Synchronous belt S8M 8YU and HTD8M what is the difference?

S8M synchronous belt and 8YU synchronous belt, all belong to the semi-circular arc tooth synchronous belt, suitable for high-speed transmission, high torque, generally used in medical equipment, such synchronous belt is generally produced more foreign countries, such as: 8YU of the U.S. Gates GATES, S8M of the Japanese Samsung

8M synchronous pulley belongs to the full arc tooth synchronous belt, the arc tooth synchronous belt transmission drive with high precision, low noise, the domestic Many brands are available, such as: Voltron, Jaguar, etc., imported by the United States Gates GATES, Japan Samsung, Hanto BANDO, Germany Obi, etc..