Manufacturing method for asymmetric ripple pressure transmission assembly
A manufacturing method and asymmetric technology, applied in the direction of elastic deformation meter type fluid pressure measurement, etc., can solve the problems of insufficient response range of the sensor, change of sensor output, inability to output full scale, etc. The effect of reducing the force and ensuring the displacement
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[0007] Corrugated diaphragm forming. The outer circle diameter is 66mm, the wave diameter is 60mm, and the diaphragm thickness is 0.08mm. The molding pressure is 35MPa±100KPa, and the holding time is 30 seconds.
[0008] The base is processed, and the corrugation profile of the spherical crown base is less than 0.008mm.
[0009] The corrugated diaphragm and the base are precisely positioned and laser-welded to form a pressure transmission component, and the weld seam is 1.5±0.5mm away from the corrugated position of the diaphragm. The coaxiality between the diaphragm and the base is less than 0.05mm.
[0010] Helium mass spectrometry leak detection, required leak rate 1X10 -9 Ensure welding air tightness.
[0011] For the pressure and displacement test, add a pressure of 2KPa to measure the change of the center displacement of the diaphragm on the component, and the center displacement reaches 0.7±0.1mm.
[0012] It should be emphasized that the above are only preferred e...
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