Treatment of the uncontrolled situation of the beam of the tensile testing machine
After the brush is replaced, the motor is mounted in place. When the machine was tested, the beam was out of control. The feedback signal of the measuring beam is zero. The reason for the analysis is that when the motor is installed in position, the feedback speed measuring device is not fully meshed with the gear, resulting in no feedback signal, causing the beam to be out of control. After reinstallation, the tensile tester returned to normal.
Insurance fuse processing
When a new power amplifier is replaced, the main fuse blows in the power amplifier. The reason for the analysis is that the main fuse is blown in the power amplifier when the beam is moved at a high speed. The reason for the analysis is that when the beam is selected to move at a high speed, the tensile test opportunity is self-locking and the beam cannot move. However, the power supply to the tensile testing machine has not been cut off. Since the power amplifier does not have a normal output, it always supplies power to the power supply of the power amplifier, so that the filtering and voltage stabilizing capacitors in the power supply section are always charged. Discharge.
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