A Boring Method for Machining Intersecting Box Holes
A technology of corners and boxes, which is applied in the field of corner box processing and manufacturing, can solve the problems of limited machine tool selection and inability to process ordinary boring machines, and achieve the effects of increased machine selection range, good use effect, and low rotation accuracy requirements
Active Publication Date: 2021-06-01
HANGZHOU ADVANCE GEARBOX GRP
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Problems solved by technology
[0003] One is that ordinary boring machines cannot process;
[0004] The second is that machine tools with this function are required, and there are limitations in the selection of machine tools
Method used
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Embodiment
[0030] Example: Take the processing of a certain type of corner box as an example, the parameters are: angle 7°±20", the center distance from the big end is 503.48±0.02, and the material is Q235 steel; the implementation steps are as follows:
[0031] 1) Communicate with the blank manufacturer to increase the process bosses on the left and right sides, the left side is used for processing pin holes, and the right side is used for parts clamping, such as Figure 10 shown. (This step is implemented in conjunction with the part structure)
[0032] 2) On the left side of the box, process the 4-φ16H7 positioning pin hole and the plane where the pin hole is located according to the hole system requirements of the part drawing and the CAD drawing conversion size, and install 4 pieces of GB119 16X30 cylindrical pins, such as Figure 11 shown.
[0033] 3) Put the positioning pin end of the box upwards, press Figure 4 Clamping at the processing position, first align the set of posit...
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A boring method for processing the hole system of an angled box body. The boring method is as follows: (a) the angled box body takes the processed support surface or bottom surface as a positioning reference, transforms it through computer-aided software drawing, and draws After the 4 pin hole positions on the hole system, process two sets of positioning pin holes according to the coordinates, and then process the plane where the pin holes are located; install cylindrical pins after processing; (b) re-clamp the corner box, and correct the positioning of one set of hole systems The plane where the pin and the group of pin holes are located; maintain this clamping method, after moving the main shaft down, set the radial direction coordinate of the center of the vertical hole system as "zero", and the axial starting point of the end surface of the box is L1 from the center of the pin hole Dimensions, machining vertical hole system; (c) Turn the machine tool worktable to an angle of α, correct the plane where the positioning pin and pin hole of another group of hole system are located, keep the clamping method, and move the spindle down to the radial coordinate of the intersecting hole system At the "zero" position, the axial starting point of the end face of the box is L2 from the center of the pin hole, and the intersecting hole system is processed.
Description
technical field [0001] The invention relates to a boring method for machining the hole system of an angle box, and belongs to the technical field of angle box processing and manufacturing. Background technique [0002] The intersection hole system that needs to be processed is as follows: figure 1 As shown, it requires to ensure the angle α and its center distance H; the existing boring machine processing technology is only limited to the processing of parallel hole systems, and cannot directly process intersecting hole systems. If you need to process intersecting hole systems, you need to choose a high Finishing center. Therefore, the current processing technology of the intersection hole system mainly has the following defects: [0003] One is that ordinary boring machines cannot process; [0004] The second is that machine tools with this function are required, and there are limitations in the selection of machine tools. Contents of the invention [0005] The purpos...
Claims
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IPC IPC(8): B23B35/00
CPCB23B35/00
Inventor 姚红燕金海明俞宗良
Owner HANGZHOU ADVANCE GEARBOX GRP