Infrared Soldering System

Non-contact infrared line heater system for PCB wire soldering with automated solder paste dispensing
Infrared Soldering System

Overview

The customer's product required an operator to insert approximately six (6) wires into plated holes of a printed circuit board.

The operator then placed the product into a fixture which, by means of an air cylinder, moved at a constant speed under a stylus that dispensed solder paste over the wires on the board.

At the same time, the previous unit was being soldered by means of a non-contact infrared line heater. A metal mask ensured radiant heat did not cause any damage to the rest of the assembly.

This process eliminated the need for tinning and maintenance of soldering irons, and significantly improved the reliability of solder joints.

System Features

Application Wire-to-PCB soldering (approx. 6 wires per board)
Fixture Drive Air cylinder, constant speed traverse
Solder Application Stylus-dispensed solder paste
Heat Source Non-contact infrared line heater
Heat Masking Metal mask to protect surrounding assembly
Throughput Simultaneous paste dispense and solder cycle
Benefits Eliminates iron tinning & maintenance; improves joint reliability
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