
XT348 Drop Forged Chain
Hangzhou Ocean Industry Co., Ltd. is one of the most experienced manufacturers and suppliers of xt348 drop forged chain in China. Welcome to wholesale customized xt348 drop forged chain at competitive price from our factory. Good service and quality products are available.
XT348 Industrial Drop Forged Rivetless Chain for Intermediate Heavy-Duty Transport
In the rigorous environment of industrial surface treatment, the mechanical backbone of your facility dictates your operational ceiling. Hangzhou Ocean Industry Co., Ltd. introduces the XT348 Drop Forged Chain, a specialized rivetless solution designed for facilities that require more durability than a standard single guide conveyor chain but do not necessitate the massive scale of an F-160 system. Forged from high-grade alloy steel, the XT348 is engineered to provide an optimized balance of low tare weight and extreme tensile resilience.
This heavy duty conveyor chain is a staple in modern industrial conveyor system chain designs due to its unique "X-Type" geometry. Unlike the painting line chain QXG250 conveyor chain, which is often enclosed, the XT348 utilizes an open-track rivetless architecture. This allows for rapid inspection and tool-free maintenance, a critical advantage in a 24/7 painting line. By ensuring that the steel's grain flow follows the contour of every link, Hangzhou Ocean Industry delivers a chain that resists elongation and fatigue even when navigating steep vertical inclines or high-temperature curing zones. Whether transporting automotive sub-assemblies or bulky appliances, the XT348 offers the structural security required for high-volume finishing.

Advanced Technical Features
Symmetrical Rivetless Design: The XT348 features a center-link and side-link configuration that can be assembled by hand, eliminating the need for hydraulic riveting tools in your industrial conveyor system chain.
Structural Grain Alignment: Our drop-forging process ensures the internal fiber structure of the metal is never interrupted, providing maximum resistance to shock loads and high-frequency vibrations.
Enhanced Fatigue Limit: Engineered by Hangzhou Ocean Industry to survive millions of cycles through chemical pre-treatment and thermal curing without stress-fracturing.
Optimized Power-to-Tensile Ratio: The lightweight profile of the XT348 reduces the energy required by the drive motor compared to heavier heavy duty conveyor chain alternatives.
Interchangeable Attachments: Specifically designed to work with various forged trolleys and fixed hanging plate chain attachments for versatile workpiece mounting.
Technical Parameter Matrix: F-160 Forged Series
| Technical Metric | Specification Value | Engineering Note |
|---|---|---|
| Model Code | XT348 (Rivetless Forged) | 3-Inch Pitch Standard |
| Nominal Pitch | 76.6 mm (3.01 Inches) | High-precision forged tolerance |
| Ultimate Breaking Load | ≥ 108 kN (11,000 kgf) | Verified by tensile testing |
| Material Composition | 40Cr / 45Mn2 / 45# Steel | Quenched and Tempered |
| Weight per Meter | Approx. 3.2 kg/m | High-strength/Low-weight |
| Surface Hardness | HRC 40-45 | Superior link-to-pin wear resistance |
| Standard Finish | Anti-Rust Oil / Electrophoresis | Chemical and humidity resistant |
Engineering Selection & Environmental Suitability
Engineering Selection Advice
The XT348 is the "versatile middle-weight" of the forged chain family. Hangzhou Ocean Industry recommends this model for lines where the single-point load ranges from 50kg to 150kg. If your system requires frequent 3D direction changes (sharp horizontal and vertical turns), the XT348 provides better flexibility than the painting line chain QXG250 conveyor chain. It is ideally suited for overhead loops where the total chain length is between 100 and 300 meters, providing a stable, surge-free industrial conveyor system chain experience.
Applicable Environmental Conditions
Thermal Range: Continuous duty from -20°C to +260°C.
Atmospheric Resistance: Highly resistant to the acidic and alkaline vapors found in a painting line pre-treatment tunnel.
Loading Dynamics: Designed for high-cycle operations where consistent pitch accuracy is required to sync with automated spray guns.
Industrial Application Scenarios
Mid-Sized Automotive Components: Painting bumpers, wheels, and suspension parts on a heavy duty conveyor chain.
Outdoor Power Equipment: Continuous finishing lines for lawnmower decks and snowblower frames in an industrial conveyor system chain.
Electronics & Rack Systems: Transporting large server enclosures and telecommunications cabinets through a high-temperature painting line.
Installation & Working Principle
Working Principle
The XT348 operates as a rivetless mechanical loop. The links are designed to lock together under tension, with the pins serving as the pivot points for both horizontal and vertical articulation. In a typical industrial conveyor system chain, the chain is supported by trolleys that ride on an I-beam rail. Workpieces are attached to these trolleys using a fixed hanging plate chain or custom hooks. The caterpillar drive unit engages the side links, propelling the assembly smoothly through the various processing zones of the painting line.
Installation Best Practices
Initial Slack Adjustment: When installing the XT348, ensure that the links are correctly "nested" before applying drive tension to avoid jamming.
Sprocket Synchronization: Drive sprockets must be precision-aligned with the I-beam to prevent the heavy duty conveyor chain from climbing the sprocket teeth.
Lubrication Points: Apply high-temperature synthetic oil at the articulating joints of the XT348 links 5 meters prior to entering the oven to ensure consistent lubrication.
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