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Recent content by NIKT1

  1. NIKT1

    harden 1144 steel shaft

    Thank you all for your comments. We will consider all of these comments before finalizing the process specs. Thanks again! NIKT1
  2. NIKT1

    harden 1144 steel shaft

    I want to harden an 1144 shaft spline to 32-38 Rc. The shaft spline is 0.875 diameter and 2.12 inches long at the end of a 16.00in. ling shaft. Using available charts, I specified induction harden at 1500 deg F with oil quench and draw (temper) at 900 deg F for 1 hour. Does this sound OK? I...
  3. NIKT1

    Locked rotor test for a 1000 HP DC motor

    Veejay729: Before testing, you need to answer a few questions: What is being tested? Is it the control's short-term capability to deliver locked rotor current? Does the control have a bypass contactor for 100% on-time, or is current electronically limited by current sensing and reducing...
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