RotorTool Switzerland
 
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Main - Line
D esign
  • Surfaced hardened body
  • Ground tapers conform to DIN 228 AT3
  • Through-hardened spindle made out of high-grade steel
  • Spindle mounted by two needle bearings
  • Thrust ball bearings to accommodate axial loads
  • Over-pressure security through disc springs
  • Reliable lip seal
Main-Line
S izes
  • Morse Tapers no. 1 to 7
  • Various metric tapers
 
M odels
  • SM (small) small body, for light pieces and higher turning rates
  • ST (standard) for normal rates
  • SU (super) for heavy duty loads and low turning rates
 
M aintenance

All ROTOR-Centres are manufactured with continuous lubrication. (Klüber Isoflex Topas NCA52)
Concentricity tolerance needs to be messured according the manual.

 
R evisions

The Centre can be returned to the manufacturer for reconditioning. With the ROTOR repair set (spindle, front bearing and seal) you receive an almost new centre for approximately 30% of the exfactory price.

Selfmade revisions have to be executed by qualified personal and have to been done exactly as it is written down in the revision manual.

 
E rror Correction
Problem Answers General information and possible causes Answers
Spindle floating axially The axial pressure exerted on the centre is transferred through the thrust bearing onto spring washer. The spindle has to have axial movement.
Centre is generation heat The spindles of ROTOR Centres are mounted through roller bearings front and rear. Roller bearings carry more weight and generate higher temperatures than ball bearings, maximum 120°. Change spindle and bearings during routine maintenance?
A relatively high temperature does not harm the bearing.
Eccentricity of 60° point The concentricity check must agree to drawing 30.0001.23. The regrind of 60° point in the assembled stage is not possible. Check concentricity against drawing 30.0001.23. Exchange bearings and spindle during maintenance.
Burned 60° point The size of workpiece centre hole must be large enough for the spindle to have definite rotation. Was the centre hole large enough to accelerate/retard the spindle?
Broken 60° point The size of workpiece centre hole must be large enough to carry workpiece weight. Did the size of the Centre-hole was large enough?
© by ROTOR TOOL GmbH   2005