Hydraulic press model
Gelsonlab HSPD-118 Hydraulic Press mode for Educational use
The principle of exploring the model of hydraulic machine in teaching.
Made of transparent organic glass and stainless steel parts, which is composed of water tank, small piston cylinder, large piston cylinder, pressure platform and cutting knife. Small piston diameter 16mm, moving distance 80mm; large piston diameter 56mm, moving distance greater than 50mm; water tank volume 500ml. Total size of about 200*130*300mm.
During the experiment, the hydraulic press model at the bottom, to pull the small piston, the water tank is pumped into the small piston cylinder, then press down the small piston, visible water into the large piston cylinder and the piston to move upwards; continue to use small piston pump, the piston continues to put on, until from the large piston bearing platform on the top of the wire is cut off.
Because of Pascal's law of liquid transfer equal pressure in all directions, high pressure and small piston piston and piston radius is equal, the small piston radius of 28/8=3.5 times, the high pressure generated by the piston is 12.25 times more than the pressure in the small piston on the piston, if small pressure 20N, pressure station produces 12.25 times pressure 245N. With the cutting edge of the copper wire part is very small, the pressure of the pressure table, the edge of the blade on the pressure of the copper wire has been magnified hundreds of times, so the experiment, the edge of the copper wire is increased pressure to cut off the table.
Thus, Pascal's law can be made which produce 100 tons, tons, million tons, hundreds of thousands of tons of pressure level of hydraulic machine, hydraulic machine, and various types of equipment used in the manufacturing industry.
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