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Working principle of slow wire processing

 Slow wire walking, also called low-speed wire walking, is a kind of CNC machining machine tool that uses continuously moving fine metal wire as an electrode to pulse spark discharge on the workpiece to generate a high temperature of over 6000 degrees, ablate metal and cut into a workpiece. The principle of wire processing is the phenomenon that there is a gap between the wire electrode and the workpiece, and the metal is removed by continuous discharge. Since the slow-moving wire cutting machine adopts the method of wire electrode continuous feeding, that is, the wire electrode is processed during the movement, so even if the wire electrode is worn out, it can be continuously supplemented, so it can improve the machining accuracy of the parts and slow the wire. The surface roughness of the workpiece processed by the cutting machine can usually reach Ra=0.8μm and above, and the roundness error, linear error and dimensional error of the slow-moving wire cutting machine are much better t

How Do Cnc Swiss Machines Work

How Do Cnc Swiss Machines Work Save 0 What Is Swiss Machine –The full name of the walking CNC lathe, it can also be called the spindle box mobile CNC automatic lathe, the economical turning and milling compound machine tool or the slitting lathe. It belongs to precision machining equipment, which can complete compound  machining such as turning, milling, drilling, boring, tapping, and engraving at one time. It is mainly used for batch  machining of precision hardware and special-shaped shafts. This machine tool first originated in Germany and Switzerland. In the early stage, it was mainly used for precision machining of military equipment. With the continuous development and expansion of industrialization, due to the urgent needs of the market, it was gradually applied to the  machining of civilian products; the development of similar machine tools in Japan and South Korea Earlier than China, it was mainly used in the military industry in the early days. After the war, it was gradually

Spring Design Attention And Roll Forming Method

Spring Design Attention And Roll Forming Method The coiling characteristics and methods of springs are divided into cold coiling method and hot coiling method. Cold winding method: When the diameter of the spring wire is less than 8mm, the cold winding method is adopted. High-quality carbon spring steel wire is usually first cold drawn and then heat treated. After winding, it is generally not quenched, but only tempered at low temperature to eliminate the internal stress during winding. Hot-rolling method: Springs with larger diameter (>8mm) spring wire should use hot-rolling method. Hot rolled springs must be quenched and tempered at medium temperature. The Design Process Of Various Springs ·          Installation space: When designing a  compression spring , it is necessary to have a clear understanding of the space required for the installation of the spring, in order to effectively grasp the basic manufacturing conditions of the compression spring, including the outer diam

Cars need to be properly maintained in stages

Although the car is made of steel and has no flesh and blood, its life span and physical condition are similar to that of a human, and it also has a “life cycle”. Cars in different periods have very different “physical conditions”.

The author roughly divides the life cycle of a car into five stages: “peak period”, “Microsoft period”, “menopausal period”, “twilight period” and “dangerous period”. In these five stages, the maintenance and repair focus of the car are also different. You can take corresponding “maintenance” measures according to the life stage of your car.

1-2 years-“peak period”

The first two years of the car are the “peak period” of life. It can be said that when the car is in the best condition, it is equivalent to a person’s youth. People in this period are full of passion, bold words and lofty ambitions, daring to dare to do, and with endless energy, they don’t seem to be tired. Cars in this period are also in excellent condition. As long as regular maintenance is carried out, there will be basically no problems, but cars older than two years will begin to replace some of the most wearable parts. Therefore, manufacturers generally promise a two-year warranty, because there will be no major quality problems in the first two years of the new car.

2-4 years-“Microsoft Period”

After two years of use, the car began to enter the “Microsoft stage.” It’s no longer as vigorous and energetic as in the previous period. In this period, some parts of the car need to be replaced frequently to replenish energy.

Brake pads: The car needs to be replaced with new brake pads after two or three years of use. When a car is sent for repair, the brake pads must first be checked, because the brake pads are the first line of defense for driving safety. According to experience, the brake pads will wear out in about two years. Of course, the exact usage period depends on the driver’s habits. If you are the kind of person who likes to slam on the accelerator and the brakes, the brake pads will definitely wear out more severely and the life span will be shorter.

Fuel pump: When the car has been driven for more than two years, it is almost time for the fuel pump to be cleaned or replaced.

Shock absorber: When the car reaches three or four years, it may not run as smoothly as a new car. In this case, you should check the car’s shock absorber. The function of the shock absorber is to reduce the vibration of the car. It is a part of the suspension system. If the spring of the shock absorber is no longer elastic, it will shake badly when driving at high speed, and it is especially dangerous in rainy days.

4-6 years-“menopause”

After using a car for 4-6 years, he entered the “menopause”. Just as people lose their temper when they enter the “menopause” period, problems with the “menopausal” car are commonplace, because many parts of the car are beginning to age, oil and water leaks from time to time, and small problems are endless. However, if the cars of this period are well maintained, they are still “slick and slippery” from the outside. Some savvy car owners take advantage of this period to start changing cars. Cars in this period can be sold at a good price, and they can also dump all the upcoming problems to others.

6-10 years-“Twilight period”

After 6-10 years of use, the car enters the “twilight period”. Like an old man in his 60s and 70s, there are serious illnesses three to sixty-nine, and minor illnesses occur every day. They are really sad for their children. Cars in this period are also worried about the car owners. “General strikes” are three or sixty-nine, and “small strikes” occur every day. Everything that can be broken has been broken once, and the only parts that are not broken may be the replaced parts. During this period, you must strengthen the maintenance of the car, regularly replace the wearing parts, check the condition of the car at the repair station or maintenance center from time to time, and do routine inspections and maintenance work before and after the car is delivered.

The automotive parts and parts machining, PTJ Shop offers the highest degree of OEM service with a basis of 10+ years experience serving the automotive industry. Our automotive precision shop and experts deliver confidence. We have perfected the art of producing large component volumes with complete JIT reliability, backed by the quality and long-term reliability our customers expect.

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