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Large-lead nut turning device

A large lead and nut technology, applied in the direction of tangent devices, metal processing equipment, manufacturing tools, etc., can solve the problems of poor consistency and low thread accuracy

Active Publication Date: 2011-09-14
SHANDONG PRECION GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Therefore, the present invention provides a large-lead nut turning device with high machining accuracy and good consistency in order to overcome the defects of low thread precision and poor consistency caused by the overhang of the cutter bar in the current large-lead nut machining.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] Refer to the attached figure 1 with 2 The high lead nut turning unit shown, figure 1 The double dotted line on the right shows the nut 4, and the left double dotted line shows the tool holder end face 2 for installing the tool holder 3. The basic structure of the large lead nut turning device is that it includes:

[0032] The tool holder 3 has a connecting structure connected to the tool rest of the lathe;

[0033] The tool bar 1 is fixedly mounted on the tool seat, and is used to overhang into the prefabricated hole of the nut 4 to be turned;

[0034] The turning tool 10 is fixed on the part of the tool bar that is used to hang into the nut 4;

[0035] It also includes:

[0036] The guide sleeve 6 is connected to the cutter bar, and is used to cooperate with the prefabricated hole of the nut 4 to form a shaft hole to form an auxiliary support.

[0037] Based on the above-mentioned structure, the installation of the tool bar 1 will not be negatively affected by the...

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PUM

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Abstract

The invention discloses a large-lead nut turning device, which comprises a cutter base, a cutter bar, a lathe tool and a guide sleeve, wherein the cutter base comprises a connecting structure connected with a lathe cutter saddle; the cutter bar is fixedly arranged on the cutter base for extending into a prefabricated hole of the nut to be turned; the lathe tool is fixedly arranged on the part of the cutter bar for extending into the nut; and the guide sleeve is connected with the cutter bar for forming shaft fitting with the prefabricated hole of the nut to form auxiliary supporting. The large-lead nut turning device is high in processing precision and good in processing consistence.

Description

technical field [0001] The invention relates to a large-lead nut turning device, which is used for thread forming of large-lead nuts, wherein the large-lead refers to a thread with a large diameter of φ600mm-φ1000mm, a length of 1000mm-2000mm, and a lead of 400mm-1000mm. Background technique [0002] Large-lead nuts have large structural dimensions, diameter φ600mm-φ1000mm, length 1000mm-2000mm, lead 400mm-1000mm, weight 10 tons-15 tons, and are generally processed on heavy-duty horizontal lathes. Thread turning is a difficult point in the processing of large-lead nuts. . During turning, the tool rod overhangs into the preformed hole, the tool seat is located outside the hole, the tool rod is overhanging and elongated, and the static stiffness is not easy to guarantee, especially the bending moment on the tool rod is very large, resulting in large deflection deformation and affecting Machining accuracy. At the same time, the vibration of the tool is amplified by the overhan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23G1/02B23G1/46
Inventor 马晓军陈海玲
Owner SHANDONG PRECION GROUP
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