Technical details: Variable diamond burnishing tool for internal use


Variable diamond burnishing tool for internal use

Application holes and internal contours
Standard fixture cylindrical shank Ø 20/22/25/32/40 mm
Swiveling range 210 °
Indexing 42 x 5°


  • Fixture VDI, HSK etc.
  • Tailor made diamond shape
  • Assembly device

Application parameters

Please note that this information represents standard values which must be adapted to the individual cases.

Speed up to 150 m/min
Feed rate 0.05 — 0.2 mm/rev
Workpiece allowance up to 0.02 mm
Tool pre-load up to 1 mm
Lubrication emulsion or oil; filtration of the lubricant (< 40 μm) can improve the surface quality and the tool life
Pre-machining of workpiece surface roughness (Rz) up to 15 μm

Suitable for hard machining


Variable diamond burnishing tools for internal use
are non-intrinsic tools for smoothening and work hardening of shafts and internal contours. Due to the swiveling diamond these tools are quite versatile.



  • universally useable
  • suitable for hard machining and thin walled workpieces
  • slim design enables the application in small spaced machine tools
  • spring loaded diamond
  • changeable diamond insert
  • regrinding of the diamond is possible



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