The machine is specialized in machining cylindrical deep-hole workpieces, such as spindle holes for machine tools, various mechanical hydraulic cylinders, cylindrical through-holes for cylinders, blind holes and stepped holes 0. 4μm。 The processing aperture accuracy can be up to IT7 ~ IT8 or above, the surface roughness can reach Ra0. 4μm. The machine tool can not only undertake drilling and boring, but also can perform rolling processing, and the internal chip removal method is used for drilling. The machine bed is rigid and has excellent precision. The spindle has a wide range of speeds, and the feed system is driven by an AC servo motor, which can adapt to the needs of various deep hole machining processes. The oil feeder is fastened and the workpiece is tightly clamped with hydraulic device. The instrument display is safe and reliable.
The machine is a series of products, and can also provide a variety of deformation products according to user needs.
SPECIFICATION
|
| TECHNICAL DATA |
| T2125 |
CAPACITY | Boring diameter | φ250mm |
| Max drilling diameter | φ100mm |
| Max.boring depth | 1000-15000mm |
| Workpiece clamped dia.range | φ60-φ330mm |
SPINDLE | Height from spindle center to bed | 350mm |
| Spindle bore diameter | φ75mm |
| Taper of spindle bore | 85mm 1:20 |
| Range of spindle speed | 61-1000r/min 12 step |
FEEDS | Feed speed range(infinite) | 5-600mm/min |
| Carriage rapid-moving speed | 2m/min |
MOTORS | Main motor power | 30KW |
| Hydraulic pump motor power | 1.5KW |
| Carriage rapid motor power | 3KW |
| Feed motor power | 3.7KW AC servo |
| Cooling pump motor power | 5.5KW |
OTHERS | Rated pressure for cooling system | 0.36Mpa |
| Flow of cooling system | 300L/min |
| Rated working pressure of hydraulic system | 6.3Mpa |
| Max.axial force of pressure head | 68KN |
| Max.clamping force by pressure head on workpiece | 20KN |
Machine precision:
Roundness……………………………………………≤0.02㎜
Cylindricity…………………………………………≤0.035/500㎜
Machining precision…………………………………………ⅠT8～ⅠT10
Rounghness（drilling）…………………………………≤Ra3.2～12.5μm
Rounghness（boring） ……………≤Ra1.6～3.2μm（depending on workpiece material）
Rounghness（burnishing）………………………………≤Ra0.4μm
Straightness less than 0.15/1000
Hole deviation ≤0. 5/1000
Machining efficiency:
cutting speed: normally 50-100m/min
Feed speed: normally 10-100mm/min
Maximum stock removal when boring: not bigger than 20mm
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