1. Measurement of action interval; When the action piece approaches the sensing surface of the switch from the front, the interval between the action of the switch is the interval between the action of the switch, and the measured data should be within the parameters of the product.
2. Determination of the release interval; When the action piece is separated from the sensing surface of the adjacent switch from the front, and the switch is turned from action to release, the interval between the action piece and the sensing surface is determined.
3. Determination of the return difference H; The value of the difference between the action interval and the release interval.
4. Action frequency measurement; Drive the bakelite disc with a speed-regulating motor, fix a number of steel sheets on the disc, adjust the interval between the switch sensing surface and the action piece, about 80% of the switch action interval, rotate the disc, make the action piece close to the switch in turn, install a speed measuring device on the disc spindle, and the switch output signal is shaped and connected to the digital frequency meter. At this time, the motor is started, and the speed is gradually increased, and the action frequency of the switch can be directly read out by the frequency meter under the condition that the product of the speed and the action piece is equal to the frequency count.
5. Repeatability determination; The action piece is fixed on the measuring tool, and the movement speed of the action area approaching the switch from the front of the switch sensing surface is controlled at 0, 1mm/s by 120% of the switch action interval. When the switch is in action, the reading on the gage is read out, and then the action zone is exited to disconnect the switch. Repeat this 10 times, and then calculate the difference between the value of the 10 measured values and the small value and the average value of 10 times, and the large difference is the repeatability error.
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1. Look at it visually.
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