Alfred Kron GmbH from Solingen is your experienced B2B manufacturer for high-precision metal-plastic hybrid parts that combine the stability and conductivity of metal with the flexibility and formability of plastic. As a B2B specialist for stamped parts, stamped and bent parts and plastics technology, we realize insert molded components for industry, automotive, medical technology and electronics – individual, efficient and reliable.
Hybrid components consist of metallic stamped parts or stamped and bent parts that are combined directly with plastic components in the injection molding process (insert molding). This enables:
- Optimal mechanical properties
- Low weight with high stability
- Functional integration of complex geometries
- Efficient production of complex hybrid assemblies
Production takes place with state-of-the-art machines from leading manufacturers, including Bihler, Bruderer, Kaiser, Raster, as well as our own injection molding machines (Arburg, Battenfeld, Netstal). Through hybrid integration via press-fitting, insertion or overmolding, high-precision insert molded parts are created that are durable and functional.
Request hybrid parts "Made in Germany" free of charge now!
Hybrid parts waterproof plug-in contact
Hybrid parts housing for interior display
Metal-Plastic Hybrid Parts – Production and Diverse Applications of Insert Molded Components
Metal-plastic hybrid components combine the advantages of both materials: the stability, conductivity and load capacity of metal with the formability, flexibility and insulation of plastic. Alfred Kron GmbH produces these plastic-metal composites for industry, mechanical engineering, electronics, automotive and medical technology with the highest precision. Kron thus produces safety-relevant, plastic-overmolded hybrid components as mass-produced goods, in three-shift production for the automotive industry, and delivers just-in-time to several locations worldwide.
What are hybrid parts?
Hybrid parts consist of metal stamped or stamped-bent parts, combined with plastic components, which are produced into composite components in the injection molding process.
Advantages:
- Mechanical stability with reduced weight
- Complex functionality in a single component
- Integration of electrical contacts and insulation
- Reduced assembly costs through integrated functions
- Production of complex hybrid assemblies for demanding customer requirements
Material examples: PA46 Stanyl® TE250F6, PA6-GF30, Lexan 141r, Technyl A218 V30 Black, Schulamid 6 GF30
Practical Examples
Overmolded "insulation displacement contacts" for tool-free connections, using dielectric-strength plastic materials.
"Hall sensors" with integrated sensor magnets and pole plates for signaling in transmission technology for control units in automotive construction, with oil- and temperature-resistant additives.
Overmolded "spring elements" with insulating plastic material as a built-in assembly.
Hybrid parts hall sensor with plastic loop
Manufacturing Technologies
Metalworking:
- Stamped parts & stamped-bent parts from sheet metal or steel strip
- Precise geometries with CNC and tooling technology (Bihler, Bruderer, Kaiser, Raster)
- Integration of fastening or contact points
Plastics technology:
- Own injection molding machines: Arburg 275 V, Arburg 470 C, Battenfeld B-TM 500, Netstal ELION 800-1300
- Processing of various plastics for function and durability
- Direct integration onto metallic stamped parts (insert molded)
Hybrid integration:
- Joining technologies: press-fitting, insertion, overmolding of metal with plastic
- Ensuring mechanical stability and composite quality
- Customer-specific adaptation for individual requirements
- Production of insert molded assemblies for complex components
Properties of Hybrid Parts
- High stability with low weight
- Individually designable through combined manufacturing processes
- Temperature and chemical resistance
- Electrical insulation combined with conductive metal components
- Durable, robust and optimal for series production
- Precision of insert molding and overmolding processes
Areas of Application
- Industry & mechanical engineering: precision mechanics, guide elements, clips, clamps
- Electronics & electrical engineering: connectors, insulation displacement contacts, housings, mounts
- Automotive & mobility: interior connecting elements, lightweight, stable components
- Medical technology & special solutions: tailor-made, hygienic precision components
Alfred Kron – Your Supplier for Hybrid Components
Through our decades of expertise in metal stamping and plastic injection molding, we realize your series production of hybrid parts:
- Decades of experience in stamping and stamping-bending technology
- Own injection molding production on state-of-the-art machines
- Precise production from prototypes to series production
- Customer-specific technical solutions for the highest industrial requirements
- Production of insert molded assemblies for complex industrial applications
- Certified supplier: Kron is certified to IATF 16949 and ISO 14001
Hybrid parts 24V on-board power socket
Hybrid parts hall sensor for transmission
FAQ
What is meant by hybrid parts made of metal and plastic?
Metal-plastic hybrid components are functional composite components. Here, metallic elements such as stamped or stamped-bent parts are overmolded directly with plastic in the so-called insert molding process. This creates form-fit and force-fit composites in just one production step, combining the stability of metal with the flexibility and insulation of plastic.
What advantages do the insert molding and overmolding processes offer?
By combining both materials in a single injection molding process, complex assembly and post-processing steps are eliminated. Hybrid parts are also often significantly lighter, more compact and enable a high degree of functional integration (e.g. electrical insulation with simultaneous contacting). This makes them particularly economical and efficient.
Which materials are suitable for hybrid parts?
Depending on the technical requirement, we use different steels, stainless steels or copper strips (for high conductivity) for the metallic core. These are overmolded with high-performance engineering plastics (e.g. PA6-GF30, Lexan 141r or special polyamides) to guarantee optimal strength, insulation and chemical resistance.
In which industries are metal-plastic composites used?
Hybrid parts are in demand wherever electrical contacts, mechanical fixings and complex geometries are required in the smallest of spaces. The main customers are the automotive industry (e.g. for sensors and control units), electronics and electrical engineering, medical technology and demanding mechanical engineering.
How does the production of hybrid parts at Alfred Kron proceed?
Thanks to our own toolmaking, state-of-the-art stamping technology and our own injection molding machines (including Arburg, Battenfeld), we map the complete process in-house. The metal parts are precisely stamped, bent and then overmolded as bulk material or from the strip in the injection molding machine. We accompany customers from the first product design to series production.
What technical challenges are there with hybrid technology?
A permanent and secure connection between metal and plastic requires perfectly coordinated form and surface geometries as well as the right material pairing. Through our decades of experience and precise tooling technology, we ensure extremely high process reliability and permanent adhesion of the composite components.
Conclusion
Metal-plastic hybrid parts with insert molding offer precise, functional and durable solutions for complex industrial applications. With state-of-the-art metal and plastics technology, in-house toolmaking and decades of experience, the B2B supplier Alfred Kron GmbH delivers complex hybrid assemblies from prototype to series production.
Request hybrid parts and insert molded solutions "Made in Germany" free of charge now!
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