The SPB180-3-2517 pulley is a fundamental transmission component designed for medium-to-heavy loads and high-impact operating conditions. Compared with the SPA series, the SPB groove profile has a wid...
See Details








The AL-30 clamp-type jaw coupling is built for modern servo motors and precision automation equipment. With its all-aluminum lightweight design and backlash-free clamp mounting, it is an ideal connector for CNC machine tools, precision lasers, and industrial robots to achieve high-frequency response and accurate transmission.
| Item | Specification |
| Model | AL-30 |
| Type | Clamp-type jaw flexible coupling |
| Body material | 6061-T6 aerospace aluminum alloy |
| Surface treatment | Anodizing (silver/black optional) |
| Elastomer material | High-strength polyurethane (92A standard / 98A high-rigidity optional) |
| Rated torque | Approx. 12 N路m (depending on elastomer hardness) |
| Maximum speed | 20,000 rpm |
| Inertia | Very low moment of inertia (suited to servo systems) |
| Machining | CNC one-piece turning, dynamic balancing |
| Suitable conditions | High speed, high-precision positioning, backlash-free forward/reverse transmission |
| Packaging | Individual anti-static bag + export carton |
Shanghai Rentai Transmission Equipment Co., Ltd. is a manufacturer specializing in R&D, production and export of mechanical transmission components. Our main products include taper lock pulleys, taper lock bushes, timing pulleys, V-belts and timing belts. We also provide OEM & ODM custom service for non-standard transmission parts. Our factory covers over 8000 square meters, with more than 100 employees including 22 technical staff. We integrate casting, machining and finishing, equipped with CNC machines and testing instruments, with an annual casting output of 2000 tons. Supported by complete quality management system and international standards, our products are exported to Southeast Asia, Middle East, Europe and America, delivering reliable transmission solutions for global industrial clients.

Industry Experience

Production staff
Annual Production
Factory Area
We are an integrated modern machinery manufacturer specializing in the production of internationally standard pulleys (S...

Pulleys are generally used for power transmission over long distances, so they have a wide range of applications, such a...

Precautions for Installing Welding Platforms When installing the welding platform, place the supporting brackets at the...
