Difference 3d printing and CNC hand in hand
1, various processing principle: 3d print layering principle is used, i.e. the material under the action of the first laser to form a layer, and then superimposed on the second layer, so Repeatedly, until the complete palm print, just sla material is a liquid state, but sls processing material is a powder; and the principles of CNC machining CNC machine tools The processing tool in accordance with the instructions of the program under certain raw material in the above path carved, hand gong board prototype. 2, range of processing different: 3d print materials processing Mainly plastic materials, such as photosensitive resin, abs, etc., and the scope of its processing is relatively limited, usually no more than 600mm, larger than this size, then you need to split Member to print, the cost of such a large palm print hair is also very high. You think about it, 3d printing is in accordance with the weight of raw material to be charged, such a big hand,The raw material is also very much needed. The CNC machining of material is more extensive, almost all of the plastic processing and metal (such as stainless steel, aluminum, etc.) And its stroke is relatively large, at least one meter above all, like gantry machine, processing range and even the whole working range of two to three meters. 3, molding Hand different characteristics: As used 3d printing material is liquid, so 3d palm print features smaller than CNC machining out of hand. In strength, 3d printing Hand strength molded relatively poor, playing in the top screws are prone to cracks; in terms of temperature, CNC machining pc hand out at a high temperature of 90 degrees will not Deformed, while in the case of printing 3d 60 degrees will be deformed. CNC machining hand because it is directly above the plate, so characteristic in all aspects better. 4, fine Different degrees: 3d palm print out rough, low precision; and high precision CNC machining out of hand, generally up to plus or minus ten wire, high-speed drill Center attack machined metal palm on the accuracy can reach 0.05mm. More referrals from processing principle, processing range, prototype characteristics and accuracy of these aspects Shao distinction 3d printing and CNC machining palm of hand.
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