Symmetrical measuring device and method of principal shaft shifting block groove
A spindle and symmetrical technology, which is applied in the field of measuring device for the symmetry of the spindle shifting block groove, can solve the problems of large measurement error, the inability of the measuring claws to be close to each other, and the inability to accurately measure the symmetrical value of the shifting block groove, etc., and achieve the effect of increasing the contact area
Inactive Publication Date: 2019-01-22
北京北一机床有限责任公司
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Problems solved by technology
The currently used measurement method is to use the two measuring claws of a symmetrical micrometer to hook the two ends of the groove on one side to measure the distance to the outer circle, and then hook the two ends of the groove on the other side to measure the distance to the outer circle. After the measurement, compare and pass the difference It is deduced that the dial groove is symmetrical, and the measuring melon is required to be close to the side of the groove during measurement. However, when measuring the shallower depth of the dial groove, the measuring claws cannot be close to both ends of the groove on one side. The measurement error is huge, and the dial cannot be accurately measured. Block slot symmetry
Method used
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Embodiment 1
[0023] Example 1: Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, a symmetrical measuring device for the spindle dial groove, the top of the meter base 2 has a protruding part, and the top protruding part of the meter base 2 has a Φ8 vertical hole 10, a M6 threaded horizontal hole 11, and the meter base 2 There are two M6 threaded holes 8 on the bottom, two stepped holes 7 on the slider 3, and the two stepped holes 7 correspond to the positions of the two M6 threaded holes 8. The slider 3 is connected to the meter base 2 through the first M6 bolt 5. Connection; Φ8 vertical hole 10 is connected to the measuring rod of the inner diameter dial indicator 1, and the inner diameter dial indicator 1 is fixed on the base 2 by the second M6 bolt 6.
[0024] A method for symmetrical measurement of the spindle dial groove. There are two step holes 7 on the slider 3, two M6 threaded holes 8 on the meter base 2, and the two M6 threaded holes 8 correspond to the positions of th...
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The invention discloses a symmetrical measuring device and method of a principal shaft shifting block groove, and belongs to the technical field of mechanical engineering cold machining. The top of agauge stand is provided with an extension part, the extension part of the top of the gauge stand is provided with a phi 8 vertical hole, a M 6 threaded cross hole, the bottom of the gauge stand is provided with two M6 threaded holes, a sliding block is provided with two stepped holes, the two stepped holes correspond to the two M6 threaded holes correspondingly and are connected with the gauge stand through a first M6 bolt; the phi 8 vertical hole is connected with a measuring rod of a bore dial indicator, and the bore dial indicator is fixed to the gauge stand through a second M6 bolt. According to the symmetrical measuring device and method of the principal shaft shifting block groove, the advantages that the contact area between the sliding block and the shifting block groove can be increased by the measuring sliding block, measurement of the sliding block attached to the groove side is carried out; precise measurement when the depth of shifting block groove is shallow is applied are achieved.
Description
Technical field [0001] The invention relates to a symmetric measuring device and a measuring method for a spindle shift block groove, belonging to the technical field of mechanical cold working. Background technique [0002] The symmetry accuracy of the spindle's shift block groove is a key part of the spindle-type workpiece and needs to be accurately measured. The measurement method currently used is to use a symmetrical micrometer with two measuring claws to hook the two ends of the one-side groove and measure the outer circle distance, and then hook the two ends of the groove on the other side to measure the outer circle distance. After measurement, compare and pass the difference. It is calculated that the shift block groove is symmetrical, and the measuring melon is required to be close to the side of the groove during measurement. However, when measuring the shallow shift block groove, the measuring claw cannot be close to the two ends of the unilateral groove, and the meas...
Claims
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IPC IPC(8): G01B5/252
CPCG01B5/252
Inventor 王利刚李佳毅刘平
Owner 北京北一机床有限责任公司