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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

Although the Machining Efficiency of the CNC Lathe is High, the Following Six Points cannot be Ignored

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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