CNC cylindrical grinder is designed with high efficiency, high accuracy and maximum operational convenience in mind.
The machine structure design fully meets ergonomic theorem for user-friendly operations. Rigid and stable construction, as well as a special wheel spindle design are combined with advanced CNC control to make cylindrical grinding easier and more accurate than ever before.
Rigid work spindle head
The rigid constructed spindle head employs high precision bearings assuring maximum spindle stability. It guarantess outstanding accuracy for external and internal diameter grinding (opt.) and face grinding.Precision wheel spindle
The grinding wheel spindle is precisely machined form high quality alloy steel, normalized, tempered, carburized and sub-zero treated, precisely ground and mirror-effect treated. Non-deformation, maximum wear resistance and lifetime accuracy are assured.Wheel spindle hydro-static bearing
The hybrid hydro-static bearings are used for the wheel spindle. Metal-to-metal contact will never occur with these highly rigid bearings design and also avoid vibration.Tailstock lubrication system
An automatic oil bath lubrication system has been provided for the tailstock to maintain high-level accuracy. An oil level gauge enables quick oil status checking.
| OCD-3240 | |
|---|---|
| Capacity | |
| Swing over table | Ø320 mm |
| Distance between centers | 400 mm |
| Max. grinding diameter | Ø300 mm |
| Max. load held between centers | 100 kg |
| Wheel | |
| O.D. x width x I.D. | Ø405 x 50~75 x Ø127 (Ø152.4 (opt.)) mm |
| Linear velocity | 45 M/s |
| Wheelhead | |
| Rapid feedrate | 10 M/min |
| Min. input increment | 0.0001 mm |
| Internal grinding (opt.) | Manual elevation |
| Table | |
| Rapid feedrate | 10 M/min |
| Min. input increment | 0.0001 mm |
| Swiveling angle | 0° ~ 12° |
| Workhead | |
| Swiveling angle | -30° ~ +90° |
| Center | MT. 4 |
| Speed | 5~800 r.p.m. |
| Max. load of spindle (tool holder included) | 35 kg (max. length : 150 mm) |
| Tailstock | |
| Center | MT. 4 |
| Tailstock stroke | 25 mm |
| Controller | FANUC |
| Motor | |
| Wheel spindle | 5.5 kW (4 P) |
| Work spindle | 0.8 kW (AC servo motor ) |
| Wheelhead feed | 1.2 kW (AC servo motor) |
| Table feed | 1.8 kW (AC servo motor) |
| Hydraulic pump | 0.37 kW (4 P) |
| Wheel spindle lubricant | 0.37 kW (4 P) |
| Coolant pump | 0.18 kW (2 P) |
| Internal grinding wheel spindle (opt.) | 0.75 kW (2 P) |
| Tank | |
| Wheel spindle bearing lubricant | 18 L |
| Lubrication oil tank | 18 L |
| Lubrication oil tank for opt. accessory | 18 L |
| Machine weight | |
| Net weight | 3300 kg |
PALMARY MACHINERY CO., LTD.
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