A field-proven cold runner system for the runnerless molding of LSR and other thermoset elastomers made its stateside debut at the MD&M West trade show in Anaheim, CA (Jan. 29-31). It's from D-M-E Co. (Madison Heights, MI), which reportedly has been proving out the system in its European field of operations since the early 1990s.The system's nozzles are adjustable by volume for optimal filling
A principle that removes stress by incorporating designs that allow components to move in the mold.One of the most difficult and challenging mold design issues is how to reduce or eliminate wear in injection molds. After all, the more wear that occurs, the higher the mold repair costs and/or the shorter the life of the mold. It’s a given that both the mold designer and the mold builder are c
Fast time-to-market and product development work with OEMs hone California moldmaker’s competitive edge. Looking back on 25 years in moldmaking, George Payton might conclude that he was always in training for the job that became his calling: owner and president of his own business, Dauntless Molds Inc. (Covina, CA), a specialist in the medical market. Payto
After standardization, automation will create the largest increase in profits that any one area can produce.Today we are faced with rising labor costs, a shortage of skilled workers and ever-growing competition from low-wage countries; yet we still yearn for the one ingredient to separate ourselves from our competitors. This means we must change, but change does not have to be expensive or painful
An in-mould labelling technique uses a magazine mounted on a rotary table and a side entry robot to place a label in the mould while simultaneously removing a moulded containerSandretto UK has recorded an increase in sales of its automated In Mould Labelling (IML) systems in 2007. The company believes that this technology will continue to be popular in 2008. * Robotic system - the Sandretto system
Rotational Molding begins with the melting of a plastic resin in a closed mold. Unlike most other plastic processes, no pressure is involved. The three-stage process includes loading the resin in the mold, heating and fusion of the resin and cooling and unloading the mold. After the charged mold is moved into an oven, the mold is rotated on two axes at low speed. As heat penetrates the mold, the r
Twin Sheet Forming utilizes top and bottom molds into which two heated sheets are formed and then welded together under pressure to form a hollow part.
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