Editorial Technical Reference

Wave Soldering Machine

This page explains how Wave Soldering Machine is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

An automated soldering system that creates permanent electrical connections on printed circuit boards by passing them over a molten solder wave.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Wave Soldering Machine

Definition
A wave soldering machine is an industrial automation system used in electronics manufacturing to solder through-hole components onto printed circuit boards (PCBs). The machine creates a controlled, flowing wave of molten solder through which PCBs are passed, allowing solder to flow into plated through-holes and form reliable electrical and mechanical connections. This process enables high-volume, consistent soldering of electronic assemblies with minimal operator intervention. The system typically includes a fluxing station, preheating zone, solder pot with pump, conveyor system, and control interface. Key parameters such as conveyor speed, solder temperature, wave height, and preheat temperature are adjustable to accommodate different PCB sizes and solder joint requirements. The machine is constructed with materials like stainless steel, copper alloy, ceramic, and high-temperature plastics to withstand the thermal and chemical demands of the process. It is designed for use in computer, electronic, and optical product manufacturing facilities. The equipment operates on a three-phase 380 V AC power supply and requires compressed air for pneumatic components. The conveyor width can be adjusted automatically to handle PCBs ranging from 50 to 450 mm in width. The solder pot capacity ranges from 300 to 600 kg, and the overall dimensions vary from 4000–8000 mm in length, 1200–1500 mm in width, and 1500–1800 mm in height, with a weight of 1500–3000 kg depending on configuration. The control system typically includes a programmable logic controller (PLC) with a touchscreen interface for monitoring and adjusting process parameters. For specific model capabilities, safety features, and compliance with applicable standards, verify with the legal manufacturer or supplier.
Working Principle
The wave soldering process begins with flux application to clean and prepare PCB surfaces. The board then passes through a preheating zone to activate the flux and prevent thermal shock. Next, the PCB travels over a precisely controlled wave of molten solder created by a pump system. As the board contacts the solder wave, capillary action draws solder into component leads and plated through-holes. Finally, the board exits the solder wave and cools, solidifying the solder joints. The entire process is controlled by conveyor speed, solder temperature, wave height, and other parameters to ensure consistent quality.
Common Materials
Stainless Steel, Copper Alloy, Ceramic, High-Temperature Plastics
Technical Parameters
ParameterTypical rangeNotes & selection driver
Conveyor SpeedRequired0.5–2.0 m/minSpeed at which PCBs travel through the soldering process
Solder TemperatureRequired250–270 °CTemperature of the molten solder in the wave pot
Wave HeightRequired5–12 mmHeight of the solder wave above the nozzle
PCB Width CapacityRequired50–450 mmMaximum width of PCB that can be processed
Preheat TemperatureRequired80–150 °CTemperature in the preheating zone
Heating Power15–30 kWTotal power for preheat and solder pot
Conveyor Width AdjustmentMotorizedAutomatic width adjustment for different PCB sizes
Solder Capacity300–600 kgAmount of solder in the pot
Control SystemPLC + HMIProgrammable logic controller with touchscreen interface
Power Supply380 ±10% V ACThree-phase, 50/60 Hz
Air Pressure0.5–0.7 MPaFor pneumatic components
Overall Dimensions4000–8000 × 1200–1500 × 1500–1800 mmLength × width × height
Weight1500–3000 kgDepends on configuration

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Flux Applicator
    Applies flux to PCBs to clean surfaces and promote solder adhesion
    Material: Stainless steel with foam or spray nozzle
  • Preheat Zone
    Gradually heats PCBs to activate flux and prevent thermal shock
    Material: Ceramic infrared heaters or convection heating elements
  • Solder Pot
    Contains and heats molten solder to maintain proper temperature
    Material: Stainless steel with titanium coating
  • Wave Generator
    Creates and controls the solder wave using pumps and nozzles
    Material: Stainless steel and ceramic components
  • Conveyor System
    Transports PCBs through all process stages at controlled speed
    Material: Stainless steel mesh or finger conveyors
  • Cooling Zone
    Gradually cools soldered PCBs to solidify joints
    Material: Aluminum heat sinks with forced air cooling
  • Nitrogen Atmosphere System
    Provides inert atmosphere to reduce oxidation during soldering
    Material: Stainless steel piping and control valves
  • Solder
    The molten metal drawn into the leads and through-holes to form the joints.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Wave Soldering Machine.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0.1-0.5 bar (wave pressure)
flow rate: 10-50 L/min (solder circulation)
temperature: 240-280°C (solder pot temperature)
conveyor speed: 0.5-3.0 m/min
preheat temperature: 80-150°C
Media Compatibility
✓ FR-4 PCB substrates ✓ Lead-free solder alloys (SAC305) ✓ Standard SMD components
Unsuitable: High-moisture sensitive components (MSL 1) without proper baking
Sizing Data Required
  • Maximum PCB dimensions (L x W)
  • Production throughput (boards/hour)
  • Component density and pin pitch

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Flux Residue Buildup and Corrosion
Cause: Accumulation of flux residues on solder wave nozzles, pumps, and heating elements due to inadequate cleaning or use of incompatible flux types, leading to clogging, reduced thermal efficiency, and corrosive damage to components.
Thermal Degradation of Heating Elements and Sensors
Cause: Continuous high-temperature operation and thermal cycling causing wear, oxidation, or calibration drift in heating elements (e.g., immersion heaters) and temperature sensors, resulting in unstable solder wave temperature and poor soldering quality.
Maintenance Indicators
  • Irregular or unstable solder wave formation (e.g., wave height fluctuations, splashing, or visible turbulence) indicating pump wear, nozzle blockage, or temperature control issues.
  • Excessive smoke or unusual odors during operation, signaling overheating, flux contamination, or electrical component failure requiring immediate shutdown.
Engineering Tips
  • Implement a strict preventive maintenance schedule for cleaning flux residues and inspecting solder wave nozzles and pumps, using manufacturer-recommended cleaning agents and procedures to prevent corrosion and clogging.
  • Regularly calibrate temperature sensors and heating elements, and monitor thermal profiles with data loggers to detect drift early, ensuring consistent solder wave temperature and reducing thermal stress on components.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
CE Marking - EU Machinery Directive 2006/42/EC

Quoted from the published standard.

Manufacturing Precision
  • Wave Height Stability: +/- 0.5mm
  • Conveyor Speed Accuracy: +/- 2%
Quality Inspection
  • Solder Wave Profile Analysis
  • Thermal Profiling Verification

Manufacturers of Wave Soldering Machine

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

JT Automation
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
TYtech
Shenzhen, Guangdong, CN
Also makes: Solenoid Valve, Reflow Oven, SMT Stencil and 2 more
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
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Inspection readiness
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Frequently Asked Questions

What types of PCBs can be processed with a wave soldering machine?

Wave soldering machines are designed for through-hole components. The PCB width capacity is typically 50–450 mm, but the actual range depends on the specific model. Verify the maximum board width and component height clearance with the manufacturer.

What are the typical operating parameters for wave soldering?

Common parameters include conveyor speed of 0.5–2.0 m/min, solder temperature of 250–270°C, wave height of 5–12 mm, and preheat temperature of 80–150°C. These values are reference ranges; the optimal settings depend on the solder alloy, PCB design, and component types.

What maintenance is required for a wave soldering machine?

Regular maintenance includes checking solder level and composition, cleaning the flux nozzle and conveyor rails, inspecting the pump and heating elements, and calibrating temperature sensors. The frequency depends on usage and manufacturer recommendations. Always follow the supplier's maintenance schedule.

What safety considerations are important when operating a wave soldering machine?

Operators should be trained on handling molten solder, which can cause severe burns. The machine must have proper ventilation to remove fumes. Electrical safety is critical due to high power consumption (15–30 kW). Ensure emergency stops and guards are functional. Refer to the manufacturer's safety manual.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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