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About Sinclair

 

"What We Do"


Sinclair Manufacturing Company was founded by John C. Sinclair in 1946.
From a screw machine job shop, the company diversified into metal stampings and light assembly. Inspired by a new design for light sensitive relays, Sinclair began manufacturing hermetic glass-to-metal seals in the early 1960's.

Today, 70 years after opening its doors, Sinclair remains a family-owned business. The company continues to rely upon its traditional expertise in machining and toolmaking in order to produce hermetic packages to the highest possible standards, utilizing either glass or ceramic seals. Capabilities are continuously enhanced to ensure that Sinclair customers receive the quality and reliability they have come to expect.

Applications of the company's products routinely help fulfill aerospace, defense, medical and other high reliability component requirements.

Sinclair serves customers worldwide from it's 40,000 square foot manufacturing and administrative facility located in Chartley, Massachusetts - 35 miles south of Boston.

Sinclair in-house manufacturing expertise includes:

· Complete engineering facilities
· SolidWorks 2016 CAD software for rapid design
· SolidWorks Simulation / Flow Simulation Software
· FANUC-controlled High Speed CNC Vertical Milling Machines
· SolidWorks & AutoCAD compatible CNC programming systems
· Computerized Engraving / Serializing System
· Computerized Optical Inspection / Measurement System
· Computerized Coordinate Measuring (CMM) System
· Computerized X-Ray Imaging System
· Extensive toolmaking experience for virtually any component, shape or configuration
· Thousands of tools available to our customers
· Press department with presses up to 600 ton capacity
· Screw Machine department with Brown & Sharpe machines
· Proprietary glass and ceramic sealing processes
· Carbon machining department with CNC capabilities for rapid & accurate fabrication of assembly fixtures

Most importantly, the employees of Sinclair, many with more than 20 years experience within the glass-to-metal seal industry, ensure that all fabricated components meet or exceed specifications. Sinclair produces packages to the highest quality levels attainable.

From prototypes to production runs, custom packages or designs chosen from one of the largest collections of "open" tooling in the industry, Sinclair is pleased to work with you. Family owned with pride since 1946, Sinclair Manufacturing Company is small enough to care, and diverse enough to be your valuable business partner.


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