Sterling Manufacturing Inc.

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Featured Products

Thermoplastic Injection Molding

Engineering & CAD Design
Prototype & Production
Ultrasonic WeldingHot Stamping
Packaging & Assembly

CAPACITY 28 to 550 TON CUSTOM MOLDING

Line

Reliable equipment . . . versatility . . . consistent output of the highest quality.

Sterling wide-range press capacity: 28 to 550 tons
Sterling wide-range press capacity: From 28 to 550 tons.

Sterling technology custom-molds the very finest thermoplastic products.

Manufacturing

State-of-the-Art Performance

Sterling Manufacturing creates custom, quality, precision-molded thermoplastic components . . . from concept to finished product.

Prior to going on-line, new molds are checked carefully and first shots undergo rigid examination. Our tooling experts are always ready to make mold changes or other improvements without production delays.

Our 24 injection molding machines range from 17 to 700 ton clamp, and carry the most reliable, respected and innovative names in the business; Arburg and Cincinnati-Milicron. (A complete, current, detailed listing of our molding machines, and auxiliary, assembly and tool room equipment can be found in the front of this brochure.)

Because we employ several different size presses, we can easily match press capacity to a variety of precision requirements, from 1/10th of a gram to 10 pounds. Two examples: A tiny micrometer gear that has an overall diameter of .137"/.004" to a 6 pound computer keyboard.

After each run all molds are inspected and cleaned. Worn parts are replaced and your mold is safe-guarded for future use and immediate scheduling.

For efficiency and economy, we're equipped to handle jobs which require semi-automation, preliminary sorting for quality control and/or finishing, robotics, and total machine automation.

Competitive costs through robotics, automation and equipment modifications.

A worker carefully cleaning a custom molded piece.
Consistent high quality through careful, scheduled mold maintenance and cleaning.

To keep your product cost as low as possible, we are continually modifying and improving our equipment with automation and robotics that perform more efficiently. Proven new developments in materials and technology are incorporated into our manufacturing processes on a regular basis.

SUPERIOR PRODUCTION VERSATILITY

At Sterling Manufacturing, we can accomplish quick changeovers in minimum setup times. Versatility, production schedule flexibility and a talented staff enable us to manufacture (and assemble if needed) molded products in a wide range of sizes and colors for a diverse group of clients.

Some of these products include ring binders, project containers, noise-suppression helmets that are worn by aircraft carrier flightdeck crews, underwater communications boxes for divers, smoke detector and time recorder housings, and signal light markers for air-sea rescue operations.

Our versatility and quick-response manufacturing flow configuration allow us to handle long runs, as well as the shorter runs which other molders cannot fit into their schedules.

A worker demonstrating decorative hot stamping.
Decorative hot stamping of a time card rack.

We mold components for computers, educational products, educational toys, measuring equipment, hand tools, office products and instruments for medical technology.

Sterling adaptability: Manufacturing schedules . . .

. . . and secondary operations to meet your requirements.

Top quality products at competitive costs have earned Sterling Manufacturing satisfied clients. We invite you to talk with them.

A worker demonstrates ultra-sonic welding.
Ultra-sonic welding of hearing protection units.

SPECIALIZED FINISHING

Secondary finishing operations include decorative hot stamping, ultra-sonic welding, ultra-sonic insertion, milling, the application of tapes and static neutralization, intricate component assembly, and packaging. We can provide you with component sub-assemblies or finished pieces.

Our rapid expansion since our company's inception in 1968 is due in no small part to the personalized service that we provide every customer from the beginning. We look forward to offering a bid on your next job.

Milicron machines at Sterling Manufacturing Co.

Sterling Manufacturing Inc.
P.O. Box 1205 • 640 Sterling Street (Route 62)
 South Lancaster, MA 01561
Tel: (978) 368-8733 • Fax: (978) 368-1407