Model No.

M1420

MW1420

　Item No.

G2120-21

G2122-23

　Specifications

　Distance between centers (mm)

520/750

500/750

　Center height (mm)

118 mm

135 mm

　Dia. Ground (O.D) (mm)

8~200 mm

5~200

　Dia. Ground (I.D) (mm)

13~80 mm

25~100

　Max. length ground (O.D) (mm)

520/750 mm

500/750 mm

　Max. length ground (I.D) (mm)

125 mm

125 mm

　Max. weight of work piece (mm)

50 mm

100 mm

　Workhead

　Swiveling angle

+90°

+90°

　Center taper (MT)

3 MT

4 MT

　Spindle speed (r/min)

60/85/230/120/170/460

25~380 stepless

　Wheelhead

　Wheel spindle speed

1820 r/min.

1670 r/min.

　Wheelhead rapid travel

20 mm

50 mm

　Max. travel

150 mm

205 mm

　Swiveling angle

-180° ~ +30°

+10°

　Hand feed per. rev (mm)

1 mm

rough:2 fine:0.5

　Hand feed per. gra (mm)

0.00125

Rough:0.01 fine:0.0025

　Wheel size (O.DxWxlD) (mm)

400 x 40 x 203 mm

400 x 50 x 203 mm

　Peripheral velocity

35 (m/s)

35 m/s

　Internal grinding device

　Spindle speed (r/min.)

1400 r/min.

10000/15000 r/min.

　Dimension of wheel (mm)

Max: 50x25x13 min:17x20x6

Max: 50x25x13 min:17x20x6

　Table

　Hand feed per. rev

6 mm

6 mm

　Max swiveling angle
　of table

　Clockwise

5°(520) 3°(750)

3°

　Anticlockwise

9°

9°(500) 8°(750)

　Longitudinal speed range of table

0.1- 4 m/min.

0.1~ 4 m/min.

　Tailstock

　Center tape

3 MT

4 MT

　Quill travel

25 mm

30 mm

　Motor

　Wheelhead motor power (kw)

3 kw

4 kw

　Internal grinding (kw)

The same motor with wheelhead motor

1.1 kw

　Workhead motor power (kw)

0.25/0.37 kw

1.1 kw

　Machine

　Gross weight (t)

2.4t (520) 2.9t (750)

4.1t (500) 4.3t (750)

　Packing dimension (cm)

192x145x205(520)
213x145x205(750)

235x203x205(520)
275x203x205(750)