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  1. dougwatchorn

    Tonnage requirements for press coining

    Does anybody have information for calculating the tonnage requirements for different strip materials when coining? I work with progressive dies and often need to calculate tonnage requirements for stamping and coining - I have information for stamping but none for coining. Thank you in advance...
  2. dougwatchorn

    Heat transfer / electrically insulated material

    I need to find a material that gives great heat transfer rates yet is electrically insulated. The application places the material in between two .030" thick brass terminals of opposite poles in a household device running 15amps on a 120V circuit. For UL certification the device will be subjected...
  3. dougwatchorn

    Aluminum Bronze vs Silicon Bronze

    WHich is better suited to being used as guideways in high speed mechanical slides? Currently we spec Silicon Bronze, but our sister company in the UK is having trouble locating a distributor, but they can get Aluminum Bronze. I need to advise if this is a good replacement but can't find any...

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