Hansheng Automation (Dongguan) Co., Ltd. is one of the most experienced manufacturers and suppliers of double-sided timing belt in China. If you're going to wholesale bulk cost-effective double-sided timing belt made in China, welcome to get pricelist and quotation from our factory. Also, customized service and OEM&ODM service are available.
Three main technical service areas are offered by Hansheng Automation (Dongguan) Co., ltd: Casting, CNC Machining, and Precision Gear Manufacturing. Some clients would also ask us to provide Double-sided Timing Belt to satisfy their equipment requirements concurrently.
what is Double-sided Timing Belt
Double-sided Timing Belt are industrial transmission belts with double-sided teeth. The double-sided teeth mesh with the pulleys to achieve zero-slip transmission, combining the precision of gear transmission with the flexibility of belt transmission. They feature a nylon surface layer, a fiberglass core, and a rubber/polyurethane composite layer, offering high-temperature resistance, tensile strength, and low noise. They are primarily used for bidirectional synchronous transmission in the textile, machinery, packaging, and robotics industries.
Double-Sided Teeth are made of two materials: rubber and polyurethane. Rubber is primarily made of neoprene, embedded with fiberglass for enhanced strength and tensile strength. Polyurethane (PU) is made of thermoplastic polyurethane, typically with a steel or Kevlar core, offering excellent wear resistance and dimensional stability.
Double-Sided Teeth are also available in two types: DA and DB. The DA type features symmetrical teeth on both sides, with the inner and outer teeth facing each other. The DB type, on the other hand, features a staggered arrangement of teeth, which increases belt flexibility.

What are the advantages of Hansheng Automation Double-sided Timing Belt?
Efficient Space Utilization and Simplified Mechanical Design
Our double-sided tooth design allows a single synchronous belt to simultaneously drive multiple synchronous pulleys and easily achieve reverse transmission. This not only greatly simplifies your drive system structure, but also significantly saves valuable internal equipment space, making your mechanical design more compact and flexible.
High Precision
Utilizing advanced precision manufacturing processes and high-strength composite materials, our double-sided toothed synchronous belts ensure precise meshing and synchronous transmission under high speeds and complex loads. This effectively eliminates slippage, thereby improving overall equipment efficiency.
Improves Installation and Maintenance Efficiency and Reduces Costs
The double-sided symmetrical tooth design means there's no need to distinguish between front and back sides during installation, significantly simplifying the installation process and reducing downtime for equipment assembly or maintenance. Fewer belts also mean fewer maintenance points and lower spare parts inventory costs, saving you time and money from initial installation to ongoing maintenance.
Customer Cases
Our Double-Sided Timing Belt is used by a leading packaging equipment manufacturer in Indonesia. While designing a new high-speed labeling machine, they faced a challenge: how to drive both the main conveyor belt (forward) and the label-smoothing roller (reverse) with a single motor within an extremely compact design, while ensuring absolute synchronization.
Seeking a more efficient and streamlined transmission solution, they turned to us (Hansheng Automation) and sought a perfect solution. Our DA-type double-sided timing belt provided the perfect solution. Utilizing a clever "S"-shaped layout, the inner teeth of the timing belt drive the main conveyor belt while the outer teeth mesh with the roller, effortlessly achieving high-precision reverse synchronous transmission with the same drive source.
difference
| Feature | Double-Sided Synchronous Belt | Single-Sided Synchronous Belt |
| Structure | Teeth on both inner and outer surfaces | Teeth on one surface, flat on the other |
| Transmission Type | Bidirectional, multi-shaft, complex | Unidirectional, simple |
| Key Advantage | Simplifies machine design, saves space | Cost-effective, easy to install |
| Common Use | Automated packaging, printing machinery | General mechanical power transmission |
FAQ
Q: What applications are suitable for double-sided timing belts?
A: Applicable applications include robot joint transmissions, automated production lines (such as precision inspection lines and assembly lines, where a single belt is required to achieve bidirectional "workpiece conveying + timing positioning" functions), and small machining equipment (where the transmission system is compact and there is no space for two sets of unidirectional synchronous belts).
Q: What parameters are required for custom double-sided timing belts?
A: Transmission requirements, such as bidirectional transmission load (e.g., XX N), speed (e.g., XX r/min), oil resistance, high and low temperature resistance, etc.; installation dimensions, such as belt length and width, and the tooth profile (e.g., MXL/XL/T5) and number of teeth of the matching pulley; and other special requirements, such as tooth profile preference (trapezoidal/curved), color, and whether steel wire or Kevlar reinforcement is required (to improve tensile strength).
Q: Are the pulleys of existing equipment compatible with your double-sided timing belts?
A: Yes! Hansheng Automation's double-sided synchronous belts have tooth pitch and tooth height that comply with industry standards (such as GB/T and ISO). Simply provide the tooth profile and number of teeth on your existing pulleys and we can customize a matching timing belt.
Q: What are the temperature and oil resistance of double-sided timing belts?
A: The temperature range is -40°C to +80°C. Regarding oil resistance, standard belts are resistant to common industrial lubricants. For applications involving heavy oils (such as those encountered on machining centers), we can customize special double-sided timing belts.
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