Since the gas storage volume of the gas cylinder is large and does not flow back, the flow rate is small due to the restriction flow when the gas is discharged, and the air pressure is always maintained in the bottle. At this time, the airflow continuously entering the air chamber of the spring vibrator air guide rail is relatively uniform. When the gas that is pressed into the air chamber is relatively uniformly ejected from the small holes of the inclined rails of the two guide rails on the upper side of the air chamber, the formed air cushion 0 is sufficient for the floating vibrator to vibrate left and right. The size of the air pressure must be based on the premise that the vibrator can float, and it is determined by the pressure and frequency of the pedal.
Main points of the device (1) The airtightness should be good (the latex tube of each part should be firm). (2) The airflow direction is not reflowed (the self-made one-way airflow box is installed). (3) The airflow is regulated at a constant speed (maintaining the degree and frequency of pressing the skin). (4) The gas source is sufficient (the skin is not leaking and the gas volume is sufficient).
Directional flow box method: The plexiglass sheet is softened and bent, and bonded into a thick round tube having an outer diameter of <30 mm<40 mm and a length of about 10 mm. One piece of round bottom and one cover plate are made, and the middle hole is <3mm<4mm hole, and the upper one of the round thin tube <7mm<8mm is used as the inlet and outlet ducts. First stick the bottom plate, then place a slightly smaller disc in the middle of the thick round tube, stick 3 short support blocks on the disc, and then stick the cover to make the air flow box.
Operation points (1) Adjust the air cushion guide of the air cushion spring oscillator to the left and right. (2) Clip the gas clip and press the skin to pressurize the gas cylinder at a certain rate. The vibrator floating on the air-cushion rail is manually disengaged from the O-position and then released. When the vibrator can vibrate left and right for more than 5 times, the device is fully available for vibration of the spring vibrator.
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