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 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 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
Numerical control lathe processing technology with the ordinary lathe processing technology is similar, but because the numerical control lathe is a one-time clamping and then achieve continuous automatic processing to complete all the turning process, in numerical control lathe processing should pay attention to the following six points:
1, the choice of cutting amount needs to be reasonable
Cutting dosage (AP, F, V) selection is reasonable or not for can give full play to the potential of the machine tool and the cutting performance of the tool, in order to achieve high quality, low cost and high yield, safe operation has a decisive role, in the rough machining, hand is considered to be a large amount of AP back eating.Second to select a larger feeding f, v, finally determine a suitable cutting depth increase turning ap can make feed back the number of less, increase the feeding f can be helpful for chip breaker, so, according to the above principles, choosing rough machining, cutting dosage to improve production efficiency and reduce the loss of the cutting tool and reduce the manufacturing cost is very good;In finish machining, the machining accuracy and surface roughness requirements will be high, machining allowance is not big and more uniform, so choosing precision cutting dosage, should consider how to guarantee the quality of processing, and on this basis to improve productivity, so the precision turning should choose smaller amount of turning the AP with feeding F,Select the tool material with high cutting performance and appropriate geometric parameters, as far as possible to improve the cutting speed V;
2, reasonable choice of tools
A, in the rough turning, the choice of high strength, good durability of the tool, to meet the rough turning of the large knife and large feed requirements;
B, in the precision turning, to choose high precision, good durability of the tool, because to ensure the processing accuracy of parts;
C. In order to reduce the time and procedure of tool change, machine clamp knife and machine clamp blade should be used as far as possible;
3, reasonable choice of fixture
A, should try to choose a general type of fixture to clamp parts, avoid using special fixture;
B. Positioning datum of parts should be overlapped to reduce positioning error;
4, fixture installation should be reasonable
Now, the hydraulic chuck and hydraulic clamping cylinder connection is mainly by the pull rod to complete, the hydraulic chuck chuck critical point is: the use of a wrench to remove the hydraulic cylinder above the nut, remove the pull pipe and extracted from the back end of the spindle, and then use a wrench to remove the chuck on the fixing screw, can remove the chuck;
5. Determine the reasonable processing route
Processing route usually refers to the Cnc Machine tool processing process, the relative movement of the tool parts and direction, the need to meet the two points are: the need to ensure the machining accuracy and surface roughness requirements of the feed route;Should be as far as possible to shorten the processing route, reduce the empty travel time of the tool;
6. The correlation between the processing route and the processing allowance
Today, though CNC lathe has been significantly used in the field of mechanical processing, but also is still popular, general should speak of too much allowance on blank, especially with allowance of forging, casting hard cortex arrangement on universal car for processing, if must use the numerical control lathe processing, need to pay attention to the application of flexible;
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