Vertical milling operations on the milling machine milling or milling should be, how not to break the knife, listening to the teacher said, milling the surface must be solid, but I think, regardless of the milling or milling are solid ah, how to understand?
Relatively easy to break down milling cutter for feed screw is the direction of rotation of cutter gap and feed direction of the same cutting depth is less than the cutter radius will cause the tool holding the workpiece (or table) ran backward phenomenon (especially the old machine) when the milling must try to tighten the lock nut to choose power feed engagement after more than the cutter radius (the so-called solid) won't have these problems if we choose the appropriate inverse milling depth and feed speed is not broken. The ratio of milling is much safer.
In the milling machine, in general, are rarely used in inverse milling, milling. Unless you can eliminate the gap screw milling machine, or else it will be Taiwan. Sometimes in milling, little allowance: for example, under the condition of machining allowance of 0.10~0.20mm, can use the method of down milling, then not a knife.
In the milling machine, milling normally the method is the inverse milling, milling is rarely used; unless it can eliminate the gap in the processing of screw milling machine, this time is allowed to go down milling processing, otherwise will prevent, serious or even broken. Sometimes in milling, the machining allowance is seldom the case: for example, the machining allowance of 0.10~0.20mm, can be used for milling, then they will not.
