Manufacturing, a division of The Metal Ware Corporation

Plastic Injection Molding

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Injection Molding
Injection Molding

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At NESCO / The Metal Ware Corporation, our plastic injection molding capabilities include not only straight injection molding, but compression injection molding and overmolding as well. We work with a variety of thermoplastic materials, such as ABS, acetal, nylon, and polyethylene, among others, to provide components used in the food service, small appliances, arts and crafts, gardening, sporting and other industries.

Using compression injection molding processes, very tight tolerances can be held for even complex and unique contours. The result of compression injection molding is an extremely accurate part with low stress characteristics and no sink marks. However, this process is more complex than straight injection molding and as such, requires advanced machinery and a comprehensive knowledge of plastic molding. We have both the expertise and experience needed to assist customers in selecting the ideal molding process for their application.

Overmolding allows us to produce multi-component assemblies with exceptional durability and seamless aesthetics. Inserts used in the overmolding process can be stamped in-house, injection molded out of thermoplastic, sourced externally, or provided by the customer. The overmolding process is extremely versatile and provides a great deal of design freedom, as it allows engineers to create designs with multiple materials. In this way, metal or high strength plastics can be used where strength is required, while tactile types of polymer materials can be used on the outer surface of the part.

As a vertically integrated company, we can provide any level of design, engineering, sourcing, manufacturing, and inventory management support needed for a range of product types and production volumes. All lead times are evaluated on a job by job basis, depending on the complexity and volume of the project. Custom inventory management programs can be arranged to meet any scheduling requirements. For additional information about our plastic injection molding capability, see the table below, or contact us directly.

Plastic Injection Molding Capabilities

Molding Capabilities
Straight Injection Molding
Compression Injection Molding
Insert Molding
Press Rating
Injection Molding: 55 to 820 Tons
Injection Compression Molding: 55 to 400 Tons
Maximum Length
Up to 55”
Maximum Width
Up to 51”
Materials
ABS
Nylon
Polyethylene
Polypropylene
Phenolic
Polycarbonate
Acetal
Numerous Thermoplastics Available
Finishing Options
Stenciling
UV Stenciling
Screen Printing
Hot Stamping
Pad Printing
Additional Services Provided
Tooling Design
Engineering Support
Metal Stamping
Rubber Extrusion
Assembly
Welding
Packaging
Distribution
Production Volume
Prototype
Low Volume
High Volume
Typical Lead Time
Quoted on a Job by Job Basis

Additional Information

Industry Focus
Appliance
Small Appliance
Food Service
Arts & Crafts
Hobby
Gardening
Sporting
Industry Standards
UL
CSA
CE
NSF International
Public Health & Safety Organization
Precision Metalforming Association (PMA)
File Formats
AutoCAD
Pro-E
Paint Shop Pro
BobCAD

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