With over 35 years experience in plastic injection molding, Harrington Mold has the experience and know-how to be your plastic injection molding partner. All of our plastic injection molds meet or exceed industry standards for quality.

It’s all about teamwork at GC Mold. GC Mold’s in-house talent can help take your project from rough idea to finished product, and we’ll do it quickly and economically.

GC Mold has a full service machine shop to build the precision tools you need. We design complex plastic injection molds to produce tight tolerance plastic components and custom shapes. Whatever your design we can build the tooling you need.

Contact Harrington Mold today for a quote on injection molding and design services!

– Top-of-the-line quality
– Fast job turnaround
– Bottom-line cost savings

Industries Served
– Medical
– Electronics
– Industrial
– Aerospace
– Defense

We have full service capabilities including mold making and plastic molding manufacturing, and a comprehensive mold management and mold maintenance program.

Offering full mold design and plastic molding services, our advanced facility is equipped with automated, three axis, VMC centers and sinker EDM’s. we can generate the models for you – we will generate a complete 3D tool design and using CNC 3-axis machining, wire EDM technology, and the skills of our experienced mold makers to ultimately meet your mold build and specified surface finish requirements using such applications as Mold-Tech texture or a high polish SPI type of requirement – Ex mould will deliver you the mold that meets your needs.

We also possess a dedicated grinding shop that can make and fix molds measuring up to 32X60X43 inches, and weighing up to 12,000 pounds. And, with our advanced tooling capabilities, we can manufacture both assembly and welding fixtures.

Our advanced injection mold tooling design, manufacturing, and repair services encompass a variety of capabilities, such as 2D or 3D CAD modeling, prototyping, inspection, design and engineering. We also offer full technical support and comprehensive tool history documentation, available upon request.

Both shifts of our Tool Department are well adapted to the rigorous demands of tight tolerances and short lead-times, whether your need is for prototypes or high volume production tooling.
Custom Injection Mold Making Services
Custom Plastic Injection Molding Services

Precision Mold Making Capabilities
General Capabilities
CAD Modeling (2-D, 3-D)
Design
Engineering
Inspection Testing
Tool History Documentation
Technical Support
Injection Mold Types Single Shot Plastic Molding

3 Axis CNC Vertical Machining Center(VMC)
CNC Sinker EDM
Turning Capabilities
Dedicated Grinding Shop Inspection Gauges/Fixtures
Assembly Fixtures
Welding Fixtures
Automation Equipment
Industry Standards ISO 9001:2008
International Organization for Standardization
UL
Material Applications Aluminum
Stainless Steel
Steel Alloys
Production Volume
Specialty Production Shop
Low Volume
Small Run
High Volume Large Run
Long Run
Large Scale Production Volume Run
File Formats AutoCAD (DWG)
BMP
Bit Mapped Graphics
DXF
Drawing Interchange Format, or Drawing Exchange Format
GIF
Graphics Interchange Format
IGES
Initial Graphics Exchange Specification, ANSI file format.
JPG or JEPG
Joint Photographic Experts Group
PDF
Portable Document Format
Pro-E or Pro/Engineer (DRW,PRT)
Solid Works (SLDPRT,SLDDRW,SLDDRT)
STEP
Standard for the Exchange of Product Model Data
Mold Length

Max
60 in.
Mold Width
Max
32 in.

Mold Height
Max
45 in.
Mold Weight
Max
12,000 lbs.
Mold Tolerance (+/-) Down to 0.0001 in.

If you want to know more information about plastic molding please go to https://en.wikipedia.org/wiki/Injection_moulding

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