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What are the effects of blank materials on NC vertical lathe?

2021-09-28 10:45:56
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The good performance of CNC vertical lathe determines the type of blank. The parts used in cast iron generally have forging blank, while the steel parts are relatively simple and the performance is not very high. We will choose bar. If it is an important steel part, it needs to have good performance and try to use forgings. The part structure and external size are relatively simple. The blank of NC vertical lathe sometimes uses free forging. If the structure is complex, we will use forging.


To use new technology, new materials and new energy to improve the machining rate of machinery, of course, we also want to think of multiple applications such as cold rolling, precision forging, extrusion and metallurgy, which can reduce the workload of machinery without processing it.


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The technological characteristics and mechanical functions of part materials roughly determine the types of blanks. Steel parts are commonly used when the shape is simple and the mechanical function requirements are not high. For important steel parts, forgings should be selected in order to obtain good mechanical function. When the shape is complex and the mechanical function requirements are not high, steel castings should be used; Non ferrous metal parts are commonly used as profiles or forging blanks.


The parts with simple structure are mostly forged by sand mold or free forging; The blanks with complex structure are mostly forged; Small parts can be made of die forgings or pressure forging blanks; Multi purpose forging blank for plate steel parts; For the blanks of shaft parts, if there is little difference in step diameter, bars can be used; If the size of each step varies greatly, forgings should be selected. When determining the blank, it must be combined with the production premise, such as the actual level and ability of on-site blank manufacturing, the possibility of outsourcing, etc., otherwise it will be unrealistic.


In order to save materials and energy and improve the production rate of machining, the application of precision forging, cold rolling, cold extrusion, powder metallurgy, special-shaped steel and engineering plastics in NC vertical lathe should be fully considered, which can greatly reduce the amount of machining, or even do not need processing, and the economic benefit can be seen.


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