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A soldering iron is a hand tool used to heat solder, usually from an electrical supply at high temperatures above the melting point of the metal alloy. ThisSOLDERING. INTRODUCTION. 1. Soldered connections are used in aircraft electrical wiring to form a continuous and permanent. Soldering may be used to join wires or attached components to a printed circuit board (PCB). Wires, component leads and tracks on circuit boards are mostly. PDF | On Apr 21, 2009, Jin Liang published Lead-Free Soldering Materials and Processes | Find, read and the theoretical volume for the stencil aperture. workshop soldering iron. Moreover, ERSA's electronically temperature-controlled soldering stations now represent, in the same way,. Filler metal called solder is added to the joint, which distributes between the closely fitted surfaces. Strength of soldered joint is much lesser than welded The idea is simple: to join electrical parts together to form an electrical connection, using a molten mixture of lead and tin (solder*) with a soldering iron. This is called a printed circuit board, or PCB for short. What is solder? Soft solder is a filler metal made from an alloy (mixture) of tin (60%) and lead (40 1.1.5 Advantages of solder paste technology in SMT 2.1 Soldering theory 2.4.2 Desirable solders and the soldering process.