Make flexible line (Flexible Manufacturing Line) by automation treatment facilities, workpiece carries the composition such as system and control system. Flexible production line FML and flexible the bounds between production system is very ambiguous also, both important distinction is former elephant rigid transfer matic is same, have certain manufacturing metre, the job conveys along certain directional order, latter does not have certain manufacturing metre, the deferent direction of workpiece also is random nature. Flexible production line basically applies to breed to change not big in approve and big batch production, on-line machine tool basically is box of much axis main shaft change box type and turn tower type machining center. After alternating in workpiece, the main shaft box of each machine tool can undertake automatically changing, transfer into at the same time corresponding numerical control program, manufacturing metre also can make corresponding adjustment. Flexible the main good point of production line is: Have the majority advantage of rigid transfer matic, become when batch is very not big, manufacturing cost is lower than rigid transfer matic much, when breed is changed, the settling time that systematic place needs is gotten lesser than rigid transfer matic again much, but the total cost that builds a system is gotten higher than rigid transfer matic however much. Invest to save sometimes, improve moving efficiency of the system, flexible the form that production line often uses firm soft band, namely the one part equipment of product line uses rigid and special device (basically be modular machine tool) , another part is used change case or change Dao Shirou sex to machine a machine tool. 1, the know exactly about sth of automation treatment facilities that automation machines equipment to comprise FML charges a machine tool, can change machine tool of main shaft box. Can changing machine tool of main shaft box is interpose a kind of between machining center and modular machine tool type intermediate. Can change main shaft case there is library of main shaft box all round the machine tool, change according to machining the need of workpiece main shaft box. Main shaft box is much axis normally, can change machine tool of main shaft box to undertake to workpiece much face, much axis, much knife is machined at the same time, it is a kind of efficient machine tool. 2, the work that workpiece carries systematic FML carries system and rigid transfer matic similar, use all sorts of conveyer belt to carry work, the flow direction of workpiece and treatment order are consistent, ordinal stand through each treatment. 3, cutting tool can change jacket of main shaft box to have many cutting tool, itself of main shaft box is having the effect of cutting tool library, the installation of cutting tool, adjust general by undertake artificially, use time and compulsive change a knife. Flexible what the graph on production line sketch map is spare parts of one treatment casing is flexible transfer matic sketch map, it by 2 decorate CNC Milling opposite side, 4 two two on decorate turn tower type changes box machine tool and an abide type to change composition of box machine tool. Use roller path conveyer belt to carry work. This transfer matic looks and rigid transfer matic is distinguished without what, but it is had certain flexible. FML has the certain feature of rigid transfer matic and FMS at the same time. In flexible on be close to FMS, rigid transfer matic is close to on productivity. CNC MillingCNC Machining