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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

How to determine the thickness of aluminum alloy die castings?

In the design process of aluminum alloy die castings, many customers are uncertain about the thickness of aluminum alloy die castings, and they do not know how thin the thickness of aluminum alloy die castings can be.

The aluminum alloy die-cast product wall is also not suitable for too thin, large-scale and too thin walls are prone to defects such as under-casting and cold partition.

The choice of wall thickness for aluminum alloy die-casting products: under normal conditions, the wall thickness is not suitable to exceed 4.5mm, suitable for small and medium-sized castings: zinc alloy material 1-3mm, aluminum and magnesium alloy 1.5-4mm, alloy copper 2- 4mm.

The thickness of aluminum alloy die-casting products should be uniform, which is beneficial to the additional condensation of aluminum alloy liquid after “filling”. It can prevent the disadvantages of forging ground stress, shrinkage porosity and cracks.

For the thick-walled pipe part of the aluminum die-casting product variety, ribs or cast inserts can be selected to enhance its physical properties and improve process performance.

Therefore, in the thick wall design of aluminum alloy die-casting parts, it is not suitable to choose the method of raising the thickness of the wall to increase the bearing capacity of aluminum die-casting products. When the thickness of the casting exceeds the necessary limit, its impact toughness will decrease accordingly. Excessive thickness of the silicone casting wall will easily cause shrinkage porosity and air vents, and will cause the initial setting of the aluminum alloy die-casting production process to cause long initial setting, large shrinkage, core pulling, difficult demolding and other unfavorable conditions.

We focus on aluminum alloy die-casting customization and have many experienced die-casting production teams. We can also provide you with reasonable and effective suggestions during the process of thick wall control of aluminum alloy die-casting parts!

Link to this article:How to determine the thickness of aluminum alloy die castings?

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