Electric surface grinder with DRO MD820

Model

MD820

Working table

Table Size (L× W)

mm

480×200

Max movement of working table(L× W)

mm

530×220

T -Slot (number×width)

mm

1×14

Grinding head

Max distance from spindle center to table surface

mm

440

Wheel Size(Outer diameter×width×Inner diameter)

mm

φ200×20×Φ31.75

Wheel speed

50HZ

r/min

2850

60HZ

3440

Feed amount

Longitudinal speed of working table

m/min

3-20

Cross feed of working table

Continuously(Variable Transmission)

mm/min

300

Intermittently(Variable Transmission)

mm/times

0-5

Per revolution on handwheel

mm

2.5

Per graduation on handwheel

mm

0.02

Vertical feed on handwheel

Per revolution

mm

1.25

Per graduation

mm

0.01

Commutation feeder

Total input power

w

150

X- feeder output speed

R/min

0-225

X- feeder size

mm

280×130×120

Y- feeder output speed

R/min

0-120

Y- feeder size

mm

280×130×120

Motor power

Spindle motor

kw

1.1

Coolant pump motor

w

40

Working precision

The parallelism of working surface to base level

mm

300:0.005

Surface roughness

μm

Ra0.32

Weight

Net

kg

767

Gross

kg

867

Overall dimension(L×W×H)

mm

1680x1140x1760

Package dimension(L×W×H)

mm

1140x1250x1940