Product Description
Δ This machine is a two axis (X-axis, Z-axis) CNC Internal Grinder, which is mainly used to grind the inner hole, step hole, iner end face and outer end face of the work piece. The grinding cycle is completed automatically
(with automatic feed,withdrawal , rough grinding and finegrinding); Automatic dressing of grinding wheel,automatic compensation, etc.).
Δ The machine tool is fixed by the work piece box, the worktable moves left and right.and the grinding wheel frame do the back and forth fedingmovement. The movement of the worktable and grinding wheel frame is driven by the servo motor through the ball crew, both of which adoptlinear guide rails.
Δ The rotation speed of work piece spindle and grinding wheel spindle are controlled by frequency converer to reaize stepless speed regulaton.
Δ The machine tool adopts a front movable operation box and an independent electrical cabinet. The protective cover shell has two differentstyles of semi closed or fully closed for users optional.
(with automatic feed,withdrawal , rough grinding and finegrinding); Automatic dressing of grinding wheel,automatic compensation, etc.).
Δ The machine tool is fixed by the work piece box, the worktable moves left and right.and the grinding wheel frame do the back and forth fedingmovement. The movement of the worktable and grinding wheel frame is driven by the servo motor through the ball crew, both of which adoptlinear guide rails.
Δ The rotation speed of work piece spindle and grinding wheel spindle are controlled by frequency converer to reaize stepless speed regulaton.
Δ The machine tool adopts a front movable operation box and an independent electrical cabinet. The protective cover shell has two differentstyles of semi closed or fully closed for users optional.
| Model of machine tools | GK250 | |
| The range of grinding diameter of hole(mm) | 100-500 | |
| Maximum grinding depth (mm) | 500 | |
| Swing diameter of work piece (mm) | Inside the shell(mm) | 510 |
| Outside the shell (mm) | 720 | |
| The maximum stroke of feeding slide(mm) | 200 | |
| The maximum stroke of workbench(mm) | 730 | |
| Maximum rotation angle of lather head(° ) | 30° | |
| Rotating speed of work piece (r/min) | 30-500stepless speed regulation | |
| Rotating speed of grinding wheel (r/min) | 2000-10000(stepless speed regulation) | |
| Motor power of workpiece(kw) | 4 | |
| Motor power of grinding wheel(kw) | 5.5 | |
| Motor power of X-axis servo motor(kw) | 2 | |
| Motor power of Z-axis servo motor(kw) | 4 | |
| The power of oil pressure motor (kw) | 0.55 | |
| Cooling motor power (kw) | 0.09×2 | |
| Rated power(kw) | 17.8 | |
| Maximum speed of workbench m/min | 6 | |
| Grinding speed m/min | 0-4 | |
| Feed speed of grinding wheel m/min | 5 | |
| X-axis minimum resolution mm | 0.001 | |
| Z-axis minimum resolution (mm) | 0.001 | |
| Maximum load capacity of workpiece (kg) | 300 | |
| Flow of cooling pump(L/min) | 30 | |
| The pressure of hydraulic system (MPa) | 0.4 | |
| Flow of oil pump(L/min) | 25 | |
| The weight of machine tools(kg) | 5600 | |
| Machine overall dimension(mm) | 4000× 1900×2000 | |
| Roundness of internal hole(um) | 3 | |
| Machining precision | Cylindricity of internal hole(um) | 5 |
| Surface roughness of internal hole (um) | Ra0.63 | |
| Roughness of end face(um) | Ra0.8 | |
Δ horizontal internal/cylindrical grinding machine
Δ vertical grinding machine
Δ surface grinding machine
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