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  1. rwill19050

    Solidworks New Ad

    You should have been invited to a short seminar where the functions are explained / shown. You will then be given a free unlimited copy on the understanding you use it only to train yourself. It has a watermark system, but otherwise fully functional. If you contact the guy below he will be only...
  2. rwill19050

    AutoCAD Alternative

    Have a look at TurboCad. Version 7.1 is a freeby, so you can evaluate it. It has built in handling for all sorts of 'external' programs (MS suite) Richard
  3. rwill19050

    I am looking for 3phase motor calculations.....................

    Here are some useful 3 Phase fomulae. 1) kW = kVA x power factor 2) kW = (hp x 746) / (1000 x efficiency) 3) kW = (line amps x line volts x 1.73 x pf) / 1000 4) kVA = kW / pf 5) kVA = (hp x 746) / (1000 x efficiency x pf) 6) kVA = (line amps x line volts x 1.73) / 1000 7) Line amps = (kW...
  4. rwill19050

    SOFT PLC Vs Conventional PLCs

    You should never, ever rely on software only for safety interlocking, especially if human operators could be endangered by the system being controlled. Always use an approved 'stand alone' system.
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