The drive source of the industrial robot drives the movement or rotation of the joints through the transmission parts, and then completes the movement of the body, arms and wrists. Therefore, transmission parts are important components of industrial robots. According to different transmission types, transmission components can be divided into linear transmission organization and rotary transmission organization. With so many active joints, precise movement and instruction transmission can also be done, and each part works closely together to complete complex jobs. Joints mainly refer to the most important basic components of industrial robots, and they are also the core components of movement: fine reducers. It's a precise power delivery mechanism. The speed converter of the gear is used to reduce the number of revolutions of the motor to the required number of revolutions and get a larger torque device, then reduce the speed and increase the torque. What are the characteristics of industrial robot joint drive chains?
1. The power supply of industrial robots is generally AC servo motors. Because of the pulse signal drive, the servo motor itself can complete the speed conditioning
Industrial robots often repeat the same process;
2. In order to ensure that industrial robots can reliably complete the process mission in production and ensure process quality, the positioning accuracy and repeated positioning accuracy of industrial robots are required to be high.
Therefore, it is necessary to improve and ensure the accuracy of the RV reducer or harmonic reducer of industrial robots.
3. Another function of fine geared motors in industrial robots is to transmit more torque. When the load is large, it is not cost-effective to blindly increase the power of the servo motor, and the reducer can increase the output torque within the appropriate speed scale.
4. The servo motor simply generates heat and low-frequency vibration when running at low frequency, which is not conducive to the long-term periodic operation of industrial robots, nor is it conducive to ensuring its accurate and reliable operation. The presence of fine geared motors allows the servo motors to run at the right speed and reduce the speed precisely to the required speed for each part of the industrial robot, and then increase the stiffness of the mechanical body and output more torque.
What are the characteristics of the joint transmission chain of industrial robots? Compared with ordinary reducers, robot joint reducers have the characteristics of short transmission chain, small size, high power, light weight and convenient control. There are two types of reducers widely used in joint robots: RV reducers and harmonic reducers. Advantages of synchronous belt transmission: no slippage, accurate transmission ratio, stable transmission; Large speed ratio scale; The initial tension is small; Shafts and bearings are not susceptible to overload. However, the production and installation requirements of this transmission organization are strict, and the data requirements of the belt are high, so the cost is high. Synchronous belt drive is suitable for high reduction ratio transmission between motor and reducer.
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Step 1
Acknowledging security
●Acknowledging that the robot's device is in normal condition.
● Acknowledge that there are no personnel within the robot's range of action.
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The DENSO robot DENSO rc8A controller starts
Here, the first thing is to turn on the power supply of the robot controller and motor, and use the multi-function trainer to manually run the robot.
Step 1
Acknowledging security
●Acknowledging that the robot's device is in normal condition.
● Acknowledge that there are no personnel within the robot's range of action.
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