PALMARY MACHINERY CO., LTD.
886-4-24929799
886-4-24929499
No.77, Gongye Rd., Dali Dist., Taichung City 412, Taiwan
www.grinding.com.twProducts
Precision universal cylindrical grinder
NC Controlled Series
GU 32(42) x 100/150/200NC
- 1 Stable and Rigid Spindle Head
- (1) The spindle runs on precision bearings, assuring maximum spindle stability. It guarantees outstanding accuracy for external and internal diameter grinding and face grinding.
- (2)The spindle head swivels +90°~-30°.
- (3)The spindle head on the 20 series machines provides variable speed changed by frequency inverter.
- (4)The spindle head on the 32 and 42 series is driven by servomotor, providing variable speed.
- 2 Precision Wheel Head
- (1) The grinding wheel spindle is precision machined from high quality alloy steel SNCM-220, normalized, tempered, carburized and sub-zero treated, precision ground and mirror-effect treated. Hardness reaches to over HRC 62°. No deformation, maximum wear resistance and lifetime accuracy are assured.
- 3. Special Hydrostatic Bearing
- (1) The wheel spindle runs by using a special hydrostatic bearing and is especially ideal for precision grinding work. It features high speed, no friction between metals, no heat generation, deformation-free, extra high accuracy and continual use.
- 4. Advanced Hydrostatic Lubrication System
- (1) The slideways of the table and the wheel head are lubricated by an advanced automatic hydrostatical lubrication system. This provides various features, such as extremely smooth movement, added feed accuracy and superior grinding accuracy.
Specification
| SPECIFIATIONS | GU 32/42 x 100NC | GU 32/42 x 150NC | GU 32/42 x 200NC |
| Capacity | |||
| Distance Between Centers | 1000 mm | 1500 mm | 2000 mm |
| Swivel Over Table | 320 mm / 420 mm | 320 mm / 420 mm | 320 mm / 420 mm |
| Max. Load of Centers | 100 kgs / 150 kgs | 100 kgs / 150 kgs | 100 kgs / 150 kgs |
| Max. External Grinding Diameter | 300 mm / 400 mm | 300 mm / 400 mm | 300 mm / 400 mm |
| Wheel Hand | |||
| Swivel Angle | ±30° | ±30° | ±30° |
| Manual Distance | 160 mm | 160 mm | 160 mm |
| Auto Rapid Advance | 40 mm | 40 mm | 40 mm |
| Sliding Seat Supplementary Displacement | 95 (total 295 mm) | 95 (total 295 mm) | 95 (total 295 mm) |
| Min. Setting Unit | 0.001 mm | 0.001 mm | 0.001 mm |
| One Turn of Handwheel (graduation) | 2 (0.005) mm | 2 (0.005) mm | 2 (0.005) mm |
| Grinding Wheel | |||
| O.D. x Width x I.D. | 355 x 50 x 127 mm | 355 x 50 x 127 mm | 355 x 50 x 127 mm |
| Speeds (belt-type) r.p.m. | 1783 / 1940 | 1783 / 1940 | 1783 / 1940 |
| Work Spindle Head | |||
| Swivel Angle | 120° (+90°, -30°) | 120° (+90°, -30°) | 120° (+90°, -30°) |
| Center Taper | MT : 4 | MT : 4 | MT : 4 |
| Spindle Speeds (Variable) r.p.m. | 10 ~ 300 | 10 ~ 300 | 10 ~ 300 |
| Max. Load of Spindle (tool holder included) | 35kgs (Max Length : 150 mm) | 35kgs (Max Length : 150 mm) | 35kgs (Max Length : 150 mm) |
| Tailstock | |||
| Center Taper | MT : 4 | MT : 4 | MT : 4 |
| Stroke | 25 mm | 25 mm | 25 mm |
| Table | |||
| Swivel Angle | -3°, +8°(for 100 Type) | -3°, +7° (for 150 Type) | -1°, +7° (for 200 Type) |
| Traverse Speed | 50 / 4000 mm/min | 50 / 4000 mm/min | 50 / 4000 mm/min |
| Auto. Reciprocate Min. Stroke | 8 mm | 8 mm | 8 mm |
| Feed of One Turn of Handwheel (2-step) | 20 mm (2mm) | 20 mm (2mm) | 20 mm (2mm) |
| Motor | |||
| Wheel Spindle | 3.75 kw (4P) | 3.75 kw (4P) | 3.75 kw (4P) |
| Workhead Spindle | 1.3 kw | 1.3 kw | 1.3 kw |
| Hydraulic Pump | 0.37 kw (4P) | 0.37 kw (4P) | 0.37 kw (4P) |
| Wheel Spindle Lubrication Pump | 0.37 kw (4P) | 0.37 kw (4P) | 0.37 kw (4P) |
| Coolant Pump | 0.18 kw(2P) | 0.18 kw(2P) | 0.18 kw(2P) |
| Internal Grinding Spindle | 0.75 kw(2P) | 0.75 kw(2P) | 0.75 kw(2P) |
| Tank Capacity | |||
| Wheel Spindle Lubrication Tank | 12 L | 12 L | 12 L |
| Hydraulic Fluid Tank | 65 L | 65 L | 65 L |
| Coolant Tank | 100 L | 100 L | 100 L |
| Machine Weight | |||
| Kgs | 3200 kgs / 3400 kgs | 4100 kgs / 4300 kgs | 6000 kgs / 6200 kgs |
