What is the difference between CNC and 3D printing?

The CNC machining and manufacturing industry of traditional product parts has experienced a long-term development trend. At this stage, it has already had a complete set of specifications, whether it is spindle bearings, CNC blade sockets (interface), or control system software (system ), but the three-d printing (that is, a kind of rapid prototyping technology) industry lacks such specifications at this stage, and the creation of specifications usually takes a long time.

Many CNC machining reduces the total number of work clothes, and there is no need for complicated work clothes to process complicated parts. If you want to change the appearance and specifications of the part, you only have to change the part processing procedure, which is suitable for new product development and civilian use. Compared with CNC machining, manual machining has great advantages. For example, the parts produced by CNC machining are very accurate and precise; CNC machining can produce parts with complicated designs that cannot be performed by manual machining. The technical nature of CNC machining has been widely promoted. Most machining workshops have the ability to work with CNC machining. The most common CNC machining methods in typical machining workshops are CNC machining centers, CNC machining centers and CNC machine tools EDM wire cutting ( Spark discharge wire cutting).

CNC lathe processing is a general term for computer-controlled CNC lathes. It is an automatic technology CNC lathe equipped with a program flow automatic control system, which can make the CNC lathe posture and process parts according to the programmed program flow. It integrates new technologies such as mechanical equipment, automation technology, electronic computers, precise measurement, and electronic optics. The basic structure includes the processing procedure plasmid carrier, CNC machine tool equipment, servo motor drive equipment, the main body of the CNC lathe and other auxiliary equipment. The above three points should probably be clear to everyone.

The summary (zǒngjié) means:

1. 3D printing (a kind of rapid prototyping technology) is more playable, and can print a variety of weird and strange prototype models or product solid models, and the playability of CNC machining of product parts There will be certain limitations. In a nutshell, 3D printing (a kind of rapid prototyping technology) processed prototype prototypes (fànwéi) than the product parts CNC processing, CNC is restricted by the CNC blade socket (interface), etc. , Its category (fànwéi) is lower than three-d printing (a kind of rapid prototyping technology).

2. One thing that is not mentioned is that, in fact, 3D printing (a kind of rapid prototyping technology) is not as good as CNC machining of product parts in terms of printing overall parts, especially large parts, using three d Printing (a kind of rapid prototyping technology) is generally difficult to maintain, while CNC machining of product parts does not have this problem (Emerson).

3. The CNC machining prototype prototype of the product parts has more advantages in price than the three-d printing (a kind of rapid prototyping technology) (Expression: the beneficial situation that can run over the other party). 4. The result of the difference between the two is that three-dimensional printing (a kind of rapid prototyping technology) gives you whimsical works or products that are enough to be processed and presented in front of you, while CNC is in economic development (jīngjì). ) It is more advantageous to make samples of large and medium-sized prototypes.