Guiding accuracy refers to the exact level of the motion trajectory of the moving component when it moves along the guide surface of the guide rail. The main factors affecting the guiding accuracy are the geometric accuracy of the guide surface of the guide rail, the structure type of the guide rail, the contact accuracy of the guide rail pair, the surface roughness, the stiffness of the guide rail and the support, the oil film thickness and oil film stiffness of the guide rail pair. The geometric accuracy of linear motion guides generally includes: straightness in the vertical and horizontal planes; parallelism between the two guide surfaces. The geometric accuracy of the guide rail can be expressed by the error on the entire length of the guide rail or the error on the unit length.

Motion smoothness is the performance of the guide rail that does not crawl during low-speed motion or micro-movement. The stability is related to factors such as the structure of the guide rail, the matching of the materials of the guide rail pair, the lubrication condition, the properties of the lubricant and the stiffness of the transmission system of the guide rail movement.

Vibration resistance and stability refer to the performance without self-excited vibration under given operating conditions; while vibration resistance refers to the ability of the module pair to accept forced vibration and shock.

Accuracy persistence: refers to the ability to maintain the original geometric accuracy during the work process. Accuracy persistence mainly depends on the wear resistance and dimensional stability of the guide rail. Wear resistance is related to the material matching, force, machining accuracy, lubrication method and performance of the protective device of the guide rail pair. Residual stresses in the rail and its supports can also affect the precision adherence of the rail.

Stiffness is especially important for precision machinery and instruments. The deformation includes the deformation of the guide rail body, the contact deformation of the guide rail pair, and the ability of the guide rail to resist force deformation.

The deformation will affect the relative position and guiding accuracy between the components. Both should be considered.

Motion Sensitivity and Positioning Accuracy Linear guide motion sensitivity refers to the smallest stroke that can be achieved by the moving member; positioning accuracy refers to the ability of the moving member to stop at a specified position as required. The motion sensitivity and positioning accuracy are related to factors such as guide rail type, friction characteristics, motion speed, transmission stiffness, and quality of moving components.

Dongguan Keyang Automation Equipment Co., Ltd. TICO is a high-tech enterprise specializing in R&D, manufacturing, sales and service of slide module, linear module, linear motion unit, precision manipulator, and servo positioning slide automation equipment. The company has a group of elite talents who have been engaged in the field of automation control for a long time, with rich field experience and advanced technology. The company adheres to the core value of "creating value for partners", and takes "inheritance-oriented, trust-based" as the enterprise spirit. By continuously improving the service and marketing system, insist on independent innovation and self. Welcome to consult!

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