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ARO-TEC – Fertigung

Fine finishing and polishing of injection and compression mold tool surfaces up to 3 t tool weight

ARO-TEC Logo

ARO-TEC GmbH

Kierspe (Headquarters / Manufacturing)New on Amplifa

1990Founded
up to 3 tMax. total tool weight
30 quality gradesTool surface finishes (1–30)
Kierspe, DELocation

About ARO-TEC

ARO-TEC GmbH is a master-craftsman company founded in 1990 and headquartered in Kierspe in the Märkischer Kreis district of southwestern Westphalia, specializing in the fine finishing of tool surfaces. The company processes simple and complex surfaces on plastic injection molds as well as injection and compression tools. Its range of services includes emery-line polishing, oilstone polishing, flat lapping, rotary polishing, surface grinding, polishing under Stereo-Dynascope microscopes, and the removal of EDM marks and etching. A total of 30 different tool surface finishes in quality grades 1 to 30 are offered – from technical polishes to gloss and high-gloss polishes for visible and see-through parts. Tools with a total weight of up to 3 tonnes are processed. The quality management system is certified to DIN EN ISO 9001:2015.

Site
Kierspe
Processes
Emery-line polishing, Oilstone polishing, Emery line, bright polished, Polishing grades up to high gloss (gloss and high-gloss polishes, 30 quality grades), Line and high-gloss polishing, Flat lapping, Rotary polishing, Polishing under Stereo-Dynascope microscopes
Materials
Polishing (emery line, oilstone, high gloss), Flat lapping, Surface grinding
Certificates
DIN EN ISO 9001:2015, ISO 9001
Founded
1990
Industries
Plastic injection molding / toolmaking, Injection and compression molds
  1. 01

    Order acceptance and tool intake

  2. 02

    Surface grinding

  3. 03

    Line and high-gloss polishing

  4. 04

    Flat lapping or rotary polishing

  5. 05

    Microscopic fine polishing

  6. 06

    Final inspection and delivery

Materials & Processes

POL

Polishing (emery line, oilstone, high gloss)

Various polishing techniques for optimizing injection and compression tool surfaces in 30 quality grades.

LÄPP

Flat lapping

Production of absolutely flat tool surfaces.

FLS

Surface grinding

Production of flat and smooth tool surfaces as a basis for subsequent polishing.

Locations

Standort Kierspe

Kierspe

DE

Headquarters / Manufacturing

Part weight / size
Tools up to 3 t total weight
Materials
Tool surfaces of injection and compression molds
  • Stereo-Dynascope microscopes

Components & Services

Line polishing on tool surface
Line polishing on tool surfaceLine polishing · Plastic injection molding / toolmaking
Flat lapping
Flat lappingFlat lapping · toolmaking
Rotary polishing
Rotary polishingRotary polishing · injection and compression molds
Removal of EDM marks and etching
Removal of EDM marks and etchingPost-processing · injection molds

Inside the production

Polishing under the Stereo-Dynascope microscope
Polishing under the Stereo-Dynascope microscope
Microscopic fine finishing in the workshop environment
Microscopic fine finishing in the workshop environment
Quality badge
Quality badge
DIN EN ISO 9001:2015 certificate
DIN EN ISO 9001:2015 certificate
VDWF membership
VDWF membership

Industries

Plastic injection molding / toolmakingInjection and compression molds

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Emery-line polishingSurface––3 t (total tool weight)––
Oilstone polishingSurface––3 t (total tool weight)––
Emery line, bright polishedSurface––3 t (total tool weight)––
Polishing grades up to high gloss (gloss and high-gloss polishes, 30 quality grades)Surface––3 t (total tool weight)––
Line and high-gloss polishingSurface––3 t (total tool weight)––
Flat lappingSurface––3 t (total tool weight)––
Rotary polishingSurface––3 t (total tool weight)––
Polishing under Stereo-Dynascope microscopesSurface––3 t (total tool weight)––
Removal of EDM marks & etchingSurface––3 t (total tool weight)––
Surface grindingSurface––3 t (total tool weight)––

1 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Stereo-Dynascope microscope––––Kierspe

Additional services

Fine finishing of tool surfacesLine polishingHigh-gloss polishingOilstone polishingFlat lappingRotary polishingPolishing under Stereo-Dynascope microscopesRemoval of EDM marks & etchingSurface grinding30 different tool surface finishes (quality grades 1–30)

Quality

The quality management system is certified to DIN EN ISO 9001:2015 by ZDH-ZERT GmbH (registration number Q1 0107035, valid until 24.07.2028). Fine finishing is partly carried out under Stereo-Dynascope microscopes for microscopic precision.

EvidenceKierspe
ISO 9001

History

  1. 1990

    Foundation of ARO-TEC GmbH in Kierspe

  2. 2025

    Renewal of ISO 9001 certification by ZDH-ZERT (valid until 24.07.2028)

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