Classification of disc ploughs

disc ploughIt can be divided into two types according to the installation method of the disc: ordinary type and vertical type. There is a deflection angle of 10 ° ~ 30 ° between the disc rotation plane and the forward direction of the ordinary disc plow and the vertical disc plow, which plays a role in bulldozing and enhances the ability of the disc to enter the soil. The plane of rotation of an ordinary disc plow is not perpendicular to the ground, but is slightly inclined. There is an angle between the rotation plane and the vertical line of the ground, called the inclination angle, which is usually about 30 ° to 45 °. For an ordinary disc plow with a tilt angle, the skew angle is represented by the acute angle between the horizontal diameter of the disc and the line of the forward direction. It can make the disc easy to cut and absorb the soil, and make it turn over after rising. Disc plows are usually fitted with scrapers above and behind the concave surface of the disc to prevent soil from sticking. The squeegee surface also helps to flip.





Verticaldisc ploughThe rotating surface of the disc is perpendicular to the ground, with only one deflection angle and no tilt. Vertical disc plows have smaller discs and a large number of discs on the plow (the number of discs in a large vertical disc plow can reach 30-40), and are mainly used for shallow tillage and stubble removal. It can also be equipped with a disc harrow, a subsoiler seed box and a fertilizing box for combined tillage, sowing and fertilizing.
Ordinary disc ploughs also have two-way disc ploughs that can be turned left or right. The plow beam equipped with the plow bar can swing left and right relative to the plow frame to adapt to the replacement of the disc. Agricultural lawn mower supplier reversing mechanism has mechanical or hydraulic type. The two-way disc plow can always level the soil to one side of the field, and the ground after the plow will remain level without leaving ridges.






The driven disc plow was developed in some countries in the 1980 s. The sets of discs are driven by the tractor's power take-off shaft, rotating at about 120 rpm. The effect of turning the soil is better. It is used for farming. The power of tractors can be better used in wetlands and rice stubble fields.deep loosening machine priceIt is also acceptable to the public.

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The correct use and maintenance of the disc harrow: in operation, the technical condition of the rake, scraper, square shaft, bearing, angle adjuster and connecting parts should be checked frequently, especially the end nut of the disc harrow group and the fixing bolts of each bearing. If it is found loose, tighten it in time, and remove the weeds and dirt on the workpiece in time.

How to maintain planter accessories

Planter A planting machine using crop seeds as a planting object. Planters for a certain type or crop are usually named after the crop type, such as wheat planter, cotton planter, etc. Planter accessories are very effective in farmland operations, so the planter accessories are easily damaged. Next, the planter manufacturer will introduce how to maintain the planter accessories. Before using the planter, we should have a simple and comprehensive understanding of the principles of all planter accessories. The planter manufacturer stated that it can be effective as long as the maintenance is carried out on the correct accessories to ensure the normal use of the planter accessories. The planter will extend its life.

Defects in castings and forgings

The defects produced in the casting and forging process are similar to the defects produced in the ingot, but they are still process defects, including pores, inclusions, shrinkage holes, loose holes, cracks, etc.

Production of castings and forgings

Castings and forgings must be melted by electric furnaces, mainly electric arc furnaces and induction furnaces. According to the different lining materials and slag system, can be divided into acidic furnace and alkaline furnace. Carbon steel and low alloy steel can be smelted in any furnace, but high alloy steel can only be smelted in alkaline furnaces.

Inspection of Casting and Forging

The complex information system management interface of casting and forging, such as poor ultrasonic penetration, coarse grain, uneven organization, etc., all enhance the scattering of an ultrasonic wave by students, and the energy can be effectively attenuated, so that the detectable thickness is smaller than that of forgings.

What are the advantages and disadvantages of casting and forging

One of the advantages of casting and forging is the flexibility of design. Personnel design has a large degree of freedom of design choice for the shape and size of castings, especially for parts with complex shapes and hollow sections. Steel castings can be manufactured using a unique process known as core assembly.