Technical Details: Data sheet roller burnishing tool for plane surface

Plane surface roller burnishing tool PRG

Application plane surface from 2 mm
Standard fixture cylindrical shank or morse taper

 

Options

  • Tailormade fixture, HSK etc.

Application parameters

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

Workpiece allowance up to 0.01 mm
Tool preclamping up to 4 mm
Lubrication emulsion or oil; filtration of the lubricant (<40 μm) can improve the surface quality and the tool life
Speed up to 50m/min. referred to the biggest rolling diameter
Feed rate 0.1 - 0.3 mm/rev
Retention time 5 - 20 revolutions
Pre-machining of workpiece surface roughness (Rz) up to 15 μm
Workpiece hardness up to 45 HRC


 

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Tool assembly and handling

Plane surface roller burnishing tool

Type PRG

  1. Fixture
  2. Sleeve
  3. Cage
  4. Taper
  5. Rollers
  6. Rolling unit, (conversion kit for other diameters including item (3/4/5)(7)
  7. Axle
  8. Pin
  9. Clamping screw for taper
  10. Clamping screw for axle
  11. Spring

 

Changing components

Rollers

Loosen clamping screw (9) and lift out the cage (3) and the taper (4) towards the front. Loosen clamping screw (10) lift the cage with the axle from the taper. Replace the rollers (5) in sets and remount the unit.

Tip Coat the roller seats with some grease so that the rollers are held in place by the grease during the assembly. When replacing the rollers, clean the cage and the taper. Check them for damage, run-in marks, rough spots etc. and replace worn out components. Worn cages or tapers can considerably reduce the service life of the rollers.

 

Taper

Loosen clamping screw (9) and lift out the cage (3) and the taper (4) towards the front. Loosen clamping screw (10) lift the cage with the axle (7) from the taper. Replace the taper and remount the unit.

Tip When replacing the taper, clean the cage and the roller. Check them for damage, run-in marks, rough spots etc. and replace worn out components. Worn cages or rollers can considerably reduce the service life of the taper.

 

Cage

Loosen clamping screw (9) and lift out the cage (3) and the taper (4) towards the front. Loosen clamping screw (10) lift the cage with the axle (7) from the taper. Replace the cage and remount the components.

Tip When replacing the cage, clean the tool interior and grease it lightly. Dirt particles, in particular chips, reduce the tool life and the quality of the roller burnishing results.

 

Tool for smoothening and strain hardening of plane surface.
Internal springs generate the required rolling force. The value of the rolling force is defined by the preload of the tool. The spring characteristics can be adapted to the requirements of the workpiece.

 

Advantages

  • very short machining time
  • both workpiece or tool can be driven
  • high productivity
  • fast return of investment
  • easy to maintain
  • compact dimensions