This moldmaker flies high with a combination of specialized processes and modern technologies required for the extremely tight tolerances and exotic material concerns in the aerospace industry.Tech Tool & Molded Plastics (Meadville, PA) has made a name for itself these past 34 years by catering to a number of industries—aerospace amongst them—with the manufacture of a variety of co
Teknor Apex, Pawtucket, R.I., has introduced what it calls the first TPEs that comply with regulations aimed at preventing the transmission of so-called "mad cow disease." Two series of Uniprene and Monprene TPEs comply with the requirements because they contain no animal-derived materials (ADMs) such as lubricants based on beef tallow. Potential applications include medical tubing, syri
Two new resins are touted as breakthroughs in stereolithography (SL) rapidprototyping and rapid-manufacturing materials in that they boast a much closer approximation of thermoplastic ruggedness and durability. Typical SL resins are more brittle than PP, ABS, PC, and nylon and often grow more brittle over time, making them unacceptable for direct manufacturing. Until now, other "rapid" t
A new PFA from Dyneon, Oakdale, Minn., features higher flow for easier production of small injection molded components and extruded wire and cable. Chemically stabilized Dyneon PFA 6515 T is more processable than previous PFA grades and also has improved flexural fatigue resistance and greater stress-crack resistance. The fluoropolymer also offers improved mechanical properties for chemical proces
Recent cutting tool innovation—as well as new CAM programming techniques—make plunging a more popular approach.By Tom RaunPlunging—or as it has been recently called in the Midwest, stomping—typically has been an approach saved for long reach roughing applications. When performing roughing applications there are many ways to get the job done—from basic “Z”
PennEngineering®, Danboro, Pa., has served complaints on six fastener manufacturers that attended the National Industrial Fastener Show/West in Las Vegas in November.The complaint alleges that the six companies, four Chinese, one Taiwanese, and one American, exhibited and offered for sale products that violate PennEngineering's trademarks and patents. PennEngineering said it asked a federal di
Tape placement is an advanced composites process that orients resin preimpregnated high-strength reinforcement fibers in specific directions. Part weight is minimized by concentrating high strength in only the directions needed. It is widely used in the fabrication of high strength/weight ratio parts in the aerospace industry such as aircraft wing and body skins,control surfaces, spacecraft and mi
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