How are industrial robots generally classified?
Industrial robots can be classified according to six aspects: mechanical structure mode, manipulator coordinate form, program input mode, motion coordinate form, driving mode and application field.
I. Classification by mechanical structure
1. Serial robot: the motion of one axis will change the coordinate origin of the other axis. For example, a six joint robot.
2. Parallel robot: motion of one axis does not affect the coordinate origin of the other axis, such as spider robot.
II Classification according to the coordinate form of the operator
1. The arm of the cylindrical coordinate robot can be used for lifting, rotating and telescoping;
2. The arm of spherical coordinate robot can rotate, pitch and stretch;
3. The arm of a multi joint robot has a plurality of rotation joints.
4. The axes of the planar joint robot are parallel to each other to achieve in-plane positioning and orientation;
5. The arm of the rectangular coordinate robot can move along three rectangular coordinates;
III. Classification according to program input mode
1. Programming input robot:
The programming input type is to transmit the programmed operation program file on the computer to the robot control cabinet through RS232 serial port or Ethernet and other communication methods.
2. Teaching input robot:
There are two teaching methods of teaching input type:
One is that the operator uses a manual controller (teaching control box) to transmit the command signal to the drive system, so that the actuator can perform once according to the required action sequence and motion track.
The other is that the operator directly leads the actuator, and drills it once according to the required action sequence and motion track. At the same time of the teaching process, the information of the working program is automatically stored in the program memory. When the robot works automatically, the control system picks out the corresponding information from the program memory and transmits the command signal to the drive mechanism, so that the actuator can reproduce various actions of the teaching.
IV. Classification according to the form of motion coordinates
1. Articulated robot
2. Cylindrical coordinate robot
3. Cartesian robot
4. Parallel robot
5. SCARA robot;
V. Classification according to driving mode
1. Hydraulic drive
2. Pneumatic drive
3. Electric drive;
VI. Classification by application field
It mainly includes welding, assembly, handling and stacking, loading and unloading, polishing and spraying, cutting and processing robots, etc. Downstream application industries mainly include automobile, electronic and electrical, rubber and plastic, metallurgy, food, medicine and cosmetics, etc.

