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Blind and Through Hole – PTSC

Internal roller burnishing tool

for blind hole and through hole

 

 What revolution speed and what feed rate …
The graph below shows the revolution speed and the feed rate for the whole diameter range of the IRG-2-S.

Technical details: Type IRG-2-S from Ø 4.9 – 20.8 mm

 

 

 

Internal roller burnishing tool IRG-2-S

 

Application blind hole and through hole
Diameter range 4.9 – 20.8 mm
Adjustment range -0.1 up to +0.2 mm
Rolling depth 30, 50, 100 mm
Rollers
Diameter Type Quantity Dimension “X”
4.9 – 6.8 mm S-1680 3 0.5 mm
6.9 – 8.8 mm S-2010 4 0.5 mm
8.9 – 11.8 mm S-2714 4 0.5 mm
11.9-15.8 mm S-3718 4 0.7 mm
15.9-20.8 mm S-4722 4 0.7 mm
Standard fixture cylindrical shank Ø 10 – 20 mm
Morse taper 1 to 4

Options

  1. Fixture with clamping surface; VDI; HSK etc.
  2. Different rolling depth
  3. Different number of rollers
  4. Tailor made rollers
  5. Internal coolant from Ø 8 mm

 

Application parameters

Please note that this information represents standard values which must be adapted to the individual cases.
Workpiece allowance :  up to 0.02 mm

Tool preclamping : up to 0.05 mm

Rotation direction of tool :  clockwise (M3)

Return traverse :  always in rapid traverse (G0)

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 tolerance IT8 or better

Workpiece hardness  : up to 45 HRC

 

Tool assembly and handling

 

IRG-2-S

Internal roller burnishing tool

Type IRG-2-S

  1. Fixture
  2. Sleeve
  3. Cage, bearing assembly
  4. Taper
  5. Rollers
  6. Rolling unit (conversion kit for other diameters including item 3/4/5)
  7. Clamping screw for taper
  8. Clamping screw for sleeve
  9. Locking Ring