Anhui Huihuang Chain Transmission Co., Ltd. is one of the leading manufacturers and suppliers of wave soldering downhill chain in China, featured by quality products and good service. If you're going to wholesale advanced wave soldering downhill chain made in China, welcome to get pricelist and free sample from our factory. We also accept customized orders.
Products Description

This conveyor chain is built on standard 06C (35B) roller chain with 9.525 mm pitch. Red silicone anti-slip pads are mounted on outer link plates. It is specially customized for PCB wave soldering machines, also known as wave solder downhill transport chain. The carbon steel chain body works with elastic silicone pads to stably carry circuit boards. It effectively prevents PCBs from sliding, shifting or dropping during downhill transportation, widely adopted in electronics assembly, wave soldering and SMT production lines.
An essential part of high-precision SMT (Surface Mount Technology) and PCB (Printed Circuit Board) assembly lines is the Wave Soldering Machine Downhill Finger Conveyor Chain. This downhill transport chain safely holds, moves, and transitions PCBs through fluxing, preheating, and soldering zones with exceptional temperature stability in demanding lead-free soldering conditions.
Our high-temperature SMT conveyor chain, which is constructed with bespoke titanium or stainless steel fingers and high-strength alloy steel base chains, ensures remarkable wear resistance, minimum elongation, and a long service life during continuous thermal cycles.
Structure Analysis

Base 06C (35B) Precision Roller Chain Standard 9.525mm pitch carbon steel roller chain. Heat-treated pins and sleeves guarantee flexible rotation. Compatible with standard 06C sprockets for direct replacement on most wave soldering equipment.
Red Silicone Anti-slip Pads (Key Feature) High-friction silicone pads serve as the supporting surface. Soft silicone avoids scratches on PCB boards, solder pads and electronic components. It solves the slipping problem at downhill sections of wave soldering equipment.
Connecting Links Matching inner & outer connecting links are supplied for easy on-site cutting and assembly according to machine track length.
Customizable Options Silicone hardness, thickness and mounting mode can be modified. High-temperature resistant silicone is available for heat-intensive soldering environments.
Key Advantages
Reliable anti-slip performance for downhill PCB conveying
Soft silicone protects circuit boards from surface damage
Smooth operation, low noise and stable transmission
Two silicone grades: general grade and high-temperature resistant grade
Excellent interchangeability for mainstream wave soldering machines
Flexible non-standard customization of chain length and silicone layout

Above-the-Fold Key Features
Extreme High-Temperature Resistance: Specially engineered to withstand continuous thermal processing up to 300°C (572°F) without thermal fatigue or deformation.
Premium Finger Material Options: Available with high-grade Titanium Alloy (Ti) or SUS304/SUS316 Stainless Steel fingers for maximum chemical and lead-free solder flux corrosion resistance.
Smooth Downhill PCB Transport: Precision pitch control ensures anti-vibration, smooth downhill conveyance to eliminate board jamming and component displacement during wave soldering.
OEM/ODM Cross-Reference Compatibility: 100% interchangeable replacement chain for leading wave soldering brands including Heller, Electrovert, ERSA, Vitronics Soltec, and Seho.
Technical Specifications
| Specification Parameter | Standard Value / Details |
| Product Name | Wave Soldering Machine Downhill Finger Conveyor Chain |
| Operating Temperature | Continuous up to 260°C (500°F), Peak up to 300°C (572°F) |
| Finger Material | Titanium Alloy (Ti) / Stainless Steel (SUS304 / SUS316) |
| Base Chain Material | Heat-Treated Alloy Steel / Stainless Steel |
| Application Industry | SMT Line, PCB Assembly, Wave Soldering Equipment Conveyance |
| Key Features | Anti-corrosion, Flux Resistant, Low Elongation, High Pitch Precision |
Selection & Custom Options
Chain material: Carbon steel or SUS stainless steel
Silicone: Normal red silicone / high-temperature silicone
Layout: Single-side or double-side silicone pads
Supporting parts: 06C sprockets and connecting links available
Extra customization: Guide plates to prevent chain deviation
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