Wave Soldering Machine – WSM 350 DF (Finger Type)
Overview of Wave Soldering Machine – WSM 350 DF (Finger Type)
The Wave Soldering Machine – WSM 350 DF (Finger Type) is a next-generation, high-performance dual wave soldering system designed for automatic PCB soldering in modern assembly lines. Unlike manual carrier-type systems, the WSM 350 DF features an automatic chain conveyor with Special Steel fingers, eliminating the need for manual PCB feeding. Simply load PCBs through linking conveyors or inline modules, and the system handles the rest, ensuring faster throughput, reduced labor, and consistent soldering quality.
Built with dual wave solder baths, advanced spray fluxing with large preheater, and an integrated cooling fans, the WSM 350 DF is the ultimate solution for high-volume, lead-free, and defect-free PCB soldering. Its robust design, energy efficiency, and low-maintenance features make it a preferred choice across industries like automotive, consumer electronics, telecommunications, and industrial automation.
- Fully Automatic Operation – Chain conveyor with Special Steel fingers ensures seamless inline PCB soldering without manual handling.
- Dual Wave Solder Bath with Advanced Fluxing – spray fluxing, preheater, and dual wave solder bath guarantee defect-free solder joints for mass production.
- High Reliability & Low Maintenance – Self-cleaning system, lead-free solder compatibility, and robust design deliver long-term performance with reduced downtime.
Key Features of Wave Soldering Machine – WSM 350 DF (Finger Type)
The WSM 350 DF comes with advanced features designed to enhance automation, precision, and productivity while reducing operational costs.
- Dual Wave Soldering Technology
- Ensures complete solder coverage with minimal bridging and defects.
- Dual solder bath design improves throughput for high-density boards.
- Advanced PLC + HMI Touchscreen Control System
- Easy-to-use interface for real-time monitoring and adjustments
- Digital control of conveyor speed, solder wave height, and temperature
- Energy-Efficient PID + SSR Heating Control
- Maintains precise solder bath and preheater temperatures
- Reduces power consumption while ensuring stable soldering
- Spray Fluxing
- Integrated spray fluxer with flux tank ensures uniform coverage.
- Compatible with RMA, RA, alcohol-based, low solids, and VOC-free fluxes.
- Foam Flux with Preheater (Optional)
- Foam flux + ceramic preheater prevent thermal shock and improve adhesion.
- Automatic Chain Conveyor with Special Steel fingers (Titanium Fingers Optional)
- Eliminates manual PCB loading – fully automatic inline operation.
- High-grade Special Steel fingers provide durability and precision.
- Compatible with linking conveyors, inline modules, and multi-line setups.
- Special Steel Alloy Solder Pot for Lead-Free Compatibility
- Resistant to corrosion and ensures long service life
- 260 kg solder capacity with temperature up to 300°C
- Self-Cleaning System
- Automatic cleaning tools minimize downtime and maintenance.
- Ensures stable solder wave quality and reduces dross formation.
- Flexible Solder Bath Options
- Standard manual solder bath adjustment.
- Optional motorized solder bath control for ease of operation.
- High-grade RoHS-compliance solder pot with PID control.
- Advanced Control System
- Independent controllers for solder pot, preheater, and conveyor.
- Touchscreen + PLC control with real-time monitoring.
- VFD for conveyor speed and wave height adjustment.
- Precision Pneumatic Control with Pressure Gauge
- Features an accurate pressure gauge and solenoid valve for reliable flux spraying.
- Allows for fine-tuning of air pressure to ensure perfect flux application every time.
- Energy-Efficient Heating
- Ceramic glass preheater with uniform heat transfer by infra-red (IR) and by convection
- PID + SSR controlled heating reduces power consumption.
- Integrated Cooling Fan
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- Integrated cooling Fan system ensures proper solidification of solder joints.
- Reduces stress, cracks, and warpage in PCBs after soldering.
Main Parts of Wave Soldering Machine – WSM 350 DF
- Chain Conveyor with Special Steel fingers (Titanium Fingers Optional)
- Automatic inline PCB handling.
- High-strength fingers prevent distortion at high temperatures.
- AC 3-phase motor drive with VFD speed control.
- Solder Bath (Dual Design)
- High-grade RoHS-compliance solder pot.
- Optional Adjustment solder bath trolley adjustment.
- PID + VFD-controlled wave height and temperature.
- Preheater System
- Ceramic glass heating surface for maximum IR transfer.
- 2-stage PID controlled preheadting for stability.
- Spray Fluxer System (Standard )
Spray Fluxer System (Standard )
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Foam Fluxer (Optional)
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- Conveyor Width & Height Adjustment
- Adjustable conveyor width to support PCB sizes up to 50–350 mm.
- Conveyor height maintained at 750 ± 20 mm, compatible with standard inline setups.
- Easy adjustments make it suitable for different PCB sizes and production requirements.
- Control Panel
- Integrated PLC + HMI touchscreen.
- Digital wave height adjustment.
- VFD control for conveyor and solder pump motors.
- User-friendly desgin for real-time process monitoring
- PLC Control System
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- Precisely manages temperature, conveyor speed, and wave height.
- Ensures repeatable soldering performance.
- Built with AC drive, relays, MCBs, and contactors for reliability.
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- Self-Cleaning Tool for Fingers
- The automatic finger cleaning system is designed to maintain stable and reliable machine operation.
- By keeping the conveyor fingers clean, it improves soldering consistency and overall product reliability.
- Pneumatic System & Air Flow and Flux Flow control with Solenoid Valve
- Pneumatic gauge monitors and regulates air pressure.
- Solenoid valve ensures accurate control of air for flux spraying and solder levelling.
- Maintains stable airflow for consistent solder quality.
Applications of Wave Soldering Machine – WSM 350 DF
The WSM 350 DF is designed for industries requiring automatic, high-volume PCB soldering:
- PCB Assembly Lines – Fully automatic soldering for inline mass production.
- Consumer Electronics – TVs, radios, and home appliances with high-quality joints.
- Automotive Electronics – Dashboards, ECUs, sensors, and control modules.
- Industrial Equipment – Automation controllers, power supplies, and PCB boards.
- Telecommunication Devices – Routers, switches, and networking equipment.
- Medical Electronics – Precision diagnostic and healthcare devices.
Advantages of Wave Soldering Machine – WSM 350 DF
- Automatic Operation – Eliminates manual handling with inline conveyor.
- Faster Production – Dual solder bath and inline design improve efficiency.
- Consistent Quality – Titanium fingers ensure stable PCB handling.
- Energy Efficiency – PID-controlled heating and optimized power use.
- Reduced Maintenance – Self-cleaning system lowers downtime.
- Lead-Free Compatibility – RoHS-compliant solder pot for future-proofing.
- Flexible Integration – Compatible with linking conveyors and inline setups.
- High Reliability – Ensures defect-free soldering across industries.
Why Choose Us?
At Estovir Technologies, we don’t just provide machines – we deliver complete PCB soldering solutions built for speed, reliability, and long-term value. Choosing the WSM 350 DF (Finger Type) means you benefit from:
- Proven Expertise in Wave Soldering Technology
- Years of experience in designing advanced soldering machines for electronics manufacturing.
- Trusted by industries including automotive, consumer electronics, and industrial automation.
- Cutting-Edge Features for Modern PCB Production
- Dual solder bath design, titanium finger conveyor, integrated cooling conveyor, and self-cleaning system.
- Supports lead-free soldering with RoHS-compliant solder pots.
- Automation & Productivity Advantage
- Inline chain conveyor eliminates manual feeding, ensuring smooth integration with linking conveyors and inline modules.
- Faster cycle times, reduced labor, and higher throughput for mass production.
- Energy-Efficient & Cost-Effective Design
- PID + SSR controlled heating reduces power consumption.
- Automatic fluxing and optimized airflow lower operating costs.
- Customer-Centric Support
- Comprehensive training, installation, and after-sales service.
- Quick availability of spare parts and accessories for minimum downtime.
Standard Accessories of WSM 350 DF
| S. No. | Accessory | Qty. |
| 1 | Operation Software | 1 pc |
| 2 | Heater | 1 pc |
| 3 | Special Steel fingers (Titanium Fingers Optional) | 10 pcs |
| 4 | Chain Lock | 1 pc |
| 5 | Fuse | 1 pc |
| 6 | Relay | 1 pc |
| 7 | Solid State Relay | 1 pc |
| 8 | Air Control Valve | 1 pc |
| 9 | K-type Thermocouple | 1 pc |
| 10 | User Manual | 1 book |
| 11 | Tool Box | 1 set |
To meet diverse PCB assembly requirements, Estovir Technologies provides a complete range of wave soldering machines, each designed for high performance, efficiency, and reliability:
- Wave Soldering Machine (WSM 300 DC): Dual-wave carrier-type wave soldering machine.
- Wave Soldering Machine (WSM 300 DF): Dual-wave Finger-type wave soldering machine.
- Wave Soldering Machine (WSM 200 SC): Single-wave carrier-type wave machine.
Each model is engineered for precision and durability, ensuring consistent solder quality across all production levels. Backed by Estovir’s trusted service support and fast delivery, these machines help manufacturers streamline operations and maximize productivity.
Watch Product Demo: Video Link
