Z28-250 type screw rolling machine
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Z28-250 type screw rolling machine
Z28-200 is mainly used for avarety of architectural wall screws,the top drag,trapezoidal scerw and modulus screw of the workpiece with the simple operation,high efficiency advantages.
| Maximun roll pressure | 260KN | Spindle speed 16/26/38/55/90（r/min) |
| Maximum roll diameter | ?90mm | Open thread length(plus protection) |
| Maximum diameter if rollers | ?210mm | Active power 15KW |
| Diameter rollers | ?75mm | Hydraulic power 5.5KW |
| Maximun thickness of rollers | 120mm | Cooling power 125KW |
| Axis tilt angle | ±15° | Weight 3000KGS±50KGS |
| Spindle center distance | 150-300mm | Dimensions2450*1780*1670 |
This model is characterized by rational and solid structure, great active force, low noise, low failure rate, convenient adjustment, high precision in processing screw thread, and wide application. It can have roll finishing on various external threads including regular, trapezoidal and modulus screw threads, and have molding, barreling and knurling processes on workpieces. Driven by worm gear and worm, equipped with an automatic lubrication system, manual, pedal, semi-automatic and automatic controls, it is easy in operation, high in production efficiency and low in labor intensity. Equipped with corresponding thread roller, it can process regular and abnormal bolts of various specifications.
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