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Test device and test method for static and dynamic characteristics of rolling support linear feed system

A technology of linear feed system and rolling support, which is applied in the testing of machine gears/transmission mechanisms, etc., can solve problems such as difficult measurement of influence laws, and achieve the effects of clear testing principles, wide application, and compact structure

Inactive Publication Date: 2015-08-26
NANJING UNIV OF SCI & TECH
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  • Abstract
  • Description
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Problems solved by technology

[0004] It can be seen from the above that at present, when testing the static and dynamic characteristics of the machine tool feed system, it is mainly aimed at the feed system of a specific type of machine tool. The measurement of static characteristics and dynamic characteristics requires different devices. Different factors of system performance, such as load magnitude, direction, and feed speed and guideway span, etc., are difficult to measure their influence

Method used

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  • Test device and test method for static and dynamic characteristics of rolling support linear feed system
  • Test device and test method for static and dynamic characteristics of rolling support linear feed system
  • Test device and test method for static and dynamic characteristics of rolling support linear feed system

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Embodiment Construction

[0040] combine figure 1 , a rolling support linear feed system static and dynamic characteristics testing device, including a test platform and a test system connected to each other, the test platform includes a base 5, a rolling guide rail 10, a rolling guide rail slider 17, a bearing seat 7, a bearing 25 , motor 6, coupling 34, ball screw pair 8, nut seat 11, connecting plate 14, suspension rod 30, workbench 31, synchronization frame 29, synchronization push rod 16, bridge plate 33, rubber ring 15;

[0041] The upper surface of the base 5 is fixedly connected with four mutually parallel rolling guide rails 10, each rolling guide rail 10 is provided with a rolling guide rail slider 17, and a synchronization frame 29 is arranged above the two rolling guide rail sliders in the outer side, and two synchronization frames 29 are arranged on the synchronization frame 29 The bridge plates 33 parallel to each other, the straight line where the bridge plates 33 are located are perpend...

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Abstract

The invention relates to a device and a method for testing the static and dynamic characteristics of a rolling support straight feed system. The device comprises a base, a rolling guide, a rolling guide sliding block, a bearing support, a bearing, a motor, a coupling, a ball screw pair, a nut base, a connecting plate, a workbench, a synchronization rack, a synchronization push rod, a bridge plate, a loop, a normal force application bolt, a lateral force application bolt, an axial force application device, a vibration exciter, an elastic rope, a rubber ring, a rubber block, a current vortex displacement sensor, a piezoelectric acceleration sensor, an impedance head, a data acquisition unit, a charge amplifier, a power amplifier and a PC (Personal Computer) machine. Compared with the prior art, the device has the following obvious advantages: the structure is compact, the application is wide, the test principle is clear, and static and dynamic characteristic test functions are integrated; the device can be used for testing the normal, axial and lateral static characteristics of the feed system under different load conditions and testing the influences of different guide strided distances and feed speeds on the static and dynamic characteristics of the feed system.

Description

technical field [0001] The invention relates to a static and dynamic characteristic test device and a test method of a machine tool feed system, in particular to a static and dynamic characteristic test device and a test method of a rolling support linear feed system. Background technique [0002] The performance of the rolling support linear feed system has a very prominent impact on the overall performance of the machine tool. Its static and dynamic characteristics have a decisive impact on the positioning accuracy, sensitivity and running stability of the CNC machine tool, and have a great impact on improving the processing quality and efficiency of the machine tool. and system reliability play an important role. The static characteristic test mainly tests the overall stress and strain of the rolling support linear feed system under the action of static force, as well as the change law of stress and strain, and checks out the weak links of the system, so as to provide a b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/02
Inventor 汪振华袁军堂丁喜合黄俊翁建光程寓胡小秋董香龙
Owner NANJING UNIV OF SCI & TECH
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