Go up from machinery and character, the machine tool that the traversal speed of major machine tool can run than each factory is actual rate is a lot of rapidder. Because,this is, below major case, former outfit controller cannot enough process data quickly, let a machine tool achieve its to design the limit. For example, an enlistment age is vertical machining center of 20 years, can with 300 ～ 400 inches / minute rate moves. But if system of its numerical control cannot enough process data quickly, tall perhaps speedread enters mass data, so the machine tool will not move accurately when adjacent and top class speed. This is controller of constant speed of MTI of development of entrepreneur Carlo Miceli (CVC) reason. This system can assure higher processing capability, smoother machine tool moves, and can run CAM software directly in terminal of machine tool controller. But, the most important is, it makes actual handling time approach the time of process designing set more. Miceli says: "The machine tool feed of process designing set issues ability to achieve in approximately ideal situation only, and can hold a few seconds of time only every time. This has a large number of reasons among them, but important is the 30 ～ that the member that average treatment speed has process designing only appoints 40% . And the 80 ～ that CVC system can achieve rate of process designing set commonly 90% , perhaps say to compare average system fast 2 ～ 3 times. " the company of Miceli, namely Miceli technology limited company, buy is embedded in its CVC controller a certain number of great advanced techniques, include among them most the program of 50000 block carries out 8 interpolation axis and every second speed, and every second also can carry out general and best CNC controller only 2000 ～ 3000 block. CVC controller contains 80 high accuracy new-style bumper undertakes algorithm of go ahead of the rest is calculated, and a certain number of travel code are used commonly on CNC -- also have a bumper only namely. CVC every second has 4 million times at most (servo electric machinery) coder computation, because this can realize highest closed circuit feedback, at the same time the system can realize 15 motion to control precision, reach be less than 1? The smallest resolution of M. The another major advantage of CVC controller is, transform old machine tool to be able to save plant cost with it, such as is located in city of A Erbai tower Calgary protecting true machine tool and mould solution company is this respect very good paradigmatic. Protecting is company of a pattern of American that note model really, its business 50% the left and right sides is common reach CNC treatment. Like major other plant, protect true company to also have the innovation business that gives because of capital is not worth and forcing in great quantities decision-making. Because of capital account, protect bought to produced VMC15 of machining center of vertical of two gimmick path low-costly 1997 really, the CVC that uses Miceli technology limited company next undertakes transforming. This CVC system gives maintaining the processing that offers really and communication ability was not restricted, and can input the program of aleatoric size and need not fear overweight or machine tool burden won't be enough transmit data quickly to the machine tool. Keep one of true partner, jeff Litster says: "Transform to maintain of good, moderate volume secondhand vertical machining center was spent about 120 000 dollar. This is to buy dollar of 750 000 of price of congener new machine tool -- the budget that this price was head and shoulders above us -- 1/6 left and right sides. We obtained a cost accordingly the machine tool that low, function exceeds high-grade new machine. " true to protecting and character, although take the CVC of function of go ahead of the rest to machine hundreds of inches when what have / minute speed is very useful, but high accuracy also at least likewise important. The major work of the company is less. For example, outside the size that core of model of the model that note model and housing are novel of a paperback about, the workpiece of this kind of dimension is the main treatment object of the company, every week has 3 ～ about such 4 treatment are vivid. Litster says, these little work -- it is 6 × normally 8 × 3 inches, compare major work to be machined harder actually, because be inside modular core and housing,machine area very small. Also increased difficulty the geometrical structure that achieves very small cutting tool, close radius public errand, hard. The factory uses a diameter to have 0 only. 015 inches ball head milling cutter undertakes machining. Litster points out: "This kind of treatment, do not have clearance almost to cutting tool, because motion of this all cutting tool must want accurately control. " beyond except model, the factory still makes the pattern of other type, among them the surface is bright and clean degree of special from beginning to end key. Any blemish of mould surface are come to by winkle in the metropolis in finished product, when because this is in,carrying out working procedure of final precision work, need assures as far as possible smooth machine tool moves. Pass this controller, protect can use method of smaller cutting tool of set of tolerancepublic errand process designing really, because this can control cutting tool better, help the appearance with be formed better bright and clean degree. Using other when the machine tool that does not take CVC controller, the company must relax tolerancepublic errand, lower machine tool rate, in order to make sure exterior surface roughness satisfies a requirement. In addition, CVC still reduced cutting time 1/3, the program that need runs 1 hour previously wants 40 minutes only now, the surface is bright and clean at the same time spend and cutting tool life rises further. Because can be on as identical as controller CPU and interface,install CAM software, the company reduced the journey time between working center and machine tool accordingly, still eliminated the account that must run not quite perfect program occasionally or excuse at the same time. Improved efficiency not only so, still help at the same time operator understands cutting cutting tool and better limit of process designing set. Operator is OK be close to target parameter to undertake process designing more for a short while. CNC Milling
CNC Machining