How to view for CNC lathe tool requirements

the nc lathe turning with the tool generally divided into three categories, namely pointed tool, circular turning tool and molding tool. Characterized by straight cutting edge tool generally called pointed tool. This kind of lathe tool tip is composed of rectilinear Lord, vice cutting edge, such as 90 ° internal and external circular turning tool, left, right facing tool, cutting ( Broken) Various cylindrical turning tool and the blade chamfering small and inner hole tool. With this kind of tool machining parts, the first by an independent generalization of parts appearance point or a linear displacement of the main cutting edge, after received it with the other two kinds of cutting tool machining parts summarized the principle of shape is very different. Circular turning tool is more particularly the nc machining tool. Is characterized by a main cutting edge of the blade shape for a roundness error or the line summarized through small circular arc; The circular blade every bit is the turning point of circular arc form, thus, knife site not on the circular arc, and on the arc of circle; Turning radius of circular arc theory has nothing to do with the shape of the processed parts, and demand can be loose judges or determination after the confession. When some pointed tool or molding tool tip has certainly arc shape, also can be used as this kind of tool use. Circular turning tool can be used in turning of internal and external appearance, especially suitable for cutting all kinds of smooth connection ( Concave) The molding surface. Molding tool known as model tool, the generalization of machining parts completely by turning the blade shape and appearance of the standard choice. In the numerical control turning processing, common molding tool has a small radius arc lathe tool, the rectangular slot car knife and threading tool, etc. In the numerical control processing, with or without forming tool should be less as far as possible. In order to satisfied the demand of the initiative in CNC lathe processing, and advances the product processing quality and producing power, save the tooling cost, should use more modularization and standardization of the cutting tool. Numerical control lathe can double as coarse and fine cutting. For rough turning to full depth, large knife, for rough turning tools high strength, good durability; Fine car first is to ensure the machining accuracy, so require cutting tool of high precision and good durability. For cutting tool change time and convenience for knife, should choose machine nipped dao all or many. Using the machine clamp knife to active preparation conditions against the knife. If say to conventional lathe machine clamp knife only a suggestion, so choose in nc lathe machine knife is a requirement. Machine tool blade, production of high precision, the clamping blade method to select more reasonable. Due to the machine clamp cutter with CNC lathe, generally do not add shim adjustment, so the point of high accuracy in production should be ensured. Share of length to diameter larger diameter tool rod, preferably with anti vibration structure. Inner diameter of cooling fluid had better introduce knife body, from head near the volcano. For blade, in most cases should be chosen coated carbide insert. Coating at higher cutting speed, > 100米/分钟) To show its superiority. General lathe cutting speed is generally couldn't get on, so using the carbide insert can not coating. Blade coating increase capital less than one times, and durability when used on nc lathe can increase more than two times. Numerical control lathe with the coating blade can progress in cutting speed, and then can progress processing power. General coating materials are titanium, titanium nitride, carbide and aluminum oxide, etc. , can also be on the same blade with several layers of different materials, become a composite coating. CNC lathes have higher request for the blade of chip breaker groove. High degree of initiative in CNC lathe, cutting, often in a closed environment, so it is difficult to for large chip in the process of turning to artificial treatment. If the chip off badly, it will be wrapped around the head, both may be crushed with the blade, the cutting surface strain. General lathe with carbide insert is generally 2 d chip breaker groove, and the numerical control turning blades often choose 3 d chip breaker groove. 3 d chip breaker groove of the way many, in general in the blade manufactory is already set into several kinds of specifications. It is the common characteristic of chip breaker performance is good, wide scale of chip breaker. About raw material parts in detail, after cutting parameter set, to pay more attention to choose the right blade groove type. Choose can make some theory in the process of discussion, but more important is real cutting experiment was carried out. On some occasions, can also according to the existing modified blade groove cutting parameters. For blade with high durability and it is beyond doubt. CNC lathe also requires the blade durability good consistency, so that the use of cutting tool life function. In the use of cutting tool life is dealt with, the blade durability setting standards is to put the minimum durability of blade blade as basis. In this case, the consistency of the blade durability and is more important than the average days. As to the accuracy, the same required accuracy good consistency between the blades.

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