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Cutting machine accuracy, speed, effectiveness and stability
by：ZORON Machinery
2021-01-29
Determine the performance of the cutting machine, including cutting accuracy, speed, effectiveness and stability etc. , is concluded that several ways of cutting machine cutting quality is to choose some of the most concerned problem.
a, cutting machine, cutting accuracy
cutting machine with high precision, high speed cutting, cutting pattern without limit, and low processing cost, is gradually replacing traditional metal cutting processing equipment. At present the application range of the cutting machine is more and more widespread, and cutting precision of the cutting machine relates to processing technology, therefore is also a concern of the purchaser. Understanding of the cutting accuracy, a lot of people there is a misunderstanding. The cutting precision of the cutting machine is not actually depends entirely on the device itself, but is affected by many factors. Below, we to understand the simple, what factors affect the cutting precision of the cutting machine easily.
a. After focusing beam through the spot size. Bundle together after the light spot is smaller, the higher the cutting precision.
b。 Worktable of determines the cutting accuracy of repeat precision. The workbench accuracy is higher, the higher the accuracy of the cutting.
c。 The greater the workpiece thickness, the lower the precision, the greater the kerf width. Because the beam for conical, kerf width is also tapered, also is stainless steel, 0. 3 mm stainless steel than 2 mm stainless steel slitting is much smaller.
d。 The workpiece material had certain influence on the cutting accuracy. Same case, stainless steel than aluminum high cutting precision, aspect and more smooth.
2, cutting machine, cutting speed and cutting effect
the cutting burr, buckling, and high precision. For many mechanical and electrical manufacturing industry, because the computer program control of modern numerical control cutting system can cut different shape and size of the workpiece, it often is better than cutting, moulding process is preferable; Although die cutting machine processing speed is slower than, but it has no mould cost, do not need to repair the mold, also save tool changing time, saving processing costs, reduce the production cost, so the overall consideration is more economical. In the industrial manufacturing systems possess weight heavy metal processing industry, many metal materials, whether it is what kind of hardness, there can be no deformation of cutting. But, to the high reflectivity material, such as gold, silver, copper and aluminum alloy, because they are good heat conductors, so cutting is difficult, can't even cut.
add and cut in the process of cutting material are suitable auxiliary gas. Steel cutting when using oxygen as auxiliary gas exothermic chemical reactions and molten metal oxide materials, at the same time help to blow away the slag in the slot. Cutting polypropylene plastic using compressed air, flammable materials such as cotton, paper cutting using inert gas. Auxiliary gas entering the nozzle cooling focusing lens, can prevent dust from entering the lens holder in pollution lens and cause the lens to overheat. Cutting machine on the choice of cutting when the cutting speed is also very important, cutting speed range can be selected according to equipment illustrate or use the trials to determine, due to the material thickness, material is qualitative different, high or low melting point, thermal conductivity size and factors such as the surface tension of the after melting, cutting speed and the corresponding change.
the main performance:
a. Cutting speed increases reasonably can improve the quality of incision, namely a slightly narrow incision, incision surface more smooth, and can reduce the deformation.
b。 Cutting too fast makes the cutting line energy is lower than the required value, slitting cutting jet will be fast enough to melt in the melt blowing off immediately after to form a larger amount of drag, accompanied by incision, hang slag notch surface quality decline.
c。 When the cutting speed is too low, due to the anode is the plasma arc cutting, in order to maintain the stability of the arc itself and the anode spots or anode area must near the nearest arc cutting seam find conduction current place, at the same time to the jet of radial transfer more heat and thus make the incision width and incision on both sides of the molten material in bottom flange and solidified, form is not easy to clean, hang slag and incision on the edge formed by heat melt too much rounded corners.
d。 When the speed is very low, because of the wide incision arc may even go out. Thus, good cutting quality and cutting speed are inseparable.
3, the stability of the cutting machine
how to measure the stability of a cutting machine performance is good, is many to choose one of the biggest concerns of the problem. Now on the market of the common cutting machine is mainly composed of host, guide rail, gear and rack or ball screw, actuator etc, let's do a simple analysis from these parts.
host is composed of two longitudinal beams and end frame. Door frame machine is composed of side frame and beam, beam using moment type square tube structure, tempering to internal stress, high strength and rigidity, the bar can be installed on multiple mobile car body. Lateral movement device adopts drag chain. Mechanical parts to realize high precision gear rack transmission, equipment with high precision special refined from imported guide rail, and by the precision machining of sliding guide rail fastening on the basis of concrete or steel frame with support, and equipped with adjusting bolt, in order to install and adjust. The drive system in a longitudinal end of the longitudinal frame, the design of the low position make drive more reasonable and stable.
the longitudinal side at the bottom of the frame, there are two scroll wheel before and after along the guide rail smooth scrolling, front and back side is equipped with guide scrapings device to ensure the guide surface without sundry, guiding role on both sides at the bottom of the round eccentric clamping, cutting machine in order to ensure the orientation precision of the machine, the machine in the horizontal transmission, cutting torch movements are added high strength and linear guide rail ( Horizontal transmission or fine grinding with high precision guide rail. And precision machining gear and rack and vertical and horizontal transmission precision of the machine and eliminate the gap.
a, cutting machine, cutting accuracy
cutting machine with high precision, high speed cutting, cutting pattern without limit, and low processing cost, is gradually replacing traditional metal cutting processing equipment. At present the application range of the cutting machine is more and more widespread, and cutting precision of the cutting machine relates to processing technology, therefore is also a concern of the purchaser. Understanding of the cutting accuracy, a lot of people there is a misunderstanding. The cutting precision of the cutting machine is not actually depends entirely on the device itself, but is affected by many factors. Below, we to understand the simple, what factors affect the cutting precision of the cutting machine easily.
a. After focusing beam through the spot size. Bundle together after the light spot is smaller, the higher the cutting precision.
b。 Worktable of determines the cutting accuracy of repeat precision. The workbench accuracy is higher, the higher the accuracy of the cutting.
c。 The greater the workpiece thickness, the lower the precision, the greater the kerf width. Because the beam for conical, kerf width is also tapered, also is stainless steel, 0. 3 mm stainless steel than 2 mm stainless steel slitting is much smaller.
d。 The workpiece material had certain influence on the cutting accuracy. Same case, stainless steel than aluminum high cutting precision, aspect and more smooth.
2, cutting machine, cutting speed and cutting effect
the cutting burr, buckling, and high precision. For many mechanical and electrical manufacturing industry, because the computer program control of modern numerical control cutting system can cut different shape and size of the workpiece, it often is better than cutting, moulding process is preferable; Although die cutting machine processing speed is slower than, but it has no mould cost, do not need to repair the mold, also save tool changing time, saving processing costs, reduce the production cost, so the overall consideration is more economical. In the industrial manufacturing systems possess weight heavy metal processing industry, many metal materials, whether it is what kind of hardness, there can be no deformation of cutting. But, to the high reflectivity material, such as gold, silver, copper and aluminum alloy, because they are good heat conductors, so cutting is difficult, can't even cut.
add and cut in the process of cutting material are suitable auxiliary gas. Steel cutting when using oxygen as auxiliary gas exothermic chemical reactions and molten metal oxide materials, at the same time help to blow away the slag in the slot. Cutting polypropylene plastic using compressed air, flammable materials such as cotton, paper cutting using inert gas. Auxiliary gas entering the nozzle cooling focusing lens, can prevent dust from entering the lens holder in pollution lens and cause the lens to overheat. Cutting machine on the choice of cutting when the cutting speed is also very important, cutting speed range can be selected according to equipment illustrate or use the trials to determine, due to the material thickness, material is qualitative different, high or low melting point, thermal conductivity size and factors such as the surface tension of the after melting, cutting speed and the corresponding change.
the main performance:
a. Cutting speed increases reasonably can improve the quality of incision, namely a slightly narrow incision, incision surface more smooth, and can reduce the deformation.
b。 Cutting too fast makes the cutting line energy is lower than the required value, slitting cutting jet will be fast enough to melt in the melt blowing off immediately after to form a larger amount of drag, accompanied by incision, hang slag notch surface quality decline.
c。 When the cutting speed is too low, due to the anode is the plasma arc cutting, in order to maintain the stability of the arc itself and the anode spots or anode area must near the nearest arc cutting seam find conduction current place, at the same time to the jet of radial transfer more heat and thus make the incision width and incision on both sides of the molten material in bottom flange and solidified, form is not easy to clean, hang slag and incision on the edge formed by heat melt too much rounded corners.
d。 When the speed is very low, because of the wide incision arc may even go out. Thus, good cutting quality and cutting speed are inseparable.
3, the stability of the cutting machine
how to measure the stability of a cutting machine performance is good, is many to choose one of the biggest concerns of the problem. Now on the market of the common cutting machine is mainly composed of host, guide rail, gear and rack or ball screw, actuator etc, let's do a simple analysis from these parts.
host is composed of two longitudinal beams and end frame. Door frame machine is composed of side frame and beam, beam using moment type square tube structure, tempering to internal stress, high strength and rigidity, the bar can be installed on multiple mobile car body. Lateral movement device adopts drag chain. Mechanical parts to realize high precision gear rack transmission, equipment with high precision special refined from imported guide rail, and by the precision machining of sliding guide rail fastening on the basis of concrete or steel frame with support, and equipped with adjusting bolt, in order to install and adjust. The drive system in a longitudinal end of the longitudinal frame, the design of the low position make drive more reasonable and stable.
the longitudinal side at the bottom of the frame, there are two scroll wheel before and after along the guide rail smooth scrolling, front and back side is equipped with guide scrapings device to ensure the guide surface without sundry, guiding role on both sides at the bottom of the round eccentric clamping, cutting machine in order to ensure the orientation precision of the machine, the machine in the horizontal transmission, cutting torch movements are added high strength and linear guide rail ( Horizontal transmission or fine grinding with high precision guide rail. And precision machining gear and rack and vertical and horizontal transmission precision of the machine and eliminate the gap.
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