Sieg SX3 quill fine feed

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Sieg SX3 quill fine feed

Home Forums General Questions Sieg SX3 quill fine feed

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  • #335114
    Martin 100
    Participant
      @martin100

      I've had an X3 mill for quite a few years now but in an idle moment wondered how the fine feed on the SX3 is coupled /decoupled from the quill handle such that the worm is not jammed solid when the quill handle is used.

      Can't see anything obvious on the exploded view nor the dismantling guide on the arceuro website

      Sieg SX3 Exploded Parts Diagram

      Sieg SX3 Dismantling Guide

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      #25735
      Martin 100
      Participant
        @martin100
        #335115
        Oldiron
        Participant
          @oldiron

          Usually a splined/dog clutch operated via the knob on the end of the main 3 spoke handle.

          regards

          #335116
          JasonB
          Moderator
            @jasonb

            Part 120 is a small handwheel that when done up locks the worm gear to the spindle quill feed which is then driven by the fine feed handwheel worm at the front. When it is loose the quill "drilling" handles can rotate freely and they drive the quill.

            See "Fine feed locking knob" on the SX2.7

            photo 5.jpg

            Edited By JasonB on 03/01/2018 15:22:43

            #335233
            Martin 100
            Participant
              @martin100

              Many thanks all.

              #371266
              Paul Lousick
              Participant
                @paullousick59116

                The quill fine feed is engaged with a friction clutch arrangement when you tighten the locking knob. (shown here in model with cover removed).

                sieg sx3 drive head.jpg

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