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One-dimensional precision translational mechanism

A translational and precise technology, applied in the direction of mechanical equipment, linear motion bearings, anti-centrifugal force rotating parts, etc., can solve the problems of ignoring transmission errors, affecting the motion accuracy of translational mechanisms, and large transmission errors, etc., to achieve precision transmission Effect

Pending Publication Date: 2018-02-27
XIAN TECHNOLOGICAL UNIV
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Problems solved by technology

[0004] Some scholars have analyzed the force of the one-dimensional parallel reed mechanism, established a mathematical model, and deduced the relationship between the deformation and displacement of the parallel reed mechanism under the action of external force, but the researchers only considered the relationship between the translational mechanism and the fixed mechanism. The horizontal motion of the horizontal motion, while ignoring the transmission error in the axial direction orthogonal to its motion direction, and if the longitudinal dimension of the parallel reed mechanism is larger, the transmission error introduced by the system will be larger, which greatly affects the translation mechanism. movement precision

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] This embodiment provides a one-dimensional precision translation mechanism (see figure 1 — image 3 ), including a "U"-shaped fixed plate 1 and a moving plate 5, a permanent magnet 3 is arranged on the upper side of the horizontal plate of the "U"-shaped fixed plate 1, and an electromagnetic mechanism 4 is arranged on the permanent magnet 3. The bottom of the translation plate 5 is connected with the electromagnetic mechanism 4 through the electromagnetic mechanism mounting frame 14, by adjusting the size of the electric signal on the electromagnetic mechanism 4, the adjustment of the force...

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Abstract

The invention discloses a one-dimensional precision translational mechanism which can achieve the functions of precision transmission and precise measurement. The one-dimensional precision translational mechanism conducts transmission through two parallel reed mechanisms. The two parallel reed mechanisms are arranged in a sleeved mode. The one-dimensional precision translational mechanism has constant potential energy and continuous motion balance within the travel range. On one hand, the motion track of a translational plate and a displacement detection device are located on the same straightline to accord with the Abbe principle, so that the Abbe error of mechanism transmission is zero. Accordingly, precision transmission of the translational plate relative to a fixed plate is realized;on the other hand, the translational mechanism can guarantee that the accumulated motion error is zero in the axial direction of coordinates orthogonal to the motion direction of the translational mechanism. Thus, the one-dimensional precision translational mechanism has the advantages of being high in motion precision, good in motion sensitivity, free of mechanical friction, gaps and lubricationin the motion process and the like. The one-dimensional precision translational mechanism can be widely applied to the technical fields such as precision measurement, precision manufacturing and precision transmission.

Description

technical field [0001] The invention belongs to the technical fields of precision manufacturing, precision transmission and precision measurement, and specifically relates to a one-dimensional precision translation mechanism. Background technique [0002] One-dimensional precision translation technology is one of the key technologies of modern precision and ultra-precision machining and measurement technology. It is widely used in technical fields with high precision requirements such as precision ultra-precision machining and precision measurement. It has a role in precision transmission and modern manufacturing technology. With the rapid development of modern precision manufacturing and measurement technology, research and application of precision translational mechanisms are involved in various fields such as coordinate measurement systems, micro-nano manufacturing systems, automobile manufacturing, and aerospace. [0003] The traditional precision translational mechanism...

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Application Information

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IPC IPC(8): F16C32/04F16C29/00
CPCF16C32/0472F16C2300/28
Inventor 强怀博王洪喜王丽吴琼侯志敏王建华
Owner XIAN TECHNOLOGICAL UNIV
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