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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

Introduction to 5 key points of car maintenance

  Measure tire pressure

The tire measures every inch of the journey with its own body, which is extremely hard.Therefore, the tire pressure should be measured first to maintain the same tire pressure for all four wheels.If the tire pressure of a certain tire is abnormally low, carefully observe whether the tire is punctured, and repair it in time.If the wound is too large or the wound appears on the wall of the fetus, it can only be asked to retire.

There is also the problem of tire dynamic balance.The rough road in the wild may affect the dynamic balance of the tires. The originally smooth car suddenly seems to lose its temper, with abnormal tremors, which indicates that the dynamic balance of the tires has failed.The reason may be the deformation of the wheel hub, tire wear, or it may be that the balance weight clamped on the wheel hub was shaken off during a strong bump. Therefore, it is extremely necessary to rebalance each tire.

Oil change

During a self-driving trip, high-load operation will make the engine stand the test, so check the engine oil and water tank water.If it is an automatic transmission car, also check whether the transmission oil is missing, and if it is excessively consumed, it should be refilled in time.

If the self-driving trip is relatively long, it is best to change the engine oil, because the engine’s high temperature work for several days may cause the engine oil to deteriorate.And whether the engine belt is loose also needs attention.In addition, the dust during the journey may make the engine body, engine radiator and air-conditioning radiator covered with mud, which affects the engine’s heat dissipation and air-conditioning work. At this time, you need to go to a professional car dealer and use a special cleaning agent to treat the engine and radiator. Carry out special cleaning.

Do 4-wheel alignment

The bumpy road brings continuous impact to the chassis, and the four-wheel positioning of the vehicle may also be changed as a result, resulting in abnormal tire wear.Therefore, after returning from the journey, the chassis of the vehicle should also be checked, and if necessary, the four-wheel alignment should be done again for the car.Similarly, severe vibration can damage the steering system, and you should observe whether the steering gear ball head is loose.In addition, the screws of the chassis part should be tightened.

Check the brake system

The brake system is also an inspection link that cannot be ignored. Frequent braking and gravel-filled environments during the journey will severely wear the brakes.If the brakes are excessively worn, or there is a “hissing” noise when you step on the brakes, then the brakes need to be checked.

Clean the engine oil circuit

There are certain differences in the quality of oil in various regions, and even some of the oil quality is unqualified. Adding such oil will cause great damage to the engine and the oil circuit.If you use inferior gasoline, on the one hand, the engine will produce knocking and noise; on the other hand, it is easy to make the three-way catalytic converter fail. At this time, the engine will often be weak and fuel consumption will increase, which will seriously damage the internal parts of the engine.If the above situation occurs, it is best to go to the after-sales service station to drain the oil, and then add some additives to clean the oil circuit for maintenance.

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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