Space thermal error measuring system of five-axis numerical control machine tool
A technology of CNC machine tools and measurement systems, applied in the direction of measurement/indicating equipment, metal processing machinery parts, metal processing equipment, etc., can solve the problem of large thermal error values
Inactive Publication Date: 2020-05-19
XIAN UNIV OF POSTS & TELECOMM +1
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Problems solved by technology
[0006] The object of the present invention is to provide a space thermal error measurement system of a five-axis CNC machine tool to solve the problem in the prior art that when the cuboid measurement standard part is applied to the thermal error measurement of a five-axis numerical control machine tool, if the measurement standard part produces a rotation angle, There is a technical problem that the thermal error in one direction affects the larger thermal error value in other directions
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[0021] An embodiment of a five-axis CNC machine tool space thermal error measurement system Figure 1~5 As shown: the three vertically intersecting directions in the defined space are respectively the X direction, the Y direction and the Z direction. In this embodiment, the Z direction refers to the vertical direction. The five-axis CNC machine tool space thermal error measurement system includes a measurement standard part 29 for fixing on the workbench 31 of the CNC machine tool, and also includes a probe for fixing at the position of the spindle tool of the CNC machine tool, and the measurement standard part includes a standard ball Head 35, standard ball head 35 has a standard spherical surface for measurement by said probe.
[0022] The measuring standard 29 is installed on the workbench 31 through the reference ball base 30 . Specifically, the inverted T-shaped groove on the workbench is equipped with an inverted T-shaped connecting strip, and the inverted T-shaped conn...
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The invention relates to a space thermal error measuring system of a five-axis numerical control machine tool. Three directions which perpendicularly intersect in the space are defined as the X direction, the Y direction and the Z direction. The space thermal error measuring system of the five-axis numerical control machine tool comprises measuring standard pieces used for being fixed to a workbench of the numerical control machine tool and further comprises measuring heads used for being fixed to the position of a spindle cutter of the numerical control machine tool. Each measuring standard piece comprises a standard ball head, wherein the standard ball head is provided with a standard spherical surface used for being measured by the corresponding measuring head. The space thermal error measuring system of the five-axis numerical control machine tool solves the technical problem that in the prior art, when a cuboid measuring standard piece is used for thermal error measurement of thefive-axis numerical control machine tool, if the measuring standard piece generates a rotation angle, a thermal error in one direction has a large influence on thermal error values in other directions.
Description
technical field [0001] The invention relates to a space thermal error measurement system of a five-axis numerical control machine tool in the field of thermal error measurement of a numerical control machine tool. Background technique [0002] At present, with the continuous deepening of the process of Industry 4.0 and the continuous advancement of the strategic plan of manufacturing a powerful country in "Made in China 2025", the development direction of industrial manufacturing tends to be intelligent, flexible, and high-precision. Among them, the CNC machine tool, as an unobtainable processing unit in the production process, is the key research object of the development strategy of a manufacturing power. [0003] The thermal error can account for 40~70% of the total error of the machine tool, especially for the five-axis CNC machine tool. Compared with the three-axis CNC machine tool, the two extra degrees of freedom improve the processing flexibility of the machine tool,...
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Login to View More IPC IPC(8): B23Q17/00
CPCB23Q17/00
Inventor 刘辉汪友明段章领唐大凤李龙李红王宁
Owner XIAN UNIV OF POSTS & TELECOMM