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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

Classification of CNC Machining Occupation Levels

1. Blue-collar layer:   That is, CNC machining operation technicians, proficient in machining and CNC machining process knowledge, proficient in the operation and manual programming of CNC machine tools (attributes: automated machine tools), understand automatic programming and simple maintenance of CNC machine tools (attributes: automated machine tools), such There is a large market demand for personnel, and they are suitable for operating workers of CNC machine tools (attributes: automated machine tools) in the workshop, but due to their single knowledge, their wages will not be much higher.   2. Gray collar layer:   One, CNC machining programmer:   Master the knowledge of 5 Axis CNC machining Aluminum   technology and the operation of CNC machine tools (attributes: automated machine tools), be familiar with the design and manufacturing expertise of complex molds (title: mother of industry), and be proficient in 3D CAD/CAM software, such as UG, GOOGLE PRO/E, etc. ; Familiar with CNC

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

Are you still worried about researching and developing products for five-axis machining? This ensures high efficiency and safety!

In various industrial fields, five-axis linkage Cnc Machining centers are tools that have been widely used in recent years. Especially when researching and developing five-axis machining of products, due to the development of new products, metropolises need special-shaped, new or complex parts, so its utilization rate is even higher. But precisely because of the extremely high complexity of five-axis machining of research and development products, the probability of tool collision is high. How can we avoid knife collision as much as possible?

Adding optional module programming Op to the simulation solution can effectively allow users to improve the NC program according to the motion mode of each machine tool, and use efficient lateral motion to automatically find a better orientation without collision for multi-axis machining.

It allows programmers to avoid errors to a great extent when manually optimizing the axis position. The overall improvement process is complicated, so the following three points should be given priority when implementing.

1. Consider the properties of specific machine tools

When programming for various types of machining centers, a very obvious advantage of Op will appear. Its simulation software can be adjusted according to the operating conditions of the CNC machining machine tool to control and implement comprehensive collision detection, so it can be relatively independent of the machine tool. Attribute creation CAM program, thereby improving the flexibility of process allocation and processing.

2. Op detection limits

Op can also find other problems that may arise. For example, if the machine axis rotation is limited, the software will take this into consideration when selecting tool positions and ensure smooth machining. If there is an axis limit, Op will interrupt the tool path, slowly retract the tool and retract the axis to avoid this limit. Then the tool will slowly feed again and continue machining. This method can be used for spiral machining on restricted machine tools. Angle head machine tools can also be used with Op to achieve dynamic machining. ‍

3. Use as many axes as needed

The software optimizes the feed motion and automatically determines whether positioning with the rotary axis is faster. The rotation axis moves along a short path, and the movement of the linear axis is greatly reduced. In this way, a faster speed can be achieved during exercise. If a 3-axis movement is not possible due to a collision or axis restriction detected, Op will change the movement with the help of four or five axes. For various types of operations, whether it is 2.5-axis, 3-axis or 5-axis, they can be effectively connected, thereby reducing the timeliness of auxiliary processing. When the tool is close to the workpiece, the collision will be checked first to ensure that the tool will not retract to a safe plane during movement, effectively shortening the processing time.

Although five-axis milling is a challenging CNC lathe processing mode in the research and development of five-axis machining, due to programming and improper operation by employees, it is easy to hit the tool and affect the qualified rate of processed products, but the matter is human, through Op programming The improvement can effectively consider the axis limitation and optimization algorithm processing sequence at the same time, thereby reducing repositioning, improving efficiency, and ensuring the safety of processing.

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