Technical Details: Data sheet roller burnishing tool for internal taper

Internal taper roller burnishing tool IRG-K

Application internal taper from 4 mm
Standard fixture cylindrical shank or Morse taper

Options

  • Tailor made fixtures 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

Type IRG-K

  1. Fixture
  2. Sleeve
  3. Cage, including bearing, spring, locking ring
  4. Taper
  5. Roller
  6. Rolling unit (conversion kit for other diameters including item 3/4/5)
  7. Pin
  8. Clamping screw for sleeve
  9. Locking Ring
  10. Spring

 

Changing components

Rollers

Remove the locking ring (9) and lift out the cage (3) towards the front until the rollers (5) are clear. Replace the rollers in sets and remount the components.

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 it 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

Please Note: The fixture is preloaded by the spring. Loosen the clamping screw (8) and lift out the taper (4) and the fixture (1) out of the sleeve (2). Remove the pin (7). Remove the fixture and the spring (10) from the taper. Coat the parts with some grease before reassembling.

Tip When replacing the taper, clean the cage and the rollers. 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

Remove the locking ring (9) and lift out the cage (3) towards the front. 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 t he roller burnishing results.

 

Tool for smoothening and strain hardening of internal tapers.
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