1. If the robot is not calibrated, the robot cannot share the program, and the accuracy is very low and unstable. After a change in the robot's geometry due to factors such as repairs, the de-novo programming required by the robot will force its work to be suspended. If the robot is calibrated, it only takes a fraction of the time required during the programming process, and the scientific and economic value is considerable.
2. Calibration can improve the robot's ability to deal with environmental uncertainty. With the complexity of the robot use field, the uncertainty of the operating environment will have an important impact on the mission of the robot, and the fixed environment model may lead to the failure of the robot operation.
3. The development of modern automatic control theory has led to the widespread attention of the offline programming system of robots with sensor-assisted equipment. In order to complete a relatively offline programming mission (such as precision industrial production), not only the repetition accuracy of the robot's actions is required, but also the accuracy of the robot is high. The primary reason for the low accuracy of the robot is that the planning parameters of the robot are different from its practical parameters, which is often formed by production errors. Robot calibration is a measure to improve the accuracy of the robot by adjusting the robot control software, which can often improve the accuracy by several orders of magnitude.
4. In the research and development process of robots, it is necessary to obtain enough accurate data to analyze and evaluate the static and dynamic of the machine. It includes measuring the position of the robot joint and the coordinates of a specific point on the end effector in a specified coordinate system; Whether the robot's position is really moving according to our planned motion track; whether the robot overshoots when accelerating; whether the time and minutes of the robot's viewpoint deviate according to the existence; the impact of vibration on the robot; The robot analyzes the data when it carries a large number of objects; Robot accuracy, repeatability testing, etc., ....... these data have to rely on a complete calibration system to obtain.
The above factors often lead to the problem of low accuracy of the robot body and during normal operation. In particular, the track accuracy does not meet the application requirements, so it is necessary to evaluate and calibrate the robot function. The error is measured, analyzed, and the practical parameters of the robot are continuously corrected to meet the flexibility and adaptability required in the production and use process. Quickly calibrate the TCP point, home point, connecting rod length, angle of each axis of the robot, detect the joint gear clearance, reduction ratio, coupling ratio of the robot....... and compensate back, generally 20 minutes to calibrate a robot. Then quickly improve the bot's functionality.
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Structural design of the end gripper of the robot
According to different grasping methods and application environments, the robot end gripper can be designed into a variety of structural methods, and the following lists several common structural methods:
1. Mechanical gripper
The mechanical gripper is a very basic ...
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Technical parameters of welding robot - OTC Odihi
1. Number of joints. The number of joints can also be referred to as degrees of freedom, which is an important indicator of the robot's flexibility. Generally speaking, the robot workspace can reach three degrees of freedom, but welding not only needs to reach a certain orientation in the space, but also needs to ensure the spatial posture of the welding gun.
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The operation method of Odihi TIG welding
1. Power cord: divided into internal filling and external filling. External filling lines are available for bottom and high current filling. The end of the wire is located at the front of the ramp and is fixed with the left hand, and it is fed into the weld pool for welding. There is almost no gap between males. Its advantages include high current, small aperture ...
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Methods for Improving Productivity with Welding Robots – Odich
Welding robots can improve the production power from the following aspects:
(1) Improve accuracy and ensure high-speed welding
The use of robots in production means the pursuit of high power and high welding quality, so all robot manufacturers are seeking to break in the welding speed, and the robot ...
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Description of the common keys of the Odish robot teach pendant
1. The axis key for controlling the movement of the junction is mainly used to adjust the orientation and viewpoint of the robot and the welder. When the SW switch is pressed, the cooperative coordinates can be used to control the robot's orientation.
2. The coordinate switch button can be used in the axis ...
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How to maintain 0TC welding machine?
(1) Regular inspection
In order to use the welding machine safely and effectively, please pay attention to regular maintenance and inspection. Everyday precautions.
(1) Is there any abnormal vibration, noise, or burnt smell?
(2) Cable ...
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Welding technology for MAG welding – OTC Odihy
1. Insist on 1/4-3/8 inch wire rod elongation (the length of the wire protruding from the torch head).
2. Use small diameter welding wire when welding thin plates; When welding thick plates, large diameter welding wire and high-current welding machine are used. See welder recommendations ...
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The main requirement of the robot for the joint drive motor - OTC robot
1. Rapidity, the time from obtaining the command signal to the working state required by the completion of the instruction should be short. The shorter the moment of echoing the command signal, the higher the sensitivity of the electric servo system, and the better the fast response function, which is generally explained by the size of the electromechanical moment constant of the servo motor.
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Belt tension adjustment method and precautions - OTC robot
The OTC robot needs to adjust the tension of the belt once a year or every 3,000 hours of work, whichever is shorter. The OTC robot B4 (B4L) is used as an example to introduce the adjustment method and precautions.
The timing belt of the OTC robot B4\B4L is located in the motor and reduction gear.
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Inspection aspects of OTC welding robots
In order to make the welding robot work efficiently and ensure the normal operation of the robot, the user needs to regularly maintain and check the robot body and system after using the robot to a predetermined time. Together to ensure the safety of equipment and personnel during operation, the robot operates every 4000 hours.
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OTC welding robot selection welding wire requirements
The robot can be supplied with barrel or disc wire as required. In order to reduce the frequency of replacing the welding wire, the robot should use barreled welding wire, but due to the selection of barreled welding wire, the wire feeding hose is very long, the resistance is large, and the quality requirements such as the stiffness of the welding wire are high.
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OTC robot reset operation
When the encoder battery low alarm cannot be recovered, the encoder orientation information is lost, and it is necessary to reset the operation:
52 encoder failure encoder batterycharge low1016
1. Replace the robot ...
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Odish robot vision problems
1. How to identify targets accurately and at high speed (in real time).
2. How to effectively construct and arrange a reliable identification algorithm and implement it successfully? We look forward to new breakthroughs in high-speed matrix processing units and algorithms such as neural network approaches and wavelet transforms, so that the most advanced kernels can be used with minimal cores.
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Structure and function of extreme operation robot - OTC Odichi
1. Sensor system: the primary force sense system (including touch, force and slip, etc.), vision system (including visible vision, infrared vision, X-ray vision, ultrasound vision, microwave vision, etc.). Some extreme robots also have a hearing system. The function of the sensing system is to give remote control ...
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What are the welding shielding gases of ODC robots
In the welding process, the shielding capacity is most commonly used in four gases - oxygen, argon, carbon dioxide and helium. Each of these gases has its own unique elements and characteristics, such as specific welding arc stability, desired characteristics, cost, and availability, which are all selected correctly ...
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OTC/ODC performs 6-axis reset operation
1. Align the corner marks of each axis of the robot so that each axis of the robot stops at the origin position.
If the servo cannot be powered on, you can skip this step and perform the next steps 2, 3, and 4 first. After the power failure is restarted, the 0052 alarm disappears
Flip over the servo to perform the corner mark ...
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Graphic tutorial for the installation of OTC welding robot relay device plus I/O board
The installation method of the I/O board of the OTC welding robot relay device and the connection method of the general I/O wire are taken as an example of the OTCFD series robot. As we all know, the relay unit and the I/O board can be used together, and one control unit can connect more than two boards.
If you buy an OTC welding machine at the same time ...
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What are the advantages of industrial manipulators over manual labor - Odichi robots
1. The existence and application of industrial manipulators have greatly improved the production power of enterprises. It avoids the influence of human factors in production;
2. Enterprises can go through the action of the promotion manipulator and the production process to replace the manual ...
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There are 6 major components of OTC industrial robot vision system
The visual system of industrial robots is mainly composed of four categories: pattern recognition, counting, visual positioning, scale measurement and appearance detection, such as unmanned driving, face recognition, etc., which can be classified as the field of robot vision. If you want to know the scale of use of the visual system, you must first understand the national ...
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Comparison of the advantages of the special sensor for arc welding of OTC welding robots!!
Welding robots are divided into arc welding robots and spot welding robots. Arc welding robots can be used for all arc welding, cutting techniques, and similar industrial methods. The commonly used range is self-consumable electrode active gas shielded welding (CO2 welding, MAG welding) of structural steel and chromium-nickel steel, metal welding of aluminum and special alloys.
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