Honlite D29 series DC motor uses high speed (up to 12000rpm/ min), through the rotation of the blade, forming a strong cutting effect, can be very good at grinding coffee beans into powder. D29 permanent magnet DC motor, can match 24v-240v DC/AC power supply, converted into DC power supply, the use of DC high speed, large torque, so as to achieve strong cutting effect. D29 series permanent magnet DC motor, with high speed, large torque, low cost, mass production and rapid production, can cooperate with well-known coffee machine brands for customized production. The motor can also be fitted with a planetary gearbox for greater torque and is used to grind hard objects such as coffee beans.