What are the advantages of welding positioner? How to judge the quality of the positioner?
In modern industrial production, the application of robots is very common, especially for welding operations. Many production lines use welding robots. However, welding robots alone cannot complete all welding tasks. Therefore, welding positioners are generally equipped to make It becomes the external motion axis of the welding robot. What are the advantages of using a welding positioner? How to judge the quality of the positioner when choosing?
1. Advantages of using welding positioner
The welding positioner is a special auxiliary equipment for realizing welding automation. It is suitable for the welding position of rotary work to obtain the ideal processing position and welding speed. It can be used together with a Fronius welding machine to form an automatic welding center, or it can be used The specific advantages of workpiece displacement during manual work are as follows:
1. High precision: With RV reducer, the repeatability of the welding positioner can reach +0.1 mm.
2. High durability: A simple drive system can reduce the risk of failure.
3. Strong applicability: The main function of the welding positioner is to realize the flip and position of the workpiece during the welding process, so as to obtain a good welding position, which can meet the quality and appearance requirements of a variety of welded parts.
4. Reliable operation: The base of the welding positioner is welded by thickened profiles and steel plates, and has been annealed to ensure reliable quality and accuracy.
3. Strong adjustability: The welding positioner is driven by a servo motor for turning, and the reducer adopts a high-precision reducer, which has reliable accuracy and adjustable speed.
Although there are many advantages for welding robots using positioners, these advantages are also based on the quality of the positioner. If the quality of the positioner selected is not reliable enough, it will not only fail to meet the production efficiency of the production line, but may even Cause the decline of production quality, so we should know how to judge the quality of welding positioner.
2. Method to judge the quality of welding positioner
1, check the flip drive
(1) The tilt drive should be stable, not jitter under load, and the whole machine must not overturn. If the load exceeds 25kg, it should have the power drive function.
(2) There should be a limit device to control the tilt angle, and there should be an angle indicator.
(3) The tilting mechanism must have a self-locking function and not slide under load.
2, check the rotating drive motor
(1) The rotating drive motor should realize stepless speed regulation and brake.
(2) Within the range of the rotation speed, the fluctuation of the rotation speed does not exceed 5% under load.
3, other aspects
(1) The welding positioner should be equipped with a conductive device to prevent the welding current from passing through the transmission parts such as bearings and gears. The resistance of the conductive device should not exceed 1mΩ, and its capacity should meet the requirements of the welding rated current.
(2) The control part of the welding positioner shall be equipped with a linkage interface for automatic welding.
(3) The structure of the workbench should be convenient for the installation of workpieces or fixtures, and the structure can also be determined through consultation with the user.
(4) The accurate data of load, eccentricity and repetition distance should be clearly stated in the welding positioner instruction manual.
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