The turntable of the hollow rotating table is a hollow structure, and the servo motor is connected at the side to facilitate the installation of the air pipe and the wire in the metallurgical tool.
High repeat positioning accuracy
The hollow rotary table adopts single-stage helical gear deceleration to increase the output torque. The gear accuracy grade is less than 5 grades. In addition, the flexible gap adjustment mechanism controls the backlash by changing the center distance of the two gears, making the hollow rotary table empty. The return is extremely small, and the repeat positioning accuracy is below 5 arc seconds.
The rotating table of the hollow rotating platform is supported by a set of precision crossed roller bearings, the rollers in the bearing are staggered at 90 degrees, and the roller diameter is slightly larger than the raceway size between the inner ring and the outer ring of the bearing, so that the cross roller bearing There is a pre-tightening force between the inner and outer rings and the roller, so that the servo rotating platform turntable supported by the bearing can bear various moments such as radial, axial, and overturning, and the rigidity is more than 10 times that of the conventional bearing.
High rotation accuracy
After the assembly of the servo rotating table, the crossed roller bearing of the platform is used as the center of rotation, and the outer diameter and end surface of the turntable are ground again (standard grade is fine car) to ensure the coaxiality and parallelism of the turntable. tolerance.
The hollow rotary table can flexibly change the size of the interface by customizing the flange and input shaft hole, and is suitable for connecting any brand of servo motor and stepping motor.