Custom Plastic Injection Molding

Plastic Injection Molding, Manufacturing & related Services

At ASYST Technologies, we deliver high-precision, custom-molded plastic injection solutions—from prototyping through production. For decades, we have delivered innovative molded products that solve the world's most complex challenges. As your trusted partner, we combine competitive pricing, rapid lead times, and guaranteed on-time delivery, to accelerate your time-to-market without jeopardizing quality. 

ASYST offers a wide range of plastic injection molding manufacturing capabilities, including:

  • Injection molding machines ranging from 28-340 tons
  • Vertical and horizontal molding presses
  • Global manufacturing footprint spanning 5 continents
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molding for success

With innovation at our core and decades of molding expertise, we create quality plastic solutions for the world's leading manufacturing industries.

Quality Control

Our molded plastic parts and assemblies are ISO-certified and backed by a robust quality control team that prioritizes continuous improvement initiatives to achieve the lowest possible defect rates for our customers. Our certifications include:

  • IATF 16949:2016
  • ISO 9001:2015
  • ISO 14001:2015

Molding Capabilities

Working with industry leading engineered resins, we offer the following custom molding capabilities:

  • Custom Injection Molding
  • Insert Molding
  • Overmolding
  • Two-Shot Plastic Injection Molding (2K Molding)
  • Liquid Silicone Rubber Molding (LSR), ideal for precision medical parts

Product Innovation

Our product innovation team works with you from concept through prototyping to production and distribution, utilizing a cross-functional APQP team for each project. Some of our capabilities include:

Prototyping: 3D printing (FDM, MJP, SLS, SLA), rapid mold tools, CNC machining, laser cutting, and spin casting.

Production: Scale seamlessly using the same technology, materials, and quality controls validated during prototyping. We utilize CMM (Coordinate Measuring Machine) vision inspection and 100% batch testing to guarantee precision, compliance and reliability.

Automated Assembly

The ASYST Automation Division develops automation equipment and assemblies for complex, multi-piece product assembly, serving both our internal molding operations and external manufacturing clients. We work with your product engineering and production teams to design for manufacturability and optimize the assembly process.

Versatile Solutions:

  • Robotic Machine Tending (Authorized FANUC Integrator)
  • Insert Molding
  • Vision Inspection Systems
  • Gate Trimming
  • Custom Assembly Systems
  • Part Feeding & Material Handling
  • Packaging
  • Support/Service

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      Sample Products

      Molded products for customers around the world
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      Custom Injection Molding

      This custom-designed throttle body cover is molded using engineering-grade resin and automated assembly at our Kenosha, Wisconsin Headquarters. 
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      Custom Injection Molding

      This cold-formed stud with a custom plastic molded retainer ensures the adjustment and fixation of the rear lamp currently on specific Ford models.
      Insert Molded Sensor

      Insert Molding

      The MAP (Mass Airflow Pressure) sensor is used to monitor manifold pressure and detect intake airflow on fuel-injected engines. The housing glass-filled PBT and includes multiple electrical terminals precisely inserted into the mold.
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      Two-shot (2k molding)

      The Two-Shot Molding process is utilized to change the position of the parts to integrate the two different materials into a single molded part. The product pictured is a comfort top cover, used in Volkswagon steering columns.
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      Overmolding

      This steel deployment pin that is overmolded with a glass-filled nylon to make a single solid component for a steering wheel airbag application. Glass filled nylon benefit-read more
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      Overmolding

      This worm gear is produced by molding a second material (typically plastic) onto the initial metal base material to form one solid component for an automotive power seat application.
      Liquid silicone rubber insert ring

      LSR Molding

      This molded damper incorporates an inserted O-ring that can be made from LSR to allow soft surface compliance for medical devices and other healthcare products.

      Design for Manufacturing (DFM): Building Smarter from the Start

      At ASYST, we believe great products begin long before production starts – they start with designing for manufacturability. DFM is the practice of optimizing product designs to reduce complexity, cost, and risk while ensuring quality and scalability. It is important to consider key principles such as simplified geometry, material selection, standardizing components, aligning tolerances with intent, and designing with the mold in mind.

      Capabilities

      General Capabilities

      • Injection Molding
      • Prototyping
      • Innovative Design & Development
      • Value-Added Post Molding Processes
      • Simulation and Quality Testing
      • Project Management
      • Assembly and Automation
      • Vision Inspection

      Molding Processes

      • Single-Plastic Custom Injection Molding
      • Insert Molding
      • Overmolding
      • Two-Shot Molding (2K Molding)
      • Liquid Silicone Rubber Molding (LSR)

      Some of our Materials

      ASYST is capable of running a wide variety of engineering-grade thermoplastics that may not be listed above.

      Additive Processes & Capabilties

      • Sonic Welding
      • 3D-Printing
      • Raw Material Selection Services
      • Leak & Performance Testing
      • CAE Simulations
      • CT Scanning
      • Machine Design and Control Programming for Automation
      • Vision and Quality Inspections
      • Global Packaging and Distribution
      • Automated Assembly
      • Cleanroom Production Capability

      Industries of Focus

      • Automotive
      • Medical Device/Healthcare
      • Electronics
      • Aerospace
      • Consumer Products
      • Agriculture
      • Packaging
      • Military & Defense
      • Automation

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