Fully Automatic Centerless O.D. Stone Lapping Machine

for machining of inner ring raceway for single-row taper roller bearings, and machining of inner ring raceway for single and double-row cylindrical roller bearings

Standard application range :
- Inner ring : OD 90 - 240 mm x Breadth 33 - 85 mm x Raceway taper angle 0° - 60°

AN-300EB

Main Features

  • Infeed system with selectable plunge or traverse machining
  • Inner diameter shoe/roller centerless support system provides good parallelism and squareness against the mounting reference plane

Work piece: Taper Roller Bearing Inner Ring

Machine Specifications

1) Work piece
Inner ring raceway for single row taper roller bearing
Inner ring raceway for single/double row cylindrical roller bearing
2) Machining range
O.D. 90 - 240 mm
Width 33 - 85 mm
Raceway taper angle 0 - 60°
3) Work piece support system
I.D. shoe roller centerless support system
4) Machining method
Infeed type, Traverse cut & Plunge cut
5) Main spindle unit
Revolution 1,000 rpm (Max.)
Automatic multi-step change-over
Right/left movement amount Right 22.5 mm, left 2.5 mm (against reference surface)
Drive Motor Inverter control
6) Stone lapping unit
Oscillation unit
Oscillation frequency 2,000 fpm (Max.)
Automatic multi-step change-over
Amplitude Replaceable oscillation ring
Drive Motor Inverter control
Traverse unit
Stroke 150 mm
Drive Motor AC servomotor drive
Angle adjustment unit
Angle adjustment amount Clockwise 0 - 30° viewed from the upside of the machine, motor drive
Position detection mechanism by encoder and auto-clamping unit
Drive Motor Inverter control
Lifting unit
Stroke 150 mm motor drive, position detection mechanism by encoder
Drive Motor Inverter control
7) Stone head
Pressure stroke 20 mm Pneumatic drive
Stone pressurization Electropneumatic regulator control/Back pressure control system
Automatic multi-step change-over
8) Bore reference unit
I.D. shoe centerless support system
Stroke 100mm Hydraulic drive
9) Work carrier arm part
Swing arm system, hydraulic drive
10) Machine size
(W)1,800×(D)2,634×(H)2,032 mm
11) Machine weight
4,000 Kg

Note : Specifications are subject to change without notice.