Cylindrical grinding machines Series GD by QD
Cylindrical grinding machines Series GD by QD include models GD-3080A, GD-3080B, GD-5020A, GD-5020B—reliable and high-precision equipment engineered to efficiently handle both small-batch and mass production tasks. All models share a modern control system, robust construction, and a high degree of automation, while differing in specifications, configuration, peripherals, and optional equipment.
Use the table below to quickly compare key specifications and select the machine that best fits your production requirements.
Specifications
Basic feauturies
Control
Manual
Grinding
external
Capability
Distance between centers
300mm
Center height
115mm
Grinding length
300mm
Diameter of cylindrical grinding
2mm — 80mm
Max. weight of workpiece
10kg
Diameter of internal grinding
-
Grinding stone
Min. size of grinding wheel
180mm x 25mm x 75mm
Max. size of grinding wheel
250mm x 25mm x 75mm
Linear rotation speed of the grinding wheel
35m/sec
Working table
Swivel angle
-5° / 9°
Feeding speed
0.1m/min — 4m/min
Table stroke
320mm
Headstock
Morse cone
MT3
Spindle speeds range
-
Tailstock
Morse cone
MT3
Engines and power supply
Total motor power
3.16kW
Accuracy
Grinding roundnessОкруглость шлифования磨削真圆度
0.002μm
Best surface roughness of grinding
0.25μm
Identity of internal diameters of longitudinal sections
-
Overall dimensions and weight
Weight
1000kg
Overall length
1360mm
Overall width
1240mm
Overall height
1000mm
Spindle for internal grinding
Morse cone
-
Spindle speeds range
-
Specifications
Basic feauturies
Control
Manual
Grinding
external + Inner
Capability
Distance between centers
300mm
Center height
115mm
Grinding length
300mm / 65mm
Diameter of cylindrical grinding
2mm — 80mm
Max. weight of workpiece
10kg
Diameter of internal grinding
12mm — 60mm
Grinding stone
Min. size of grinding wheel
180mm x 25mm x 75mm
Max. size of grinding wheel
250mm x 25mm x 75mm
Linear rotation speed of the grinding wheel
35m/sec
Working table
Swivel angle
-3° / 7°
Feeding speed
0.1m/min — 4m/min
Table stroke
320mm
Headstock
Morse cone
-
Spindle speeds range
-
Tailstock
Morse cone
MT3
Engines and power supply
Total motor power
2.34kW
Accuracy
Grinding roundnessОкруглость шлифования磨削真圆度
0.002μm / 0.005μm
Best surface roughness of grinding
0.25μm / 0.63μm
Identity of internal diameters of longitudinal sections
-
Overall dimensions and weight
Weight
1000kg
Overall length
1360mm
Overall width
1240mm
Overall height
1000mm
Spindle for internal grinding
Morse cone
MT3
Spindle speeds range
15000rpm
Specifications
Basic feauturies
Control
Manual
Grinding
external
Capability
Distance between centers
-
Center height
-
Grinding length
500mm
Diameter of cylindrical grinding
8mm — 200mm
Max. weight of workpiece
50kg
Diameter of internal grinding
-
Grinding stone
Min. size of grinding wheel
280mm x 203mm x 50mm
Max. size of grinding wheel
400mm x 203mm x 50mm
Linear rotation speed of the grinding wheel
38m/sec
Working table
Swivel angle
-5° / 9°
Feeding speed
0.1m/min — 4m/min
Table stroke
500mm
Headstock
Morse cone
MT4
Spindle speeds range
25rpm — 380rpm
Tailstock
Morse cone
MT3
Engines and power supply
Total motor power
5.625kW
Accuracy
Grinding roundnessОкруглость шлифования磨削真圆度
1.5μm
Best surface roughness of grinding
0.32μm
Identity of internal diameters of longitudinal sections
5μm
Overall dimensions and weight
Weight
2500kg
Overall length
2500mm
Overall width
1600mm
Overall height
1500mm
Spindle for internal grinding
Morse cone
-
Spindle speeds range
-
Specifications
Basic feauturies
Control
Manual
Grinding
external + Inner
Capability
Distance between centers
-
Center height
-
Grinding length
500mm / 125mm
Diameter of cylindrical grinding
8mm — 200mm
Max. weight of workpiece
50kg
Diameter of internal grinding
30mm — 100mm
Grinding stone
Min. size of grinding wheel
280mm x 203mm x 50mm
Max. size of grinding wheel
400mm x 203mm x 50mm
Linear rotation speed of the grinding wheel
35m/sec
Working table
Swivel angle
-5° / 7°
Feeding speed
0.1m/min — 4m/min
Table stroke
640mm
Headstock
Morse cone
-
Spindle speeds range
25rpm — 380rpm
Tailstock
Morse cone
MT4
Engines and power supply
Total motor power
5.625kW
Accuracy
Grinding roundnessОкруглость шлифования磨削真圆度
1.5μm / 2.5μm
Best surface roughness of grinding
0.32μm / 0.63μm
Identity of internal diameters of longitudinal sections
5μm / 8μm
Overall dimensions and weight
Weight
2500kg
Overall length
2500mm
Overall width
1600mm
Overall height
1500mm
Spindle for internal grinding
Morse cone
-
Spindle speeds range
14000rpm