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2018
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06
The characteristics of high speed machining and high efficiency of CNC milling machine
CNC milling machine sales machine and the characteristics of high-speed machining and high efficiency, compared to traditional milling, CNC milling machine cutting tool installation method required higher milling tool rigidity, strength, durability and accuracy of the tool will directly affect the machining adjustment efficiency itself, will directly affect the machining process of the workpiece dimensional stability, machining accuracy and surface cutting tool quality, reasonable choice is an important part. 1. Hole cutting tool second-hand CNC milling machine 1) Generally, there is no hole CNC machine tool processing module. Due to the rigidity and poor drill bit, the diameter D of the drill bit should meet the requirements of lunch/dinner ≤ 5(L to drilling depth)
CNC milling machine sales machine and the characteristics of high-speed machining and high efficiency, compared to traditional milling, CNC milling machine cutting tool installation method required higher milling tool rigidity, strength, durability and accuracy of the tool will directly affect the machining adjustment efficiency itself, will directly affect the machining process of the workpiece dimensional stability, machining accuracy and surface cutting tool quality, reasonable choice is an important part.
1. Hole cutting tools used CNC milling machine
1) General non-hole CNC machine tool processing module, due to the rigidity and poor drill bit, the drill bit diameter D should meet the conditions of noon/dinner ≤ 5(L to drilling depth).
The first 2 use the position of the center drill hole), hole processing to ensure accuracy.
3) Floating reamer is optional for precision reaming, and chamfer before reaming.
4) Boring should try to use a symmetrical multi-blade boring head cut to balance the radial force to reduce vibration boredom.
5) Try to choose thick and short shank to reduce cutting vibration.
2. Milling tools Used CNC milling machine
1) Pretending not to reset the grinding hard alloy indexable milling cutter is mainly used for flat, rough milling cutter diameter is small, selection, precision milling cutter diameter, when a large number of elections, the tax allowance is large, I am not balanced, the choice of tool diameter is small, otherwise it will cause too deep, because at that time the tool mark affects the processing quality of the workpiece.
2), or the three-dimensional surface profile of the workpiece usually uses spherical milling cutters, ring milling cutters, drum cutters, taper cutters, disc cutters, and variable angles.
3) high speed steel milling cutter processing groove convex set and use. If the allowance is small and the surface roughness is high, the choice of nitride insert or inlaid ceramic insert cutter cubic boron nitride insert.
4) Rough rough surface or holes can be used for heavy cutting of corn carbide blades.
5) Requires higher accuracy can choose the groove width than the diameter of the milling cutter, the first milling, sale and milling cutter radius compensation on both sides of the groove CNC milling machine using a smaller middle part.
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