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Advantages and Classification of Direct Drive Motors

Date: 2018-12-25
Views: 2

First, what is a direct drive motor?

Direct drive motor is a kind of direct drive motor which can directly convert electric energy into motion mechanical energy without any intermediate conversion mechanism and directly drive load. This kind of motor adopts 'direct drive technology'.

2. Advantages of Direct Drive Motor

1. Direct drive. The rigid connection between the motor and the driven workpiece directly avoids the problems of reverse clearance, inertia, friction and insufficient rigidity in the transmission system of the transmission screw, without the intermediate links such as screw, gear, reducer and so on.

2. High speed. The normal peak speed of linear motor can reach 5-10m/s; the traditional ball screw, whose speed is generally limited to 1m/s, produces higher wear.

3. High acceleration. Because there is no contact friction between the stator and the rotor, linear motor can achieve higher acceleration; larger linear motor can achieve acceleration of 3-5g, smaller linear motor can achieve more than 30-50g (wire welder); usually DDR is used for high acceleration, DDL is used for high speed and high acceleration.

4. High accuracy. Because of the direct drive technology, the error caused by the intermediate mechanical transmission system is greatly reduced. By using high precision grating detection for position positioning, the system accuracy can be improved, and the repetitive positioning accuracy can be less than 1um, which can meet the application of ultra-precision occasions.

5. Wide range of motion speed. The speed of linear motor can reach 1um/s at the lowest speed and 10m/s at the highest speed to meet the needs of various occasions.

6. Low noise, simple structure, low maintenance cost, dust-free environment and so on.

Classification of Direct Drive Motors

Direct drive motors are mainly divided into linear motor (linear motor), voice coil motor and moment motor (DD motor).

Tongmao Electric Machinery has been specializing in the research and development of linear motor and voice coil motor for 10 years. According to the market demand, it has recently launched the Torque Motor (DD motor). As a professional manufacturer of direct drive motor, Tongmao Electric Machinery is committed to providing customers with appropriate linear movement and high precision linear positioning solutions, significantly improving the power performance of customers'machines and reducing the purchase cost of customers. For more direct drive motor information, please visit Tongmao Electric Machinery's official website.

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