Design and Research of Reciprocating Spin-Type Electroplated Diamond Wire Saw CNC Cutting Machine Controls the rotation of wire saws, realizes the cutting and curve processing of non-metallic hard and brittle materials on the two-seat CNC workbench, and cuts the silicon wafer by using the electroplated diamond inner circular saw blade. The schematic. Electroplated diamond wire saws as a linear tool have the same processing properties as other superhard material plating tools. There have been many reports on processing equipment using electroplated diamond wire saws as tools. Although the design of the 2 reciprocating spin-plated diamond wire saw CNC cutting machine with the electroplated diamond wire saw as a tool has different structural features depending on the main motion form. Generally, it can be divided into translational and rotary. The translation type refers to the mechanism for installing the wire saw to make a reciprocating translation; the rotary type refers to the movement of the wire saw under the rotation mechanism. The electroplated diamond wire saw CNC cutting machine we designed this time is a translational type.

2. Structural features show the structure of the reciprocating spin-type electroplated diamond wire saw CNC cutting machine.

It is known that the cutting machine is driven by a cylinder to mount a saw frame of a spring-tensioned wire saw to realize a cutting motion of the reciprocating cycle. The material to be processed is mounted on a two-dimensional numerical control workbench, and the one-dimensional or two-dimensional feed is controlled by the numerical control device to control the worktable, thereby completing the precise cutting of the straight line or the curve of the material to be processed. The cutting machine has two obvious Features. First, the drive unit uses the cylinder to make the cylinder speed adjustable and constant, so that the wire saw can be kept unchanged. The adjustable cutting speed enables the cutting of different materials. The reversing device at both ends of the cylinder can also reduce the reversing impact of the wire saw to prevent the wire saw from being broken due to the impact force when commutating. The use of a cylinder as a drive is particularly suitable for applications where a gas source is already provided. The second is to use the stepper motor to drive the wire saw to continuously perform small-angle rotation to achieve 'spin', which can make the cutting edges of the multi-cutting wire saw with diamond abrasive grains evenly participate in cutting, reducing one-way Schematic diagram of the cutting machine The cutting machine has a wide range of processes. It can not only perform precise cutting of various rod and plate materials, but also carry out small hole training. The size range of the material to be processed can be formed into different series according to the stroke of the cylinder, the structure of the saw frame and the moving distance of the table to suit different usage requirements.

2. Selection and calculation of cylinder parameters The main technical parameters of the cylinder are that the cylinder bore and stroke are determined according to the maximum diameter of the cylindrical material being machined. The maximum diameter of the material that can be processed by the cutting machine (such as ceramic rod) is 70mm. Therefore, the stroke of the selected cylinder is 160mm. The size of the cylinder diameter determines the output force of the cylinder. It is determined by the external load. The external load on the cylinder when the cutting machine is cut includes the gravity of the cutting force saw blade when the wire saw is cut, and the friction force of the moving pair when the saw frame moves along the guide rail. In order to determine the value of the bore diameter, the saw frame is considered as the research object. The upward movement of the saw frame is the maximum thrust state of the cylinder. The air supply pressure is P cylinder thrust F gas, the sawing force of the wire saw is F line, the saw frame gravity is G contact. The pressure is N friction force is the friction coefficient of F friction and the length of each length //, the force state of the saw frame and the parameters are expressed according to the balance principle of force and moment, and there are: the provincial natural science fund funded project by FMo = PN The test of (2) has: the relationship between each parameter and productivity can be found. Due to the limitations of the conditions, our F-F gas is cut by the wire saw to make it clear that the F-line is small and the corpse line 3 Processing technology The use of electroplated diamond wire saws for the processing of non-metallic materials brittle materials has been reported at home and abroad. But these studies are mainly for high-speed rotating filament saws. The discussion on the processing technology of the reciprocating cycle translational wire saw is rare because of its small structure. Therefore, when we use the designed reciprocating spin-plated diamond wire saw CNC cutting machine to process non-metallic hard and brittle materials, each cutting parameter The choice of non-ready experience can be used to learn from exploratory experiments is our only way. Wire saw cutting is the main technical index of grinding and cutting. The factors affecting the cutting productivity of electroplated diamond wire saw are many factors, such as cutting speed, feed rate, particle size and concentration of electroplated diamond abrasive grains, etc. The size has a large influence. Only through a large number of repeated small-scale simulation experiments, the ceramic tube cutting and the reciprocating spin-type electroplated diamond wire saw CNC cutting machine designed and manufactured under the selected process parameters are performed. The experiment of flat glass cutting conducted preliminary research on the performance and cutting productivity of the cutting machine. The electroplated diamond wire saw was used. The diameter of the steel wire was 0. 5mm diamond abrasive grain was 150 ceramic tube outer diameter was <27mm, inner diameter was felmm flat glass thickness. The cutting speed of the cutting glass is 0.8 m / s. The feed rate is 5. 6 mm / cutting speed of the cut-off of the ceramic tube is 0.6 m / s. The min cycle is cooled with an emulsion. The whole cutting test was smooth and the cutting process was stable and normal. Just the tension of the wire saw must be very careful. In the tensioning and large cutting, the wire saw is easy to be pulled and the tension is small, and the wire saw is easily bent at the time of feeding, so that the machining path is shifted. In addition, the cutting mechanism of the translation mechanism is relatively short due to the short length of the wire saw. When the cutting length is longer and the thickness is larger, the wire sawing process must be replaced during the cutting process, which increases the machining auxiliary time and affects the productivity. Improvement. However, in the case of wire saw loss, the short wire saw is superior to the cutting of the filament saw in some respects. After testing, the actual ceramic processing time is 25mm2/min. The productivity of the cutting flat glass is 28mm2/min, which can improve the cutting speed, which can improve the productivity. However, the movement of the translation mechanism limits the speed, so it is not suitable to use too high cutting speed. . After cutting, the surface roughness of the ceramic tube and glass is Ra3.2~lm, and the cut ceramic tube sees the conclusion. Through the design of the reciprocating spin-plated diamond wire saw CNC cutting machine and the cutting experiment on non-metallic hard and brittle materials, you can see The structure of the reciprocating spin-type electroplated diamond wire saw CNC cutting machine is reasonable and has its own characteristics. The use of the cylinder as a drive makes the entire mechanism compact and simple. This type of structure facilitates miniaturization, improves economy, and is particularly suitable for use in laboratories. The cutting machine has a wide range of processes, and the electroplated diamond wire saw is used as a tool to perform high-dimensional one-dimensional and two-dimensional precision cutting and cutting precision and cutting precision for non-metallic hard and brittle materials and difficult materials. The cutting machine can also carry out the grinding of the small hole, which is also of special significance, but the cutting machine also has the inertia of the defect translation mechanism, which limits the improvement of the cutting speed. The large commutation impact easily causes the wire saw to break, and the reasonable process parameters Research on the dynamics of selection and processing should also be carried out in large numbers. In short, in order to make the cutting machine truly put into operation, it is necessary to carry out in-depth work in the form of structure (such as the sling type of the saw frame), the selection of component materials and the process test.

(Finish)

Metal Alloy Powder

Metal alloy powders are commonly used in thermal spray processes to coat surfaces with a protective or functional layer. These powders are typically made by combining different metal elements in specific compositions to achieve desired properties such as corrosion resistance, wear resistance, or thermal conductivity.

Some commonly used metal alloy powders for thermal spray include:

1. Nickel-based alloys: These alloys are known for their excellent corrosion resistance and high-temperature strength. They are often used in applications where resistance to oxidation and wear is required, such as in gas turbine components.

2. Cobalt-based alloys: Cobalt alloys are known for their high hardness and wear resistance. They are commonly used in applications where resistance to abrasive wear and high temperatures is required, such as in the aerospace and power generation industries.

3. Stainless steel alloys: Stainless steel alloys are used for their corrosion resistance and high-temperature strength. They are often used in applications where protection against corrosion and oxidation is required, such as in chemical processing equipment.

4. Titanium-based alloys: Titanium alloys are lightweight and have excellent corrosion resistance. They are commonly used in applications where a combination of high strength, low density, and corrosion resistance is required, such as in the aerospace industry.

These metal alloy powders can be applied using various thermal spray techniques, such as flame spraying, arc spraying, plasma spraying, or high-velocity oxygen fuel (HVOF) spraying. The specific choice of alloy powder and thermal spray process depends on the desired coating properties and the application requirements.

HVOF PTA Powder,Metal Spray Powder,Flame Spray Powder,Metal Alloy Powder

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