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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

Hydrostatic guideway of CNC machining lathe

The static pressure slide rail (TTW guide) of the CNC machining lathe transfers the oil with a certain pressure through the throttle to the oil cavity between the sliding surfaces of the slide rail (TTW guide) to form a pressure oil film to float the moving parts , Make the sliding rail (TTW guide) surface in a pure liquid friction state.   CNC machining General CNC machining usually refers to computer digital control precision machining, CNC machining lathe, CNC machining milling machine, CNC machining c17200   beryllium   copper   and milling machine, etc. The feed route of finishing is basically carried out along the part contour sequence. Therefore, the focus of determining the feed route is to determine the feed route of rough machining and idle stroke. In the numerical control processing, the control system issues instructions to make the tool perform various motions that meet the requirements, and the shape and size of the workpiece are expressed in the form of numbers and lette

Hydrostatic guideway of CNC machining lathe

The static pressure slide rail (TTW guide) of the CNC machining lathe transfers the oil with a certain pressure through the throttle to the oil cavity between the sliding surfaces of the slide rail (TTW guide) to form a pressure oil film to float the moving parts , Make the sliding rail (TTW guide) surface in a pure liquid friction state.   CNC machining General CNC machining usually refers to computer digital control precision machining, CNC machining lathe, CNC machining milling machine, CNC machining c17200   beryllium   copper   and milling machine, etc. The feed route of finishing is basically carried out along the part contour sequence. Therefore, the focus of determining the feed route is to determine the feed route of rough machining and idle stroke. In the numerical control processing, the control system issues instructions to make the tool perform various motions that meet the requirements, and the shape and size of the workpiece are expressed in the form of numbers and lette

Key points of air filter cleaning

Although the traffic roads in various places are getting better and better, the dissatisfaction of the drivers with the roads still exists, especially in the places where they often pass. Road construction is a headache. Not only is the advancement blocked, The impact of construction dust on the car can not be ignored. At this time, car maintenance is necessary.

1. Regular cleaning of the air filter is the key

Because the air filter finely filters the air entering the engine cylinder, whether it can be kept clean and unobstructed is related to the life of the engine.

It is understood that the air filter is prone to blockage when walking on a smoke-filled road. If a dirty air filter is used during driving, it will cause insufficient intake of the engine and incomplete fuel combustion, which will cause the engine to fail to work. Stable, power drops, fuel consumption increases and other phenomena occur. Therefore, it is necessary to keep the air filter clean.

According to the master, according to the maintenance cycle of the vehicle, when the ambient air quality is generally good, it is sufficient to clean the air filter regularly every 5000 km maintenance cycle, but when the ambient air quality is poor, it is best to advance to every Once 3000 kilometers are cleaned up, car owners can choose to go to the 4S shop to clean up, or they can do it by themselves.

Hands-on method: The method of cleaning the air filter is actually very simple. Just open the engine compartment cover, lift the air filter box cover forward, take out the air filter element, and gently tap the end face of the filter element. If it is a dry filter element, it is recommended to use compression Blow the air from the inside to the outside to remove the dust on the filter element; if it is a wet filter element, it is recommended to wipe it clean with a rag. Remember not to wash with gasoline or water. If the air filter has been severely clogged, you need to replace it with a new one.

2. Internal and external recycling is a skill

During the driving process, if car owners cannot correctly grasp the use of internal and external circulation, the muddy air will cause great harm to the body. Using the external circulation, you can breathe the fresh air outside the car, driving at high speed, the air in the car will feel muddy after a long time, people are uncomfortable, and you cannot open the windows, you should use the external circulation to send some fresh air in; but if the air conditioner is turned on, it is In order to reduce the temperature in the car, do not open the outer loop at this time. Some people always complain that the air conditioner is not effective in summer. In fact, many people accidentally set the car into an external circulation state.

In addition, since most car owners are driving in urban areas, we remind car owners that in traffic jams during peak hours, especially in tunnels, internal circulation should be used as much as possible. When the car starts to drive at a normal uniform speed, it should be turned on to the outer loop state. When encountering a dusty road, when closing the windows, don’t forget to close the outer circulation to block the external airflow.

3. Air conditioning in the car is indispensable in winter

As the weather gets colder, some car owners close the windows without turning on the air conditioner. The owner, Miss Lin, is a living example. She said: Open the inner loop.” Does this approach work?

Master Yang told reporters that it is wrong to drive like Ms. Lin. Because the air in the car is limited, if you drive for a long time, it will cause the air in the car to become turbid and bring certain hidden dangers to driving safety. Master Yang recommends that car owners turn on the air conditioner after closing the windows. If you are afraid of the cold, you can switch on the air-conditioning fan to blow the air, so that the air in the car can be exchanged with the outside air. At this time, for dusty roads, it is very important to maintain the cleanliness of the air conditioner filter. It can filter the air that enters the cabin from the outside and improve the cleanliness of the air.

The replacement time and cycle of the air-conditioning filter is generally when the vehicle travels 8000 kilometers to 10000 kilometers, and usually only needs to be cleaned regularly.

Hands-on method: The car air conditioner filter is usually located in the toolbox in front of the co-pilot. Just take out the filter sheet and find a position that does not interfere with the wind to slap the dust out, but remember not to wash it with water. However, the reporter still recommends that car owners go to the 4S shop to find technicians to help clean up. In addition to the more secure disassembly and assembly technology, you can also borrow an air gun in the car wash room to completely blow off the dust on the filter.

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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