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Chromium mirror manufacturing process for automobile rearview mirror

A technology of automobile rearview mirror and technology, which is applied in vehicle parts, optical observation devices, transportation and packaging, etc., can solve the problems of easy film removal, environmental protection and high reflectivity of aluminum mirrors, so as to improve service life, safety, Strong anti-corrosion effect

Inactive Publication Date: 2021-01-29
江苏福美汽车镜有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the deficiencies in the prior art, the utility model provides a chrome mirror manufacturing process for automobile rearview mirrors, which solves the problems of high reflectivity, easy peeling off and poor environmental protection of aluminum mirrors

Method used

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  • Chromium mirror manufacturing process for automobile rearview mirror
  • Chromium mirror manufacturing process for automobile rearview mirror
  • Chromium mirror manufacturing process for automobile rearview mirror

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] A chrome mirror mirror manufacturing process for automobile rearview mirrors, comprising the following steps:

[0029] Step 1, slicing, using a white glass sheet with a thickness of 1.8mm, placing the white glass sheet at the cutting origin of the linear cutting machine, and the linear cutting machine cuts the white glass sheet into several lenses that meet the customer's specification size;

[0030] Step 2: Clean and inspect the front and back sides. The lens is placed in the washing machine, and the side of the lens side with a serrated structure is the front side;

[0031] Step 3, Bending, place the reverse side of the lens on a 300*400mm bending mold, put the bending mold into a U-shaped bending furnace, set the temperature of the U-shaped bending furnace to 715°C, and the speed to 26rpm;

[0032] Step 4, spotlight inspection, using spotlights to irradiate the lens;

[0033] Step 5, wash again, and place the lens in the washing machine;

[0034] Step 6, vapor depo...

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Abstract

The invention discloses a chromium mirror manufacturing process for an automobile rearview mirror. The chromium mirror manufacturing process comprises the following steps: cutting a white glass sheetinto a plurality of lenses by a linear cutting machine;wherein the lens is placed in the cleaning machine, the reverse side of the lens is placed on the baking and bending die, the baking and bendingdie is placed in the U-shaped baking and bending furnace, and the lens is irradiated by the light collecting lamp;the lens is placed in the cleaning machine; putting the lenses on a coating umbrella of a vacuum coating machine, wherein a chromium target is placed in a crucible at the bottom of the vacuum coating machine; inspecting the appearance, reflectivity, distortion rate, coating adhesion, hardness and corrosion resistance of a chromium mirror; grinding four corners of the chromium mirror into arc structures through a circumferential chamfering machine; and checking whether the appearance and the structure are qualified or not after the chromium mirror is cleaned, and adhering to a packaging plate. Light reflected by the chromium mirror is softer and not dazzling, the feeling of dizziness cannot be generated, the safety of automobile driving is improved, the chromium mirror manufacturing process does not need paint spraying and is more environmentally friendly, meanwhile, the corrosion resistance of the chromium mirror is higher, and the demolding phenomenon is not likely to happen.

Description

technical field [0001] The invention belongs to the technical field of mirror making of automobile rearview mirrors, and in particular relates to a chrome mirror manufacturing process for automobile rearview mirrors. Background technique [0002] Rearview mirrors are an indispensable part of cars participating in modern traffic. At present, the middle and low-end cars that account for the vast majority of the total number of cars are still equipped with aluminum mirrors made by traditional techniques. Existing aluminum mirror has following defect: [0003] 1. The existing aluminum mirror has a high light reflectivity, usually around 90%, which is rather dazzling, especially when driving at night when the traffic flow is large, the driver's eyes will not be reflected by the rearview mirror more often The strong light stimulation from the rear headlights can easily cause eye fatigue or dizziness; [0004] 2. The aluminum mirror made by the traditional mirror-making process ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/06B60R1/08
CPCC03C17/06C03C17/002B60R1/083C03C2217/26C03C2217/78C03C2218/15C03C2218/31
Inventor 周正强
Owner 江苏福美汽车镜有限公司
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