CNC pneumatic autofeed punching machine | Mechanical project

Introduction: 

The Fluid Power systems include Pneumatics and hydraulics that have gained a large amount of importance in day to day life. This is due to the importance of their accuracy and cost criteria’s. Due to this consideration and convenience in operating the CNC pneumatic system has made us design and fabricate this project. The CNC pneumatic auto feed punching machine can be operated with the help of semi-skilled labour. This machine can be operated with low pressure. This system uses the punch and Die attachment, where the die is fixed and used based upon the required shape and can be used according to the requirement. The press is the punching machine tool designed to punch by pressure with the help of a computer. These presses are intended for mass production. These presses are introduced in Pneumatic System. The basic function of the machine is to form or cut thin sheet metals or non metals using the pneumatic power through computer source.

Working Principle: 

The pressurized air from the compressor at 5 to 7 bar is passed through a pipe which is connected to a solenoid valve with two outputs and one input. This valve is actuated with the help of a computer. When the air entering into the input goes out through the outputs when actuated by computer signal. Due to high pressurized air, the piston moves upwards and this force acting is passed on to the punch which moves downwards and cuts or forms the sheet metal. The punch is guided by the punch guide which is fixed. The sheet metal is placed between the die and punch. When the piston is at an extreme point of stock length, the exhaust valve is opened and the air is exhausted through it and the air come in at top of the piston and pushes the piston downwards. So one side of air is lifted upwards and the other is pulled downwards. This process continues when the material is placed correctly and automatically actuates. The time duration of the succeeding punching is adjusted with the help of computer signals.

Advantages: 

• Semi-skilled operators are required.
• Thin foils to metal sheets can be pierced according to the desired shape.
• Economical and simple designs.
• Current carrying cables are not required.
• More outputs with fewer efforts.

Disadvantages: 

• Thick and hard materials cannot be punched.
• Stoke length of piston is fixed.
• Maintenance will be more due to motion of parts.

Applications: 

• Used in medical and pharmaceutical industries. 
• Mainly uses to process profile holes in flat strips.
• Used in packaging and construction industries.
• Used to make punch marks. 

Covid-19 related mechanical project ideas | Corona related product ideas

COVID-19 Important instruction: 

COVID-19 full form is Corona Virus Disease 2019 is an infectious disease caused by the severe acute respiratory syndrome SARS-COV-2 called Corona Virus 2. COVID-19 firstly identified in December 2019 in Wuhan city of China and after that it spread globally, resulting in ongoing pandemic for worldwide. The symptoms of COVID-19 is fever, cough, fatigue, shortness of breath, and loss of smell and taste. The virus spreads mainly through close contact between individuals via tiny droplets produced by coughing, sneezing, and talking. The droplet usually falls to the ground or onto any nearby surfaces rather than travelling through the air. People may become infected by touching the COVID-19 exposed surfaces and touching their faces. 

STAY HOME, STAY SAFE

Preventive measures against COVID-19: 

• Frequently washing hands
• Frequent use of sanitizer when you touch any surface outside. 
• Maintain social distance. 
• Home quarantine especially those who have some mild symptoms. 
• Keeping unwashed hand away form nose, and face. 
• If possible avoid going out

Mechanical Project Ideas for Students: 

1. Foot-operated sanitizer dispenser  

The purpose of this invention in pandemic time is to control the spread of coronavirus from an infected person to others while using the same sanitizer bottle. This is mainly designed for highly populated places such as a business hub, Hospitals, Office, Companies, Banks and other public places. 

With this device, the person used sensitizer without touching the bottle. A person presses the pedal with the foot and the bottle would dispense the liquid. 

In these devices, different size of sanitizer bottle can be used range up to 250 ml to 1 litre. 

2. Mechanical lead screw operated ventilator: 

The COVID-19 pandemic has produced critical shortages of ventilator worldwide. A mechanical ventilator is a system that delivers mechanical ventilation by pushing breathable air in and out of the lungs that can provide breathing to a patient who is unable to breathe or is difficult to breathe. Modern ventilators are microprocessor-controlled computerised devices, but a simple, hand-operated mask may also be used to ventilate patients. 

This ventilator consists of a tank or compressor for compressible air, supplies of air and oxygen, a series of valves and tubes, and a reusable circuit for patients.

3. Sanitisation disinfection gate: (Sanitisation Booth)

It is one type of tunnel used to reduce bacteria and unwanted viruses from clothes or the outer body of the objects. It can be made up of metal as well as plastic. Stainless steel board, spray nozzle, motion sensor, electrically controlled agricultural sprayer, piping, timer, relay circuit are the key components used for making this setup.

These devices can be used for public places like hospitals, bus stations, railway stations, malls, companies, cinema halls, temples, parks, etc. 

4. Mechanical sanitizer sprayer pump: 

This device can be used for cleaning the home surrounding. The spraying is done by labour carrying backpack type sprayer. This type of sprayer requires more human effort. The main objective of this type of sprayer pump is a modification of agriculture sprayer for sanitising home surrounding frequently without using hands for pumping. 

It consists of bicycle spoked wheel which connected with an oscillating hand pump lever using a chain and sprocket mechanism. 

Thanks for reading an article. If you have any suggestions or any innovative ideas related to projects contact us or comment below.