Small eccentricity workpiece alignment method
A technology of small eccentricity and workpiece, applied in the field of alignment of small eccentric workpieces, can solve the problem of difficult cutting of multi-head worms, and achieve the effect of convenient alignment, guaranteeing machining quality and machining accuracy, and simple operation.
Inactive Publication Date: 2017-05-31
SHAANXI ALLIANCE LOGISTICS
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Problems solved by technology
Multi-head worms are difficult to cut, especially for split heads, which are prone to machining errors
Method used
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Experimental program
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Effect test
Embodiment Construction
[0012] The alignment method of the small eccentric workpiece of the present invention comprises the following steps:
[0013] The first step is to make an arc gasket, the thickness of the gasket h = 1.5 times the eccentricity;
[0014] The second step is to draw the line with the marking tools such as height gauge, dividing head and planning plan;
[0015] The third step is to clamp the fine reference, and use the magnetic dial indicator to straighten the two busbars that are 90° to each other;
[0016] The fourth step is to find the eccentricity around the table, touch the head of the dial indicator to the workpiece, turn the workpiece, find the highest point of the main shaft, and then move the dial indicator forward to find the highest point of the workpiece. At this time, the point is the first 2 The intersection point of the highest point, that is, take this point as the reference point to go around the watch to the lowest point of the workpiece, and finally the number o...
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The invention related to the field of machining, and specifically relates to a small eccentricity workpiece alignment method. The method comprises the following steps: making an arc-shaped gasket, wherein the thickness h of the gasket is 1.5 times of an eccentric distance; carrying out the scribing through employing a height gauge, a dividing head and a scribing compass; Clamping a reference, and straightening two perpendicular buses through a magnetic dial indicator; winding around the dial indicator for searching eccentricity, enabling the head of the dial indicator to make good contact with a workpiece, rotating the workpiece, finding the highest point of a main shaft, enabling the dial indicator to move forwards, and finding the highest point of the workpiece, wherein a point at this moment is the intersection point of the former two highest points, i.e., taking the point as the reference point to carry out the winding of the dial indicator at a lowest point of the workpiece, and the number of winding circles is equal to 2e; directly adding a flat hard paper piece to the gasket or another two clamping pieces when the number of winding circles is not equal to 2e; pulling the buses through the dial indicator, and repeatedly correcting the winding till the requirements are met. The method is simple in operation, facilitates the alignment of the workpiece, and can guarantee the machining quality and precision of the workpiece in a machining process.
Description
technical field [0001] The invention relates to the field of machining, in particular to a method for aligning small eccentric workpieces. Background technique [0002] Eccentric workpieces are often encountered in cutting processing, and are currently an important test point in vocational skill appraisal exams and various skill competitions. The difficulty in processing such parts lies in how to find the eccentricity quickly and accurately. The eccentric alignment can be completed quickly if the method is proper, otherwise it is very difficult to complete, and some operators often have no way to start. The general processing method is to accurately drill eccentric holes with a coordinate boring machine, and then cut the eccentricity. If there is no coordinate boring machine, a new method can be used: use the scale of the middle carriage and the magnetic gauge to find the eccentricity, that is, the method of connecting the table. Multi-head worms are difficult to cut, espec...
Claims
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IPC IPC(8): G01B5/252
CPCG01B5/252
Inventor 刘秋丽
Owner SHAANXI ALLIANCE LOGISTICS