A useful RFQ gives engineering, purchasing, quality and the molder one controlled basis for the quote. Image: ThisIsEngineering / Pexels. Quick answer A quote-ready injection molding request for quotation (RFQ) defines the approved part, the demand, the acceptance rules and the commercial basis. Give suppliers controlled drawings and computer-aided design […]

Custom injection molding project guide Start with a testable product—not a tooling deposit A strong project moves through controlled gates: requirements, DFM, mold design, samples, process validation, and production release. Photo: The robotic engineer1 / Wikimedia Commons, CC BY-SA 4.0. Quick answer Start a custom injection molding project by defining

Tolerance strategy · mold cost · process capability · inspection Tighter injection molding tolerances cost more when they demand variation below the stable capability of the chosen part, resin, mold, process, and measurement system. The increase is nonlinear. One functional tight feature may be economical; a blanket tight drawing can

Tooling budget · DFM · mold architecture · quote comparison · lifecycle cost Estimate custom plastic tooling costs by defining the part and production duty, selecting a plausible mold architecture, and pricing every cost block. Use a low, base, and high range with written assumptions. Do not approve a mold

Injection molding design guide Wall thickness controls more than strength It changes filling, packing, cooling, sink marks, voids, warpage, cycle time, dimensions, and the width of the production window. Quick answer Plastic part wall thickness should be appropriate for the exact resin, load, flow path, appearance, tool, and process—and kept