M618A,M820,M1022

Surface Grinding Machine

Quality castings and precision ball bearing supporting the spindle.
Coolant system with nozzle and flow control valve.
Cast iron machine body and stand for maximum rigidity and smooth operation.

Specifications		M618A	M820	M1022
Table Size (LxW)		460x180mm	480x200mm	540x250
Max. movement of working table (LxW)		500x190mm	530x220mm	560x260
T-Slot number x width		1x14mm	1x14mm	1x14mm
Max. distance from spindle center to table surface		335mm	440mm	420mm
Wheel size (Outer diameter x Width x Inner diameter)		180x13x31.75mm	200x20x31.75mm	200x20x31.75mm
Wheel speed	50Hz	2850r/min	2850r/min	2850r/min
Wheel speed	60Hz	3440r/min	3440r/min	3360r/min
Vertical feed on handwheel	Per revolution	1.25mm	2.5mm	4.0mm
Vertical feed on handwheel	Per graduation	0.01mm	0.02mm	0.02mm
Cross feed on handwheel	Per revolution	2.5mm	1.25mm	1.25mm
Cross feed on handwheel	Per graduation	0.02mm	0.01mm	0.01mm
Spindle motor		1.1kW	1.1kW	1.5kW
Coolant pump motor		40W	40W	40W
The parallelism of working surface to base level		300:0.005mm	300:0.005mm	300:0.005mm
Surface roughness		Ra0.32μm	Ra0.32μm	Ra0.32μm
N.W./G.W.		650/750kg	750/850kg	850/950kg
Packing size		100x115x176cm	114x125x194cm	120x140x194cm