Contract manufacturing from a single source: CNC turning, 5-axis milling, grinding, surface treatment and assembly.
Löper Metallverarbeitung GmbH
42579 Heiligenhaus · Schopshofer Weg 15New on Amplifa
About Löper Metallverarbeitung
Löper Metallverarbeitung GmbH is a medium-sized family business founded in 1962 in Heiligenhaus with 14 employees, now run by the third generation. As a specialist in metalworking and surface treatment, the company produces turned parts on CNC lathes and sliding-headstock (Traub) automatic lathes, milled parts including complete machining on 5-axis machining centres (DMG MORI DMU 50, TM4000), as well as laser-cut parts. In addition, the company operates its own metal grinding shop (grinding, polishing, satin finishing) and offers surface treatments such as chrome plating, anodising, zinc plating, glass bead blasting and burnishing. The service portfolio includes design, prototyping, production to drawing from small to large series, contract work, deburring, assembly of complete assemblies and logistics with call-off warehousing. Customer industries include mechanical engineering and the pump industry, fitting/hardware manufacturing, and parts for measuring systems. The company has been certified to DIN EN ISO 9001 since 2015.
- Site
- Heiligenhaus
- Processes
- CNC milling, CNC turning (CNC turned parts), Turning on Traub automatic lathes, Metal grinding shop (surface grinding, grinding and polishing, smoothing, satin/matt finishing), Surface treatment: high-gloss chrome plating, Surface treatment: anodising, Surface treatment: zinc plating, Surface treatment: chrome plating
- Materials
- 1.4305, 1.4301, 1.4571, 1.4404, 1.4104, Al Mg Si 0,5 F22, Al Cu Mg Pb, Al Mg Si 1
- Certificates
- DIN EN ISO 9001:2015, ISO 9001
- Founded
- 1962
- Employees
- 14
- Industries
- Mechanical engineering industry, Pump industry, Manufacture of fittings/hardware, Parts for measuring systems
- 01
Design
- 02
CNC turning / turning on Traub automatic lathes
- 03
CNC milling incl. 5-axis machining
- 04
Laser-cut parts (laser cutting)
- 05
Deburring
- 06
Metal grinding shop / surface treatment
- 07
Assembly of complete assemblies
- 08
Quality inspection
- 09
Storage and call-off warehousing
Locations
Heiligenhaus
DEHeadquarters, production, grinding shop, assembly and warehouse
- Lot size
- Prototyping, small to large series
- Materials
- Stainless steel, steel, aluminium, brass, copper, plastics, castings
- CNC lathes
- 10 Traub automatic lathes
- OKK HM500S machining centre
- 5-axis machining centre DMG MORI DMU 50 3rd
- 5-axis machining centre TM4000
- Mitutoyo PJ-3000 profile projector
- Keyence XM-2200 measuring system
- Tesa Hite Magna 7 height gauge
Components & Product Examples
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| CNC millingMachining | – | – | – | – | – |
| CNC turning (CNC turned parts)Machining | – | – | – | – | – |
| Turning on Traub automatic lathesMachining | – | – | – | – | – |
| Metal grinding shop (surface grinding, grinding and polishing, smoothing, satin/matt finishing)Surface | – | – | – | – | Stainless steel, Steel, Aluminium, Brass, Plastics, Die-cast zinc, Aluminium casting |
| Surface treatment: high-gloss chrome platingSurface | – | – | – | – | – |
| Surface treatment: anodisingSurface | – | – | – | – | – |
| Surface treatment: zinc platingSurface | – | – | – | – | – |
| Surface treatment: chrome platingSurface | – | – | – | – | – |
| Surface treatment: glass bead blastingSurface | – | – | – | – | – |
| Surface treatment: burnishingSurface | – | – | – | – | – |
| Turned and stamped parts (incl. surface treatment)Machining | – | – | – | – | – |
| Laser-cut parts (laser cutting)Machining | – | – | – | – | Al Mg 3, Cu Zn 39 Pb 3, 1.4301, 1.4571, S235JR+C, 11SMnPb30+C, 11SMnPb30 |
| DeburringSurface | – | – | – | – | – |
| Design/engineeringEngineering | – | – | – | – | – |
| Assembly of complete assemblies (incl. accessories and packaging)Assembly | – | – | – | – | – |
| Logistics and warehousing (call-off stock)Engineering | – | – | – | – | – |
| Prototyping and contract manufacturing, small to large seriesMachining | – | – | – | – | – |
| Quality inspection / metrologyTesting | – | – | – | – | – |
8 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Machining centre | OKK HM500S | 1 | – | – | Heiligenhaus |
| 5-axis machining centre | DMG MORI DMU 50 3rd | 1 | – | 2020 | Heiligenhaus |
| 5-axis machining centre | TM4000 | 1 | – | 2023 | Heiligenhaus |
| Traub automatic lathe (sliding-headstock automatic lathe) | Traub | 10 | – | – | Heiligenhaus |
| CNC turning and milling machines | – | – | – | – | Heiligenhaus |
| Profile projector | Mitutoyo PJ-3000 | 1 | – | – | Heiligenhaus |
| Measuring system | Keyence XM-2200 | 1 | – | – | Heiligenhaus |
| Height gauge | Tesa Hite Magna 7 | 1 | – | – | Heiligenhaus |
Additional services
Quality & Certification
Quality assurance is backed by the Mitutoyo PJ-3000 profile projector, the Keyence XM-2200 and the Tesa Hite Magna 7 height gauge. The company has been certified to DIN EN ISO 9001 by TÜV Rheinland since 2015 (certificate 1401480), most recently re-certified in May 2021.
| Evidence | Heiligenhaus |
|---|---|
| ISO 9001 |
Company History
- 1962
Dieter Löper founds a grinding shop on Höselerstraße in Heiligenhaus
Dieter and Reinhard Löper expand as Gebrüder Löper (Löper Brothers) to include turning on 10 Traub automatic lathes, conventional finishing and assembly at Schopshofer Weg 15
- 1989
Torsten Löper (2nd generation) joins the company
- 1990
The firm Gebrüder Löper is converted into Löper Metallverarbeitung GmbH; production is expanded to include CNC turning and milling machines
- 2013
Purchase of a new OKK HM500S machining centre
- 2014
Introduction of a documented verification system according to DIN EN ISO 9001:2008 (with Hagen Consulting & Training GmbH)
- 2018
Certification to DIN EN ISO 9001:2015 passed for the first time without conditions; expansion of the metal grinding shop
- 2020
Investment in the 5-axis machining centre DMU 50 3rd
- 2021
Re-certification to DIN EN ISO 9001:2015 (May 2021)
- 2023
Expansion of the machine park with 5-axis machines (DMU 50, TM4000) for complete machining