Guangdong Hotman Machine Tool Co.,Ltd.
Guangdong Hotman Machine Tool Co.,Ltd, has been dedicating into grinding machine industry since 2003.
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High Precision Semi-automatic Cylindrical Grinding Machine-Traditional Cylindrical Grinder FX27-60
Device description:
1. The body and components are cast by Milhanna high grade cast iron FC30, which is artificially normalized heat treatment and then treated by natural aging. Components are processed by YASDA, MITSUI SEIKI, TOSHIBA, ELB and other world-class equipment once clamping processing.
2. Machine guide rails and precision ball screws are continuously lubricated by automatic lubrication system to ensure longer service life and accuracy. The cooling system is separated from the body to eliminate vibration and favorable heat dissipation.
3.Equipped with inner hole grinding device for choice, inner hole spindle speed up to 20000 RPM, can achieve a good clamping to complete the grinding of outer circle and inner hole. At the same time, optional dual-axis optical ruler numerical control device, to achieve accurate 0.001mm feed.
4. The grinding feed system is composed of a V and a flat track of hand-crafted precision shovel, with automatic lubrication system and C3 level precision grinding ball screw, which can achieve smooth movement, excellent repeated positioning accuracy and long track life.
5. For special work-piece grinding, the grinding wheel speed can be adjusted, up to 3500 RPM and 60m/s. The standard configuration of the grinding wheel spindle is rear four and rear two bearing structure. High precision dynamic and static pressure spindle can also be selected, which has the characteristics of high rotation precision, high dynamic stiffness, good vibration resistance, high grinding efficiency and good grinding surface quality.
6. A hardened alloy steel sliding cylinder encrusted in the cast iron body is designed to carry the MT4 top core. The tail seat is designed to be both rigid and robust. The jacking force of the sliding cylinder can be easily changed by adjustment knobs at the rear. Special accessories oil pressure tail seat with a pedal to facilitate unloading work parts.
Technical specification:
| Mechanical model | FX27-60 | ||
|
Processing capacity | Lathe face diameter | mm | 270 |
| The distance between the two hearts | mm | 600 | |
| Maximum weight of core workpiece | Top work (kg) | 60 | |
| Working head (kg) | 20 | ||
| Maximum linear velocity | m/s | High speed grinding wheel is accessible 65 | |
|
Grinding wheel head and feed | Angle of rotation | Left and right | ±15° |
| Standard grinding wheel size | Outside diameter x width x inside diameter(mm) | 405*38(32-50)*127 | |
| Special wheel size | Outside diameter x width x inside diameter(mm) | 510*38(32-50)*127 | |
| Speed of sand wheel shaft | R.P.M. | 1650/1850/2100 | |
| Travel distance | mm | 250 | |
| | Fast forward and fast back to a safe distance | 40 | |
| | Feed per revolution | 20 | |
| Minimum X-axis setting unit | 0.005 | ||
| Working head | Spindle rotation mode | Simultaneous/centering | |
| | Working head edge (degree) | 30° | |
| Grinding wheel head (degree) | 90° | ||
| Spindle speed | R.P.M. | 10-500 Belt pulley adjust | |
| Taper of the thimble | MT | NO.4 | |
| The spindle through aperture | mm | 25 | |
| Tail seat | Automatic stretching distance | mm | 32 |
| Taper of the thimble | MT | NO.4 | |
|
worktable | Angle of rotation | Deg | +9/-6 |
| Hand wheel feed | Feed per revolution | 12.5 | |
| Automatic feed speed | mm | 50-4000/min | |
|
Inner hole grinding device (Optional) | Spindle speed | R.P.M. | 20,000(35,000-Special) |
| Motor | KW(HP) | 0.75 | |
|
Motor | Sand wheel shaft | KW(HP) | 3.75 |
| Working head spindle | KW(HP) | 0.75 | |
| Hydraulic power circulating oil pump | KW(HP) | 0.75 | |
| Lapping pump | KW(HP) | 0.37 | |
|
Tank capacity | Sand wheel shaft oil box (static and dynamic pressure) | L | 120 |
| | L | 60 | |
| Lapping tank | L | 80 | |
| Packing size | Length x width x height | mm | 2900x2250x2100 |
| Net weight | kg | 2500 | |
