YAMA SEIKI

TRAVELING HEAD CNC CYLINDRICAL GRINDER


Variation ( Opt. ) GRW-B series

Application :
Plunge / Angular grinding for O.D. / I.D.

GRW-C series

Application :
Camshaft / Cam grinding

GRW-S series

Application :
Spline / Keyway grinding


Traveling Head Grinding Examples
Combine Plunge and Angular Grinding in One

The specially designed GRW series form YAMA SEIKI is suitable for both plunge grinding and angular grinding. It helps the customer to save investment cost, dramatically upgrade machining efficiency and create more profits.


機械規格
CAPACITY GRW-4006 GRW-4010 GRW-4015 GRW-4020
Distance between centers 630 mm ( 24.8" ) 1,030 mm ( 40.5" ) 1,530 mm ( 60.2" ) 2,030 mm ( 79.9" )
Max. swing over table Ø 420 mm ( 16.5" )
Max. load between centers 750 kg ( 1653 lb )
Max. external grinding diameter Ø 400 mm ( 15.7" )
Roundness 1.5 μm
Machine positioning accuracy ≤ 2 μm
WHEEL SPINDLE
Swivel angle 0° ~ 35°
Wheel O.D. x width x I.D. Ø 600 x Max. 100 x Ø 203 mm ( Ø 23.6" x Max. 3.9" x Ø 8" )
Wheel spindle travel 220 mm ( 8.6" )
Max. travel 230 mm ( 9" )
Min. setting unit 0.001 mm ( 0.00004" )
Max. rapid traverse speed 6 m/min. ( 236 IPM )
Grinding feed rate 0.0001 - 6,000 mm/min. ( 0.0001 - 236 IPM )
WORK TABLE
Swivel angle -3˚ ~ +12˚ -3˚ ~ +8˚
Max. travel 630 mm ( 24.8" ) 1,030 mm ( 40.5" ) 1,530 mm ( 60.2" ) 2,030 mm ( 79.9" )
Max. rapid traverse speed 10 m/min. ( 394 IPM )
Min. setting unit 0.001 mm ( 0.00004" )
Grinding feed rate 0.0001 - 8,000 mm/min. ( 0.0001 - 315 IPM )
WORK-PIECE SPINDLE
Spindle motor Swivel angle
Swivel angle +90˚ ~ -30˚
Center taper MT#5
TAILSTOCK
Travel 35 mm ( 1.4" )
Center taper MT#5
MOTOR
Axes drive motor X-axis 3.5 kW ( 4.7 HP )
Z-axis 4.5 kW ( 6 HP )
Wheel spindle motor 15 HP 6P
Work-piece spindle servo motor 3 kW ( 4 HP )
Hydraulic pump 2 HP
Coolant pump 1/4 HP
GENERAL
Dimensions 4,200 x 3,000 x 2,000 mm ( 165.3" x 118.1" x 78.7" ) 4,500 x 3,000 x 2,000 mm ( 157.5" x 118.1" x 78.7" ) 5,000 x 3,000 x 2,000 mm ( 196.8" x 118.1" x 78.7" ) 5,600 x 3,000 x 2,000 mm ( 220.5" x 118.1" x 78.7" )
Net weight 6,500 kg ( 14,300 lb ) 7,200 kg ( 15,870 lb ) 8,000 kg ( 17,630 lb ) 8,900 kg ( 19,620 lb )

Also available with
GRW-4025 / 4030、
GRW-6006 / 6010 / 6015 / 6020、
GRW-8006 / 8010 / 8015 / 8020.
Please contact with YAMA SEIKI for more information.
Specifications are subject to change without notice.