shenwai sw900b

  1. Ulma Doctor

    Zero Backlash LH Trapezoidal Thread Cross Slide Nut, From Delrin

    My good ol' Shenwai SW900B is showing signs of excessive slop at the dial. excessive slop for me is right around .050" after pondering materials to construct a new nut from, delrin was immediately apparent. its tough and structurally sound, it's easy to get and cheaper than other materials...
    • Ulma Doctor
    • Thread
    • cross slide nut delrin zero backlash nut metric acme thread shenwai sw900b trapezoidal pitch leadscrew ulma doctor
    • Replies: 40
    • Forum: ULMA DOCTOR
  2. Ulma Doctor

    VFD Retrofit - Shenwai SW900B 1236 Lathe

    I finally got around to doing the retrofit on my Shenwai SW900B 1236 lathe it came with a 1.5 hp(ish) 115v/220v single phase motor, as the OEM powerplant. i had to change that :grin: i surfed the site that sounds a lot like E-PAY, and found an inverter rated 2 hp motor by Marathon, very...
    • Ulma Doctor
    • Thread
    • shen zhen 9000 shenwai sw900b ulmadoctor vfd retrofit
    • Replies: 3
    • Forum: ULMA DOCTOR
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