Making a Ball Mill

31 March, 2018 | Videos


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.

Get access to the downloadable Plans for our projectshttp://bit.ly/MIEplan


















 

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