What is the soil bulk density? How to determine the bulk density value? This is the basic knowledge people want to understand. In fact, the definition of soil bulk density is such that in the case of undisturbed natural structure of the soil, the weight per unit volume is usually expressed in g/cm3. Another aspect of soil bulk density that is different from soil specific gravity is that the soil bulk density has a large variation, usually between 0.9 and 1.8. This change is affected by the texture, structure, elasticity and organic matter content of the soil. Soil bulk density is an important instrument for the determination of soil bulk density, and has many applications in modern research.

Through the determination of soil bulk density and other related instruments, it was found that the soil bulk density reflects the soil structure, air permeability, permeability and water retention capacity. Generally, the soil bulk density of the cultivation layer is from 1 to 1.3 g/cm3. The deeper the soil layer, the greater the bulk density is. Large, up to 1.4 to 1.6 g/cm3, the smaller soil bulk density indicates better soil structure and air permeability. Orchard deep turning to improve soil, increase organic fertilizer and other measures to significantly reduce the soil bulk density.

In the past, the ring cutter method was used in many research methods. The operation procedure was very tedious: first select the location of the soil profile in the field, and then excavate the soil profile to observe the sun facing. Dig the soil on both sides of the pit. The depth of the excavation is generally 1 meter. If only the soil bulk density of the cultivation layer is measured, it is not necessary to dig the soil profile. The soil profile was trimmed with a trowel, and the morphological characteristics of the profile were recorded. The samples were stratified according to profile levels, and 3 were repeated for each layer. Place the ring knife holder on a ring knife of known weight. Paint a small amount of petrolatum on the inner wall of the ring knife. Push the ring knife edge downwards into the soil vertically until the ring is filled with the sample. If the soil is solid, you can use your handkerchief to beat slowly. The ring cutter pressure should be stable and consistent. Cut the soil around the ring blade with a hoe, remove the ring knife that has been installed, carefully trim the excess soil on both ends of the ring knife, and clean the soil outside. At the same time in the same floor sampling with aluminum box sampling, determination of natural water content. The ends of the ring knife containing the sample were immediately capped to prevent water evaporation. Immediately weigh (accurate to 0.01 grams) and record. The aluminum box containing the sample was dried and weighed (accurate to 0.01 grams) and the soil moisture content was measured. Or directly remove the sample from the ring to determine the soil moisture content.

The determination of the soil bulk density using a soil bulk density meter simplifies the above steps, and the results obtained are more realistic and effective than the above method. Therefore, in the course of modern research work, it is also very reasonable to use the soil bulk density instrument.

CNC machining/lathe machining turning is the workpiece is fixed on the lathe, using high speed rotating machine drives the workpiece, the turning. tool on the workpiece so the product shape is round. The maximum of our machines can clip the weight of 200Kg, maximum diameter of 450mm, length of 750mm. high speed 3000RPM. processing materials are commonly used in steel, copper, aluminum, stainless steel POM, PS, PMMA, and other metal and plastic. The CNC Machining Turning precision of 0.01mm. concentric 0.01. we have specialized equipment to test products, these instruments include: TESA Grohe, micrometer, projector, calipers. Product surface treatment has anode, electroplating, sand blasting, passivation, surface drawing, spraying, laser carving, such as LOGO, etc..Cnc Machining Turning application in a variety of industries, including: cars, ships, communications, medical equipment, industrial automation equipment.

CNC Machining Turning

Cnc Machining Turning,Anodized Aluminum Cnc Machining Turning,Brass Cnc Machining Turning,CNC Machining Part

Buildre Group Co., Ltd. , https://www.bldcncmachining.com