Is NC programming difficult to learn?

Numerical control programming is more difficult.

Usually students need to study 1 to 2 years of systematic study to master it. The learning characteristic of NC programming is to describe the geometric shape, machining technology, cutting parameters and auxiliary information of the machined object according to the rules in simple and customary language, and then the computer automatically carries out numerical calculation, tool center motion trajectory calculation and post-processing to generate a part machining program sheet, simulation of machining process.

NC programming learning needs to master the machining procedures of parts with complex shapes, non-circular curve contours, three-dimensional surfaces and so on. Using automatic programming method is efficient and reliable. In the process of programming, programmers can check whether the program is correct in time and modify it in time if necessary.

Because the computer replaces the programmer to complete the tedious numerical calculation work, it saves the workload of writing the program list, and the programming efficiency can be improved by dozens or even hundreds of times, which solves many programming problems of complex parts that cannot be solved by manual programming.

Introduction to NC programming

Computer numerical control refers to the numerical control machining center, that is, the kind in which ordinary machining machines become computer controlled. Numerical control machine tool is a mechanical and electrical integrated processing configuration with high technical integration and automation, and it is a product that comprehensively applies high-tech skills such as planning machine, active control, active detection and precision machine.

With the growth and popularization of CNC machine tools, the demand for skilled talents who know both CNC machining skills and CNC machining programming will continue to grow. CNC lathe is one of the most widely used CNC machine tools. In this paper, the step style in NC lathe parts processing is discussed.

Fundamentals of programming

There are two main points in NC programming: manual programming and automatic programming. Manual programming refers to an important manual programming process from part pattern analysis, process treatment, data planning, step list compilation, step input to step verification. It is very practical for point-to-point machining or parts with less messy shapes, as well as sites with rough planning, few steps and easy programming.

However, how many parts with chaotic shapes are needed (especially those composed of spatial surfaces) and how many parts without chaotic elements but with a large number of style steps are easy to degenerate due to the tedious work of planning numerical values during programming, and the verification of steps is difficult to be completed by manual programming, so active programming should be adopted.

The so-called active programming means that most or all of the step-by-step labor is completed by a planning machine, which can effectively deal with the processing titles of chaotic parts and is also the future growth trend of NC programming. At the same time, we should also see that manual programming is the basis of active programming, and many core experiences of active programming come from manual programming, which complement each other.