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APEX Soldering Solutions Reflect Lead-free Conversion
February 22, 2007 |Estimated reading time: 1 minute
LOS ANGELES Lead-free solder, soldering systems equipped for lead-free, and cleaning systems targeting lead-free solders and fluxes debuted at APEX. Following are some of the products showcased by Tamura, Juki, and other companies.
Post-solder, the SMT1000-QUAD, introduced by Aqueous Technologies (Rancho Cucamonga) at Booth 1109, removes flux residue in four automated chambers. The multiple process chambers, which perform wash, rinse, cleanliness test, and dry, are autonomous, allowing operators to deflux various recipes without cross contamination. Statistical process control (SPC) and data capture and recall are standard for each chamber. A built-in filtration and recycling system reuses wash solution.
Juki Corporation (Morrisville, N.C.) focused on its 300 and 400 selective soldering systems at Booth 2437. The 400 system can be used for batch or inline component placement. Customizable, it offers a three-stage system for higher throughput and targets lead-free applications. Additional features include multiple solder pots, multiple mini-wave nozzles, mini-dip nozzles, and an optional full wave. An embedded Tenifer nitrate process protects the system against aggressive alloys. Nitrogen inertion is available at the mini-wave, directly on the wave, and directly on the PCB.
Based in Littleton, Mass., VJ Electronix exhibited at Booth 2637, highlighting its Summit 1800A advanced rework station capable of lead-free rework with large components. A 65-mm alignment field-of-view, digital and optical zoom, and split image are standard. The system includes a programmable motor-controlled top heater and independent pick-up motion with zero-force removal. An automatic prism shuttle accommodates large components for more accurate alignment.
Distributor all4-PCB (North America) Inc., at Booth 313, demonstrated a solder mask spray-coating system developed in Switzerland. The system debuted in North America at APEX. The company also exhibited supplier KSL-Kuttler's fully automated Mylar peeling machine, P650. The Mylar peeler was introduced to eliminate the labor-intensive manual production task of peeling Mylar foil off PCBs prior to DES or SES lines.
San Diego-based Tamura H.A. Machinery, Inc., highlighted its FLIP solder bath at Booth 1145. Designed for lead-free reflow soldering systems, the FLIP features linear induction pumping technology, with three phases of AC currents flowing through two induction coils to induce horizontal magnetic fields inside the solder bath. Tamura maintains that this method for circulating molten solder without motors, impeller shafts, or belts reduces dross and wasted solder.