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Custom Injection Molds, Managed From Quote to Completion

New England Molding provides customer-owned prototype and production molds for custom injection-molded parts. Our engineering team manages each tooling project from design-for-manufacturability review through mold construction, sampling, revisions, final approval, and production qualification.
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Your Mold. Your Asset.

The customer pays for and owns the finished mold. New England Molding manages the tooling project from beginning to end, but the completed mold remains the customer’s asset.
Our team serves as your single point of contact throughout the project, eliminating the need for you to coordinate directly with multiple engineering, tooling, and manufacturing resources.

Tooling for a Wide Range of Applications

Through our network of vetted and validated moldmaking partners, New England Molding provides custom tooling based on each project’s complexity, production requirements, budget, and schedule.

Our tooling capabilities include:

  • Steel production molds
  • Aluminum and prototype molds
  • Single-cavity molds
  • Multicavity molds
  • Family molds
  • Hot-runner systems
  • Cold-runner systems
  • Insert-molding tools
  • Overmolding tools
  • Unscrewing molds
  • Complex production tooling

From Part Design to a Production-Ready Mold

Step 1

Part Review and Quotation

Provide your part design, CAD files, material requirements, estimated volumes, and quality specifications. We review the project and generally quote both the customer-owned mold and estimated per-part production pricing.

Step 2

DFM Review and Approval

Our engineering team reviews the customer-supplied design for manufacturability and recommends changes that may improve moldability, consistency, and cost. The customer reviews and approves the DFM before mold construction begins.

Step 3

We Make Your Mold

Our engineering team works closely with our vetted and validated moldmaking partners throughout every stage of construction. We manage the technical details, project schedule, sampling, and revisions to deliver a finished mold that produces parts meeting your approved requirements.

Step 4

Trial Sampling and Revisions

All trial runs and sample rounds required to complete the mold are included in the quoted tooling price. We review the samples, provide them to the customer for evaluation, and manage any necessary mold corrections until the parts meet the approved requirements. Customer-requested part-design changes made after steel has been cut may result in additional cost and lead time.

Step 5

Part Approval and Mold Transfer

Sampling and revisions continue until the molded parts meet the applicable customer specifications and quality requirements. Once the parts are approved by the customer and New England Molding, the mold is transferred to our Concord, New Hampshire facility.

Step 6

Qualification and Production

Our team qualifies the mold, develops documented molding parameters, and submits preproduction samples for final approval. IQ/OQ/PQ validation is available when required. Full production begins after the required samples and documentation have been approved.

Design for Manufacturability Support

New England Molding reviews customer-supplied part designs from an injection-molding and manufacturability perspective. We identify features that may create molding challenges, increase tooling costs, or contribute to quality problems.
Our team provides practical recommendations to improve moldability, repeatability, and production efficiency. When more extensive design assistance is needed, we can connect the customer with qualified product-design and engineering resources.
New England Molding provides recommendations from a manufacturability perspective. The customer retains responsibility for the final part design, specifications, intended use, performance requirements, and approval of all design changes and molded samples.

Tooling and Production Pricing

Along with the mold quotation, New England Molding generally provides estimated per-part production pricing based on the design, material, mold configuration, production volume, and anticipated cycle time available at the time of quotation.
Production pricing may be adjusted if the part design, material, tooling configuration, production requirements, or validated molding cycle changes during development.

Ready to Start Your Tooling Project?

Send us your part drawing, CAD file, material requirements, expected production volumes, and quality specifications. Our team will review the application and provide a quotation for your customer-owned mold and production requirements.
REQUEST A TOOLING QUOTE