Application The most common assembly process for composite parts is compression molding. Material is inserted between coordinated metal dies and then pressed together under a high amount of force. Challenge The customer was previously using hydraulic presses and running into issues with inconsistent parts. The customer needed to be …
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Li-Ion Batteries Move a Step Closer to Perfection
Lithium ion batteries (li-ion batteries) are the technology of choice for applications ranging from handheld electronics to “plug-and-drive” vehicles and back-up power systems for server farms and other critical systems. Their performance characteristics are the result of a very delicately balanced set of chemical, electrical, and physical …
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How to Stop Overpaying for Functional Quality
Mention “quality” and the almost certain response is “tighter dimensional tolerances.” But, with today’s machine tools able to mass produce parts with tolerances we couldn’t even measure just a few years ago, that is quickly becoming a dead-end street. It leads ultimately to a dimensionally perfect product that nobody can afford to buy because of …
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Hydraulic Pressure Relief Valve is Assembled and Tested via EMAP
Valve manufacturers today are able to inspect parts during assembly rather than after to produce near-perfect fluid pressure relief valves. The Promess Electro-Mechanical Assembly Press (EMAP) uses no pneumatics or hydraulics; instead, press motion is initiated by a servomotor and ball screw. A computer monitors the press ram’s position …
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How To Evaluate an Electric Press
Since Promess introduced its first electric servo-controlled press system in 1991, the success of this technology in intelligent assembly and test systems has spawned a number of competitive products in the market. When there was only one product to consider, the choice was easy. Today, it is a bit more complicated. There are …