29 / 03 / 2019 | Videos

Making double acting cylinder with double piston rod



Another construction of the make it extreme team is here to be admired by the fans of hydraulics. Even if we have made many hydraulic pistons in many of our costructions, this time we have made a piston which has something different.

While the rod at the common pistons exerts and moves from the one side of the cylinder,  the rod of this piston moves in both sides of the cylinder. The particularity of this piston benefits its uses and its applications.

The piston that we made has inner diameter of 30mm. In both sides we placed the component, from which the rod passes through and we stuck the piston at the center of the one-piece rod. In this way, the piston is able to function from both sides.

To sum up, it was a very pleasant and handy construction that certainly will be used in one of our future constructions!

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15 / 03 / 2019 | Videos

Making HYDRAULIC hand pump



The make it extreme has shown its passion for the hydraulic systems through the various constructions that it made as most of our projects have been made with them. This time, we have decided to make a manual, hydraulic pump, which can be used to transmit the oil with pressure to the various tools that we make. 

The manual, hydraulic pump is a construction which through it the human strength is turned into pressure. The pump that we made has the potential to reach the 300 bars or in other words the 4350 psi. The exciting part of this project is that we used very few already-made accessories and this exceeds the pleasure that we get during its making.

In order to pump and push the oil, our construction needs to use a small piston that the human can open and close by using a lever. The lever multiplies the power that is exerted on the piston and that is basically our pump. The small size of the piston needs lower power to be moved compared to a bigger in diameter piston of the equal pressure. By using this piston and two one-way valves, our pump has been completed.

When the piston is lifted up, the oil passes through a cylinder but when the piston declines then the oil is necessarily exited from the one of the two valves without being able to return. In this way, when the lever goes up and down, the piston pumps the oil and transfers it to a particular exit that is used to move our hydraulic machines and tools. However, to resend the oil to the tank of the pump and to control the decrease of the pressure that we exert, we use a regulator valve.

Even though, it seems a simple construction to make, it has many challenges and it is incredibly handy. Some of its advantages are that its silent, user-friendly, portable, has a great power of pressure, it is small in size and safe to be used. We can’t describe how happy we are for the amazing function of our construction 0092 and of course we are also pleased with the design that we made!

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08 / 03 / 2019 | Videos

Chain Saw to concrete groove cutter



Construction number 0091 is a very convenient tool for the constructive industry. This tool can make two canals simultaneously on the walls of a house and then the material used for it can be removed easily between the two canals to place the piping and many other things. Another very good use of it is the opening of the canal on a concrete to be able to put the metallic clew for sliding doors, the cutting of the stone as well as of the iron. In simple words, our construction is a chain saw hack.

Firstly, we took a tree-cutting machine and we removed the chain that cuts the wood to place a small gear for a chain of motion transmission. Next, we made a metallic framework, which on its edge there is an axis that spins in two bearings and at its centre the prementioned chain passes through. Thus, when the tree-cutting machine rotates then the axis spins too.

In each of the axis’ edge, a disk is inserted in a distance of 10cm. Then, we made the threads of the axis counter clockwise so that when the disks find resistance, they won’t be able to unscrew and slacken. After that, we took two protective covers from an angle grinder and we placed them in order to use the tool with safety. 

At the beginning, we were quite hesitated regarding the fact how efficient this tool would be but after using it we got impressed by its accurate, fast and functional cutting. Also, a huge advantage of it is that it is portable so it enables you to transfer it even to places where there is no electricity. Changing the disks and placing a disk for cutting metals it  easily enables you to cut metallic objects, too.

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22 / 02 / 2019 | Videos

Engine driven hydraulic power unit



Most of the machines that we make are hydraulic as this kind of systems have great power and multiple applications. We have been using our tools in the shop as the hydraulic unit that we use is electric. Therefore, in places where there is no electricity, our hydraulic unit cannot be used. For this reason, we created a petrol-powered, hydraulic unit, which is capable to move our hydraulic machines not only inside the shop but also outside of it.

Firstly, we took a petrol-powered engine from a mowing machine and used some pulleys in order to connect a hydraulic pump on the engine. Then, we made an oil tank, from which the oil is derived and taken by the pump to send it where it is needed through a controller. Thus, we placed a manual controller. 

To sum up, this construction is very useful because it can move tools that enable the user to cut and drill various materials and lift big loads to spots that are electrically inaccessible. Although, this construction is easy to be made, it is very interesting and it has great usefulness.
















 
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31 / 01 / 2019 | Videos

Making hydraulic cutter and spreader



Inspired by the fire fighters' tools, we decided to make a hydraulic cutter, which will help us to our constructions. Most of us have already used scissors of cutting metal that is moved by the strength of hands.

It is a good tool but after using it for many hours it can be painful and tiring. Thus, we took the hard jaws from a hand scissors and we adapted it to a hydraulic piston.

Initially, we made a 50mm piston. We put a metallic piece on the piston and on this piece we adjusted  blades that are connected with the jaws of the scissors. As the piston is moving the blades are functioning as levers that open and close the scissors. The scissors that we used, it can be used for cutting metals of up to 12mm thickness. We could cut thicker metals  if we used bigger scissors.

Additionally, we made two calipers, which are placed on the same piston and they open and close from 0 to 25cm. This tool has multiple uses depending on the user's imagination. For example, it can lift a machine, pull out a wooden ballet, open a door etc.

To sum up, using this tool, we found it more comfortable and handy than we primarily thought. Therefore, at the 0089 place of the make it extreme's collection of constructions is owned by this amazing tool.

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