1. The overall planning is fair, because the electric wrench is manually operated,? Therefore, it is necessary to consider reducing the volume and weight of wrench in planning. For this reason,? The stepping motor with small volume, convenient torque wrench and easy control of torque and speed is selected as the power equipment. The reduction equipment adopts the planetary gear organization with compact structure and large transmission ratio.
2. The wonder of sensor planning
The design of torque sensor is very important to the function of electric wrench. Since the wrench head is rotating, the strain gauge cannot be directly pasted on it, otherwise the wire will be wound on the wrench head and broken. If other rotating shaft torque sensors are selected, the wrench is too large, high cost and low precision.
3. The scientificity of the principle of homework
The electric wrench is mainly composed of microcomputer control system, stepping motor, two-stage planetary gear organization, shell, torque sensor and wrench head. When the stepping motor moves, the intermediate wheel moves to drive the high-speed planetary gear organization. The other intermediate wheel (ring gear) of the organization is fixed with the shell, and the torque is transmitted to the intermediate wheel of the low-speed planetary gear organization by the tie rod. The other intermediate wheel (ring gear) of the organization is connected with the sensor and fixed on the shell through the sensor.
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The above is the detailed introduction of the electric wrench for torsion and shear. I hope it will be helpful to you If you have any questions, please contact us We will provide you with professional service http://www.no2design.com