The machine tool uses the electronic gear box to process the involute toothed spur gear, the helical gear and the herringbone gear, the worm wheel, etc. by the hobbing method. The modulus and pressure angle of the workpiece are consistent with the hob, and the machine tool is adjusted. Gears with different numbers of teeth and different helix angles can be machined. Machining external gears and internal gears, involute splines and rectangular splines can be realized with the machine's single-toothing program and forming tool. The vertical gear hobbing machine is provided with a rear pillar, and the rear pillar can be used to machine a large shaft gear.
The machine has a full CNC 6-axis 4 linkage function, which is suitable for efficient gear roughing, and is suitable for high-precision gear finishing, with high rigidity and power, simple adjustment and large adaptability. Through the program control, a variety of automatic cycles can be realized, and the processing requirements of large gears with high productivity and high precision can be realized, and the machining accuracy reaches 6 levels.
(1) YK31500L CNC vertical gear hobbing machine (5m) The maximum machining diameter is 5 000mm; the minimum machining diameter is 1 400mm; the maximum modulus is 40; the maximum helix angle is ± 4 5 °; the maximum tooth width is 2 000mm.
(2) YK311000L CNC vertical gear hobbing machine (10m) can process a maximum diameter of 12 500mm; the minimum machining diameter is 3 600mm; the maximum modulus is 50; the maximum helix angle is ±30°; the maximum tooth width is 2 000mm.
(3) YK361600L CNC horizontal hobbing machine (16m) The maximum machining diameter is 1 600mm; the minimum machining diameter is 200mm; the maximum modulus is 40; the maximum helix angle is ±45°; the maximum workpiece length is 8 000mm.
(1) YK31500L CNC vertical gear hobbing machine (5m) The maximum speed of the table is 3r/min; the maximum load of the table is 80 000kg; the maximum size of the hob is φ 450mm×700mm; the speed of the hob is 10~200 r/min; cutting parameters: The hob speed is 30 to 100 m/min, and the feed rate is 1 to 4 mm/r.
( 2 ) YK 3 1 1 0 0 0 L CNC vertical gear hobbing machine (10m) The maximum speed of the table is 1.2r/min; the maximum load of the table is 250 000k g; the maximum size of the hob is φ 500mm×700mm; the speed of the hob is 10~ 100 r/min; cutting parameters: the hob speed is 30-100 m/min, and the feed rate is 1~4 mm/r.
(3) YK361600L CNC horizontal hobbing machine (16m) disk maximum speed 5r/min; workpiece maximum weight 50 000kg; hob maximum size φ 500mm × 600mm; hob speed range 10 ~ 100 r / min; cutting parameters: hob speed The feed amount is from 30 to 100 m/min, and the feed amount is from 1 to 4 mm/r.
This series of machine tools is equipped with standard hobs, milling cutters and internal and external finger holders. It can be equipped with high-efficiency and high-performance modern tools on different tool holders to give full play to the performance of machine tools and tools. High precision effect.
Efficient AA grade coating hob is placed on the hob, which has more advantages in the processing of yaw gear and variable gear bearings of wind power. It is 2~3 times higher than traditional gear shaping and milling, and the precision index is improved. Level 1, the accuracy level reaches 6 levels.
Efficient milling cutters are arranged on the milling cutter holder, and the indexable coating blades can be arranged. The advantages of high power and high rigidity of the machine tool can be utilized to fully utilize the performance of the milling cutter disc, so that the machining parameters of the milling speed can reach vc. =120～160m/min, the feed rate reaches f=240～300mm/min, which is 2~3 times higher than the traditional gear shaping and milling. The accuracy index is increased by one level and the precision level is up to level 8.
On the inner and outer finger turrets, M42 high-performance forming high-speed steel (national standard W29C r4V C o8, hardness 67-70HRC) can be installed, which can efficiently process internal and external teeth, especially the processing of herringbone gears.
Related links: Qizhong CNC actively promotes localization of large gear machine tools
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