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Odd-form assembly and laser soldering

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Odd-form assembly and laser soldering

The PMJ 1000 OFLS stands for a novel manufacturing strategy, combining odd-form assembly and selective soldering into one unit. The equipment is designed for the standard one-meter in-line platform on which the company’s assembly and depaneling systems are based. The platform incorporates an optimized frame structure, integrated 4-axis high-speed overhead gantry, SMEMA-compatible conveyor and PC-based servo-control system. The machine is designed on the basic hardware of a standard cell including servo gripper with automated finger changer, feeder interface, component feeders and camera-assisted teaching system. The innovative part is the combination of an odd-form assembler with a laser-soldering module placed under the conveyor to provide selective processing of solder joints during assembly. This soldering unit includes a laser head, solder-wire feeder, programmable servo-motion mechanism and the teaching system. The laser, wire feeder and camera move on a multi-axis gantry allowing optimum positioning for each joint including the ability to tilt the laser unit at various angles. It is a clean and contact-less process that provides easily adjustable parameters such as laser power, spot diameter and head position and angle. The wire feeder supplies a precise amount of solder to each joint. A temperature-control loop is integrated, as well as a laser-height sensor to measure the vertical distance from optics to solder joint. For visual control of soldering and assembly, a LCD monitor is build into the machine. By combining automated assembly of special thru-hole parts with selective soldering, this compact cell replaces large and costly equipment. Savings result from the elimination of manual labor for component preparation and kitting, parts insertion and manual soldering. Also beneficial are improved quality, reduced machine maintenance and floor-space savings.

EPP EUROPE 420
Current Issue
Titelbild EPP EUROPE Electronics Production and Test 11
Issue
11.2023
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