At present, many steel deep processing uses a large number of CNC cutting products when cutting various metal plates and pipes. For example, a portable CNC cutting machine can be used for the displacement of movable plates through his lightweight advantages. In addition, when they encounter cutting of large-size metal sheets, they will choose the Gantry CNC cutting machine, because this cutting machine has a bilateral drive, making it more stable when cutting sheet metal. Because it is a gantry structure, it has large specifications, large format, and high stability. Sources are favored by customers. In production practice, people have a common concept: using numerical control equipment, can get high-precision, high-efficiency use results; in the same type of equipment, imported, high-end configuration of equipment, with higher accuracy and higher production effectiveness. Stainless Steel Precision Casting
Stainless steel precision casting or stainless steel investment casting, silica sol process. It is a casting process with little or no cutting. Cast stainless steel is an excellent process technology in the foundry industry. Its application is very extensive. Stainless steel cast not only applies to the casting of various types and alloys, but also produces the dimensional accuracy of castings. The surface quality is higher than that of other casting methods, and even castings that are difficult to cast and which are difficult to cast have high temperature resistance and are not easily processed can be cast using investment casting.
In wax pattern process,we mix stearic acid and paraffin wax in wax pattern making,as you know,it is better than polyethylene,and the wax deformation is small.
In shell making,we adopt automatic sand-covering production line, which was invented under the guidance of our general manager.The indoor temperature was controlled by air-conditions,keeping the temperature at 24℃±1℃, which can make the castings much more stable,the internal tissues much more well-proportioned.
In shell hardening process,we use aluminium chloride to harden the shell.This can make the shell so hard that it can`t be distorted,at the same time the bug which the casting may have will be decreased.If there are letters or numbers in it,they will be much clearer.
In dewaxing process,about 95% of the castings suppliers adopt the original water dewaxing technics,but we using the advanced steam dewaxing technics,which we are very proud of.This can effectively avoid the air-hole and sand-hole,making the casting look much nicer.
In smelt process,we use middle frequency furnace,avoiding the emergence of the oxide; in molten steel control part,we use Germany-imported direct reading spectrometer machine,assuring its quality before the molten steel out of the furnace.During this process we use ERP production and management software to get the feedback information.
In shell-knock out process,we have special machines,which can decrease the hitting and knocking, easily made by manual shell knocking out.
In shot-blasting process,we have crawler-type and hanging shot-blasting machine,with steel shot 0.5-0.8,making the products smooth.Of course,if the customer wants it look much nicer,we also can carry out sand-blast treatment.
In heat treatment process,we use electric furnace,and adopt double-temperature control in order to heat the products equally.As a result, the products will have great metallurgical structure.
Our tolerance can reach at the grade of 5-7 according to our country`s tolerance standard.
In machining process,we have 12 CNC machining centers and some other machines, so we can make further machining if the customers need.
Products in stainless steel cast factory divide into pump valve accessories casts, food machinery casts, and architectural hardware casts.
Stainless Steel Precision Casting, Stainless Steel Investment Casting,Investment casting products,Cast Stainless Steel Wei fang junlong precision casting Co.,Ltd , https://www.junlongcasting.com
In the cutting industry, regardless of the flame cutting or plasma cutting, the cutting width is affected by many factors such as the cutting nozzle. No matter how high the accuracy of the equipment itself, the accuracy of the parts cut by it is generally inaccurate. About ±0.5mm, the error is several orders of magnitude higher than the device itself. That is, it can only be done if millions of huge amounts of money are spent on imported CNC cutting machines. This is determined by the cutting process and method of the flame or plasma. In any case, it cannot obtain the same high standard of machining precision as other CNC equipment such as CNC lathes. In other words, whether the accuracy of the device itself is 6 or 8 is not very important. From the point of view of production efficiency, the speed of cutting is based on flame cutting, for example, depending on factors such as the thickness of the plate, nozzle type, oxygen purity, and gas quality. The moving speed of the equipment should meet and adapt to the requirements of the thermal cutting process. In other words, the cutting efficiency is not directly related to the equipment itself.
In general, the CNC cutting machine still embodies "relative high precision and high efficiency." This kind of "relative" is based on manual cutting and it is not a concept with the improvement of machining accuracy and efficiency.
From the above analysis, it can be seen that neither the domestic nor the imported CNC cutting machines will have much difference in terms of cutting accuracy and production efficiency. Therefore, Wuhan Pioneering CNC Technology Co., Ltd. believes that for the flame numerical control cutting machine or plasma numerical control cutting machine, due to the limitation of the processing technology, it is a “roughing†device relative to a type of finishing equipment such as a “machining centerâ€. It is unscientific to pursue the so-called "high-end configuration" aimed at improving the accuracy and efficiency of processing, as with a type of finishing equipment such as a "machining center." Instead of using the most expensive components on the device, the device becomes a high-end device. In general, the use of a flame CNC cutting machine or a plasma CNC cutting machine is a result of the use of "coarse grains." They are not comparable to laser cutting, so whether flame cutting or plasma cutting, it is impossible for them to achieve the fine effects of lasers.
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