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A method for processing tie rod parts on a horizontal lathe

A horizontal lathe and processing method technology, applied in the field of component processing, can solve problems such as low processing efficiency, and achieve the effects of improving processing efficiency, reducing transfer and positioning time, and reducing processing procedures.

Active Publication Date: 2019-06-21
HARBIN TURBINE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of low processing efficiency in the processing process of the tie rod parts of the existing horizontal lathe, the present invention proposes a processing method for the tie rod parts of the horizontal lathe

Method used

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  • A method for processing tie rod parts on a horizontal lathe
  • A method for processing tie rod parts on a horizontal lathe
  • A method for processing tie rod parts on a horizontal lathe

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Experimental program
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specific Embodiment approach 1

[0032] Specific implementation mode one: combine Figure 1-8 Illustrate the present embodiment, the present embodiment horizontal lathe tie rod part processing method is carried out according to the following steps;

[0033] Step 1: Sawing the blank bar on a sawing machine; the size of the blank bar is Φ60×165mm;

[0034] Step 2: Use a horizontal lathe to process rough turning of the outer circle of the rough bar. During the rough turning process of the outer circle, the size of the single side of the outer circle is 3mm, and the root of the step of the outer thread is turned into an R5 fillet;

[0035] Step 3: heat-treating the blank bar after the rough turning of the outer circle until the Rockwell hardness of the rough bar is 31HRC-35HRC, to obtain the tie rod blank;

[0036] Step 4: Use a horizontal lathe to perform the end face lathe, M24 thread lathe and chamfer lathe of the tie rod blank;

[0037] Step 5: Fix the positioning tool on the tool holder of the machine tool...

specific Embodiment approach 2

[0041] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that the cutting parameters of the lathe are set during the outer circle rough turning process described in step 2: the speed is 550r / min, the feed rate is 0.2mm / r, and the cutting depth is 3mm . Other steps and parameters are the same as those in the first embodiment.

specific Embodiment approach 3

[0042] Specific embodiment 3: The difference between this embodiment and specific embodiment 1 or 2 is that the heat treatment process described in step 3 is: place the blank bar in a medium-temperature furnace, and heat it at a temperature of 820-840°C for 25-35 minutes. Then put it in a water tank at 300-400°C to cool for 20-30 minutes, then put it in an oil tank to cool to room temperature, and finally put it in a tempering furnace and temper it at 550-560°C for 1.5-2.5 hours. Other steps and parameters are the same as those in Embodiment 1 or 2.

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Abstract

The invention provides a machining method for a pull rod component of a horizontal lathe, relates to a component machining method and aims to solve the problem about low machining efficiency in a component machining process of an existing horizontal lathe. The machining method comprises the following steps: step (1) sawing a blank rod material; step (2) roughly lathing the outer circle of the blank rod material, wherein the machining amount of the dimension of each surface is 3 mm, and a step root part of an external thread is lathed into an R5 circular bead; step (3) thermally treating the blank rod material until the Rockwell hardness of the blank rod material is 31 HRC to 35 HRC; step (4) performing end face lathing, M24 thread lathing and chamfer lathing on a pull rod blank by utilizing the horizontal lathe; step (5) milling key slots by positioning a milling cutter and a pull rod part by utilizing a positioning tool; and step (6) finally smoothening seamed edges. The machining method provided by the invention reduces the machining procedures by utilizing the positioning tool, reduces the transfer and positioning correction time of the pull rod component, improves the machiningefficiency for more than 30% and is applicable to machining of the pull rod component.

Description

technical field [0001] The invention relates to a component processing method. Background technique [0002] The tie rod part of the existing horizontal lathe is a tensioning part on the special knife row used by the horizontal lathe. When the tie rod is working, it is tightened with M24 thread. The tie rod is provided with a keyway for positioning the transmission key. The structure of the tie rod Schematic such as figure 1 as shown, figure 1 The left view of figure 2 As shown, the tie rod is composed of three cylindrical rods, namely the left cylindrical rod 1a, the middle cylindrical rod 2a and the right cylindrical rod 3a, the left cylindrical rod 1a is provided with external threads, the left cylindrical rod 1a and the middle cylindrical rod 2a The step root of the external thread of the left cylindrical rod 1a between them is R5 fillet, and the surface of the right cylindrical rod 3a is provided with an axial keyway 4a, and the diameter of the right cylindrical rod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B23B29/24
CPCB23B29/24B23P15/00
Inventor 孙盛丽张国梁魏成双赵祎昕刘剑范立刚武申萍吕岩峰
Owner HARBIN TURBINE