ECOROLL Skiving Heads - Type SK & GZ

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Skiving

ECOROLL Skiving Heads - Type SK & GZ

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Type SK & GZ

Type SK: – Skiving head. – Tool retainer. 

Type GZ: – Burnishing head. – Adjusting device. – Tool retainer.

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  • Skiving and roller burnishing run as separate, subsequent processes.
  • Generally used on deep hole drilling machines.
  • For short cylinders (L/Ø ≤ 15), complete processing with tool types SKIO and GZ on CNC-controlled lathes and machining centers possible (see the following chapter).

 

Type SK:

– For fi nish processing or preparation for roller burnishing .

– High performance indexable inserts.

 

Type GZ:

– Any metal material that can be plastically formed, with hardnesses up to 42 to 45 HRC, can be roller burnished.

– Used on deep hole drilling machines.

– After the process, the burnishing head automatically retracts and the tool can be quickly removed without damaging the workpiece.

  • ECOROLL's SK skiving head is used in combination with the internal roller burnishing tool type GZ for finish machining cylinder liners.
  • Skiving and burnishing are separate processes.
  • For use on deep-hole boring machines with BTA boring systems.
  • Used as finish machining or as preparation for roller burnishing.
  • Good adherence to pre-set bore axis due to radial floating skiver. 
  • High-performance indexable cutting insert.
  • Reliable function, high degree of accuracy.
  • Depending on the workpiece, diameter tolerances of  IT8 to IT9 are possible.
  • Good compliance with pre-defined bore axis by radially floating knives.

 

Type SK:

– Can achieve a surface quality of RZ = 5 – 20 µm.

– Radially fl oating skiving knife allows good adherence to the specifi ed bore axis.

 

 Type GZ:

– Can achieve a surface quality of RZ < 1 µm.

– Short cycle time. – Diameter adjustment is easy and reproducible.

– Wear parts are easy to exchange.

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