(1) There are differences between the front and back sides of the splint. When picking, the plywood should have clear wood grain, smooth front surface, no roughness, and flatness. The best texture is the same, such as moire, wind pattern, rope pattern, landscape pattern and so on.
(2) Plywood should not have defects such as breakage, bumps, worms, rows of nail holes, dead knots, and burr groove marks.
(3) No degumming of plywood;
(4) Some plywood is made of two different lines of single-plate adhesive patch together, so it should be noted that when choosing, plywood joints should be tight, there is no uneven phenomenon. In particular, there should not be two different lines on a piece of plywood, otherwise it would hinder rational use, cause waste and affect the appearance of furniture.
(5) When selecting splints, care should be taken to choose splints that do not loosen. A 50cm wooden stick can be used to gently pound the plywood to the various parts. The sound is symmetrical and crisp and is basically the inner panel; if the “shell†sound is dumb, it may be due to degumming or bubbling. Intrinsic quality problems caused. This board can only be used as a lining board, or a top board, and cannot be used as a fabric.
(6) When choosing the splint, it is necessary to pay attention to the harmony between the color of the wood and the color of the furniture paint. Generally ash, beech splint paint light yellow, dark furniture can be, but Liuan splint has a depth of light, light-colored paint decoration is no problem, but the dark can only be made of ochre furniture, not light yellow Furniture, otherwise the furniture is dark in color. Although dark colors can be used to wash the painted yellowish furniture, the effect after treatment is not ideal. After several years of furniture use, the color will still be dark and deep.
(7) Grade stamps are generally available for reference on regular plywood board corners.
The grade marks of domestic plywood are: (first grade), (second grade), (third grade), (other grades).
Imported plywood is represented by “AAâ€, “BBâ€, “CCâ€, and “CCâ€â€”, two, three, and four. If the board is marked with the provinces "B", "C", and "D", it is plywood produced in Romania. If there is no imprint, it is likely to be bubbling or degumming. Please note this when selecting.
Furniture Brand Three Tree Lacquer Furniture Paint
Metallurgical Machinery Bearings
Bearings play an important role in the metallurgical industry, mainly in the following aspects:
1. Equipment operation: The metallurgical industry uses a large number of rotating equipment, such as rolling mills, ovens, cooling equipment, etc., and the normal operation of these equipment is inseparable from the support and guarantee of bearings. Bearings can reduce the friction and wear of equipment, improve the reliability and operation efficiency of equipment.
2. Load bearing: The equipment in the metallurgical industry usually needs to bear heavy loads, and the bearings can bear and distribute these loads to ensure the stable operation of the equipment. For example, in the rolling process, bearings are subjected to high temperatures, high speeds and large loads, which can ensure the normal operation of the rolling mill.
3. Temperature and environmental adaptability: The working environment of the metallurgical industry is usually harsh, such as high temperature, high humidity, corrosive gas, etc., and the bearing needs to have good high temperature resistance, corrosion resistance and other characteristics to adapt to these harsh environments.
4. Energy saving and emission reduction: The optimal design and selection of bearings can reduce energy consumption and emissions, and improve the energy utilization rate of equipment. For example, the use of low-friction bearings and high-efficiency sealing structures can reduce energy consumption and lubricant consumption.
To sum up, bearings in the metallurgical industry not only ensure the normal operation of equipment, but also improve the reliability, stability and energy efficiency of equipment, and play an important supporting role in the development of the metallurgical industry
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Hebei Fangqiang bearing manufacturing Co., LTD , https://www.fangqiangbearing.com