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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 |