Wikipedia defines a vacuum pump as a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The first vacuum pump was invented in 1650 by Otto von Guericke and the rest they say is history!! Vacuum pumps are used in many industrial and scientific processes, it may be used to power and provide assistance to mechanical devices and many others. The DIY vacuum pump can be made easily using basic things that are easily available at home.
DIY vacuum pump
- 50ml/100ml plastic syringe
- super glue
- a small piece of rubber sheet/ rubber balloon
- 2 glass tubes (outer diameter 6mm, length 5 cm)
- a small rubber band for attachment A (NO.7)
- a big rubber bung for attachment B (NO.11)
- 2 plastic tubes (internal diameter 6mm, length 1 m)
- Using a heated soldering iron, make a small hole make a hole with a diameter of 3-5 mm on the head of the handmade vacuum pump dia 2e syringe.
- Cut out an inlet valve and an outlet valve from rubber sheet/ rubber balloon and paste the first one to inside of the syringe and the second to outside of the syringe using super glue as shown in Fig.2.
- Check the workings of these valves by moving the piston of the syringe in and out.
- (Making attachment A) Make a hole of 5 mm at the center of the small rubber bung using a cork borer, push the glass tube through the hole and put the plastic tube to it as shown in Fig.3.
- (Making attachment B) Make a hole of 5 mm at the center of the big rubber bung using a cork borer, make a hollow around the hole, push the glass tube through the hole and put the plastic tube to it.
- Put one end of the plastic tube of an attachment (A or B) to the projection of the syringe.
This DIY vacuum pump makes it easy to understand the scientific principle behind its working.The vacuum pump has evolved into a major necessity for the progressive lifestyle. Not only is the vacuum pump used in the processing of semiconductors, the amenities that come with most of the high-priced vehicles of today–including power brakes and cruise control–run off of power created by a vacuum pump. Just as important, it is used to make the vacuum tubes that work in microwaves and the cathode ray tubes that still power older televisions.
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