Fully Automatic I.D. Centerless Stone Lapping Machine

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

Standard application range :
- Outer ring : OD 100 - 300 x Breadth 10 - 100 mm x Raceway taper angle 0° - 60°

AN-300EA

Application

1) Taper roller bearing

2) Cylindrical roller bearing

3) Double row cyl roller bearing

4) Double row taper roller bearing

Main Features

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

Work piece: Taper roller bearing outer ring

Machine Specifications

1) Work piece
Outer ring raceway for single row taper roller bearing
Outer ring raceway for single/double row taper roller bearing
2) Machining range
O.D. 100 - 300 mm
Width 10 - 100 mm
Raceway taper angle 0 - 60°
3) Work piece support system
O.D. roller centerless support system
4) Machining method
Infeed type, Traverse cut & Plunge cut
5) Main spindle unit
Revolution 800 rpm (Max.)
Automatic multi-step change-over
Right/left movement amount Right 17 mm, left 3 mm (against reference surface)
Drive Motor Inverter control
6) Stone lapping unit
Oscillation unit
Oscillation frequency 0 - 2,000 fpm
Automatic multi-step change-over
Amplitude Replaceable oscillation ring
Drive Motor Inverter control
Traverse unit
Stroke 350 mm
Drive Motor AC servomotor
Angle adjustment unit
Angle adjustment amount Counterclockwise 0 - 30° viewed from the upside of the machine, motor drive
Position detection mechanism by encoder and auto-clamping unit
Motor Inverter control
Front/back movement amount
Stroke 520 mm, motor drive
Position detection mechanism by encoder and auto-clamping unit
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) Work carrier unit
Stroke 500 mm Slide shift system, hydraulic drive
9) Pressure roller unit part
Clamp arm movement amount 40 mm Hydraulic drive
Movement amount in diameter direction 70 mm Motor drive
Movement amount in width direction 210 mm Motor drive
10) Roller support part
O.D. roller centerless support system
11) Machine size
(W)2,500×(D)3,300×(H)1,765 mm
12) Machine weight
6,500 Kg

Note : Specifications are subject to change without notice.