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Grease Working Machine:

  • Simplification of the exhausting grease working procedure for shear stability tests
  • Speedy and convenient operation: 60 strokes per minute; automatic index counter indicates the number of strokes
  • Setup according to ASTM D217 and FTM 791-313 (optional)
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The automatic grease working machine GWM 5 simplifies the exhausting grease working procedure necessary for preparing greases and other semi-solid materials for shear stability tests.
The comparison between penetration and other rheological test values of fresh unworked and worked samples indicates the shear stability of the material.
The grease working machine GWM 5 is suitable for either single or double worker operation.

Key features

Benefits at a Glance

  • Individual auto-stop setup (max. 999,999 strokes)
  • Emergency stop button
  • Chucks for the quick connection and release of the cups on the machine base plate
  • Stainless steel grease cup
  • Grease worker with quick coupling of cup and lid for semi-fluid, slack and semi-solid greases (optional)
  • Worker plate with 270 holes, FTM-type (optional)

Convenient Operation

  • The machine works at a speed of 60 strokes per minute.
  • An automatic index counter continuously indicates the number of strokes.
    This six-digit stroke counter can be preset and will stop the machine automatically.
  • The centrally located emergency stop button is easy to reach for both left- and right-handed users.

Customized User Flexibility

  • The most popular worker type is a heavy duty cup with screw coupling lid and
    51-hole plate according to ASTM D217 etc.
  • Another available option is a worker with a quick coupling or 270-hole worker plate according to FTM 791-313.

Technical specifications

Test places 2
Speed 60 strokes per minute
Worker With screw coupling and 51-hole plate
Power supply 230 V, 50 Hz/60 Hz or 115 V, 60 Hz, 600 W
Dimensions 360 mm x 330 mm x 680 mm (W x D x H)
Weight approx. 42 kg


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NBR 11345










K 2220



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