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Heavy type numerical control vertical lathe and feeding mechanism reliability test system thereof

A CNC vertical and test system technology, which is applied in the testing of machine/structural components, testing of mechanical components, measuring devices, etc., can solve problems such as the inability to load heavy CNC vertical lathe workbenches and their feed mechanisms, and achieve The effect of shortening the data collection time

Active Publication Date: 2018-03-16
BEIHUA UNIV
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the reliability test problem that the current reliability test device cannot simulate the actual working condition loading of the heavy-duty CNC vertical lathe workbench and its feed mechanism, and provides a piezoelectric ceramic Reliability test system for heavy-duty CNC vertical lathe workbench and its feeding mechanism to simulate actual dynamic and static cutting loads and inertial loads using actuators, hydraulic pumps, and counterweights

Method used

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  • Heavy type numerical control vertical lathe and feeding mechanism reliability test system thereof
  • Heavy type numerical control vertical lathe and feeding mechanism reliability test system thereof
  • Heavy type numerical control vertical lathe and feeding mechanism reliability test system thereof

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Embodiment Construction

[0045] The present invention is described in detail below in conjunction with accompanying drawing:

[0046] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the present invention:

[0047] refer to figure 1 , a heavy-duty numerical control vertical lathe workbench and its feeding mechanism reliability test system, including counterweight inertial loading and loading auxiliary device part, radial loading part, axial loading part, torque loading part and automatic control part.

[0048] 1. Counterweight inertial loading and loading auxiliary device

[0049] refer to figure 1 , figure 2 , image 3 , the counterweight inertial loading auxiliary device part includes a counterweight 12 and a loading auxiliary device.

[00...

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Abstract

The invention relates to a workbench of a heavy type numerical control vertical lathe and a feeding mechanism reliability test system thereof so that a problem that the existing reliability testing apparatus can not carry out reliability testing on the workbench of the heavy type numerical control vertical lathe and the feeding mechanism thereof can be solved. The test system comprises a balancingweight inertial loading and loading auxiliary device portion, a radial loading portion, an axial loading portion, a torque loading portion and an automatic control portion; the radial loading portionincludes four sets of radial piezoelectric ceramic loading devices distributed uniformly around the workbench. The axial loading portion includes an axial piezoelectric ceramic actuator, an axial tension-pressure sensor and an axial displacement sensor. The torque loading portion includes a hydraulic pump, a torque sensor, a hydraulic servo valve and a photoelectric rotation speed sensor. The automatic control portion includes a radial controller, an axial controller, a torque controller, and a workbench motion control instrument.

Description

technical field [0001] The invention belongs to the technical field of reliability testing of heavy-duty cutting processing equipment, and in particular relates to a heavy-duty numerical control vertical lathe workbench capable of simulating inertial loads, dynamic and static cutting loads and a reliability testing system for a feeding mechanism thereof. Background technique [0002] Heavy-duty CNC vertical lathes are mainly used for processing large and extra-large parts, and are necessary machining equipment for industries such as national defense and military industry, wind power generation, nuclear power, transportation, metallurgy, and engineering machinery and equipment. Heavy-duty CNC vertical lathes have the characteristics of large self-weight, large workpiece weight, and large inertia, which cause frequent failures and serious reliability problems, and have become the focus of attention of machine tool manufacturers and users. Due to factors such as the huge scale ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 李洪洲张永超张坤刘瑞伽
Owner BEIHUA UNIV
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