Robotic Soldering | Advanced Automated Soldering System

What is Robotic Soldering?

Robotic soldering is an automated solution that replaces manual soldering with programmed motion and precise thermal control. It delivers repeatable joints, stable wetting, and consistent quality in automotive, industrial, medical, and other high-reliability electronics production.

Robotic Soldering Process

Robotic Soldering Process

Tip soldering typically follows a repeatable workflow: preheating the joint area, supplying solder while applying heat, shaping the fillet with controlled post-heating, and allowing cooling/solidification. A robotic soldering system automates each step with consistent timing and motion, helping maintain stable wetting and reliable joint formation across applications.

robotic soldering process
Robotic soldering introduction video thumbnail

Introduction of Automated Soldering Methods
Steve, a “virtual” employee of Japan Unix, explains the methods of automated soldering process! This is a must for beginners in automation! Steve will explain the features of soldering methods and how to use them.

Advantages of Robotic Soldering

Consistent Quality with Repeatable Motion

A robot repeats the same path, contact, and timing every cycle, reducing operator-dependent variation. This stabilizes wetting and fillet formation and helps improve yield, especially when soldering quality must be consistent across lines, shifts, and sites.

Handles Lead-Free and High Heat Dissipation Work

Lead-free soldering and high thermal mass parts often require strict thermal control. Robotic tip soldering can standardize contact time, tip temperature, and solder feed to reduce insufficient wetting and overheating—supporting stable production on difficult workpieces.

Scalable from Single Station to Line Automation

You can start with a compact soldering station for targeted processes and expand to a full soldering machine line as demand grows. Modular options—vision, feeders, safety covers, conveyors—allow stepwise automation without losing process consistency.

Process Know-How Embedded in Hardware

Japan Unix systems are designed around soldering theory and field experience. Tooling, motion control, and option packages reflect proven countermeasures for common defects, enabling faster setup and more robust operation compared with “generic” robots.

JAPAN UNIX Soldering Automation Solutions

Top in Variety of Automated Soldering Products

Japan Unix offers a unique lineup of automated soldering robots to support practical production requirements such as lead-free soldering, heat dissipation management, and high-density PCBs. By combining motion control and soldering know-how, the system helps standardize outcomes even for complex workpieces and long-run operation.

Flexible Configuration: Robot, Unit, or Integration

Japan Unix provides multiple paths to automation—from a single soldering unit added to your existing equipment, to a dedicated robot cell, to full system integration including safety covers and conveyors. This allows you to scale from a simple station to a complete automated soldering machine line.

Robots for Soldering Automation
Vertical robot for soldering automation

Multiple-joint Soldering Robot

The highest-end model for full automated soldering line. It can provide high-quality work on the most difficult workpieces.

Desktop soldering robot

Desktop Type Soldering Robot

Versatile desktop type. Once programmed, it can consistently perform with the same quality as a skilled operator by simply pressing the start button.

Gantry soldering robot

Gantry Type Soldering Robot

Gantry type robot is optimized for in-line automation that is as easy to use as a desktop type.

Choice of Automated Soldering Installations

Japan Unix provides automated soldering solutions based on original theory and experience. Our robots and systems solve challenges like lead-free soldering, heat dissipation, and high-density PCBs—scalable from a compact station to a full soldering machine line.

Additional Options for Soldering Automation

By combining additional functions, higher quality, more accurate soldering and shorter cycle time can be achieved.

Lock-on mechanism

Lock-on Mechanism
Prevents misalignment of solder feeding position, which tends to occur

UniTester (automatic temperature measurement and calibration)

UniTester
Automatic temperature measurement and calibration system

High precision feeder

High Precision Feeder
For ultra-fine soldering.
Minimum diameter φ0.15 mm and above

Brush tip cleaner

Brush Cleaner
Removes hard carbides to extend tip life

UH Heater (300W high peak output)

UH Heater
300W high peak output with energy-saving performance

Other Solutions