The machine has four identical spindles mounted in separate heads, two with horizontal adjustment, and two with vertical adjustment. The spindles can be readily arranged to deal simultaneously with two, three, or four holes, and to cover a wide range of wheels of varying diameters. Cutter spindle speeds range from 12 to 69 rpm. suitable for dealing with holes from 1-1/2 to 6 in. dia. The drive is by means of two separate 15-hp constant-speed motors with worm reduction gears and two eight-speed change gearboxes. As well as trepanning the large sprag holes, the machine is also capable of drilling smaller holes in disc wheels.

  • Corporate Authors:

    Temple Press Limited

    161-166 Fleet Street
    Longon EC4,   England 
  • Publication Date: 1955-9-2

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Filing Info

  • Accession Number: 00039647
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Dec 4 1994 12:00AM