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April/May, 2024
Optimized Hand Soldering and Rework in Electronics Manufacturing
By Enrique Moreno, R&D Department, JBC R
ework of a PCB assembly usually involves desolder- ing and re-soldering surface
mounted electronic components. Generally, this procedure takes place towards the end of the pro- duction process when the PCB has a high value, so its impact can be significant in terms of both cost and productivity. With the right equipment
the hand soldering process can be optimized to deliver the best joint quality in terms of time and cost. The key to achieving a high quality soldered connection is finding the optimal rate of heat transfer from the solder iron to the component. The efficiency of heat trans-
fer is dependent on a number of factors including the solder, flux and content in the solder wire, tip condition and shape, the ther- mal performance of the soldering iron, and tip temperature drop- ping — in addition to the specific characteristics of the PCB and component for each application. JBC has developed advanced technology based on excellent
heat transfer, instantaneous heating-up and great durability.
Heat Management JBC’s cartridges have a built-
in heating element with an inte-
without risking component dam- age from temperature shocks. Unlike conventional soldering irons, JBC’s system reduces tem- perature drop by up to 60%, pre- serving tip lifespan and protecting
instantly adjusts power to main- tain temperature when touching the joint, ensuring rapid recov- ery and sustained productivity. JBC soldering and rework
stations allow the tools to enter sleep and hibernation modes when not in use. As a result, tip life is significantly increased. Sleep Mode automatically lowers tip temperature below the solder melting point when the tool rests. After a configurable period of tool inactivity in the stand, the tool enters hibernation mode. It cuts off the power supply, mak- ing the tip reach room tempera- ture, thus preventing oxidation and saving energy.
Increased Productivity Many JBC soldering sta-
Quick cartridge exchanger.
grated thermal sensor for precise temperature control that mini- mizes temperature fluctuations at the tip. This allows operators to make high-quality solder joints
PCBs and components. JBC’s heating system heats
up to 662°F (350°C) in just two seconds, much faster than most systems. Its embedded sensor
tions are fitted with a quick car- tridge exchanger. No tools need- ed to change the tip. This reduces idle time while increas- ing operator safety. The quick cartridge exchanger is available in all stands, Compact and B·IRON stations. Different sol-
Continued on next page PROVEN INDUSTRVEN INDUST Y EXPERTISE • CUSTOM SOLUTIONS & QUICK TURNAROUND • COMMITMENT TO QUALITY
Juki KE2050-
2080 / FX-1 502 Assembly Nozzle
0 zzle
Type 502 with dimensions of 0.7 OD, 0.4 ID, ensuring optimal performance for KE-2000/FX/JX series.
MYDATA Mycronic Nozzles
s
Including the A34 MELF 1.5mm ID, perfect for Mini-Melf components and compatible with various MYDATA machine types (TP9, TP11, TP18, MY9, MY12, MY15, MY19, MY100).
Yamaha 311A Nozzle
Precisely engineered for 0201/01005 components with dimensions of 0.35 x 0.75mm.
Count On Tools’ Precision Engineered Nozzles direct
Discover unparalleled efficiency and savings with Count On Tools’ premium nozzles and tooling for SMT & PCB Assembly industries. For over 30 years, we have de- livered innovative solutions that enhance productivity and cut costs, without compromising on quality. Our
Upgrade Your SMT Assembly with replacements
for OEM nozzles, JUKI product line and special including the tools for Micronic and
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COUNT ON TOOLS, INC. 2481 Hilton Drive, Suite 3 Gainesville, GA 30501 Tel: (770) 538-0411 •
sales@cotinc.com •
www.nozzles4smt.com
See at IPC APEX, Booth 1332
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