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Preheating induction cladding strengthening process of glass mold and application thereof

A technology of glass mold and fusion coating, which is applied in the direction of metal material coating process, coating, fusion spraying, etc., can solve the problems that affect the popularization and application, the mold is easy to deform, and the cost is high, so as to improve the service life, high yield, little heat effect

Inactive Publication Date: 2015-12-30
洛阳绿景环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing laser cladding to strengthen the glass mold has problems such as high cost, low efficiency, and easy deformation of the mold, which seriously affects its popularization and application in this field.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (a) Protect the non-coated parts with tooling to prevent the non-coated parts from being damaged by sandblasting, and protect the non-coated parts from spray coating.

[0033] (b) Use 14-16 mesh corundum to carry out sandblasting and roughening treatment on the part to be coated, so that the surface of the part to be coated can be degreased, rusted and roughened to meet the requirements of sa3.2.

[0034] (c) A nickel-based self-fluxing alloy powder is selected, and a flame spraying process is used to prepare a coating on the part to be coated, with a thickness of 0.8 mm.

[0035] (d) Position the glass mold clamp on the induction preheating and remelting machine tool, and preheat the coating part of the glass mold as a whole, so that the surface preheating temperature reaches 300°C. The working power of the preheating equipment is 95KVA, and the frequency is 13KHZ .

[0036] (e) Remelting while heating; the induction preheating device is used to heat the front part of...

Embodiment 2

[0039] (a) Protect the non-coated parts with tooling to prevent the non-coated parts from being damaged by sandblasting, and protect the non-coated parts from spray coating.

[0040](b) Use 20-24 mesh brown corundum sand to carry out sandblasting and roughening treatment on the part to be coated, so that the surface of the part to be coated can be degreased, rusted and roughened to meet the requirements of sa3.2.

[0041] (c) Select nickel-based self-fluxing alloy powder, and adopt a flame spraying process to prepare a coating on the part to be coated, with a thickness of 0.6 mm.

[0042] (d) Position the glass mold clamp on the induction preheating and remelting machine tool, and preheat the coating part of the glass mold as a whole, so that the surface preheating temperature reaches 350°C. The working power of the preheating equipment is 120KVA, and the frequency is 18KHZ .

[0043] (e) Remelting while heating; the induction preheating device is used to heat the front part ...

Embodiment 3

[0046] (a) Protect the non-coated parts with tooling to prevent the non-coated parts from being damaged by sandblasting, and protect the non-coated parts from spray coating.

[0047] (b) Use 26-30 mesh brown corundum sand to carry out sandblasting and roughening treatment on the part to be coated, so that the surface of the part to be coated can be degreased, rusted and roughened to meet the requirements of sa3.2.

[0048] (c) A nickel-based self-fluxing alloy powder is selected, and a flame spraying process is used to prepare a coating on the part to be coated, with a thickness of 1.0 mm.

[0049] (d) Position the glass mold clamp on the induction preheating and remelting machine, and preheat the coating part of the glass mold as a whole, so that the surface preheating temperature reaches 400°C. The working power of the preheating equipment is 140KVA, and the frequency is 10KHZ .

[0050] (e) Remelting while heating; the induction preheating device is used to heat the front ...

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Abstract

The invention relates to a preheating induction cladding strengthening process of a glass mold and application thereof. The process comprises the steps of performing sandblasting and roughening on the surface of a part to be strengthened of a workpiece, preparing coating, preheating before melting, heating and remelting at the same time, and preserving heat and cooling. The preheating induction cladding is introduced into the surface strengthening of the glass mold, the problems that the coating is not incompact, more defects exist, the strengthening property is bad, service life is short, and the like in the traditional strengthening process are overcome, and the problems that the cost is high, the efficiency is low, and the temperature distortion easily occurs in a laser cladding strengthening process are overcome; the preheating induction cladding strengthening process is applied to both the new product strengthening of glass and the old product remanufacturing of the glass mold, desquamating and scratching failure are not easy to generated, and the service life is remarkably improved. According to the process provided by the invention, the high performance and high quality of the glass mold surface strengthening are achieved, the high speed and high efficiency, the high finished product rate, the automatic control, the low production cost in the strengthening process are realized, the service life of the glass mold is remarkably prolonged, free pollution and green and environmental protection in the whole manufacturing process are achieved.

Description

technical field [0001] The invention relates to the technical field of moulds, in particular to a glass mould's preheating induction fusion coating strengthening process and its application. Background technique [0002] During the forming process of glass products, the mold is frequently in contact with the molten glass, and suffers from oxidation, growth and thermal fatigue. At the same time, the surface of the mold is worn due to the friction of glass products, which requires the mold material to have good heat resistance, wear resistance, corrosion resistance, thermal shock resistance, oxidation resistance, growth resistance, and thermal fatigue resistance. It is the goal pursued by the industry to realize the high performance and long life of the glass mold through the surface strengthening process. [0003] The Patent Application Publication No. of "A Surface Strengthening Method for Glass Mold" published by the National Patent Office: CN102363883A. This patent stren...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/12C22F1/10C23F17/00
CPCC22F1/10C23F17/00
Inventor 张青玥翟文爽翟长生罗嘉阳
Owner 洛阳绿景环保科技有限公司
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