optical inspection
01
Surface profilometer
Ra measurement per DIN EN ISO 4287 — systematic in-process verification.
02
Keyence TM-X5040 optical inspection
Non-contact laser triangulation — 100% or AQL statistical. Individual report per bar.
03
Pneumatic gauge
Fast, repeatable diameter check at end of line.
04
Full traceability
Per-batch inspection sheets, 10-year archiving, inspection reports available.
Centerless grinding machines
Centerless grinder
Optimised for through-feed of long bars — high throughput, recurring series.
Complementary services
9 services available from 1 bar.
01
100% inspection
Keyence optical system (triangulation), 100% or statistical, individual report.
02
Straightening
Before/after grinding (Chevreuil know-how), guaranteed straightness.
03
Micro-percussion marking
Permanent engraving (ref., lot/series number) without mechanical alteration.
04
Inkjet marking
Barcodes, grades, lot numbers — readable traceability.
05
Heat treatment
TT coordination (anneal/quench/temper) with EN 9100 partners.
06
Specific inspections
MT, PT, UT, spectral analysis, hardness — on request.
07
Custom packaging
Wrapped bundles, anti-scratch spacers, boxes, labelling, VCI protection.
08
Bar-end chamfering
Performed inline with grinding.
09
Cold drawing
Upstream processing (drawing + grinding in pull-through flow, ALTEC Étirage expertise).