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Automatic control device and method for solid solution-quenching heat treatment of powder high-temperature alloy disc

An automatic control device and high-temperature alloy technology, applied in heat treatment process control, quenching device, heat treatment furnace, etc., can solve the problems of long production time of disk parts, fluctuation of process parameter control, failure to obtain structure and performance of disk parts, etc.

Active Publication Date: 2021-09-14
AVIC BEIJING INST OF AERONAUTICAL MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The whole process has a low degree of precise control, poor connection between each link, many artificial interference factors, and often fluctuates in the control of process parameters. Sometimes due to improper control of air cooling and oil quenching cooling speed, the plate cannot obtain the structure and performance that meets the requirements of use, or Thermal stress causes quenching cracks, which cannot guarantee the consistency and stability of the quality of batch-produced powder discs
[0004] In addition, this process also has potential safety hazards such as burns and bruises for operators, and a high-temperature furnace can only perform solid solution treatment on one plate from heating to discharge, resulting in long time-consuming and low efficiency for plate production, making it difficult to achieve batch production High continuity and low cost of powder pans
Therefore, in order to ensure that the metallurgical quality of batch-produced powder discs satisfies the rules for batch assembly of discs, and ensure the consistency, stability, safety and economy of disc production, it is necessary to explore and establish an automatic control line for solid solution-quenching heat treatment of powder discs. Realize the precise control of each process of powder disc solution-quenching heat treatment, but there are no literature and patent reports on this problem at home and abroad

Method used

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  • Automatic control device and method for solid solution-quenching heat treatment of powder high-temperature alloy disc
  • Automatic control device and method for solid solution-quenching heat treatment of powder high-temperature alloy disc
  • Automatic control device and method for solid solution-quenching heat treatment of powder high-temperature alloy disc

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Example 1: Processing of Powder FGH96 6, the size of the diameter Φ720mm × 120mm high and weighs 250kg. Proceed as follows:

[0062] Setting program starts, the transfer robot 9 sequentially transport plate 6 horizontally arranged table 3 placed in the box furnace temperature preheating 2,3,4, 2,3,4 successively preheating oven temperature program starting interval 390min, pre heat time was 16h, the maximum soak temperature of 1070 ℃, holding time ≤ 4h;

[0063] End disk sequentially preheating time, the transport robot via the 9 sequentially transferred into the high temperature solution box furnace 5, the transfer time of 1min, the solution temperature of the furnace 5 1150 ℃, holding time is 180min;

[0064] Solution successively disk holding time ends, the disk transfer sequence by the robot 9 to the rotary air transport table support table 6, the transfer time of 1min;

[0065] Air cooling system 6 automatically starts the rotation, the rotation speed of the disc membe...

Embodiment 2

[0069] Example 2: Processing of Powder FGH99 6, the size of the diameter Φ650mm × 240mm high and weighs 300kg. Proceed as follows:

[0070] Setting program starts, the transfer robot 9 sequentially transport plate 6 horizontally arranged table 3 placed in the box furnace temperature preheating 2,3,4, 2,3,4 successively preheating oven temperature program starting interval 450min, pre heat time was 18h, the maximum soak temperature of 1090 ℃, holding time ≤5h;

[0071] End disk sequentially preheating time, the transport robot via the 9 sequentially transferred into the high temperature solution box furnace 5, the transfer time 2min, the solution temperature of the furnace 1170 is 5 deg.] C, holding time is 210min;

[0072] Solution successively disk holding time ends, the disk transfer sequence by the robot 9 to the rotary air transport table support table 6, the transfer time of 1min;

[0073] Air cooling system 6 automatically starts the rotation, the rotation speed of the disc ...

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Abstract

The invention belongs to the technical field of powder high-temperature alloy heat treatment, and provides an automatic control device and method for solid solution-quenching heat treatment of a powder high-temperature alloy disc. The automatic control device mainly comprises an automatic conveying and positioning feeding and discharging table, a high-temperature preheating box-type furnace, a high-temperature solid solution box-type furnace, a rotary air cooling system, an automatic conveying and positioning turnover table, an isothermal quenching oil tank, an automatic transfer robot, a rapid transfer robot and a corresponding line body control system, and automatic control over the working procedures of preheating, solid solution, air cooling, air cooling, oil quenching, transferring, loading and unloading and the like is achieved. Through automatic control of processing, transferring, loading and unloading of the disc among the preheating box-type furnace, the solid solution box-type furnace and the rotary air cooling table, up-and-down movement quenching in the oil tank and the like, process parameters such as time and temperature of each working procedure are accurately controlled, the metallurgical quality of powder discs produced in batches meets the disc batch grouping rule is ensured, and consistency, stability, periodicity, economical efficiency and safety of batch production of the disc pieces are achieved.

Description

Technical field [0001] The present invention belongs to the field of powder high-temperature alloy heat treatment technology, providing an automatic control device and method for solid soluble / quench heat treatment of powder high temperature alloy disc. Background technique [0002] With the development of the aviation industry, the powder high temperature alloy turbine dish has become the preferred for high-push weight ratio, high performance engines. The powder disc manufacturing process is long, the process is complex, with one of the most critical processes, only reasonable and stable heat treatment processes to ensure that the final disk has good and consistent tissue and performance. [0003] Solid solution - hardening heat treatment is the most critical link of powder dispensing temperament. At present, the process used in China is generally: the tray is heated to a solid solution temperature and insulation for a certain amount of time, allowing alloying elements to be d...

Claims

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Application Information

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IPC IPC(8): C21D9/00C21D11/00B22F3/24C21D1/63
CPCC21D9/0068C21D1/63C21D11/00B22F3/24B22F2003/248Y02P10/25
Inventor 胡阳刘光旭王晓峰杨杰邹金文
Owner AVIC BEIJING INST OF AERONAUTICAL MATERIALS
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