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A method for obtaining additional load loss coefficient of machine tool cutting system

A technology of cutting processing and loss coefficient, which is applied in the direction of metal processing equipment, metal processing machinery parts, manufacturing tools, etc., can solve problems such as the difficulty of additional load coefficient of machine tools, modeling of machine tool idle power, and complex calculation of machine tool cutting power. Achieve the effects of improving the energy efficiency of machine tools, simplifying the acquisition of additional load loss coefficients, and improving practical value

Active Publication Date: 2017-02-22
CHONGQING UNIV
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Problems solved by technology

[0004] In view of the above-mentioned deficiencies existing in the prior art, the purpose of the present invention is to provide a mapping acquisition method of the additional load loss coefficient of the machine tool cutting processing system, to solve the complicated calculation problem of the cutting power of the machine tool, the modeling problem of the idle power of the machine tool and the acquisition of the machine tool power loss coefficient. Difficult problems with additional load factors

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  • A method for obtaining additional load loss coefficient of machine tool cutting system
  • A method for obtaining additional load loss coefficient of machine tool cutting system
  • A method for obtaining additional load loss coefficient of machine tool cutting system

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specific Embodiment approach

[0033] see figure 1 , the present invention proposes a method for obtaining the additional load loss coefficient of the machine tool cutting system, the method is to obtain the overall cutting power model of the cutting system by designing the reference sample and the reference cutting parameters, and based on the model and other machine tool idling tool Power and detect the total input power of other machine tool cutting processing systems, and obtain the additional load loss coefficients of other machine tool cutting processing systems according to the additional load coefficient acquisition model. The specific implementation is as follows:

[0034] 1. Design of reference sample and reference parameters: The reference sample is designed according to the size of the machine table and the stroke range. Use l and w to represent the length and width of the reference sample, L m and W mrepresent the length and width of the machine table, respectively. Considering the installat...

Embodiment

[0079] On the milling machining center PL700 machine tool and the 5-axis vertical machining center HASS VF-5 / 50TR, the method of the present invention is used to calculate the additional load loss coefficient of the HASS VF-5 / 50TR through the milling power mapping model obtained on the PL700, and the process is as follows :

[0080] 1. Design of reference samples and reference parameters:

[0081] According to the conditions that the reference sample and reference parameters need to meet and the PL700 machine tool parameters (such as Table 3 and Table 4), select a 45 steel plate with a geometric size of 240x210x29 (mm) as the reference sample, such as figure 2 shown. The cutting tool is the RPEW1003MO HP7025R5 thin blade of Rui Nike Precision Tool, the maximum diameter of the cutting edge is 25mm, and the minimum diameter is 15mm. Kistler9257B multi-functional force measuring instrument, 5670A data acquisition system and 5070 channel charge amplifier are used to measure cutti...

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Abstract

The invention provides an additional load loss coefficient acquiring method of a machining system of a machine tool. The additional load loss coefficient acquiring method based on a machine tool as a reference machine tool includes designing a reference sample, reference machining parameters and a reference tool to acquire machining power under the reference machining parameters; establishing an integral machining power model of the machining system based on the acquired machining power; mapping the integral machining power model of the reference machine tool to any one of machine tools machining the reference sample and setting up an idle tool feed power database of the machine tool; machining the reference sample by the same tool and detecting the total input power of the machining system of the machine tool, and acquiring the additional load loss coefficient of the machining system of the machine tool according to the acquired machining power model and the idle tool feed power database. The additional load loss coefficient acquiring method effectively solves the problem of difficulty in acquisition and provides important support for energy dissipation analysis and energy efficiency evaluation and the like of the machine tool.

Description

technical field [0001] The invention relates to the technical field of machine tool cutting, in particular to a method for acquiring the additional load loss coefficient of a cutting processing system. Background technique [0002] At present, the additional load loss coefficient can provide important support for machine tool energy consumption analysis, energy efficiency evaluation, and workpiece energy efficiency prediction and optimization. The additional load loss coefficient of the existing cutting processing system is mostly obtained through experimental measurement, that is, it is obtained by fitting and solving by detecting the input power of the main drive system, the spindle speed and cutting power. This method needs to install a cutting power detection instrument on the machine tool. For some machine tools that are inconvenient to install cutting instruments on the workbench, the load loss coefficient is difficult to obtain by this method. Moreover, the cutting p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q17/00
CPCB23Q17/00
Inventor 刘飞黄静邱行谢俊
Owner CHONGQING UNIV
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