The difference between disc harrow and disc plough


1. The purpose and function of the machine are different:disc ploughIt is mainly used for plowing and tilling of cultivated land, light disc harrow and medium disc harrow are used for crushing and leveling of cultivated land, and heavy disc harrow and combined soil conditioner are also used for plowing and tilling of cultivated land.
Second, the connection with the locomotive is different: the garden plough is suspended at three points,disc harrowThere are suspended disc light rake and disc rake, as well as traction disc heavy rake and combined ground preparation machine.

 

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Third, the structure of the machine is different from the force during work: the disc plow is similar to (or is) the location of the plow share installation in the three-point suspension plow, which is to install two or more disc plow and turning plate components, and install the structure of the tail wheel with balanced side pressure, so the unit bears greater side pressure during work;disc harrowIt is composed of a traction frame, a rake frame and a plurality of disc groups symmetrically arranged under the rake frame (a plurality of discs pass through a square shaft to form a group), and the force is relatively balanced during work.

 

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4. The structure and device of the main working parts are different: due to the high requirements for soil entry, soil breaking and soil turning, the structural strength of the disc plough body is high,disc ploughThe spherical concavity of the disc is large (the radius of curvature is small), the thickness of the disc blade is 0.5-1mm, and the blade angle is generally 12 degrees. When the disc plow is working, the disc plane forms a deflection angle of 40-45 degrees with the forward direction, and forms an inclination angle of 15-25 degrees with the vertical plane. The working force of the disc harrow is relatively balanced, and the soil-turning performance requirements are general. In addition to a certain strength, the requirements for the disc are mainly better wear resistance. The concavity of the spherical surface of the disc is relatively small (the radius of curvature is large), the thickness of the cutting edge of the disc is 0.3-0.8mm, the working deflection angle is 0-10 degrees, and there is no tilt,Drive Disc Harrow PriceIt is also high and low.

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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.


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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.