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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

Because the concentration of the mixture is controlled by the idling oil needle when the engine is idling

 

The vacuum at the main nozzle of the throat and the idle nozzle disappears, fuel is no longer sprayed, and the fuel is replenished to make the oil chamber pressure equal to the atmospheric pressure when the diaphragm is in a balanced position. The pressure valve is closed to start enrichment. It is required to supply a relatively rich mixture when starting. Therefore, it is necessary to press the start enrichment lever before starting to open the pressure regulating valve. The fuel flows into the fuel chamber under the action of gravity and overflows from the nozzle. Enrichment.

When starting, you can also close the small air door to increase the degree of each nozzle to enhance the fuel suction effect, supply excess fuel, and thus play the role of enrichment. The damper should be opened immediately after starting, otherwise the engine will stall due to the excessively rich mixture. The adjustment of the carburetor will directly affect the starting idle speed and acceleration power and fuel consumption of the engine.

The factory’s wind power extinguisher has been adjusted. After the carburetor is cleaned and maintained, the oil needle of the Sichuan vacuum pump should be adjusted to the original position, the specific adjustment method. When the engine is idling, the concentration of the mixture is controlled by the idling oil needle. When screwing in to become thinner, the speed increases, and when screwing out to become rich, the speed decreases. It is adjusted until the engine can run stably at idling speed, and it can also be smooth when accelerating. Increase the throttle of the transition, the engine does not stall until it stops.

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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