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랜덤 적재된 제품의 부상압력을 이용한 크로메이트 도금특성

Chromate Plating Characteristics Using Pressurized Floating of Random-Loaded Products

Journal of the Korean Society for Precision Engineering 2017;34(9):639-646.
Published online: September 1, 2017

1 한국산업기술대학교 지식기반에너지 대학원

2 한국산업기술대학교 기계공학과

1 Graduate School, Knowledge-Based Technology & Energy, Korea Polytechnic University

2 Department of Mechanical Engineering, Korea Polytechnic University

#E-mail: ljh@kpu.ac.kr, TEL: +82-31-8041-0403, FAX: +82-31-8041-0419
• Received: March 6, 2017   • Revised: May 31, 2017   • Accepted: June 1, 2017

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Plating Characteristics of Random-Loaded Workpiece Through Screw Motion
    Duck Gi Kim, Jong Hang Lee
    Journal of the Korean Society of Manufacturing Technology Engineers.2020; 29(6): 512.     CrossRef
  • Improvement of Chromate Plating Characteristics Using Vibration
    Woo Seok Heo, Jong Hang Lee, Duck Gi Kim
    Journal of the Korean Society for Precision Engineering.2020; 37(1): 11.     CrossRef

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Chromate Plating Characteristics Using Pressurized Floating of Random-Loaded Products
J. Korean Soc. Precis. Eng.. 2017;34(9):639-646.   Published online September 1, 2017
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J. Korean Soc. Precis. Eng.. 2017;34(9):639-646.   Published online September 1, 2017
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Chromate Plating Characteristics Using Pressurized Floating of Random-Loaded Products
Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Chemical plating system using barrel rotation
Fig. 2 Chemical plating system using pressurized floating method
Fig. 3 Pressurized floating system for plating of random-loaded samples
Fig. 4 Nozzle arrangement in the bottom of tank
Fig. 5 Basket structure of supplying solution for samples
Fig. 6 Measurement of plating thickness FIB for time variation
Fig. 7 Measurement of plating mass XRF for time variation
Fig. 8 Samples floating behavior for pressure variation
Fig. 9 Erosion of sample for plating solution
Fig. 10 Weight reduction of sample by pressure variation
Fig. 11 Chromate plating behavior for floating pressure variation of solution
Fig. 12 Chromate mass trend for floating pressure variation
Fig. 13 Chromate plating behavior for immersion time variation of sample
Fig. 14 Chromate mass trend for time variation
Fig. 15 Chromate plating behavior for temperature variation of solution
Fig. 16 Chromate mass trend for temperature variation
Fig. 17 Chromate plating behavior for mixing ratio variation of solution
Fig. 18 Chromate mass trend for concentration variation
Fig. 19 Chromate plating behavior for pH variation of solution
Fig. 20 Chromate mass trend for pH variation
Fig. 21 Chromate mass scatter plot in one sample (Floating pressure: 30 kN/m2, Time: 90 sec, Temperature: 40°C, Concentration: 40 : 80 ml/L, pH: 1.8)
Fig. 22 Chromate mass distribution between 30 samples (Floating pressure: 50 kN/m2, Time: 90 sec, Temperature: 40°C, Concentration: 40 : 80 ml/L, pH: 1.8)
Chromate Plating Characteristics Using Pressurized Floating of Random-Loaded Products

Experimental conditions for chemical plating performance test

Parameters Values((ref) : reference)
Time (sec) 60, 90(ref), 120, 150, 180, 210
Temperature (°C) 10, 20, 30, 40(ref), 50
Concentration
(ml/L)
20/40, 40/80(ref), 60/120, 80/160, 100/200, 120/240, 140/280
pH 1.8, 2.0(ref), 2.2, 2.4, 2.6
Table 1 Experimental conditions for chemical plating performance test