2,808
edits
Changes
→Cast-On of Copper
The cast-on of liquid copper to pre-fabricated W/Cu contact parts is performed in special casting molds. This results in a seamless joint between the W/Cu and the copper carrier. The hardness of the copper is then increased by a secondary forming or deep-drawing operation.
*Examples of Wire Welding(<xr id="fig:Examples of Wire Welding"/>)<figure id="fig:Examples of Wire Welding">
[[File:Examples of Wire Welding.jpg|right|thumb|Examples of Wire Welding]]
'''Vertical Wire Welding'''
*Carrier materials <br />Cu, Cu-Alloys, Cu clad Steel, et.al.<br />
*Dimensions(<xr id="fig:Vertical Wire Welding Dimensions"/>)<figure id="fig:Vertical Wire Welding Dimensions">
[[File:Vertical Wire Welding Dimensions.jpg|right|thumb|Vertical Wire Welding Dimensions]]
Functional quality criteria such as bonded area percentage or shear force are usually agreed upon between the supplier and user and defined in delivery specifications.
*Braze alloy layer <br />L-Ag 15P (CP 102 or BCUP-5)<br />
*Dimensions(<xr id="fig:Horizontal Wire Welding Dimensions"/>)<figure id="fig:Horizontal Wire Welding Dimensions">
[[File:Horizontal Wire Welding Dimensions.jpg|right|thumb|Dimensions]]
*Quality criteria
*Dimensions <br />Weld surface area (flat) 6.0 to 25 mm diameter Rectangular areas with up to 25 mm diagonals<br />
*Quality criteria <br />Test methods for bond quality are agreed upon between supplier and user<br /><xr id="fig:Examples for percussion welded contact parts"/> (Fig. 3.13)<figure id="fig:Examples for percussion welded contact parts">
[[File:Examples for percussion welded contact parts.jpg|right|thumb|Examples for percussion welded contact parts]]
[[Category:Manufacturing Technologies for Contact Parts|Category]]
==References==
[[:Manufacturing Technologies for Contact Parts#References|References]]