Online monitoring and energy-saving optimization method for energy efficiency of wire electrical discharge machining
A technology of electric discharge wire and cutting processing, which is applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., and can solve problems such as unsatisfactory discharge effect, unstable energy efficiency, and unstable current.
Active Publication Date: 2019-12-31
ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology
Processing with unstable current and unsatisfactory discharge effect, unstable energy efficiency and high instantaneous energy efficiency
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[0023] refer to figure 1 , the present invention comprises the following steps:
[0024] Step 1: Obtain workpiece geometry, blank information, and electrical parameters: the blank information includes blank size, blank material, and blank size includes blank length, width, and thickness;
[0025] Step 2: Divide cutting events according to time nodes: divide the processing process into cutting events according to cutting types and time nodes;
[0026] Step 3: Real-time acquisition of instantaneous voltage and instantaneous current: through the electrical signal acquisition device, the instantaneous voltage and instantaneous current of the incoming line end of the wire electric discharge machine tool are collected in real time;
[0027] Step 4: Instantaneous power real-time processing: instantaneous voltage and instantaneous current are calculated to obtain instantaneous power;
[0028] Step 5: Real-time processing of instantaneous energy consumption: the instantaneous energy ...
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The invention discloses an online monitoring and energy-saving optimization method for the energy efficiency of wire electrical discharge machining. The method comprises the following steps: S1, a geometric figure, blank information and electrical parameters of a work piece are acquired; S2, cutting events are divided according to time nodes; S3, an instantaneous voltage and an instantaneous current are collected in real time; S4, instantaneous power is processed in real time; S5, instantaneous energy consumption is processed in real time; S6, the instantaneous energy efficiency of wire electrical discharge machining is acquired; S7, the energy efficiency is judged; and S8, energy-saving optimization is performed. The machining energy efficiency can be obtained according to the work pieceinformation and the real-time voltage and current and monitored online. Whether the electrical parameters are optimized or not is judged according to the machining energy efficiency, so that a propermachining process scheme can be obtained.
Description
【Technical field】 [0001] The invention relates to the technical field of energy efficiency of wire electric discharge machining, in particular to the technical field of on-line monitoring of energy efficiency of wire electric discharge machining and an energy-saving optimization method. 【Background technique】 [0002] At present, with the development of the economy, environmental resources are increasingly being destroyed. In order to achieve sustainable economic development, it is necessary to save resources and realize sustainable manufacturing. The 2015 "BP World Energy Statistical Yearbook" pointed out that China's electricity consumption in 2014 was 240.8 million tons of oil equivalent, accounting for 27.4% of the world's total electricity consumption, an increase of 15.7%. "China Energy Statistical Yearbook 2013" pointed out that the electricity consumption of China's manufacturing industry was 2682.246 billion kWh, accounting for 80.46% of industrial electricity consu...
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Login to View More IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 王黎航郑军周行健黄彬彬赖旭伟
Owner ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY