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 58 - 125 mm x Breadth 18 - 60 mm x Raceway taper angle 0° - 60°

AN-200B-NC

Main Features

  • Infeed system with selectable plunge or traverse machining
  • Inner diameter shoe centerless support system provides good parallelism and squareness against the mounting reference plane
  • Stone lapping of inner ring raceways for tapered and cylindrical roller bearings

Machine Specifications

1) Work piece
Inner ring raceway of single-row taper roller and single and double-row cylindrical roller bearings
2) Machining range
O.D. 58 - 125 mm
I.D. 40 - 160 mm
Width 18 - 60 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 Max. 850 rpm Stepless,
Rough/Finish automatic two-step change-over
Drive Motor Motor Inverter control
6) Bore reference unit
Stroke 80mm Hydraulic drive, front/back adjustment slide
7) Raceway stone lapping unit
Oscillation unit
Oscillation frequency Max. 2,500 fpm Stepless,
Automatic multi-step change-over
Amplitude Replaceable oscillation ring
Drive Motor Inverter control
Traverse unit
Traverse slide part Cross roller guide system
Stroke 150 mm
Drive Motor AC Servomotor
Lifting unit Position detection mechanism by encoder
Stroke 150 mm
Position detection mechanism by encoder
Drive Motor Inverter control
Angle adjustment unit
Angle adjustment amount 0 - 30° Clockwise
Position detection mechanism by encoder and auto-clamping unit
Drive Motor Inverter control
8) Stone head
Automatic slide stone head
Stone pressurization Electropneumatic regulator control
Automatic multi-step change-over
9) Delivery unit inside M/C system
Rotary carrier system (hydraulic drive)
10) Machine size
(W)1,640×(D)1,750×(H)2,037 mm
11) Machine weight
2,900 Kg

Note : Specifications are subject to change without notice.