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A kind of pre-deformation quenching processing method of hard rail surface of machine tool

A processing method and pre-deformation technology, applied in metal processing equipment, manufacturing tools, milling machine equipment, etc., can solve problems such as low efficiency, and achieve the effects of saving time, improving work efficiency, and reducing deformation

Active Publication Date: 2020-12-11
YUNNAN TAIBIAO NUMERICAL CONTROL MACHINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing technology only mills the upper guide rail into a convex, while the lower guide rail is flat. After quenching, the deformation of the upper guide rail is not large, but the deformation of the lower guide rail is very large, basically reaching about 1mm. Due to the large deformation, The next process is the grinding machine, and the cutting amount of the grinding machine is only 0.1mm each time, so at least 10 knives need to be ground, which will cause low efficiency

Method used

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  • A kind of pre-deformation quenching processing method of hard rail surface of machine tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Please refer to figure 1 As shown, this embodiment provides a method for pre-deformation and quenching of the hard rail surface of a machine tool,

[0029] 1) Fix the hard rail of the machine tool to the work surface of the milling machine by using a clamp. The clamp includes an L-shaped support seat 1. A number of installation holes 2 are processed on the vertical plate of the L-shaped support seat. The L-shaped support seat 1 is installed on the On the working table of the milling machine, a threaded hole is processed on the horizontal plate of the L-shaped support seat 1, and the internal thread of the threaded hole is connected with a limit rod 3, and a clamp block 4 is welded on the limit rod 3, and the machine tool The hard rail is placed on the horizontal plate of the L-shaped support seat 1, and then the height of the limit rod 3 is adjusted to make the clamping block 4 press against the hard rail of the machine tool;

[0030] 2) Use a milling cutter to mill th...

Embodiment 2

[0034] Please refer to figure 1 As shown, this embodiment provides a method for pre-deformation and quenching of the hard rail surface of a machine tool,

[0035] 1) Fix the hard rail of the machine tool to the work surface of the milling machine by using a clamp. The clamp includes an L-shaped support seat 1. A number of installation holes 2 are processed on the vertical plate of the L-shaped support seat. The L-shaped support seat 1 is installed on the On the working table of the milling machine, a threaded hole is processed on the horizontal plate of the L-shaped support seat 1, and the internal thread of the threaded hole is connected with a limit rod 3, and a clamp block 4 is welded on the limit rod 3, and the machine tool The hard rail is placed on the horizontal plate of the L-shaped support seat 1, and then the height of the limit rod 3 is adjusted to make the clamping block 4 press against the hard rail of the machine tool;

[0036] 2) Use a milling cutter to mill th...

Embodiment 3

[0040] Please refer to figure 1 As shown, this embodiment provides a method for pre-deformation and quenching of the hard rail surface of a machine tool,

[0041] 1) Perform vibration aging treatment on the hard rail of the machine tool, the vibration time of the vibration aging treatment is not less than 15min, and the vibration frequency is 100HZ-150HZ.

[0042] 2) Use a fixture to fix the hard rail of the machine tool on the work surface of the milling machine. The fixture includes an L-shaped support seat 1. A number of mounting holes 2 are processed on the vertical plate of the L-shaped support seat. The L-shaped support seat 1 is installed on On the working table of the milling machine, a threaded hole is processed on the horizontal plate of the L-shaped support seat 1, and the internal thread of the threaded hole is connected with a limit rod 3, and a clamp block 4 is welded on the limit rod 3, and the machine tool The hard rail is placed on the horizontal plate of the...

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Abstract

The invention relates to the technical field of machine tool hard rail machining, and discloses a machine tool hard rail surface predeformation quenching method. The machine tool hard rail surface predeformation quenching method includes the steps that 1), a machine tool hard rail is fixed to the working tabletop of a milling machine through a clamp; 2), the upper rail surface of the machine toolhard rail is milled to be convex through a milling cutter, and an upper rail surface groove is formed; 3), after the upper rail surface of the machine tool hard rail is milled, the lower rail surfaceof the machine tool hard rail is milled to be convex through the milling cutter, and a lower rail surface groove is formed; and 4), the machine tool hard rail is taken down from the milling machine tobe quenched. The grooves are simultaneously milled in the upper rail surface and the lower rail surface of the machine tool hard rail, predeformation is formed, deformation generated in the quenchingprocess of the upper rail surface of the machine tool hard rail and the predeformation are offset, thus, the deformation generated after the machine tool hard rail is quenched is greatly reduced, during later grinding machine treatment, the time is greatly saved, and the working efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of machine tool hard rail processing, and in particular relates to a pre-deformation and quenching processing method for the hard rail surface of a machine tool. Background technique [0002] As an important rolling functional part, linear guide rail is mainly used in the motion positioning and guidance of high-end CNC machine tools and other high-precision equipment. Generally, induction hardening is used to achieve high hardness and high wear resistance quench hardening of the rail areas on both sides of the guide rail. layer requirements. [0003] The existing technology only mills the upper guide rail into a convex, while the lower guide rail is flat. After quenching, the deformation of the upper guide rail is not large, but the deformation of the lower guide rail is very large, basically reaching about 1mm. Due to the problem of large deformation, The next process is the grinding machine, and the cutti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B23C3/00B23C3/28C21D1/18C21D9/04
CPCB23C3/005B23C3/28B23P15/00C21D1/18C21D9/04
Inventor 张永林张杰杨立武杨保云杜杰可存江吴志光白云珠
Owner YUNNAN TAIBIAO NUMERICAL CONTROL MACHINE CO LTD