How to make a mini excavator with your own hands

At all times, the tools and equipment that used to combine different functionalities were quite popular. This trend also applies to the technology that is used in its suburban area. In the market of the corresponding goods it is possible to meet mini-tractors and motoblocks. Each model has different attachments. All this allows us to carry out communal and agricultural work. Manufacturers of attachments miss one important operation, which is required from time to time in the process of housekeeping. Here you can include all kinds of earthworks. In the market it is rather difficult to find additional attachments for tractors and motor blocks, which would help in the implementation of earthworks. Of course, you can buy a mini excavator, but its cost can exceed $ 7,000. It is quite easy to make a mini excavator with your own hands, for this you will only need to stock up a certain set of tools and materials. To manufacture the mentioned equipment on the basis of an internal combustion engine or a motor block, it will be necessary to stockpile the metalworking equipment, welding and locksmith tools.

Technology of work

If you need a trench, for example, for a foundation, you can do with a shovel, but carrying out such work involves spending a lot of time, but with the use of an excavator, you can complete such manipulations in only 30 minutes. In order to make a mini excavator with your own hands, you will need to implement three stages, the first of which is preparation, the second stage is manufacturing, and the final stage will involve the need for assembly.

Preparatory work

Initially, it will be necessary to determine, on the basis of what and on what technology a self-made excavator will be manufactured. If there is a mini-tractor or a motoblock, then it's best to make a production with a fastener, so you will have to follow the technique that is used to fix the snow-removal equipment. If there is an engine from the old car, then the mini-excavator with their own hands can be made by creating a chassis of a tractor, adapted for excavation.

Let's start to make

The frame will be based on the channel, which has a size of 8 or 10. Elements will be connected together by welding. To this system a beam from an automobile trailer or a second-hand machine is fixed. In this case, the workpiece will need to strip the springs and springs. As an alternative solution is the use of a self-made axis. When a mini excavator is made by hand, the axle is mounted on the wheels. On this we can assume that the self-propelled chassis is ready. The entire volume of the channel, considering the manipulator and brackets, will require 12 meters of material.

Methods of work

If you will make a mini excavator with your own hands, you can easily draw up the drawings of this equipment yourself or borrow from the article. The manipulator is recommended to make a two-knee, this will allow to obtain a simpler design. Manufacturing is best done from welded channels that join together. As a result, you should get a rectangular profile, to which the brackets made of metal are fixed. Their thickness should be 10 millimeters. Among the remaining units of the construction, it is possible to distinguish brackets, hydraulic cylinders, fingers and movement mechanisms. During the manufacturing process, it will be necessary to use milling, drilling and turning tools. You can make some parts, for example, a bucket, yourself or buy it in the finished form.

Equipping the excavator with hydraulic equipment

If you decide to make a self-made mini excavator with your own hands, it is important to think about hydraulic equipment, in this matter the master will have a wide choice. The heart of the hydraulic system is the oil pump of the type NSh-10. The NSh-32, as well as the NSh-150 are also popular. If it is a question of the latest model, then it is recommended to use it exclusively in a new form. Cylinders for the functioning of the bucket and manipulator can be of the former use, hydrocylinders for lifting the cab, which are borrowed from KAMAZ or MAZ, will perfectly fit. If you make self-made mini excavators, you can buy new cylinders, based on the dimensions of 63 x 40 x 500. Per unit of such goods will have to pay about $ 100. For control it is preferable to use a hydraulic distributor of the mark RGS 253-x or MRS 70.4. These elements must have three or four sections. If you can not find the data additions that have already been in operation, then you will need to prepare $ 150 for their purchase.

Installation work

Make a mini excavator by yourself is quite simple. In the next step, you can proceed with assembling the structure on the chassis. Through the rubber coupling or the connecting shaft, the power take-off shaft of the motor block must be connected, as well as the oil pump of the hydraulic system. All hydraulic equipment must be connected together by means of rubber sleeves of impressive pressure. At the final stage, the finished products should be painted to prevent corrosion.

Manufacturing of additional parts

If you decide to make a trailed mini excavator with your own hands, then some parts of the boom can be made using pipes with a square section with a side of 80 millimeters. You can use sheet metal for this purpose, which should have a thickness in the range from 6 to 8 millimeters. From it, first the workpieces are bent, which are bent, and then welded together. If it is intended to make the bucket on its own, then it is necessary to use the metal of the above thickness for it. In order to strengthen the design, it is necessary to weld the belt in the upper part. Among other things, longitudinal ribs should be strengthened. In order to ensure efficient operation of the bucket, it must be equipped with canines, which are made of high-quality steel. As a second option is often used fingers, borrowed from tractor caterpillars.