Straw choppers can be useful on the farm, especially if you are breeding and keeping livestock. You can make such a design yourself, but you can also purchase it in the store. However, the first option will undoubtedly cost significantly less.
How to make a chopper
There are several ways to make self-described equipment. After reviewing them, you can choose the most suitable for you. Straw chopper drawings will help you make the right choice. So, the first version of the manufacture of the grinder involves the use of a drill. The grinding process will resemble the work of a food processor. Here, too, you will need a cylindrical body, which is a simple bucket, in which a well-sharpened knife is located. If you run it in a circle at a considerable speed, then the straw will be cut. In order to perform such a unit, you should use a two-mode drill of the Temp brand, whose power is 850 watts. The knife must be made of hacksawcanvases. The secret lies in the sharpening of the knife. If these manipulations are done correctly, then the straw will not get tangled in the blade.
Such straw choppers must be made by one-sided knife sharpening. It must be placed with the sharpened surface down.
Making a chopper from a vacuum cleaner
If there is no drill available that could be used to make the device, then you can use a Typhoon vacuum cleaner. According to the working principle, this device will not differ from the previous one, but it will look more attractive, in addition, the performance of the unit will be much greater. If, in the above case, the straw is in the bucket where the cutting blade is placed, then now the raw material must be fed through the upper opening, while the finished substrate will exit through the lower opening, which is located in the side of the vacuum cleaner. A do-it-yourself hay chopper, straw must be made in such a way that it is possible to correct the situation in which the straw will be scattered. This can be done by using a protective cover. Of course, such an installation does not look as impressive as a purchased one, but it works perfectly and costs nothing.
Recommendations for work
Straw choppers at home can be made according to the same principle, but using any capacity. You just need to choose the one that hascylindrical shape. It can even be an old pan or a piece of pipe of a suitable diameter. The unit can be equipped with an engine. It is necessary to use one that has a power equal to 180 watts. It is permissible to borrow this from a washing machine that is no longer in use. For the manufacture of knives, you can use an old hacksaw blade, and as racks, you can prepare a rectangular profile, the dimensions of which are 15 x 15 mm.
Mounting the components of the unit
When making straw choppers, it is also necessary to prepare a sleeve, which must have a height equivalent to 40 mm. On this element it is necessary to fix the knives. The sleeve can be prepared on a lathe.
The engine, from which the pulley should first be removed, should be fixed to the container on the studs, positioned from below. In order to fix the knives, it is necessary to use plumbing nuts, the diameter of which is 32 mm. In the process of manufacturing bushings, it is necessary to cut the thread in advance to install the nuts. We should not forget about the hole for the motor shaft.
To ensure a strong mount on the shaft, 2 holes should be made in the sleeve, the diameter of which is 7 mm. They then have to cut the M8 thread, which will allow you to mount the locking bolts. On the reverse side of the motor shaft, it is necessary to machine the platforms to increase the strength of the fastening of the bushing with bolts. Stepping back from the top of the cylinder 15 mm, it is necessary to remove the edges, using a grinder for this, thiswill form a square, the side of which should be equal to 25 mm. He is supposed to be wearing knives.
Knife making
The straw chopper has its main component - knives. They can be made from a hacksaw blade, from which four blanks are cut out by means of a grinder. In the central part of each element, a square hole should be prepared, the side of which should be equal to 26 mm. The rigidity of the original canvas will affect the width of the parts. It is necessary to position the knives closer to the bottom. In order to sharpen the cutting edges well, it is necessary to use a sharpener. The bolts that hold the hub should be above the blades. If it is not possible to make a hole for chopped straw, placing it under the knives, it should be done from the side. Why does a grinder come into play, with which you can make a circle 7 x 7.
When making a straw chopper, it is necessary to form a guide element of the body, steel is used for this. The housing must be fixed to the grinder with M3 bolts. Care must be taken to ensure that the installation platform is as stable as possible. Why its base needs to be made larger compared to the top. It must be made as functional as possible, in addition, it must be comfortable. The hay and straw chopper must have a platform that will not only hold the installation, but also protect the motor. It must be fixed to the container using threebolts M6x45. But it is preferable to close the side faces of the platform with sheets of steel. In the racks, you need to prepare a thread for installing M3 bolts, with which the canvases are fixed to the platform body.
Making a chopper from a pump
A hay chopper, straw can be made from improvised materials. In order to perform the simplest unit, you can use the Agidel brand pump, by the way, any similar electric motor will do, but you need to choose one that will be able to deliver about 3000 rpm. In addition, it must be powered by a 220 V network. You will also need an old aluminum pan. A hacksaw designed for woodworking will also come in handy. It will be needed in the amount of several pieces, and it will be needed to make knives.
When you make a straw chopper with your own hands, you need to think about how the installation will start, for this a button will come in handy, which will be the NVD from an old washing machine, also prepare a plug and an electric cord.
Make recommendations
A do-it-yourself straw chopper should be made in such a way that the motor is located under the pan. While the start button should be placed at the back of the platform, it will be easy to reach.
Safety rules
A do-it-yourself straw chopper, the drawings of which are presented in the article, must be used very carefully in the processoperation, because the design is based on sharp knives, which are considered quite dangerous, as they can cause serious damage to a person.
If you have made an apparatus that runs on electricity, then you must be especially careful, only in this way the grinder will last a long time and will not cause injury. Particular care must be taken to ensure that children do not try to use the device, this can lead to unpleasant consequences. A do-it-yourself straw chopper, the drawings of which must be considered before starting work, must be used only for its intended purpose.
