Insulate the skin with a hand, fade the color, remove the word quality. Refers to rubbing the insulation skin with your fingers. Some poorly insulated wire covers are easily discolored. This is especially true for red lines. After the rubbing, the skin color on the finger or the word printed on the skin is rubbed off. It is generally a poor quality line.
Then use a fingernail and a squatting line to draw down and peel off the skin. It refers to the use of fingernails and enamels to insulate the skin. It is generally a poor quality line that can be drawn down and smashed down.
Repeatedly bend the insulated wire and break it three to four times. It refers to the repeated bending of the insulated wire, and the poor quality of the insulating material of the poor quality wire is very poor. After the bending 3 to 4 times, the insulating layer will break.
Use fire to ignite the wire and leave the open flame for self-ignition. It refers to the ignition of the insulating layer, and it is the inferior line that can spontaneously ignite after leaving the open flame.
The core is usually made of aluminum and copper, and the color is dark and light. Refers to the color of the core. The color of the inferior line is dark and has no metallic luster.
Fine inner diameter and outer diameter, look at the weight of leather. It means that if the above six methods cannot be determined, the outer diameter and the core diameter of the insulated wire can also be measured. The allowable error is ±10%. If the measured value exceeds the allowable error, it is basically an inferior insulated wire.
Luoyang Auto Bearing Co., Ltd. is located in the ancient capital of four China - Jianxi Industrial Park in Luoyang, is a member of China bearing industry alliance, in close cooperation with the national Chinese bearing level testing center, is a professional R & D, manufacturing, production and sales of high quality bearing products enterprises.
The company mainly produces deep groove ball bearings, aligning ball bearings, turntable bearings, cross roller bearings and other kinds of high-precision bearing products, mainly used in motor industry, mining and metallurgy, wind power generation, oil drilling, automobile and motorcycle and other fields.
The company has the international advanced level professional test instrument, each process strictly controls the quality according to the ISO9001Z quality management system request, effectively guarantees the product accuracy and the performance stability. The AUTO bearings produced by our company are mainly exported to the United States, Korea, Europe and other markets, and have reached the quality level of the international similar products.
"Details, quality and quality" is our company's cultural core. We adhere to the production and management concept of "boutique bearing and quality assurance", adhere to zero defect quality control, and provide customers with satisfactory products.
6205 Bearing,Industrial 6205 Bearing,Deep Groove Ball Bearing 6205,Single Row 6205 Bearing
LUOYANG AUTO BEARING CO.,LTD , https://www.ballbearing.nl