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Centerless

Plunge or Infeed Grinding

 

Plunge grinding is a simple form of grinding process comparable to conventional cylindrical plunge grinding. During the plunge operation the workpiece
does not make any axial movement, and the regulat­ing wheel is dressed parallel to the grinding wheel. The workpiece is placed into the grinding gap from above. In most case the grinding wheel is in accordance with the form of the workpiece. The regulating wheel may also be dressed in accordance with the form of the workpiece in order to avoid flex­ing or bending of the workpiece.

 

Through-feed grinding

 

In this process, the axis of the regulating wheel is inclined in relation to the axis of the grinding wheel This inclination causes the workpiece to obtain an axial feed motion that makes it pass continuously across the grinding wheel periphery. The angle of inclination, ranges between 1 and 7 degrees, depending on the required feed rate – the greater the angle of inclination, the higher the feed-rate becomes. The feed-rat is also determined by the rpm of the regulating wheel. We have the possibility how to calculate the actual feed-rate can be found in the process.

 

Advantages

  • Up to 2 – 3 times higher material removal rate Q’w Respecto a?
  • Up to 3 – 5 times longer service life between two dressing cycles Respecto a?
  • Cycle times improved up to a factor of 2
  • Perfect surfaces at maximum material removal capacity
  • Significantly reduced risk of grinding abuse
  • Doubled material removal rate Q´w
  • Up to 45 % faster cycle time per part
  • Half the dressing amount
  • Perfect surfaces at maximum material removal capacity
  • Up to 6 times more parts per dressing cycle
  • Minimal risk of burning

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