09 / 06 / 2018 | Videos

Making a Monowheel



The making of every handmade motorbike has been always an exciting project, imagine in this case referring to a monowheel. The monowheel is a machine that has only one wheel and the driver sits inside it. The wheel is leaded by other smaller wheels and it is moved by the machine through a rubber wheel, which is connected with the main wheel. 

Firstly, we started our structure by making a big, metallic wheel with 130cm diameter using a tube of 40mm diameter. Then, we lined the metallic wheel with a rubber in order to achieve having the benefits that all the tyres have on the street. Also, due to the fact that the wheel is big in size, we took 4 tyres from small motorbikes and we cut them as well as we glued the one with the other in order to form a tyre. 

Afterwards, we made 3 wheels with a bearing using Teflon PTFE and on which the big wheel rolls. These three wheels were attached with the inside part of the wheel on a framework. On this framework, another machine 110cc 4 stroke was placed. This machine using a chain, enables a rubber wheel to move so this wheel enables the big wheel to move as well. Therefore, the rider sits inside the wheel.

Despite all the difficulties and challenges that we faced making this structure, it was still an incredible and exciting project to complete. The monowheels are very unstable in low speed but very stable in speeds over 30km. Concluding, the feeling that the driver gets while driving it is very unusual as we have never driven such a vehicle in our lives before. We are unbelievably happy making and owning a functional monowheel from now on.

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12 / 05 / 2018 | Videos

Make it Extreme's vibratory tumbler



Our need for removing the rust as well as the finishing touch in various little pieces which we use in our constructions led us to our new construction with the number 0082. This is a construction which constitutes a pot that vibrates, in which there are hard rocks in various sizes ranging from 0,2mm to 15mm and the pieces that we want to clean from the rust. 

While our construction vibrates, the pieces spin and move as a result the dust is removed. Initially, we cut an old, plastic filter from a pool and we shaped our pot. Next, we stabilised the pot on a metallic, circular flange of 40cm diameter. At the centre of the flange, we put a bearing. Then, we placed the flange on 6 springs, which are connected from their top surface with the flange and the pot attached to it and their bottom part is connected with another flange of the same size, which also has a bearing in its central point. Additionally, the final flange was welded on a metallic framework that we made by square tubes 20x20x2mm. 

The central point of the flanges is connected with an axis, which has a 2,7mm cam engine on its top surface. Therefore, when the axis spins the upper-sided flange and the pot with the items placed in it for cleaning are moved horizontally on the springs. 

Moreover, an electrical motor 1,25hp 4800rpm was attached to the axis with a belt regulating the volts that are provided to the motor and by a voltage regulator, we choose the spins that we give to the axis and to our pot.

In the end, we made an experimental effort putting various stones that we had collected and many rusty items and we activated our machine for two hours. The results were amazing. We couldn’t believe to our eyes as these items that we used were hard to be cleaned but they were totally clean a few hours later. The ‘Vibratory tumbler’ that we made is big enough as its pot can fit 100lt. We believe that using special stones and functioning it more, we will have even better results.

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28 / 04 / 2018 | Videos

Make it extreme's english wheel


This time’s creation is generally a simple machine in the field of metallurgy but it is necessary for processing aluminium and iron sheets. The particular machine is used to shape the metal sheets moulding the metal and shrinking some of its parts by pressing two metallic wheels. The making of this particular machine has not been generally changed for many years now. We mainly have a metallic shape like the letter ‘C’ which has two metallic wheels in its two sides. The wheel on the top is straight while the wheel at the bottom is called anvil wheel and it is chosen and changed according to the declination that we want to have on our sheet metal. 

To save money, we chose a difficult way of making our machine as we bended a metallic beam upn 16cm wide, 6.5 cm tall and 390 cm long in the shape of ‘C’. On the top surface of the ‘C’, we put a wheel made by stainless steel of 8cm width and 20cm diameter. 

On this wheel, we placed two ball bearings that enable the wheel to roll smoothly and comfortably. On the  bottom surface of the ‘C’, we made a basis, on which the anvil wheels are located and these wheels are going up and down supported by a screw that we made on the lathe and it spins with a wheel. This wheel regulates the pressure exerted on the metal sheet that we use to process between the two wheels. 

To conclude, our machine is 220cm tall and it can easily process even big pieces. Also, we put the ‘C’ on a stable basis in order to have a good and stable support avoiding any vibrations. It is with great pleasure that we made this machine as now, we are able to make pieces for machines, cars and generally many pieces that we could not make before having it. In this way, the structure with the number 0081 has been successfully completed.

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07 / 04 / 2018 | Videos

Angle Grinder Hack 7



This time we came up with just a simple, cheap and pleasant creation to add another video in our collection of the category of angle grinder hacks. Our angle grinder with the number 0080 can be converted into a belt grinder and belt sander. There is no need to use any specialized machines to make this structure, it has been made just to please some people who either they do not have any special equipment or they just want to make an easy and not time consuming gadget providing them with fun making it.

Firstly, we started our structure making a wheel with diameter 50mm and 60mm width using a piece of a tube that is used on a structure of hydraulic pistons. The reason that we used this particular kind of tube is because it has greater accuracy compared to a regular one. Also, it is thicker and this allows us to make the proper corrections and to improve the normal spinning of this metallic wheel in case it occurs some eccentric rotation. 

In addition, we welded a screw taken by an old angle grinder with a fold of 14m to be screwed on the axis of the angle grinder without risking it to be disconnected during its function. This is how we created the motivational power that urges the glass paper belt to spin. 

Also, on the angle grinder we fixed a metallic base that is stabilized by a screw where the handle of the angle grinder is placed and by putting another screw, the metallic base holds tightly the point, where the bumper of the angle grinder is located. Thus, we made a secure hold on the added tool. On this basis, we also made a metallic fork that is able to move 2cm backwards in order to enable the glass paper belt to be placed. This fork can be also pushed forward using a spring. At the front side of the fork, we put a wheel taken by a small skateboard. We used this wheel because of its ideal shape and because it is a component that is easy to find.
However, its only disadvantage compared to an aluminium wheel is that it is less tolerant to the loads as well as to the high temperatures that occur. 

Placing the belt on the two wheels and activating the angle grinder, the belt spins in high speed giving us the opportunity to rub the objects that we want on it. Moreover, we made a basis on which our machine remains stable on the workbench making it usable and portable. Also, we made a basis on which we place all the material that we use for our work in order to be able to process them with a great convenience. 

Finally, changing position of our machine in relation to the angle grinder, it is converted from a belt grinder into a portable, belt sander for narrow points. While spending our time pleasantly, we created a structure for fun mostly which also has amazing capabilities.

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31 / 03 / 2018 | Videos

Making a Ball Mill



The milling of the materials is a very useful procedure in various domains in life as well as in the constructive domain. The uses of milling materials are very important for various products and projects. For example, some of them are the fireworks, the cold castings, the milling of colours, the raw materials for making a concrete surface, the milling of glass during the procedure of glass blasting and many other uses. Therefore, we decided to make our own machine according to our needs for our own use in future constructions.

Ball mill is a machine, which usually has a cylindrical tank, in which some marbles are placed that when they collide with the material that is mixed with them for milling; crash it and destroy it. The marbles that are used can be made of steel, stainless steel, rubber ceramics or other materials. In this case, we used iron balls with dimensions 15mm, 20mm and 25mm.

Regarding the tank, we used an old, fire extinguisher, on which we put a door, where the marbles and all the materials for milling are placed. Also, to manage the rotation of the tank and the crash of the marbles, we used a motor DC 1,5 hp which was attached to a spin reducer 1/20, meaning that in every 20 spins of the motor the reducer will be rotated completely as well as the tank and the marbles will be also rotated completely. This results to the reduction of the spins and to the increase of the torque, therefore it gives the potentiality to the heavy marbles to be rotated with all the materials used for milling managing the proper, full rotations. 

In addition, for the full adjustment of the spins, the motor was connected with a volt regulator, which controls the spins of the motor from 0 till its highest speed in order to choose the right spin of the bucket according to the material that we used to mill. The structure of our machine is constituted with square tubes 50x30x2mm and its width is 70cm with 110cm length and 70cm height.

As in every making of a machine made by the ‘make it extreme’ team, we used the indicative colours of green and black and in this one, too with the number 0079. At the first trial, we put some filings of aluminium that after three hours of milling in our machine, we removed them from its bucket with the form of dust. Finally, as you will see in our video, we have not showed the milling of any other materials as the time for making the video was limited. At this point, another machine made by our team was completed.

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