Hot-processing production system for titanium and titanium alloy seamless tube, product prepared on basis of system and manufacture method for product

A production system and production method technology, applied in metal processing equipment, metal rolling, manufacturing tools, etc., can solve the problems of long heating time, low thermal conductivity of titanium and titanium alloys, etc.

Active Publication Date: 2016-09-07
LIAOCHENG ANTAI PETROLEUM MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Compared with copper, aluminum, iron and nickel, titanium and titanium alloys have low thermal conductivity. The main difficulty in thermal processing is that when the surface heating method is used, the heating time is quite long

Method used

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  • Hot-processing production system for titanium and titanium alloy seamless tube, product prepared on basis of system and manufacture method for product
  • Hot-processing production system for titanium and titanium alloy seamless tube, product prepared on basis of system and manufacture method for product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Thermal processing production system of titanium and titanium alloy seamless pipes, including the following equipment:

[0055] Centering machine 1, which is used to process centering holes at both ends of titanium and titanium alloy tube blanks for piercing and rolling;

[0056] Annular furnace 2, which is used for heating titanium and titanium alloy tube blanks;

[0057] High-precision in-machine centering bacterial piercing unit 3, which is used to perforate and roll tube blanks to obtain capillary tubes, including high-precision in-machine centering vertical fungus-type piercing machines, high-precision in-machine centering horizontal fungus-type piercing machines and An automatic control machine for adjusting the clamping force and opening degree of the centering roll in the rolling state; the material of the rolls of the high-precision machine-centered vertical mushroom-type piercer and the high-precision machine-centered horizontal mushroom-type piercer is 60CrMn...

Embodiment 2

[0077] Titanium and titanium alloy seamless pipes produced by the production system of titanium and titanium alloy seamless pipes described in Example 1, including grades TA1, TA2, TA3, TA4, TA5, TA6, TA7, TA8, TA8-1 , TA9, TA9-1, TA10, TA13, TA15, TA18, TC1, TC2, TC3, TC4, TC10 seamless pipe, the diameter of the seamless pipe is 73-325mm, the wall thickness is 5.5-25.0mm, the length The maximum is 135000mm or 13.5 meters.

[0078] The microstructure and chemical composition of each brand of titanium and titanium alloys are different. In this embodiment, under the production system provided in Example 1, titanium and titanium alloy seamless pipes of various grades and specifications can be obtained to meet the needs of the market. need.

Embodiment 3

[0080] The thermal processing production method of the titanium and titanium alloy seamless pipe described in the above-mentioned embodiment 2 comprises the following operations:

[0081] 1) Cutting: Cut the titanium and titanium alloy blanks according to the length required by the production, and process the cut blanks to the corresponding outer diameter according to the production requirements, and at the same time ensure that the surface roughness after processing is Ra≤3.2μm. The material is completed to obtain a qualified titanium alloy tube blank;

[0082] 2) Centering hole: Use the centering machine 1 to process the centering hole on both ends of the tube blank;

[0083] 3) Apply protective coating: apply protective coating to the surface of the tube blank;

[0084] 4) Heating: put the tube billet in the ring furnace 2 for heating, heat and keep it in a micro-oxidizing atmosphere, and the furnace chamber is slightly positive pressure; among them, the average heating te...

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Abstract

The invention relates to a hot-processing production system for a titanium and titanium alloy seamless tube, a seamless tube prepared by using the hot-processing production system and a hot-processing production method for the seamless tube, and belongs to the technical field of titanium and titanium alloy seamless tube production. By improving various units and all kinds of auxiliary equipment, particularly, reselecting materials of parts and heating and rolling working modes thereof, thus the equipment precision is improved and the stability of the system is controlled, and a rolling process is enabled to be more stable, thereby ensuring that the quality and size of the inner and outer surfaces of the seamless tube are stable. On such basis, according to the hot-processing production method, various working procedures are arranged reasonably and efficiently, and a tube blank is coated with a protective layer before heating, so that the problem that the tube blank reacts with oxygen and nitrogen and absorbs hydrogen is well solved, the defect of exceeding standards does not occur in the tube blank and a foundation is laid for subsequent rolling.

Description

technical field [0001] The invention relates to a thermal processing production system of titanium and titanium alloy seamless pipes, a seamless pipe produced by the thermal processing production system and a thermal processing production method of the seamless pipe, belonging to the technical field of production of titanium and titanium alloy seamless pipes . Background technique [0002] Titanium and titanium alloy seamless pipes are light in weight, high in strength and superior in mechanical properties. It is mainly used in industrial manufacturing fields such as aircraft engine compressor parts and structural parts of rockets, missiles and high-speed aircraft, electrodes in the electrolysis industry, condensers in power stations, heaters for oil refining and seawater desalination, and environmental pollution control devices. Titanium and titanium alloy seamless pipes are mainly produced through three types of production systems: extrusion molding, pipe billet drilling ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C37/06B21B19/04B21B19/10C21D9/08C22F1/18
CPCB21B19/04B21B19/10B21B2261/08B21B2261/20B21B2265/12B21B2267/02B21B2267/06B21B2275/04B21C37/06C21D9/08C22F1/183
Inventor 张志玉那继业刘怀玉高万峰石满鹰冯永涛李凤魁
Owner LIAOCHENG ANTAI PETROLEUM MACHINERY
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