cam operated hammer application
#1

Pls give me synopsis on topic cam operated hammering machine
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#2
he Cam Hammer
Leonardo da Vinci’s Cam Hammer

Leonardo’s invention the cam hammer is another example of thinking centuries ahead of his time. This machine would be used extensively several hundreds of years after his death during the industrial revolution. They would be powered by Steam engine and could hammer at up to twenty times per second. They were used to draw out the sheet metal for ships and armored machines for war such as the tanks in world war 1.
Below is his original drawing for the cam hammer –
leonardo da vinci inventions - the cam hammer
leonardo da vinci inventions - the cam hammer
As you can see it was intended to be hand cranked. This would rotate the cam upon which the hammer mechanisms rests and follows. When the cam is rotated the weight of the hammer ensures that the bar connected to it always wants to be tight up against it due to the force of gravity. Eventually the hammer and its mechanism follow to cam all the way around until the cam suddenly drops off – this makes the hammer fall also. Below is an animation sowing the cam hammer in action –


Hammers like these would continue to be in use until the early 20th century where they were replaced by rolling mills, these were much more powerful and efficient at rolling sheet metal down to its desired dimensions, they rely on the brute force that can be utilized with today’s modern machinery using hydraulics.
more refrence:http://leonardodavincisinventionsmechanical-inventions/leonardo-da-vincis-cam-hammer/
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#3
Introduction and literature review of cam operated hammer and bending machine.
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#4
Operate the cam hammer machine, electric motor, which is having 1440 rpm with operating voltage & nbsp; Of 250V A.C. In a phase with continuous classification. It horse power is 0.5 is used to turn the camshaft on which the cam couple is installed. As the camshaft and the cam rotate, it raises the follower plate along with it during its rise period.


The follower plate that is installed on the spindle shaft raises the ram along with it. As the cam reaches its maximum height, its descent from the fall period suddenly begins to lose its contact with the follower plate and the ram suddenly comes down with an impact on the table plate. The work together with the required matrix is held on the table is exerted with the impact load deforming it to the desired shape.

The increase of the cam and the follower and the rigidity of the retention determines the intensity of the impact exerted on the work. If the speed of the cam operation increases the molecules of the work-component material do not find time to retain and this will help in obtaining the shape and size deformed due to the easy recovery of the plastic phase rather the elastic stage . Therefore, the rpm, ie the speed of operation of the cam plays a vital role in the forging operation. As spring stiffness increases, the intensity of the impact load also increases.

[Image: cam%2Boperated%2Bbending%2Bmachine.png]

The advancing cam hammer is a device that can be used for multi-purpose operations either automatically or manually. It is mainly used for the hammering of the workpiece. This hammer driven by advance cam is very essential to do the number of such operations as grinding, riveting, hammering the largest workpiece and cutting the metal. It can also be used for different purposes such as drilling, forging, bending, etc. As in the forging industry, the temperature of the forging operation is much higher and it is very difficult to do manual hammering on the forging metal or hand and also there is always a risk during the handling of this type of metals Base high temperature or wok piece. Therefore, the cam-driven hammer accelerates these types of problems in the industry.
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#5
please send me cam operated on hammer bending machine on sheet metal report of results and discussions of various operations such as bending punching piercing
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#6
please send me cam operated on hammer bending machine on sheet metal report of results and discussions of various operations such as bending punching piercing to this mail praveen00028[at]gmail.com
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