2,808
edits
Changes
→6.4 Formulas and Design Rules
</figtable>
==<!--6.4 -->Formulas and Design Rules==
===<!--6.4.1 -->Definition of Terms and Symbols===
Note: The symbols for electrical contact specific terms (i.e. contact area,
contact resistance, etc. have been retained from the german version of the Data
Main Article: [[Definition of Terms and Symbols| Definition of Terms and Symbols]]
===<!--6.4.2 -->Contact Physics – Formulas===
Main Article: [[Contact Physics – Formulas| Contact Physics – Formulas]]
===<!--6.4.3 -->Closed Contacts===
<xr id="fig:Rough flat surface"/> <!--Fig. 6.5: --> Rough flat surface a) before and b) during making contact with an ideally
smooth flat surface; c) Schematic of the apparent, load bearing and effective
contact areas (not to scale; dashed lines are elevation lines)
<xr id="fig:Contact-resistance-of-crossed-rods"/> <!--Fig. 6.6: --> Contact resistance of crossed rods as a function of the contact force for gold, silver and silver-palladium alloys
<div class="multiple-images">
<figtable id="tab:Thermo-electrical Voltage of Contact Materials (against Copper)">
<caption>'''<!--Table 6.3: -->Thermo-electrical Voltage of Contact Materials (against Copper)'''</caption>
{| class="twocolortable" style="text-align: left; font-size: 12px"
</figtable>
===<!--6.4.4 -->Switching Contacts===
Main Article: [[Switching Contacts| Switching Contacts]]
===<!--6.4.5 -->Physical Effects in Sliding and Connector Contacts===
Main Article: [[Physical Effects in Sliding and Connector Contacts| Physical Effects in Sliding and Connector Contacts]]
===<!--6.4.6 -->General Rules for Dimensioning of Contacts===
Main Article: [[General Rules for Dimensioning of Contacts| General Rules for Dimensioning of Contacts]]
===<!--6.4.7 -->Contact Spring Calculations===
Main Article: [[Contact Spring Calculations| Contact Spring Calculations]]