Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Partial protection method for cylindrical inner wall of part during electroplating

A cylindrical and part technology, applied in the field of partial protection of the cylindrical inner wall of parts, can solve the problems of long protection period, high technical requirements, and difficulty in stripping, and achieve the effect of reducing protection cost, simplifying protection process, and shortening protection period

Inactive Publication Date: 2018-01-19
BEIJING SHUGUANG AERO ELECTRICAL
View PDF16 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: First, the technical requirements for operators are high; due to the manual coating during construction, the thickness is uneven, and the paint film is prone to peeling off at the edge; Partial blistering and leakage protection phenomenon; second, it is difficult to remove the paint after electroplating, the local paint film cannot be completely removed during paint removal, or the paint remover corrodes and damages the coating, and the product qualification rate is low; the third protection period is long and the cost is high

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1, determine the size of the part cylindrical inner wall protection part: determine the axial length L=120mm and the inner diameter D=163mm of the part to be protected according to the part drawing, and the part cylindrical inner wall protection part is on the axis with the step positioning datum.

[0026] 2. Make a protective leather case: use oil-resistant rubber as a protective leather case δ=7mm, the protective leather case is a rectangular rubber plate, its length W=3.14X163-2.2×7=496.42mm, and its width A=120mm; Its thickness δ is 7mm. The protective holster is a rectangular rubber plate whose length is slightly smaller than the inner diameter D to ensure that it is not too tight or too loose during assembly.

[0027] 3. Install the protective leather case:

[0028] 3.1. Pretreatment of protective leather case: first wash with metal detergent solution at 50°C for 10 minutes, then wash with hot water at 70°C for 10S, and then wash with cold water for 5S...

Embodiment 2

[0033] Embodiment 2, determine the size of the protection part of the cylindrical inner wall of the part: determine the axial length L=120mm and inner diameter D=163mm of the part to be protected according to the part drawing, and the protection part of the cylindrical inner wall of the part is on the position of 22mm axially away from the notch at one end ;

[0034] 2. Make a protective leather case: use oil-resistant rubber as a protective leather case δ=7mm, the protective leather case is a rectangular rubber plate, its length W=3.14X163-2.2×7=496.42mm, and its width A=120mm; Its thickness δ is 7mm; the protective holster is a rectangular rubber plate, its length is slightly smaller than the inner diameter D, in order to ensure that it is not too tight or too loose during assembly.

[0035] 3. Install the protective leather case:

[0036] 3.1. Pretreatment of protective leather case: first wash with metal detergent solution at 50°C for 10 minutes, then wash with hot water ...

Embodiment 3

[0041] Embodiment 3, determine the size of the part cylindrical inner wall protection part: determine the axial length L=150mm and inner diameter D=130mm of the part to be protected according to the part drawing, and the part cylindrical inner wall protection part is on the axis with a step positioning datum;

[0042] 2. Make a protective leather case: use oil-resistant rubber as a protective leather case δ=9mm, the protective leather case is a rectangular rubber plate, its length W=3.14X130-2.1×9=389.3mm, and its width A=150mm; Its thickness δ is 9mm; the protective holster is a rectangular rubber plate, its length is slightly smaller than the inner diameter D, in order to ensure that it will not be too tight or too loose during assembly.

[0043] 3. Install the protective leather case:

[0044]3.1. Pretreatment of protective leather case: first wash with metal detergent solution at 70°C for 8 minutes, then wash with hot water at 70°C for 10S, and then wash with cold water fo...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention belongs to the electrochemical surface treatment technology of metal parts, and relates to a partial protection method for the cylindrical inner wall of a part during electroplating. Thepartial protection method comprises the following steps that the size of the position, needing to be protected, of the cylindrical inner wall of the part is determined; a protective leather sheath ismanufactured; the protective leather sheath is installed; and clean water is adsorbed. According to the partial protection method for the cylindrical inner wall of the part during electroplating, theprotection process is greatly simplified, the technical requirements for operators are lowered, the problem that paint removing is difficult is solved, the protection period is shortened, and the protection cost is reduced.

Description

technical field [0001] The invention belongs to the electrochemical surface treatment technology of metal parts, and relates to a partial protection method for the electroplating of the cylindrical inner wall of the part. Background technique [0002] At present, many parts need to be partially protected due to various reasons during electrochemical surface treatment. For example, when the cylindrical inner wall of the part needs to be partially electroplated, the non-electroplated inner wall must be protected. Taking the part of the inner wall of the motor housing where the magnetic pole winding assembly is partially bonded as an example, the inner wall of this part is a non-electroplated surface. At present, the commonly used protection method is to apply protective paint. The process is: pre-plating treatment-painting-coating- - Drying - Repair - Drying - Plating. Its disadvantages are: first, the technical requirements for operators are high; due to the manual coating d...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C25D5/02
Inventor 李忠山毛玉龙闫少民
Owner BEIJING SHUGUANG AERO ELECTRICAL
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com