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Forging process special for mask plate support alloy Invar36

A mask and alloy technology, used in manufacturing tools, metal processing equipment, furnace types, etc., can solve problems such as low strength, improve performance, reduce production costs, and achieve fine internal grains.

Pending Publication Date: 2020-09-08
上海蓝铸特种合金材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a forging process dedicated to the mask plate bracket alloy Invar36, which has the advantages of high strength and solves the problem of low strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: a forging process dedicated to the mask plate bracket alloy Invar36, comprising the following steps: after cleaning the surface of the Invar36 alloy with acetone; better cleaning the surface impurities and oil; putting the cleaned Invar36 alloy into the resistor Heating in the furnace, the temperature in the resistance furnace is 950°C, and holding for 10 minutes; carry out two upsetting and two drawing blank forging, the first upsetting deformation is 30%, and then the first drawing is carried out, and the drawing deformation is controlled At 14%, send it to 1100°C and then carry out solution treatment in the heating furnace; the second upsetting deformation is 50%, and then carry out the second elongation, the elongation deformation is controlled at 10%, send it to 1050°C and then carry out Heating furnace solution treatment, the first solution treatment at 1100°C for 1.5h, the second solution treatment at 1050°C for 1h; the forged material is air-cooled,...

Embodiment 2

[0025] Embodiment 2: A forging process dedicated to the mask plate bracket alloy Invar36, comprising the following steps: after cleaning the surface of the Invar36 alloy with acetone; better cleaning the surface impurities and oil; putting the cleaned Invar36 alloy into the resistor Heating in the furnace, the temperature in the resistance furnace is 965°C, and holding for 15 minutes; carry out two upsetting and two drawing blank forging, the first upsetting deformation is 32%, and then the first drawing is carried out, and the drawing deformation is controlled At 25%, send it to 1100°C and then carry out solution treatment in the heating furnace; the second upsetting deformation is 55%, and then carry out the second elongation, the elongation deformation is controlled at 30%, send it to 1050°C and then carry out Heating furnace solution treatment, including the first solution treatment at 1100°C for 1.5 hours, and the second solution treatment at 1050°C for 1 hour; the forged ...

Embodiment 3

[0026] Embodiment 3: A forging process dedicated to the mask plate bracket alloy Invar36, which is characterized in that it includes the following steps: after cleaning the surface of the Invar36 alloy with acetone; better cleaning the surface impurities and oil; cleaning the Invar36 after cleaning The alloy is put into a resistance furnace for heating, the temperature in the resistance furnace is 980°C, and the temperature is kept for 18 minutes; the billet forging is carried out with two upsetting and two pulling out, the first upsetting deformation is 35%, and then the first elongation, pulling out The long deformation is controlled at 35%, and it is sent to 1100°C for solution treatment in a heating furnace; the second upsetting deformation is 60%, and then the second elongation is carried out, and the elongation deformation is controlled at 40%, and it is sent to 1050°C and then carry out solution treatment in a heating furnace, wherein the first solution treatment is at 1...

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Abstract

The invention discloses a forging process special for mask plate support alloy Invar 36. The forging process comprises the steps that after the surface of Invar36 alloy is cleaned with acetone, the cleaned Invar36 alloy is placed into a resistance furnace to be heated, the temperature in the resistance furnace is 950-980 DEG C, and heat preservation is conducted for 10-18 min; two-upsetting and two-drawing cogging forging is conducted, the first upsetting deformation is 30-35%, then first drawing is conducted, the drawing deformation is controlled to be 14-35%, and the Invar36 alloy is fed into a heating furnace at a temperature of 1100 DEG C for solution treatment; the second upsetting deformation is 50-60%, then second drawing is conducted, the drawing deformation is controlled to be 10-40%, and the Invar36 alloy is fed into the heating furnace at a temperature of 1050 DEG C for solution treatment, wherein the first solution treatment is conducted for 1.5 hours at the temperature of1100 DEG C, and the second solution treatment is conducted for 1 hour at the temperature of 1050 DEG C; and through two-upsetting and two-drawing cogging forging, the alloy is repeatedly forged, carbide in the alloy is better smashed, internal grains are finer through high-temperature calcination and repeated forging, and the strength, hardness, abrasion resistance, fatigue strength, toughness andthe like of channel steel are improved through quenching.

Description

technical field [0001] The invention relates to the technical field of mask brackets, in particular to a forging process dedicated to the alloy Invar36 of the mask bracket. Background technique [0002] At present, the manufacturing process of the existing mask plate holder is usually: die-casting, mechanical processing, injection molding of a plastic shell, mechanical processing of the shell, electroplating and assembly. Although the appearance quality of the mask plate bracket produced through the above manufacturing process meets the requirements for use, due to the characteristics of the die-casting production method, it will have mechanical performance defects such as pores, loose structure, poor roughness, and trachoma, which cannot meet the use requirements. , It is prone to breakage after long-term use. Contents of the invention [0003] (1) Solved technical problems [0004] Aiming at the deficiencies of the prior art, the present invention provides a forging pr...

Claims

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Application Information

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IPC IPC(8): B21J5/00C21D8/00C21D1/18C21D9/00
CPCB21J5/002C21D1/18C21D8/005C21D9/0068
Inventor 叶兴才叶勇灵
Owner 上海蓝铸特种合金材料有限公司
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