Definition of disc plough

disc ploughThere are two types: reversible and small reversible. The latter is also known as the one-way disc plow, which is used in tractors driven by two or four wheels. The number and size of the moldboard vary depending on the driving force. Two-wheel tractors drive two to three disc plows, and four-wheel tractors will drive three, four to seven disc plows. The tractor is fully suspended and connected to support the operation.
The disc plow flips the soil and enters the soil by its own weight. This type of plow is suitable for plowing in complex soils with heavier soil. It can pass through stumps or obstacles in the soil. If the plough has fan-shaped pruning, its soil performance is better. Generally speaking, disc plows require lower traction than birch plows, so they have good passability. The disc plow turns the soil in one direction, and the purpose is to remove weeds and other debris by cutting, covering and crushing.
correct usedisc ploughIt can reduce the accumulation of soil, avoid hardening layer or plow bottom, and prevent air, water or vegetation roots from penetrating into the deep soil. When it rains, the surface soil particles aggregate to form a crust that hinders the penetration of air and water.
The force acting on the plough blade (rake blade) can be divided into three parts, the horizontal component acting roughly the same as the horizontal component of the birch plow: The lateral force is large: the vertical component is upward, and the vertical component of the birch plow is opposite to its direction. In order to balance the lateral force, the disc plow needs a large support wheel, which generally acts as the mountain tail wheel and the rear wheel, while the disc harrow is generally designed to be installed with pairs of reverse wheels to balance its lateral force.
The plow body of a disc plow overcomes the upward vertical component by its own weight and enters the soil. For difficult land, disc plows need to increase the overall weight to improve the ability to enter the soil. Because of this, disc plows are often made heavy and small, and plowshares suitable for livestock traction can be divided into two types: fan-trimmed and flat, with changes in diameter and concavity.deep loosening machineAlso need attention.

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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.