Spaceflight aviation industry of China is growing quickly, using advanced processing technique and device is the urgent affairs of each spaceflight airline, the article introduced Cincinnati Machine company and company of DS Technologie Gmbh(DST) to form strategic alliance, can buy the head of much axis main shaft that must develop by DST from Cincinnati Machine now, it can use the chance that improves aluminium make structural member of thin wall plane to add performance. Cincinnati Machine company and company of DS Technologie Gmbh(DST) announce the strategy is allied, the machine tool that will provide two allied companies to industry of aviation of American of north and south through Cincinnati Machine from now on, service and technology are assisted. Allied the most important and paradigmatic one of it is now the head of much axis main shaft that can buy so that develop by DST from Cincinnati Machine, it uses the chance that improves aluminium to make structural member of thin wall plane to add performance. Graph 1: Head of Z3 main shaft is DST development, can buy from Cincinnati Machine now, it makes main shaft can undertake the much axis of high rate locates, in the meantime, acceleration 1G and quick horizontal stroke move the characteristic such as speed 1968 Ipm and 7500-4000rpm of limits of choice of main shaft career and power 100hp to supplement each other. The main shaft head of this kind of alleged Z3 resembles tripod of connective of parallel of way of a standard, it used 3 parallel linear slideway and ball guide screw, pass join install them to main shaft bracket. This component can make main shaft works in main shaft head the synthetic movement that any linear motion and circumgyrate exercise basically achieve in limits. To make the working principle visualize of this component, can imagine 3 parallel level lever, they have one aspect of the matter to receive main shaft hood repeatedly severally. Every lever overspreads through connect of ball and socket and main shaft outside Zhou Xianglian, each other position differs 120 ° , make main shaft is overspread can circumgyrate. The other one aspect of the matter of 3 lever uses contact to join to slide block, the parallel that slide block edge is losing Z axis direction to be secured in a group slides on linear slideway. Of slide block below it is nut of ball silk lever deputy nut, guide screw passes it and rotate. Graph 2: Can see the structural characteristic of head of Z3 main shaft from this sketch map, 3 join (A) is added install main shaft bracket (on B) , they along a group of linear slideway (C) is mobile, and by ball guide screw (D) tries drive, every ball guide screw is independent, they can determine the position of main shaft below programme controll, position limits is axis of A, B is losing 40o, z axis journey 26. 4 inches. 3 ball guide screw has his servo electromotor severally, when every guide screw is rotational, corresponding slide block can drive main shaft to wrap campaign. 3 ball guide screw simultaneously by drive when, main shaft overspreads an edge to losing Z axis direction to make linear motion. Want to undertake gyral alone with programme controll guide screw only, main shaft bracket and main shaft can produce motion of axis of A, B, the limits that axis of A, B moves is to losing 40 ° . Use layout of parallel connective triangle to make main shaft is had very tall move, static stiffness, and decrease as a result of what design quality, the axial of head of Z3 main shaft is added, decrease speed to achieve 1G, fast feed speed is 1968ipm. According to Cincinnati Machine report, the Z of head of Z3 main shaft to the journey only 26.
4 inches, the deepness that the reason is aviation component asks not to exceed 12 inches mostly. The limitation of the journey increased the stability of main shaft head, can machine the thin wall place of plane aluminous structural member better so. Head of Z3 new-style main shaft applies to speed to be 7500 ～ the electric main shaft of 40000, its structural design allows to use the main shaft of 100hp less than. Z3 can cooperate to use the main shaft of 3 different names now, offerred opportunity of a choice for the user, they can machine utility according to what differ and choose speed and moment. At the beginning Cincinnati Machine will use head of Z3 main shaft on milling machine of profile modeling of horizontal of its Hypermach series, these machine tools are special agree with the high speed milling of plane structural member. CNC Milling
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