Injection molded parts
Precision injection molding of thermoplastics, including miniature parts, 2K components and customer-designed housings. The published plastic injection volume is up to 400 cm³.
Active company
Karl Kühnlein GmbH
Company location
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Injection molded parts
Technical parts
Injection and compression molds
Research and development, R&D
Assembled parts
Finished, decorated, printed and marked parts
Reinforced plastic parts
Prototyping
About
About Karl Kühnlein GmbH
Karl Kühnlein GmbH is a family-run plastics and elastomer processor based in Mammendorf, Bavaria, with more than 70 years of company history. Approximately 50 employees manufacture precision injection-molded and compression-molded parts for automotive, medical, electronics and industrial customers in Germany and abroad. The company carries out its production at the Mammendorf site.
The product range covers thermoplastics, technical engineering polymers, elastomers and silicone rubber. Capabilities include micro-injection molding, two-component hard–soft combinations, plastic–metal overmolding and specialist processes for small and complex components. Plastic molded parts can start at 0.001 g, while the company also offers larger elastomer components and a wide selection of polymer grades.
In-house engineering and toolmaking support component development from initial feasibility analysis and prototypes to serial production. The company designs injection and compression molds with CAD/CAM and filling simulation, and provides post-processing, surface finishing, assembly and quality assurance. Its quality system is certified to DIN EN ISO 9001:2015.
Capabilities
Our competencies
Technical parts
Customer-specific, dimensionally precise molded technical components for automotive, healthcare, electronics and general industrial applications; engineering plastics include PA, POM, PC, PEEK and PPS.
Injection and compression molds
In-house production of precision injection and compression molds, including multi-cavity, hot-runner, cold-runner and multi-component tooling, supported by 5-axis milling.
Research and development, R&D
In-house CAD/CAM mold design, filling simulation, warpage assessment, manufacturability optimization and customer-data adaptation.
Assembled parts
Post-molding assembly of small units, including customer-specific plastic and elastomer combinations with functional sealing requirements.
Finished, decorated, printed and marked parts
Surface finishing options include printing, galvanic finishing, PTFE sliding coatings, flocking, vibratory finishing and fluorination.
Reinforced plastic parts
Processing of glass- and carbon-fibre-reinforced thermoplastics for mechanically demanding molded functional components.
Prototyping
Prototype and short-run molded samples produced using modular mold systems for design verification and transition toward serial production.
Industries
Our target groups
Automotive
Medical & Healthcare
Pharmaceutical
Electronics & Electrical
Industrial Equipment & Mechanical Engineering
Consumer Goods
Standards
Certifications
ISO 9001 — Quality Management
Facts
Company data
- Employees
- Approximately 50
- Minimum Plastic Injection Molded Component Weight
- 0.001 g
- Minimum Silicone Molded Component Weight
- 0.14 mg
- Maximum Plastic Injection Volume
- 400 cm³
- Maximum Elastomer Injection Volume
- 1,000 cm³
Locations
Company locations
1 company location
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Germany
Aerospace
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