China Ball Grinding Machine

1.1 Technical description
SMG100H is a kind of medium size CNC ball grinding machine. The machine can automatically complete the surface grinding process in a single set-up and suitable for the ball parts ofφ260~φ630. The machine mainly consists of bed, column, spindle box and NC rotary table. Machine movements are as follows: the slide does the X-direction movement, column does the Z-direction movement and spindle box does the Y-direction movement.
Workpiece is fixed on the table which is fixed on the slide and rotaries with the table. Grinding head is installed on the spindle and the grinding process is completed through the grinding head and table rotation.
1.2 Basic parameters
ItemUnitParametersRemarks
Grinding range (dia) 75-350mm or 2~8″ball valve
Worktable(dia)320 mm;
Worktable speed 60rpm
Worktable Max. load capacity 350kg
Spindle center to worktable 150~350mm;
Travel(Y/Z)200/500 mm
Spindle speed 6000 rpm
Spindle motor 15 kW, Spindle taper 1:4;
Rapid feed speed(Y/Z-axis) 18/20m/min
Cutting feed speed 1~5000 mm/min
Positioning accuracy (Y/Z-axis):0.008/0.008mm
Repeatability (Y/Z-axis):0.004/0.004mm
Finishing Workpiece roundness <0.8um
Finishing Workpiece Ra <0.2um
Power capacity:35 KV A,
Cooling tank capacity:600L
Machine Dimension (l xw xh): 2350x2100x2750mm
Net weight:6000kg
1.3 Standard configuration
No.NameQtyRemarks
1SIEMENS 828D1
2Hand-held operating unit1
3Water tank1
4Hydraulic center1
5Automatic lubrication system1
6Ball grinding head(Grinding piece not inc.)One set of each 2 3 4 6 8
7Tri-color lamp1
8Lighting system1
9Accessories1
11Standard technique documents2Paper and CD documentation
12base installation package1
R&D Department