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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

What is brass, red copper and red copper, and what is the difference?

1. Brass is an alloy composed of copper and zinc. Brass composed of copper and zinc is called ordinary brass. If it is a variety of alloys composed of more than two elements, it is called special brass. Brass parts has strong wear resistance. Brass is often used to make valves, water pipes, connecting pipes for internal and external air conditioners, and radiators.

 

2. Red copper, also known as red copper, is a simple substance of copper, so named because of its purple-red color. See copper parts for various properties. Red copper is industrial pure copper with a melting point of 1083°C, no allotropic transformation, and a relative density of 8.9, which is five times that of magnesium parts. The mass of the same volume is about 15% heavier than ordinary steel parts.

 

The red copper is generally called red copper because of its rose red color and purple after forming an oxide film on the surface. It is copper containing a certain amount of oxygen, so it is also called oxygen-containing copper.

 

3. Red copper is pure copper, also known as red copper parts, which is a simple substance of copper, and it is named because of its purple-red color. See copper for various properties. Red copper is industrial pure copper with a melting point of 1083°C, no allotropic transformation, and a relative density of 8.9, which is five times that of magnesium.

 

The mass of the same volume is about 15% heavier than ordinary steel. Because it has a rose red color and is purple after an oxide film is formed on the surface treatment, it is generally called copper. It is copper containing a certain amount of oxygen, so it is also called oxygen-containing copper.

 

Red copper has good electrical and thermal conductivity, excellent plasticity, and is easy to be processed by hot and cold pressure. It is widely used in the manufacture of wire cutting, cables, electric brushes, electric spark copper and other products that require good electrical conductivity.

 

The difference between copper and brass

 

1. Appearance color

 

Brass: It is light golden yellow and shiny.

 

Copper: Rose red, shiny.

 

2. Ingredients

 

Red copper: The content of copper has reached 99.9%.

 

Brass: about 60% of copper; about 40% of zinc parts; some grades contain about 1% of lead, which is impurity.

 

3. Strength

 

Brass: higher.

 

Copper: lower.

 

4. Density

 

The density of brass (8.93g/cm3) is mostly used for mechanical bearing lining, and it is wear-resistant. metal castings are often used to make valves and pipe fittings.

 

Red copper. Pure copper, also known as red copper, has a density (7.83g/cm3), a melting point of 1083 degrees, and is non-magnetic.

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