Diamond circular saw web design and sawing process parameter setting method

A technology of process parameters and circular saw blades, which is applied in the field of design of diamond circular saw blades and formulation of sawing process parameters, can solve the problems of related theoretical research not being transformed into practical operation basis and guidance methods, surface processing quality reduction, diamond circular saw Chip damage and other problems, to optimize the structural size and processing parameters, avoid resonance, reduce vibration

Active Publication Date: 2017-05-31
深圳市博金硬质工具有限公司
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Problems solved by technology

And if the external excitation frequency is close to or equal to the natural frequencies of each order of the circular saw blade, it will cause the circular saw blade to resonate, resulting in deflection of the saw kerf, wear of the saw blade, reduced surface processing quality, cracking of stone raw materials, and even diamond circular saw blades. chip damage
At present, the design of circular saw blades and the formulation of sawing process parameters are mostly based on empirical design, and relevant theoretical research has not been transformed into practical basis and guiding methods.

Method used

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  • Diamond circular saw web design and sawing process parameter setting method
  • Diamond circular saw web design and sawing process parameter setting method

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Embodiment 1

[0040] Embodiment 1: The present invention provides a kind of diamond circular saw blade design and the formulating method of sawing process parameter, first use modal experiment to verify the reliability of modal simulation analysis method:

[0041] ⑴. Taking a piece of ordinary diamond circular saw blade 1 with a diameter of Φ400mm as the test piece, conduct a constraint modal experimental analysis on it. For the experimental schematic diagram, see figure 1 , the chuck 2 with a diameter of Φ100mm is used for clamping and restraint. Various measuring sensors 3 are placed on the diamond circular saw blade 1, including force sensors and multiple acceleration sensors, and the signals received by each sensor are respectively passed through the charge adapter. 4 is sent to the signal test and analysis system 5, through the analysis and processing of the experimental data, after the experiment, the modal frequencies of each order of the diamond circular saw blade 1 can be obtained. ...

Embodiment 2

[0086] Embodiment 2: the diamond circular saw blade design provided by the present invention and the formulation method of sawing process parameters are applied to actual production, and the selection of diamond circular saw blades and the formulation of sawing process parameters are carried out, specifically as follows:

[0087] Assuming that the stone to be processed in actual production is granite, if the linear cutting speed of the diamond circular saw blade is pre-selected as 25m / s, the cutting depth of the stone is 120mm, and the clamping diameter ratio is 0.4. Considering the size of the chuck, the circular saw blade The cutting depth should be greater than 120mm, according to the calculation formula of the maximum cutting depth of the circular saw blade: 0.5×(D-0.4D)>120; therefore, the diameter of the diamond circular saw blade should be greater than 400mm.

[0088] According to the specifications of diamond circular saw blades, the specifications of circular saw blade...

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Abstract

The invention relates to a diamond circular saw web design and sawing process parameter setting method. The method includes: a model experiment is used to verify the reliability of a modal simulation analysis method; different types of diamond circular saw webs are selected, and the diameters and thicknesses of the diamond circular saw webs are used as the independent variables to perform constraint modal analysis to obtain the function relationship between the first 6 order of resonance frequency of the diamond circular saw webs and the diameters and thicknesses of the diamond circular saw webs; determining the diameters, linear cutting speed and machining rotation speed of the diamond circular saw webs and the relationship between each order of resonance frequency and the diameters and thicknesses of the diamond circular saw webs according to the size and hardness of to-be-machined materials, acquiring the relationship between excitation frequency generated during machining and the rotation speed and tooth number of the diamond circular saw webs, and setting the appropriate thicknesses and tooth number of the diamond circular saw webs to build a diamond circular saw web design and sawing process parameter constraint model under the condition that the situation that resonance and working rotation speed is smaller than critical rotation speed is avoided. The method is high in universality and applicable to the design and sawing process parameter optimization of various diamond circular saw webs.

Description

technical field [0001] The invention belongs to the technical field of engineering, and in particular relates to a diamond circular saw blade design and a method for formulating sawing process parameters. Background technique [0002] Diamond circular saw blades have been widely used in the processing of materials such as stone, glass, ceramics, crystals, and gemstones, as well as in the construction of houses, roads, and bridges. The diamond circular saw blade is a circular thin plate structure, its lateral stiffness is small, and it is prone to bending deformation. Modal analysis is to study the natural vibration characteristics of mechanical structures, and the modal frequencies of each order of the structure correspond to its natural frequencies of each order (ie, resonance frequency). According to the critical speed theory, the working speed of the circular saw blade must be much lower than its critical speed to ensure the stability of its rotation state, and the criti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/17G06F30/20
Inventor 李波范勇张萌徐凯丁腾飞杨洋
Owner 深圳市博金硬质工具有限公司
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