ASTM-B507 Standard Practice for Design of Articles to Be Electroplated on Racks

ASTM-B507 - 2014 EDITION - CURRENT
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Standard Practice for Design of Articles to Be Electroplated on Racks
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Scope

1.1 This practice covers design information for parts to be electroplated on racks. The recommendations contained herein are not mandatory, but are intended to give guidance toward good practice.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Significance and Use

2.1 When an article is to be electroplated, it is necessary to consider not only the characteristics of the electroplating process, but also the design of the part to minimize electroplating and finishing costs and solution dragout as well as to improve appearance and functionality. It is often possible during the design and engineering stages to make small adjustments in shape that will result in considerable benefit toward a better quality part at a lower cost.

2.2 The specific property of an electroplating process that would require some attention to the details of optional designs, is the throwing power of the electroplating solution. This term describes the properties of the solution as it relates to the solution electrical resistance and solution capacitance at the cathode and overall efficiency of the electrolyte system. Throwing power is defined as the improvement of the coating distribution over the primary current distribution on an electrode (usually cathode) in a given solution, under specified conditions.

Keywords

cathode; current density; fixture; rack; racking; uniformity; ICS Number Code 25.220.20 (Surface treatment)

To find similar documents by ASTM Volume:

02.05 (Metallic and Inorganic Coatings; Metal Powders and Metal Powder Products)

To find similar documents by classification:

25.220.20 (Surface treatment Including anodization, conversion coating, thermal spraying, etc.)

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Document Number

ASTM-B507-14

Revision Level

2014 EDITION

Status

Current

Modification Type

Revision

Publication Date

June 15, 2014

Document Type

Practice

Page Count

5 pages

Committee Number

B08.01