Interprocess calibration sample piece design and application method of mechanical steering gear nut

A technology of mechanical steering gear and calibration sample, which is applied in metal processing mechanical parts, metal processing equipment, manufacturing tools, etc., can solve the problems that product quality cannot be well guaranteed, low production efficiency, etc., and achieve convenient and intuitive measurement and detection. Convenience and the effect of ensuring product quality

Active Publication Date: 2014-11-05
DALIAN RUIGU SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the multi-sequence machining of steering nuts, there is currently no general inspection tool to judge whether the tooling for processing steering nuts is adjusted correctly after installing the machine tool. Judging whether the adjustment of the steering nut tooling is correct, the production efficiency is very low, and the product quality cannot be well guaranteed

Method used

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  • Interprocess calibration sample piece design and application method of mechanical steering gear nut
  • Interprocess calibration sample piece design and application method of mechanical steering gear nut
  • Interprocess calibration sample piece design and application method of mechanical steering gear nut

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Embodiment Construction

[0012] Figure 5 The design of the inter-process calibration sample of the mechanical steering gear nut shown is an integrated structure, one end of which is a large journal 2, and the other end is a small journal 3, and a long V-shaped block 4 is arranged on the large journal, and the long V The measuring rod 5 is used to position the type block 4; the calibration sample is in the machining of the steering nut. After the tooling is installed, before processing, (1) first install the calibration sample on the tooling of the lathe or grinder and clamp it (where The positioning method of the calibration sample is exactly the same as the positioning method of the steering nut. The long V-shaped block 4 is used for positioning through the measuring rod 5 in the middle, and then the measuring rod 6 is used for auxiliary positioning. The side is one end surface of the calibration sample. Positioning), measure the parallelism between the center line of the calibration sample and the ...

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Abstract

The invention provides an interprocess calibration sample piece design and an application method of a mechanical steering gear nut and relates to the technical field of the nut machining of the automobile mechanical steering gears. The sample piece is of an integrated structure, one end of the sample piece is a big shaft neck and the other end is a small shaft neck, the big shaft neck is provided with a long V-type piece, the long V-type piece is internally positioned by a length bar; when the calibration sample piece enters in each machining step of the steering nut, after a tool is installed and before the process starts, the method comprises the following steps of: (1) installing the calibration sample piece on the tool of a lathe or a grinder and clamping, measuring the depth of parallelism between the central line of the calibration sample piece and the positioning part of a tool rack, measuring a straight generatrix deviation of the excircle of the small shaft neck of the calibration sample piece from front to back by a dial indicator, adjusting the corresponding machine tooling according to the deviation, and finally adjusting the tool to reach the technical requirement of the machining step; and (2) measuring the perpendicularity between the central line of the calibration sample piece and the positioning part of the tool rack, and adjusting the tool to reach the technical requirement of the machining step.

Description

technical field [0001] The invention relates to the technical field of nut processing of an automobile mechanical steering gear, in particular to the design and use method of a calibration sample between the nut processes of a mechanical steering gear. Background technique [0002] The mechanical steering gear assembly is a safety component in the car, and its quality is closely related to human life, so the design of the steering gear is also different from other mechanical transmission devices. The working principle of the mechanical steering gear is to rotate the steering screw, and then drive the steering nut to generate displacement through the rolling of the steel ball in the steering screw raceway, and then drive the steering rocker shaft to rotate by the displacement of the steering nut, driving the steering to swing. To realize that the steel ball in the steering screw raceway smoothly passes through the guide tube to drive the steering nut to move, first of all, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q17/22
Inventor 姜永君解明钰姜瑞孙巍陈俊峰
Owner DALIAN RUIGU SCI & TECH
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