Repeated precision and positioning precision of linear motor(linear motor) under popular science
time£º2019/5/25 click£º16495
Repeated precision and positioning precision of linear motor(linear motor) under popular science. In daily work, in order to help customers choose a suitable linear motor(linear motor), the small editor usually requires the customer to provide the total itinerary, effective stroke, positioning accuracy, repetition accuracy, load, speed, friction and other parameters. Other parameters can be quickly given, but many novice users will jam in the repetition accuracy and positioning accuracy, indicating that they do not know the difference between the two.
In the popular point, the positioning accuracy of a linear motor(linear motor) is the error between the program's specified momentum and the actual momentum. For example, if the program enters an X-axis square to move 50mm, the actual measurement of the movement is 49.95, and the positioning accuracy is 0.05 / 50. The repeated positioning accuracy of a linear motor(linear motor) is whether each advance and return stay at the same point. For example: The current measurement of the X-axis position table shows 50mm. The program gives the instruction positive direction to 50mm. The table display may be 99.05 mm(because of the error), and then the program specifies the negative direction to 50mm. At this point, if there is no error, it should be 50mm, but because of repeated positioning errors, the table may show 50.05 mm or 49.95 mm. The repeated positioning accuracy at this time is 0.05 / 50.
Don't you understand? Nothing. In simple terms, the positioning accuracy of a linear motor(linear motor) has an origin position as a reference. Each time the positioning accuracy is calculated with the origin position, the repeated positioning accuracy is there is no origin position. Each location is an irregular position between two points.
Of course, the linear motor(linear motor) itself can not be positioned, and it is generally used to locate the Hall sensor, magnetic grid ruler, and grid ruler. The fixed positioning accuracy of the Hall sensor can reach ¡À 0.1 mm, and the fixed positioning accuracy of the magnetic grid ruler and the grid ruler is relatively high. If the fixed positioning accuracy is at the micron level, the use of a grid ruler can be considered, and the resolution is selected based on the required fixed positioning accuracy.
Kunshan Tongmao Electronics Co., Ltd. has devoted ten years to the production and research and development of linear Motors(linear Motors). The linear Motors(linear Motors) produced by the company use advanced European and American technical standards, processes and test methods, and their quality and power performance have reached advanced levels. It is recognized by customers at home and abroad.
This article originated from the original company of Kunshan Tongmao Electronics Co., Ltd.(www.tmmotion.com). Please indicate the source.
Linear motor