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Fast automatic lathing and milling processing method for large thin wall cylindrical grids parts

An automatic processing and grid technology, applied in the field of mechanical cutting, can solve the problems of low rigidity and strength, low yield, low production efficiency, etc., and achieve the effect of simple processing technology, meeting technical requirements and high production efficiency

Inactive Publication Date: 2007-01-24
沈阳工业学院
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Problems solved by technology

At present, the milling method of ordinary milling machine is usually used. This processing method not only has low production efficiency, but also has high requirements for dimensional accuracy and shape position accuracy. It is difficult to guarantee product quality and the yield is low. Even if CNC processing technology is used, due to The rigidity and strength of the parts are low, and the processing deformation is easy to occur during milling, so the technical requirements for processing accuracy and physical and mechanical characteristics cannot be met

Method used

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  • Fast automatic lathing and milling processing method for large thin wall cylindrical grids parts
  • Fast automatic lathing and milling processing method for large thin wall cylindrical grids parts
  • Fast automatic lathing and milling processing method for large thin wall cylindrical grids parts

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Embodiment Construction

[0011] The technical method of the high-speed turning and milling of the cylindrical mesh of the present invention is further illustrated in conjunction with examples. For example, processing, a thin-walled part of a rotating body with a diameter of 1500mm, a wall thickness of 6mm, and a height of 450mm. Such as figure 1 As shown, the inner surface has a cylindrical grid structure. Using an elevated five-axis linkage processing machine tool, the first step: first process the reference plane, outer circle and inner hole of the part; the second step: forming and processing the cylindrical grid, using a φ20mm TiN coated four-tooth finger milling cutter, the tool The fast forward speed is 45m / min, the tool speed is 12000r / min, and the cutting feed speed is 2.5mm / s. High-speed wind cooling is adopted, and the wind pressure is 5-6Mpa. At room temperature, the tool continuously processes the cylindrical mesh according to the processing program. The trajectory of the tool movement ...

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Abstract

A method for automatically machining the large thin-wall workpiece with lattice on its cylindrical surface by high-speed turning and milling includes such steps as machining reference surface, internal hole and extenal circumference, machining lattice on cylindrical sulface, machining radial holes,and fine finishing. Its computer program is also disclosed.

Description

technical field [0001] The invention belongs to mechanical cutting processing technology, in particular to a high-speed turning and milling automatic processing method for large thin-walled cylindrical grid parts. Background technique [0002] Such as figure 1 As shown, a large thin-walled rotary part with a rectangular grid structure on the inner surface has a diameter of 1500 to 3000mm, a height of 400 to 800mm, and a wall thickness of 5 to 10mm. The processed grid-like concave surface, so the processing of "thin-walled cylindrical grid" is very difficult, especially the processing of those incomplete grid concave surfaces is even more difficult. At present, the milling method of ordinary milling machine is usually used. This processing method not only has low production efficiency, but also has high requirements for dimensional accuracy and shape position accuracy. It is difficult to guarantee product quality and the yield is low. Even if CNC processing technology is use...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C3/02B23C3/28G05B15/00G05B19/00B23P23/02
Inventor 贾春德王凡张志军
Owner 沈阳工业学院
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