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Method for spray welding of nickel base alloy powder on surface of glass mold puncher pin with copper alloy as base metal substrate

A nickel-based alloy, glass mold technology, applied in welding equipment, manufacturing tools, metal processing equipment and other directions, can solve the problem of not having, and achieve the effect of extending the service life, reducing the cost of mold use, and requiring high machine speed

Inactive Publication Date: 2013-08-28
ORI MOLD TECH SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] China Invention Patent Authorization Announcement No. CN101549946B recommends "the method of filling nickel-based alloy in the glass mold cavity with silicon-copper alloy as the parent material matrix" (proposed by the applicant), but this patent is to adopt argon arc welding to the glass mold The cavity is filled with nickel-based alloy welding wire, so there is no technical significance for automatic spray welding of nickel-based alloy powder on the surface of the punch

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  • Method for spray welding of nickel base alloy powder on surface of glass mold puncher pin with copper alloy as base metal substrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] See figure 1 .

[0031] A) Select the base metal matrix and purchase copper alloy rods from commercial channels. The chemical elements and mass % content of the copper alloy rods should meet the following requirements: 14% nickel, 9.5% aluminum and 9.5% Zinc, the rest is copper and unavoidable impurities such as sulfur <0.002% and phosphorus <0.0015%, to obtain the base metal matrix;

[0032] B) Select welding materials and purchase nickel-based alloy powder from commercial channels. The chemical elements and mass % content of the nickel-based alloy powder should meet the following requirements: 6% chromium, 1% silicon, 1.5% iron and 0.35% carbon, the remainder being nickel, to obtain welding consumables;

[0033]C) Surface pre-processing, the clamping datum end 11 is machined on one end of the base metal substrate obtained in step A) by a lathe, and the glass melt contact end 12 is turned on the other end of the base metal base body, and the glass melt The surface t...

Embodiment 2

[0038] Only change the chemical elements and mass % content of the copper alloy rods in step A) to: 16% nickel, 8.5% aluminum and 8.5% zinc; change the chemical elements of the nickel-based alloy powder in step B) to And its mass % content is changed to: 5.1% chromium, 1.6% silicon, 1.2% iron and 0.27% carbon; change the turning allowance on the surface of the glass melt contact end 12 in step C) to 0.6 ㎜; Change the spray welding process parameters in step D) to: shielding gas flow rate 1.8L / min, welding consumable delivery volume 18g / min, and the pause time between the previous lap and the next lap of spray welding is 60S, The starting current of spray welding is 60A, the current in progress of spray welding is 90A, and the final current of spray welding is 20A. The thickness of layer 121 is 0.6 mm; the heat treatment temperature in step E) is changed to 450° C., and the time is changed to 3.5 h. All the other are the same as the description to embodiment 1.

Embodiment 3

[0040] Only change the chemical elements and mass % content of the copper alloy rod in step A) to: 15% nickel, 10.5% aluminum and 7.5% zinc; change the chemical elements of the nickel-based alloy powder in step B) to And its mass % content is changed into: 5.6% chromium, 1.3% silicon, 1.8% iron and 0.2% carbon; Change the turning allowance on the surface of the glass melt contact end 12 in step C) into 5 ㎜; Change the spray welding process parameters in step D) to: shielding gas flow rate 1.9L / min, welding consumable delivery volume 14g / min, and the pause time between the previous lap and the next lap of spray welding is 15S, The starting current of spray welding is 75A, the current in progress of spray welding is 65A, and the final current of spray welding is 30A. The thickness of the layer 121 is 5 mm; the heat treatment temperature in step E) is changed to 400° C., and the time is changed to 4 h. All the other are the same as the description to embodiment 1.

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Abstract

The invention discloses a method for spray welding of nickel base alloy powder on a surface of a glass mold puncher pin with copper alloy as a base metal substrate, and belongs to the technical field of glass mold auxiliary component processing. The method comprises the following steps: selecting a base metal substrate, selecting welding materials, carrying out surface preprocessing, carrying out spray welding, carrying out heat treatment and carrying out finish machining. According to the technical scheme, a nickel base alloy layer and the contact end of glass melt of the copper alloy substrate are made to reflect ideal metallurgical bonding effects, the glass mold puncher pin is reliably guaranteed to have excellent corrosion resistant performance, hardness and heat dispersion performance, the situation that the nickel base alloy layer peels off in a using process cannot occur, and the high machine speed requirements of a bottle-making machine can be met. Due to the fact that manual spray welding is not necessary, the method has the advantages of being high in efficiency and reducing labor intensity of workers. Due to the fact that the service life of the glass mold puncher pin can be obviously prolonged, the mold using cost of glass product manufacturers can be reduced.

Description

technical field [0001] The invention belongs to the technical field of glass mold auxiliary parts processing, and in particular relates to a method for spray-welding nickel-based alloy powder on the surface of a glass mold punch with a copper alloy as a parent material matrix. Background technique [0002] The function of the punch on the glass mold is well known in the industry, and it is an essential part for producing glass containers such as glass bottles by the blow blow method. When a pair of opposing half-molds (customarily called half-molds in the industry) are closed, the molten glass is introduced into the cavity of the half-mold, and the high-temperature glass frit in the molten state will be placed in the first mold. The punch in the half mold cavity is completely or partially (depending on the different glass container products) wrapped, and then the punch is rapidly cooled by the punch cooler in the punch cavity of the punch, so that the previously wrapped on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B23K10/02
Inventor 戈剑鸣
Owner ORI MOLD TECH SUZHOU
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