Engineering, Inc.

  Model 520 Semi-Automatic
Drill Point Splitter/Web Thinner
Wide-Web Helical
Split/Notched
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For more detailed information view is online Winslow 520 catalog or right click and download this PDF flle for viewing at your leasure.
   
  • Quick setup; simple design; hydraulic feed
  • Bushing supports drill during grinding
  • Manual index of drill against timing pins
  • Automatic, self-compensating, tracer-type dresser duplicates dresser cam form onto wheel
  • Meets NAS 907 specifications

Maximum hourly production rate:
400 drills of 5/16" (8 mm) diamter

Adjustments:
Notch relief angle: 35° to 65°
Notch rake angle: Splitting -20° to +8°

Split capacity:
3/32" to 1/2" (2.4 to 12.5 mm)

Web thin capacity:
5/16" to 3/4" (8.0 to 19.0 mm)

Grinding wheel:
Horizontally mounted; 20" (510 mm)

Spindle power:
2 HP (1.5 kW), 1800 RPM

Floor space:
52" x 36" (1.32 x .91 m)

Weight: 1,500 lbs. (675 kg)