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Product Code:SAE J474
Title:Electroplating and Related Finishes
Issuing Committee:Metals Technical Executive Steering Committee
Scope:Electroplating is a process whereby an object is coated with one or more relatively thin, tightly adherent layer of one or more metals. It is accomplished by placing the object to be coated on a plating rack or a fixture, or in a basket or in a rotating container in such a manner that a suitable current may flow through it, and then immersing it in a series of solutions and rinses in planned sequence. The advantage to be gained by electroplating may be considerable; broadly speaking, the process is used when it is desired to endow the basis material (selected for cost, material conservation, and physical property reasons) with surface properties it does not possess.It should be noted that although electroplating is the most widely used process for applying metals to a substrate, they may also be applied by spraying, vacuum deposition, cladding, hot dipping, chemical reduction, mechanical plating, etc. The purpose for applying an electroplate and the metals used for various applications follow.

标准名称：	瓷绝缘子干法数控修坯机
英文名称：	CNC Dry type porcelain insulator boring and truning machine
中标分类：	电工 >> 电工生产设备 >> 电瓷生产设备
ICS分类：	电气工程 >> 电工设备元件 >> 电工设备元件综合
发布部门：	中华人民共和国工业和信息化部
发布日期：	2010-02-11
实施日期：	2010-07-01
首发日期：
作废日期：
归口单位：	全国电工专用设备标委会
起草单位：	西安启源机电装备股份有限公司
出版社：	机械工业出版社
出版日期：	2010-07-01

本标准规定了瓷绝缘子干法数控修坯机的型号编制、技术要求、试验方法、检验规则及标志、包装、运输与贮存。
本标准适用于电瓷等静压干法生产工艺中，原料经制浆、喷雾干燥、压制成的干坯（含水量＜1.5%）的自动切削成型。

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