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High-end Off-line Cleaning Machine on SMT/THT Welding PCBA

An off-line solution designed to remove flux residues and improve PCBA reliability after soldering.

a. Independent off-line cleaning, no line interruption
b. Stable cleaning results for complex PCB assemblies
c. Compatible with multiple PCB sizes and layouts
d. Closed-loop cleaning and drying process
e. Simple operation with clear process control
f. Designed for SMT and mixed-technology boards
g. Global technical support from I.C.T
  • I.C.T-5600

  • I.C.T

  • PCB Cleaning Machine

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Reliable Off-Line PCBA Cleaning Solution


0-1 PCBA Cleaning Machine


The Off-line PCBA Cleaning Machine is designed for manufacturers who require stable and controllable post-solder cleaning without changing their existing production rhythm. This equipment operates independently from the SMT line, allowing flexible scheduling while maintaining consistent cleaning quality. It effectively removes flux residue, ionic contamination, and fine particles after reflow or selective soldering. As an Off-line PCBA Cleaning Machine, it supports high-mix and medium-volume production environments where flexibility and process stability are critical. The system is suitable for consumer electronics, industrial control boards, and LED assemblies. With standardized modules and clear process logic, it helps manufacturers improve product reliability while keeping operation and maintenance simple.


Feature

Cleaning Room

1-1 Cleaning room


The cleaning room is built as a fully enclosed chamber to ensure process stability and operator safety during operation. PCBAs are securely fixed during the cleaning cycle to avoid vibration or movement that could affect cleaning consistency. Spray pressure, cleaning angle, and exposure time are carefully controlled to achieve uniform results across the entire board surface. This design allows the Off-line PCBA Cleaning Machine to handle dense component layouts and fine-pitch areas effectively. The sealed structure also prevents liquid leakage and reduces environmental impact. By separating cleaning from the main SMT flow, manufacturers gain greater control over quality inspection and rework timing without affecting upstream production.


Circulation Pipe

2-1 Circulation pipe


The circulation pipe system is designed to deliver stable and repeatable cleaning performance throughout long production cycles. Cleaning liquid is evenly distributed through multiple nozzles, ensuring consistent pressure and flow at every stage. After use, the liquid is collected, filtered, and reused according to process requirements. This structure helps reduce consumption while maintaining cleaning effectiveness. As part of an Off-line Cleaning Machine, the circulation system supports reliable operation even under frequent start-stop conditions. The internal layout minimizes dead zones and sediment buildup, which helps maintain system cleanliness and reduces maintenance frequency. This design supports long-term operational stability for daily factory use.


Washer Fluid Tank

3-1 Washer fluid tank


The washer fluid tank is engineered to support controlled storage, filtration, and reuse of cleaning liquid. It includes multiple filtration stages to remove solder residues and fine particles generated during the cleaning process. The tank structure allows operators to monitor fluid condition clearly and perform replacement or maintenance efficiently. For manufacturers using a SMT Cleaning Machine in off-line mode, this design ensures stable cleaning performance without frequent liquid changes. Temperature and level control functions help maintain consistent process conditions. By managing cleaning media properly, the system improves cleaning repeatability while reducing operating costs and minimizing unexpected downtime in daily production.


Drying Module

4-1 Drying module


The drying module ensures that PCBAs exit the process completely dry and ready for inspection, testing, or assembly. Controlled hot air circulation removes residual moisture from component gaps and shadow areas. Drying parameters are adjustable to suit different board thicknesses and component densities. This module is essential for preventing water spots, corrosion, or electrical risk after cleaning. When used as a circuit board cleaning machine, the drying system supports high reliability standards required in industrial and LED applications. By integrating drying directly after cleaning, the machine shortens handling time and improves overall process efficiency in off-line production environments.


Control System

5-1 Control System


The control system is designed for clarity, stability, and ease of use in daily factory operations. Operators can set and store multiple cleaning recipes based on product type and process requirements. Real-time monitoring of pressure, temperature, and cycle status helps reduce human error and improves traceability. Alarm and protection functions support safe operation during long production hours. As a PCBA Cleaner Machine, the system focuses on repeatable process control rather than complex automation. This approach allows manufacturers to achieve consistent quality while keeping training time short and operation simple, even for teams with limited automation experience.


Comparison Before and After


6-1 Comparison Before and After


Specification


Parameter I.C.T-5600 (Offline) I.C.T-6300 (Online)
Cleaning Type Offline batch, basket loading Online continuous, belt conveyor
PCBA/Basket Size 610 × 560 × 100 mm × 2 layers Up to 600 × 400 × 100 mm (max conveyor width)
Cleaning Method Multi-spray with heating, rinse, hot air dry High-pressure spray, chemical + DI rinse + hot air dry
Tank Capacity (Diluent/Clean) 60L (dilution) / 17L (spray tank) 240L (clean liquid tank)
Concentrate Tank 30-32L Equipped with concentrated tank + auto add/discharge
Power Supply Not specified (typically lower, ~30-50 kW est.) 380V 3P 50/60Hz, 110-122 kW
Machine Dimensions Compact (exact not listed, smaller footprint) 5200 × 1750 × 1650-1700 mm
Drying Hot air dry 10-30 min Multi-stage hot air dry (dry 1 & dry 2)
Control System Touch screen, easy parameters, password PC + PLC, English software, adjustable pressures
DI Water Resistivity Monitoring Yes, real-time Yes, monitoring system
Typical Use Small-multi variety, high-mix batches High-volume batch, inline SMT lines


SMT Line Equipment List

SMT LINE


I.C.T constructs multiple SMT production line that complement the PCB board cleaning machine seamlessly. Typical builds incorporate PCB laser marking system for traceability, printers plus SPI for accurate paste application, JUKI placement machines for rapid assembly, reflow ovens for strong solder joints, AOI scanners for thorough inspection, and conveyors for fluid transfer. Automated solder paste storage systems preserve material quality. Selective wave soldering options handle through-hole requirements. Each piece integrates expertly to form productive, customized lines. I.C.T experts guide equipment choices and installation for optimal results throughout the process.


1 SMT Line with SMT Machine 01



Customer Success Video


I.C.T successfully supported a North American beauty device manufacturer by completing overseas installation and FAT support for two SMT production lines. The project included laser marking systems, solder paste printing and SPI inspection, Panasonic placement machines, Heller reflow ovens, AOI inspection equipment, PCB handling systems, an off-line PCBA cleaning machine, and a fully automatic solder paste storage and warming cabinet. The I.C.T engineering team completed on-site installation, process setup, and trial production support. Both lines passed production acceptance smoothly, helping the customer move into stable mass production with improved quality control and reliable post-solder cleaning capability.



Service and Training


I.C.T provides structured service and training to ensure stable operation of every delivered system. Engineers support equipment installation, process setup, and operator training both on-site and remotely. Training focuses on correct operation, routine maintenance, and basic troubleshooting to reduce daily risks. For off-line cleaning equipment, guidance also includes fluid management and cleaning parameter optimization. Clear documentation and standardized procedures help customers build internal capability quickly. With experience across many international projects, I.C.T ensures that customers can operate their equipment confidently, reduce downtime, and maintain consistent production quality throughout the equipment lifecycle.


PCB Cleaning Machine 201


| Customer Reviews


Customers consistently recognize I.C.T for professional engineering support and reliable equipment performance. Many highlight the clear communication and practical problem-solving skills of I.C.T engineers during installation and production ramp-up. Equipment stability and consistent cleaning results are frequently mentioned as key advantages. Customers also appreciate the secure packaging and careful logistics arrangements that protect machines during international transport. Fast response to technical questions and after-sales requests further strengthens long-term cooperation. This feedback reflects I.C.T’s focus on practical manufacturing value rather than short-term delivery alone.


Customer-Review-02


Our Certification


I.C.T equipment is designed and manufactured in accordance with recognized international standards. The company holds CE and RoHS compliance, ensuring safety and environmental responsibility. ISO9001 certification supports a structured quality management system covering design, production, and testing. In addition, multiple technical patents reflect continuous improvement in equipment design and process optimization. These certifications provide customers with confidence that each machine meets global market requirements. For manufacturers exporting products worldwide, certified equipment helps reduce compliance risks and supports stable long-term production planning.


证书1


About I.C.T and SMT Factory


I.C.T is a professional manufacturer and solution provider for electronic manufacturing equipment, with strong capabilities in research, design, and in-house production. The company employs a large technical and production team and has experienced rapid growth in recent years. I.C.T serves customers across many countries and regions, supporting a wide range of SMT, DIP, and assembly applications. The factory operates under strict inspection and quality control procedures, covering incoming materials, assembly, and final testing. This structured approach ensures consistent equipment quality and long-term reliability for global customers.

工厂1

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