Reliability loading testing device and method for main shaft of numerically controlled lathe

A loading test device, loading device technology, applied in the direction of measuring devices, testing of mechanical components, testing of machine/structural components, etc., can solve the problems of lack of testing of spindle precision decline, easy loss of precision, spindle loading, etc., to achieve improvement Test efficiency and fault acquisition speed, scientific test method, high efficiency effect
CN104019986AInactive Publication Date: 2014-09-03通用技术集团沈阳机床有限责任公司
7 Cites 39 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
通用技术集团沈阳机床有限责任公司
Publication Date
2014-09-03
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention relates to a reliability loading testing device and a reliability loading testing method for a main shaft of a numerically controlled lathe. The testing device comprises a testing platform body and a control system, wherein the testing platform body is provided with a motor, a radial cutting force simulated loading device, an axial cutting force simulated loading device, a bearing loading unit and a torque loading system. The main shaft to be detected is fixedly arranged on the testing platform body through a main shaft box . The motor drives the main shaft to be detected by a belt; the radial cutting force simulated loading device, the axial cutting force simulated loading device and the torque loading system are used for applying a torque, a radial force and an axial force to the main shaft to be detected through the bearing loading unit. The invention creates a condition for simulating the main shaft under a cutting state of the lathe; a reliability loading test and a precision recession test on the main shaft of the numerically controlled lathe can be realized; an early-stage fault of the main shaft is exposed and a precision recession rule of the main shaft is grasped.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the field of machine tool spindle testing, in particular to a reliability loading test device and method for a CNC lathe spindle. Background technique

[0002] As the main motion system of CNC machine tools, the spindle is one of the most important functional components of CNC machine tools. The reliability of the machine tool depends largely on the spindle system, whose failures occur frequently and are highly harmful. Moreover, due to the high-speed movement of the spindle, the precision is easily lost in the cutting state. Domestic reliability tests on CNC machine tool spindles started relatively late. At present, the reliability tests on spindles are mainly carried out on machine tools, and only simple continuous dry-running tests and temperature rise tests can be carried out. It is impossible to simulate dynamic cutting force on the spindle. In the case of loading, the test for the deterioration of the spindle accuracy i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More