Like metal casting, liquid resin casting usually starts with a male pattern, often produced from aluminum, which is fastened to a flask. A liquid mold material, such as epoxy, urethane or MY silicone is poured in. One pattern can make an unlimited number of molds. Liquid resin is then poured into the mold to produce a part. Unlike metal casting, liquid resin casting captures significantly more det
Pressure Forming is a sophisticated version of the vacuum forming process utilizing air pressure as a forming aid to increase the detail on the mold side. Features that could not be achieved by vacuum alone can be molded with pressure forming. The result is a product with the look and feel of an injection or structural foam molded part at a price close to a vacuum-formed one. The mold makers s
Continuous strip molding (or reel-to-reel molding) is used to efficiently manufacture and assemble small electronic components and other parts that combine tiny metal and plastic components. The process uses a feed reel and a take-up reel: a continuous metal "carrier" strip is precisely indexed off the feed reel, passes through an injection mold and onto the take-up reel. The molded part
Vacuum forming simply requires the heating of a sheet of plastic until it reaches a forming temperature then utilizing a vacuum to form it into or around a mold. It has been used widely for products from camper shells to cold drink cups.
Thermoforming involves the controlled heating of a thermoplastic material to a temperature where its shape may be altered to the shape of the mold. The physical change to the preheated thermoplastic is accomplished by vacuum, air, pressure or direct mechanical force. Once the sheet assumes the desired shape of the mold design, it is allowed to cool on the mold.
Metal fabrication skills meet needs of composites manufacturing in a range of high-tech operations.Business is booming in aerospace and defense, fueled by record demand for aircraft and by advances in weapon systems that are remaking military capabilities. One technology that’s playing a growing role in both industries is composites, typically carbon or glass fiber-reinforced thermosets and
A process has been developed that uses a “touch tool” combined with a NextEngine 3-D scanner (Santa Monica, CA) to determine a mold parting line. The process was created in response to the challenge of efficiently identifying and transposing into a digital format the parting line of an organically shaped mold object.The process was designed by Reynald Chaput, owner of Ideas in 3D (Torr
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