Numerical Control Transformation of Spiral Bevel Gear Milling Machine
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Numerical Control Transformation of Spiral Bevel Gear Milling Machine Tool Zhang Jinquan (Henan Nanyang Petroleum Machinery Factory/473000) At present, China's milling machine tool for processing spiral bevel gears is mainly composed of domestic Y2280, Y225 and some imported arc gear milling machines. Moreover, the operating principles of these machines are mostly driven by mechanical transmission chains. With the rapid development of computer technology, there are countless examples of successful CNC transformation in common general-purpose machine tools such as ordinary lathes. The machine tool after numerical control transformation not only improves the automation degree of the machine tool, but also improves the machining accuracy of the machine tool. The processing adaptability of the original machine tool. From the successful use of CNC machine technology to the transformation of ordinary machine tools, in the development and promotion of the application of CNC technology today, the spiral bevel gear milling machine with complex mechanical transmission system should be implemented numerically modified, the following domestic Y2280 arc tooth The bevel gear milling machine is illustrated by way of example and its advantages.
1 The way of CNC transformation of milling machine tool 1.1 The main motion of the machine tool is changed from the original ordinary motor to the AC variable frequency motor. In this way, the original cutting speed exchange gear (hanging wheel) group can be used to obtain the required cutting speed through an AC variable frequency motor with a fixed set of gear drive chains.
1.2 Feeding, splitting and rolling motion 圄1 Machine tool transformation drive system On the Y2280 machine tool, the feed motion and the split tooth motion drive chain are respectively driven by a group of exchange gears (hanging wheels) and several transmission gear pairs; The hobbing motion drive chain is also realized by a group of exchange gears (hanging wheels) group passing through a combination of a plurality of transmission gear pairs and a complex combination of internal and external teeth. According to the cutting principle of the arc gear milling, the feed motion can be transmitted by an AC servo motor and a mother and screw pair. The hobbing and splitting motion can be combined with an AC servo motor and a worm and a worm gear. Shows the advantages of the 2 arc bevel gear milling machine tool transformation. The calculation formula of the spiral bevel gear milling tooth is more complicated and the calculation is more troublesome. The arc bevel gear milling machine tool modified by numerical control technology can save most of the cumbersome The calculation process can be quickly programmed on the operation display with a simple pre-programming calculation. The specific calculation before programming (with orthogonal angle!
=90. For example) as follows: Calculate the gear ratio of the cut workpiece to the cradle (1) Calculate the cutting cycle) The number of teeth 1 + %i is the number of teeth of the gear to be machined; %i is the pinion, and %2 is the large gear .
No need to replace any gears (hanging wheel) group eliminates the trouble of selecting the gear (hanging wheel) group. Machine adjustment is very convenient.
The modified machine tool is more convenient and flexible in repairing the contact area. According to the result of the inspection of the processed gear, it is only necessary to change the program data on the display screen.
The numerical control transformation uses the FANUC or SIEMENS numerical control system to control the linkage of the workpiece, the cradle and the saddle; the tool realizes the speed regulation through the AC variable frequency motor. The flexibility of the spiral-toothed bevel gear milling machine after CNC transformation is greatly enhanced, which can speed up the adjustment of the product structure of the enterprise, improve the overall quality of the spiral-toothed gear milling process in China, and further modernize the manufacturing industry, especially the automobile manufacturing industry. Development provides excellent equipment.
Main classification
Woodworking engraving machine
Tombstone engraving machine
Laser engraving machine
Advertising engraving machine
Jade carving machine
Stone Engraving Machine
Cylindrical engraving machine
Mold engraving machine
Miniature engraving machine
PCB circuit board engraving machine
Metal Engraving Machine
Glass engraving machine
Mold engraving machine
main application
Advertising, technology, mold industry, electronics industry, construction industry, printing and packaging industry, wood industry, decoration industry, tombstone industry, crystal products industry, etc.
Carving supplies
Acrylic organic board, PVC board, hibiscus board, two-color board, wood board, MDF, marble, fire board, rubber board, glass, crystal, etc.
Business object
Advertising companies, decoration companies, hotels, hotels, shopping malls, schools, hospitals, office buildings, entertainment venues, bathing centers, groups, enterprises, administrative agencies, etc.