Proto Plastics has invested heavily in our total Quality Management system. We are a Preferred Supplier to a number of major manufacturers who have zero tolerance for non-conforming parts and materials. Our technical staff has an in-depth knowledge of ANSI standard Y14.5 (GD&T) and extensive experience, training and capability in mechanical inspection. We continually meet and exceed the procedural and documentation requirements of ISO-9001:2008.
All purchased products that are incorporated into Proto Plastics final products are subject to a detailed technical Quality Control (Q.C.) inspection. Material certifications are kept on file for all incoming shipments of thermoplastic resins.
Before a new part can be released to production, it goes through a qualification process that varies in intensity depending on customer requirements, engineering complexity and quality constraints. The qualification methods may include some or all of the following:
Throughout the production cycle, plastic injected molded components and assemblies are checked to verify their compliance with all required specifications. Typical verification and inspection processes include dimensional, functional and/or destructive tests.
Our Inspection Lab features state-of-the-art equipment to ensure compliance with the most demanding part and assembly specifications and tolerances:
To ensure compliance and continual improvement, our quality assurance system is monitored through a variety of techniques, as appropriate for a particular process and its importance. These include:
Proto Plastics maintains an exceptional closed loop engineering and quality management document and data control system. A company wide intranet is utilized to make key engineering standards, quality standards and information available to all personnel.