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蜗杆轴磨削

蜗杆轴磨削

JUTWIST和JUMAT 2000高速磨床可直接在棒料毛坯表面加工出沟槽型面,棒料进,蜗杆出。蜗杆轴常用于汽车和通用机械领域的各类转向系统、调节电机、制动系统等,起到动力转化和传输的作用。该工艺也可轻松应用于其他有类似几何形状的工件上。

亮点

  • 一次装夹完成粗磨和精磨
  • 砂轮使用寿命长
  • 刀具成本低
  • 质量高(圆度、同心度、尺寸精度、直径公差)
  • 加工方向散射光测量值Aqm < 20
  • 精磨后的表面质量可达到Rz 1
  • 工艺可靠,重复精度高
  • 内置去毛刺工位
  • 换型便捷

磨削流程

无论是单线抑或是多线砂轮,其几何形状经精密计量,完美契合工件螺旋槽型面加工需求。使用电镀成型砂轮执行粗磨,不仅切削效率高,还可完美驾驭硬质材料的加工。在随后的精磨过程使用刚玉砂轮,沟槽型面被加工至最终尺寸。产出的是型面尺寸和表面精度俱佳的工件。

蜗杆轴磨削

JUTWIST的多线磨削工艺

JUTWIST的多线磨削工艺

粗磨

 

精磨

JUMAT的单线磨削工艺

JUMAT的单线磨削工艺

粗磨

 

精磨

产品要求

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技术数据: 蜗杆轴磨削 JUTWIST 2000

头架型号
1
磨削长度
300 mm
装夹长度
300 mm
中心高
150 mm
工件重量
4 kg
砂轮直径
170 - 250 mm
摆动
80 mm
长x宽x高 mm (不含外围设备)
3000 x 2750 x 2430
重量
18000 kg

可使用的头架版本 蜗杆轴磨削 JUTWIST 2000

  • /30

技术数据: 蜗杆轴磨削 JUMAT 2000

头架型号
1
磨削长度
300 mm
装夹长度
300 mm
中心高
150 mm
工件重量
4 kg
砂轮直径
170 - 250 mm
摆动
80 mm
长x宽x高 mm (不含外围设备)
3000 x 2750 x 2430
重量
18000 kg

可使用的头架版本 蜗杆轴磨削 JUMAT 2000

  • /30

设备和选项

DEBURRING STATION

With the integrated deburring station, JUNKER offers the reliable and process-reliable removal of the broken tooth on the worm shafts in parallel to the grinding process. The workpieces are transported directly to the clamping system via an internal loading gantry.

SETTING

The worm shaft is clamped on the workhead using a collet chuck. Furthermore, the workpiece is centrally clamped using a steady rest for the stock reference and using the tailstock for the center reference.

POSITIONING AND MEASURING SYSTEMS

The positioning button measures the longitudinal and radial position. The measured values are automatically integrated into the grinding process by the control system. You can also use the positioning button to carry out numerous measuring operations, such as crown and root circle measurement.

DRIVING AND GUIDING THE AXLES

The linear drive of the Z-axis allows for high moving and acceleration values. Furthermore, thanks to the interaction between the A-axis and the Y-axis, the profile's angle of inclination can be adjusted variably. As a result, the new technology provides the flexibility that is required in production. The C-axis with direct drive allows for an extremely high speed range up to 10,000 rpm.

CONTROL SYSTEM

With the comprehensive JUWOP II software, the JUTWIST is optimally equipped and guarantees simple operation, fast loading and perfect programming results. The Erwin Junker Operator Touch Panel was specially developed for controlling grinding machines. All machine components are controlled via the control panel – irrespective of the series or the control system that is used. The identical structure, intuitive menu navigation and visualization of the workpiece geometry make it extremely user-friendly and flexible to operate. It is programmed directly via the control panel or via an external programming tool.

MACHINE BED

The mineral cast machine bed impresses with its damping performance and high torsional stiffness. Thanks to the temperature stability, fluctuations in the environmental temperature can be effortlessly offset. This guarantees high dimensional accuracy 24 hours a day.

LOADING SYSTEMS

Thanks to the optimized arrangement of the grippers for the blank and finished part, the internal V-loader allows for ideal workpiece handling. Within just a few seconds, the workpiece is changed and, thanks to the keyhole transfer, it is transferred to the external loading system – optimal production capacity while also easing the workload of the operating personnel. The loading systems can also be combined with various feeding and unloading systems, such as conveyor belts or systems that have been adapted to meet customer requirements.

As a full-service provider, the JUNKER Group provides tailor-made automation solutions.

DRESSING UNIT

The dressing of the grinding wheel is controlled by CNC. A driven diamond dressing wheel or a workpiece-dependent diamond profile roller can be used. The dressing is carried out via an automatic dressing program with grinding wheel compensation. In parallel to the loading process, a dressing device can be used to dress the corundum grinding wheel. This reduces the auxiliary process times.

ABRASIVE

An electroplated CBN grinding wheel is used for the pre-grinding. Corundum is used as the abrasive for the finish-grinding.

FIRE PROTECTION AND LTA AIR FILTER

In the event of a deflagration, the inside of the machine is automatically hermetically sealed, meaning that a fire is extinguished before it can spread. If required, extinguishing systems (CO² or water mist fire extinguishers) and waste air purification plants can also be installed. LTA Lufttechnik GmbH is a competent partner for fire protection and filtration solutions. The company also belongs to the JUNKER Group and researches, develops and produces filter systems for industrial air purification.

工件

  • 蜗杆轴

产品样册 蜗杆轴磨削

蜗杆轴磨削蜗杆轴磨削
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