Plating to Gauge or Dimension
电子游艺棋牌先进的电镀技术为gaug提供板e or plate to dimension for critical applications within the bearing, ammunition, precision machine or fastener industries. Our engineering group welcomes the opportunity to work with design engineers to model the plating process to provide a realistic prediction of plating build across the surface of a part. Modeling of the plating build in this manner facilitates adjustment to as-machined size and tolerances for realistic as-plated part dimensions consistent with design requirements.
The electrolytic plating process is often misunderstood by engineers when working to apply tolerances and pre/post plate dimensions to a print. Electrolytic plating by its very nature deposits in a non-uniform manner; resulting in a thicker deposit on the ends or corners of the part verses the center. This phenomenon is accentuated in products that are long and narrow (such as rods or shafts) and can be extremely vexing for applications where threads or tight tolerances are located at the preferentially plated locations (high current regions) such as the ends of shafts or the edges of bearings.
此外，用于电镀厚度的各种标注通常由设计者误解。例如，在大多数情况下，电镀沉积物的“最小”的标注是在大多数情况下，电镀厚度不小于可以通过0.75“球体的部分的所有表面上的指定量。这种类型的标注可以导致厚度超过诸如边缘或角落的部分的高沉积区域上的标称数量的五倍。
在线上的电镀构建是在指定电镀标注时被误解的公共区域。螺纹部件的俯仰直径将增加（阳线）或减少（阴线）根据图1所示的图1：
图1：电镀线上螺纹构建公式
In most standard thread forms, the included angle is 60-degrees, which equates to a thread pitch increase or decrease of four times the nominal plating build. In applications where threads are near the end or corners of a component (such as a long fastener or threaded shaft), the realized plating thickness on lead-in threads can be considerably more than the nominal plating thickness which can result in a thread pitch change of 1 to 2 orders of magnitude (10 to 20 times) the nominal plating thickness. For this reason, discussions of functional surfaces and where plating thickness is inspected is of paramount concern in plating to gauge or dimension applications.
A wealth of information regarding plating thickness is available within theplating topicssection of this website. In addition, there are design guides and white papers specific to plating thickness within our电子app棋牌娱乐that can aid designers in adjusting features of a product to maximize deposit uniformity. Our technical sales group welcomes the opportunity to discuss functional surfaces pertaining to the plated deposit. Often, the functional plating surface is separate from a critical part dimensional feature and the two can be properly balanced if they are clearly defined within the print.
对于有几种关键质量（CTQ）尺寸的应用程序，高级电镀技术提供了板到衡量或零件的最终尺寸的能力。电子游艺棋牌此过程通常涉及以下步骤：
- Design Review:Discussion of APT technical sales with the product engineer to understand critical part dimensions and compare against the functional surfaces of the part that require the specified plating thickness.
- 存款建模：通过APT技术销售模型通过APT技术销售，并建议生产工程师的沉积物厚度（高电流区域）到最低沉积物厚度（低电流区域）的生产工程师。通常，该讨论涉及可以提供以最大限度地提高沉积物均匀性，包括定制工具，电镀屏蔽和劫持者，电镀技术和沉积物选择（例如电解镍底板的沉积物选择）。
- 竣工津贴和检验协议：Adjust the as-machined tolerances of the part to accommodate the anticipated plating build from 2 above and define a thickness inspection protocol and sampling that will measure CTQ dimensions prior to, during, and after the plating process. Various measurement techniques can be utilized including: slide gauges, micrometer/caliper mechanical measurements, thread gauge inspection, pin gauge inspection, x-ray fluorescence thickness inspection, coulometric thickness inspection, and magnetic thickness inspection.
- First Article Qualification:运行第一部分符合生产方法，以验证上面步骤2和3的过程和假设。该步骤可以迭代，可以涉及改进工具，检测技术或采样，直到达到设计要求的产品。