Assembly

Our standard assembly service includes putting together molded or machined parts we've made, applying labels to individually bagged parts, and installing pins or inserts. We can also kit multiple parts together for easy assembly.

Injection Moulding & CNC Machining Assembly Services

Protolabs offers efficient, high-quality assembly services that bring together injection moulded, CNC machined, all within a single digital manufacturing workflow. Whether you need simple sub-assemblies or complex multi-process builds, our integrated production and assembly capabilities help you streamline supply chains, reduce lead times and simplify vendor management.

With automated quoting, DFM feedback, and rapid manufacturing, you can move from CAD upload to assembled components in days, not weeks.


Assembly Services Capabilities at Protolabs


Mechanical & Manual Assembly

  • Mechanical fastening
  • Attaching bought-in components
  • Adding pads, stickers, tape 

Insert & Thread Installation

  • Heat staking
  • Pressed inserts
  • Post-moulding heated inserts
  • Post-moulding tapping

Bonding & Joining Processes

  • Gluing
  • Ultrasonic welding



Identification & Finishing

  • Part marking





Improve Efficiency With Integrated Manufacturing and Assembly

By keeping injection moulding, CNC machining, 3D printing and assembly processes in one location, you reduce the complexity and risk associated with coordinating multiple vendors. Protolabs helps you:

Accelerate development cycles

Consolidate quality control

Reduce transport and handling risks

Ensure seamless process alignment


This integrated approach is ideal for medical devices, consumer products, industrial systems, electronics and other component-driven assemblies.


FAQs

What types of parts can be assembled at Protolabs?
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We can assemble parts produced through:

  • Injection moulding
  • CNC machining
  • 3D printing

Bought-in components such as fasteners, pads, stickers and tapes can also be included in your assembly.

What industries benefit from Protolabs’ assembly services?
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Assembly is commonly used in:

  • Medical devices and diagnostics
  • Electronics and enclosures
  • Industrial equipment and machinery
  • Consumer products and IoT devices
  • Prototyping and pilot builds
What are the benefits of assembling with Protolabs?
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  • Manufacturing and assembly at one location
  • Reduced logistics time and cost
  • Consistent quality across all components
  • Design for assembly feedback at upload
  • Faster turnaround compared to managing multiple suppliers
  • Streamlined supply chain with a single point of contact
Do you offer minimum order quantities?
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No. Protolabs operates with no minimum order quantities, making assembly suitable for prototyping, low-volume production and ongoing manufacturing.

Can I combine injection moulded, CNC machined and 3D-printed parts in one assembly?
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Yes. Our assembly services are designed to integrate components from multiple manufacturing processes, giving you complete flexibility during design and development.

How do I get a quote for assembly?
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Simply upload your CAD files and select the required manufacturing and assembly options. Our system provides automated design feedback, and our engineering team can support more complex assembly requirements.