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Edge finder

A technology for edge finders and measuring parts, which is applied in the field of edge finders, and can solve problems such as unguaranteed, deflection of the measuring rod, and small measured values

Inactive Publication Date: 2013-06-12
HONGZHUN PRECISION MOLD KUNSHAN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the above-mentioned edge finder connects the fixed part and the measuring rod in series through the elastic part. When the tension of the elastic part is too large, the centrifugal force generated by the eccentricity is not enough to bounce the measuring rod, resulting in a small measurement value; When its elasticity is reduced due to use, the friction between the fixing part and the measuring rod is too small. When the fixing part rotates, it cannot guarantee that it can completely drive the measuring rod to rotate, resulting in serious deflection of the measuring rod. When it reaches the center position, the measuring rod will bounce off, causing the measured value to be too large
In addition, due to the traction of the elastic member, the measuring rod is always pulled towards the center of the axis, which affects the response sensitivity of the measuring rod
In addition, when the speed of the edge finder is too high, the measuring rod is easy to be thrown out, which may cause industrial accidents

Method used

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Embodiment Construction

[0013] The edge finder of the present invention will be further described in detail with reference to the drawings and embodiments.

[0014] figure 1 An edge finder 100 according to an embodiment of the present invention includes a fixing part 10 , a measuring part 20 and a connecting shaft 30 connecting the fixing part 10 and the measuring part 20 in series.

[0015] see figure 2 and image 3 , the fixing part 10 includes a mounting part 11 and a connecting part 12 . The mounting part 11 is in the shape of a cylinder, and is used for connecting with the spindle of the CNC machining machine. The connecting portion 12 is cylindrical, and one end near the measuring piece 20 is provided with a fixing hole 13. The fixing hole 13 includes a threaded hole 131 and an accommodation hole 132 communicating with the threaded hole 131, and the diameter of the threaded hole 131 is larger than that of the accommodation hole 132. The diameter is small so that a shoulder 133 is formed be...

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Abstract

The invention relates to an edge finder comprising a fixing piece, a measuring piece and a connecting shaft for connecting the fixing piece and the measuring piece, wherein through holes are arranged in the measuring piece; the connecting shaft comprises a stop part for preventing the measuring piece from disconnecting from the connecting shaft; the connecting shaft is fixed to the fixing piece to connect the measuring piece with the fixing piece after passing through the through holes of the measuring piece; and the measuring piece can offset in the direction perpendicular to the axis of thefixing piece corresponding to the fixing piece. The edge finder has the advantages of accurate measuring results and safe use.

Description

technical field [0001] The invention relates to an edge finder, in particular to an edge finder used in tool setting of a numerically controlled machine tool. Background technique [0002] Before cutting, the CNC machine tool must first check the starting point of the spindle tool, so that the tool can cut correctly according to the program setting, and the starting point of the tool can be the mechanical origin of the machine (that is, absolute coordinates) or relative coordinates . [0003] Usually, to check the absolute or relative coordinates of the cutting tool, the edge finder is clamped on the tool holder of the main shaft of the processing machine, and then the edge finder is placed against the edge of the workpiece to be cut on the workpiece holder to locate an axis. Direction (such as X-axis), and then lean on the other side of the workpiece to locate another axis (such as Y-axis), so that a coordinate is determined, which can be set as a relative coordinate or an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q17/00B23Q17/22
Inventor 杨明陆李岳
Owner HONGZHUN PRECISION MOLD KUNSHAN
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