Manufacturer of plastic injection-molded parts in 1-K and 2-K processes including assembly and measurement
Stemke GmbH Kunststoff & Form
Hartha (Headquarters) · GermanyNew on Amplifa
About Stemke Kunststoff & Form
Stemke GmbH Kunststoff & Form, based in Hartha in Saxony, is a manufacturer of plastic injection-molded parts and also provides project management for injection molds. On fully automatic injection molding machines with clamping forces between 40 t and 1000 t, the company produces plastic parts in the 1-K and 2-K injection molding processes with a total weight of up to 3200 g – from small series to large-volume orders. The basis for this is a design drawing or an existing injection mold; tool procurement is carried out jointly with qualified partner companies in Germany, Europe and China. In addition, the company assembles subassemblies, including loudspeakers, mirror glasses and safety-relevant assemblies from the airbag sector, welds plastic parts using the hot gas welding process, and performs 3D measurements with a Zeiss coordinate measuring machine. Certifications according to ISO 9001, IATF 16949 and ISO 14001 confirm the quality and environmental management system, especially for automotive customers.
- Site
- Hartha
- Processes
- 1-K injection molding process, 2-K injection molding process, Tool procurement / project management for injection molds, Plastic welding (hot gas welding), Assembly of subassemblies (including loudspeakers, mirror glasses, airbag subassemblies), 3D measurement (initial samples and production-accompanying retained samples, measurement reports), Plastic injection molding (1-K and 2-K, 40–1000 t clamping force, part weight up to 3200 g), Injection mold project management / tool procurement (Germany, Europe, China)
- Materials
- Plastic, Plastic (1-K and 2-K injection molding), Hot gas welding
- Certificates
- ISO 9001:2015, IATF 16949:2016, DIN EN ISO 14001:2015, ISO 14001:2015
- Industries
- Automotive (among others airbag subassemblies), Automotive (airbag subassemblies)
- 01
Tool procurement / project management for injection molds
- 02
Injection molding (1-K and 2-K)
- 03
Plastic welding (hot gas)
- 04
Assembly of subassemblies
- 05
3D measurement and measurement reports
Materials & Processes
Plastic (1-K and 2-K injection molding)
Injection molding of components with a total weight of up to 3200 g on machines with clamping forces from 40 t to 1000 t.
Hot gas welding
Process for welding plastic components, depending on the application, on welding machines.
Site
Hartha
DEProduction and administration (headquarters)
- Part weight / size
- up to 3200 g
- Lot size
- Small series to large-volume orders
- Materials
- Plastic
- Fully automatic injection molding machines with 40–1000 t clamping force
- Welding machines (hot gas welding)
- Assembly machines
- Zeiss coordinate measuring machine
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| 1-K injection molding processPlastic | – | – | 3200 g | – | Plastic |
| 2-K injection molding processPlastic | – | – | 3200 g | – | Plastic |
| Tool procurement / project management for injection moldsEngineering | – | – | – | – | – |
| Plastic welding (hot gas welding)Joining | – | – | – | – | Plastic |
| Assembly of subassemblies (including loudspeakers, mirror glasses, airbag subassemblies)Assembly | – | – | – | – | Plastic |
| 3D measurement (initial samples and production-accompanying retained samples, measurement reports)Testing | – | – | – | – | Plastic |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Injection molding machines (fully automatic, clamping force range 40 t to 1000 t) | – | – | – | – | Hartha |
| Welding machines (hot gas welding) | – | – | – | – | Hartha |
| Assembly machines | – | – | – | – | Hartha |
| Coordinate measuring machine | Zeiss | – | – | – | Hartha |
Additional services
Quality & Certification
Initial samples and production-accompanying retained samples are measured on a Zeiss coordinate measuring machine; quality requirements are documented with informative measurement reports. The quality management system is certified according to ISO 9001:2015 and IATF 16949:2016 (TÜV Rheinland), and the environmental management system according to DIN EN ISO 14001:2015 (TÜV SÜD).
| Evidence | Hartha |
|---|---|
| ISO 9001:2015 | |
| IATF 16949:2016 | |
| ISO 14001:2015 |
History
- 2017
Initial ISO 9001 certification (TÜV Rheinland)
- 2024
Recertification of ISO 9001:2015 and IATF 16949:2016 by TÜV Rheinland, valid until 18.01.2027
- 2025
Certification DIN EN ISO 14001:2015 by TÜV SÜD, valid until 19.11.2028