The pure rolling contact bevel gear, general contact equiangular spiral bevel gear and five point contact equiangular spiral bevel gear are processed. The processing process is shown in Fig. 1 and Fig. 2. During the experiment, the purchased sew V230 reducer box is used to assemble the pinion shaft and big gear. The rated output torque of standard sew V230 single-stage spiral bevel gear reducer is 540nm. During the experiment, the pinion shaft and large gear in the reduction box are mainly replaced to ensure the consistency of other parts as much as possible, so as to finally complete the prototype experiment of three groups of new tooth bevel gears and the test experiment of a group of original spiral bevel gears.
In the actual working process of spiral bevel gear, only one side is the main working surface (the concave surface of pinion corresponds to the convex surface of large gear). Therefore, in the whole experiment, only the main working surface is tested, and the main working surface corresponds to the forward rotation direction of motor. In the experiment, the prototype was loaded with 10 sets of output torque data: 54nm, 108nm, 162nm, 216nm, 270nm, 324nm, 378nm, 432nm, 486nm and 540nm; At the same time, the prototype is also loaded with four groups of input speed data: 500 R / min, 750 R / min, 1000 R / min and 1200 R / min.
In the whole experiment, the whole process is divided into three stages: no-load test; Running and testing; Efficiency test. In the no-load test, when the speed of the driving motor is gradually increased to 1200R / min and the load motor is not started, rotate forward and operate without load for 1 hour to test whether the system operates stably, whether there is abnormal vibration and noise, whether there is looseness at the connection, whether there is oil leakage at the sealing position, etc. During the running and test, the forward rotation speed of the driving motor was gradually increased to 1200R / min, and then the output torque was gradually loaded from 54nm to 324nm for 1 hour at each step. In the efficiency test, the forward rotation speed of the driving motor is loaded at 500 R / min, 750 R / min, 1000 R / min and 1200 R / min respectively, and the output torque is gradually loaded from 54nm to 540nm. Each step is loaded for 1 hour, and the torque and speed are measured to obtain its efficiency. At the same time, after 30 minutes of each step, the oil temperature is measured every 5 minutes until the oil temperature reaches a stable value.