CNC Spherical Grinding Machine QM2280 Technical Parameters
Products Description
CNC BALL VALVE GRINDING MACHINE used for grinding processing of spherical surface.
Introduction : This equipment is used for grinding of spherical surface, who use grinding stone or grinding wheel to grind the surface of the ball quickly and efficiently, so as to achieve the required size and surface finish of the ball, and the spindle speed of our machine is high, and each part is highly precision.
Technical Parameters Of QM2280 Workpiece Sample
| Max Ball Grinding Diameter | mm | Φ1400-φ2250 | |
| Max Ball Bore Diameter(≈) | Inch | 40’’-60″ | |
| Distance between top central line to the table | mm | 1350 | |
| Max Ball Weight | Kg | 18000 | |
| The power of Main Spindle Motor | kw | 132 | |
| Main Spindle Rotating Speed Range | Rpm | 80-800 | |
| The Power of the lathe-head Motor | kw | 37 | |
| lathe-head Rotating Speed Range | Rpm | 6-125 | |
| The Journey of the X/Z direction | mm | 1100/900 | |
| The adjusting range of the tailstock | mm | 1300 | |
| Head/tail stock apex | Cylinder | ||
| The precision of orientation of X/Z axis | mm | ±0.02 | |
| The precision of repeat orientation of X/Z axis | mm | ±0.01 | |
| Ball Roughness degree | Ra | 0.4~0.3 | |
| Ball Roundness | mm | <0.04 | |
| Approx. Dimension(LxWxH) | mm | 7500×5500×3500 | |
| Approx Net Weight | Kg | 110000 | |

Appliable Ball Types:
As per Ball Materials: Casting Valve Balls, Forged Valve Balls,
As per Ball Structure : Hollow Valve Balls, Solid Valve Balls,
As per Ball Design: Floating Valve Balls, Trunnion Valve Balls, Stem Valve Balls,V Port Valve Balls (Segement Balls),
T Port Valve Balls, L Port Valve Balls, F Port Valve Balls, X-Port Valve Balls,
L-STEM, X-STEM, T-STEM, Double Slot T Port, Special Slot, F Port Three Ways,
Three Way Valve Balls, Hexangular Valve Balls, Hemi Valve Balls,
Plate Balls, Metal Seat Valve Balls and Seats,
AS per coating materials : TCC Valve Ball, HVOF Valve Ball, Chrome Valve Ball, Stetllite Valve Ball
Grinding Ball Size: 1/2”-60” Class 150~Class 2500 PN10-PN420
Base Material: Carbon Steel, Stainless Steel, Alloy Steel
ASTM A105, ASTM A350 LF2, ASTM A182 F304, ASTM A182 F316,ASTM A182 F304L, ASTM A182 F316L,ASTM A182 F6A,
ASTM A182 F51, ASTM A182 F53,ASTM A564 630(17-4PH) Inconel 625,Inconel 690,Inconel 617,Inconel 718,Model 1400 etc
Coating Materials:
Features of QM2280 Ball Grinding Machine
The QM2280 CNC spherical ball grinding machine is equipped with advanced control system and high-precision spindle, ensuring stable operation and consistent grinding quality. It is widely used in ball valve manufacturing and precision spherical component production.





