Vmc Cnc V1370

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The vmc cnc V1370 can choose four axes, the following is a detailed introduction for you:

Special function 1S

<Gear box>

The machine tool can choose a gearbox transmission structure with a transmission ratio of 1:4/1:5.5 and a torque amplification of 4–5 times, which is suitable for low-speed heavy cutting and high-speed finishing.

Special function 2S

<Angle Milling Head>

It can be installed with various angle milling heads, manual corners, and multi-face machining at one time, with good accuracy and high efficiency.

Special function 3S

〈Four-axis turntable〉

Four-axis CNC turntable can be used for both vertical and horizontal use. For bar processing, the turntable is vertically fixed on the worktable, and fixed on the indexing head through the chuck and tailstock to realize the automatic indexing function at any angle of 360°. The setting unit is 0.001°, which supports four-axis four-linkage function.

Special function 4S

〈Five-axis turntable〉

The five-axis CNC turntable can process five faces in one clamping, reducing the number of clamping, maintaining accuracy, and realizing the automatic indexing function at any angle of 360° within the horizontal and vertical range. The setting unit is 0.001°, and it supports five-axis and five-linkage function.

Special function 5S

<Center water outlet function>

Optional spindle center water outlet function, with strong drilling ability, good chip removal effect, and good cooling effect.

Parameter

Vmc cnc 850  random accessories

Adjust the horn

Certificate of conformity

CNC system manual

Machine tool manual

What is the difference between FANUC and Siemens systems on Vmc Cnc V1370?

1. The similarities and differences in the structure of CNC machining programs

The NC machining program is composed of three parts: program start, several program segments, and program end.

Each program corresponds to a program name (ie program number). The extension of the main program of the SINUMERIK 802D system is MPF, which is automatically input by the system; while the extension of the subprogram is SPF, which must be input together with the file name. In the FANUC 0i system, the program numbers of the main program and the subprogram are the same, and both consist of the address "O" and the following 4 digits, such as O1111.

2. The similarities and differences of programming instructions

2.1 The method of expressing the coordinate value of the target point

The coordinate value of the target point in the program is expressed in coordinates or incremental coordinates, G90 and G91 respectively.

The SINUMERIK 802D system can also be set in size or relative size through AC or IC in the program, making programming more flexible.

2.2 Basic displacement instructions

There are four basic displacement commands: G00, G01, G02, and G03. The programming format of G00 and G01 is basically the same. But the circular interpolation commands are different: for FANUC 0i system, circular interpolation has end point/arc radius and end point/circle center coordinates, while SINUMERIK 802D system also has opening angle/circle center, opening angle/end pole Coordinate programming mode, and programming mode of circular interpolation through intermediate point and tangent transition.

2.3 Tool radius compensation command

When the part contour is milled, the actual contour size of the part is affected due to the tool radius size. In order to avoid calculating the tool center trajectory, the CNC system provides a tool radius compensation function, so that the programmer can directly program according to the size of the part drawing.

(1) Common points

a. Instructions and functions

G41 is the tool radius left compensation command, that is, when viewed along the tool travel direction (assuming the workpiece is not moving), the tool is always on the left side of the workpiece contour; G42 is the tool radius right compensation command; G40 is the cancel tool radius compensation command.

b. Programming format

Establish tool radius compensation: G17(G18,G19)GO1(G00) G41(G42)XYD;

Cancel tool radius compensation: G17(G18,G19)GO1(G00) G40XYD;

Several explanations: Firstly, radius compensation must be performed in a certain plane; secondly, establishing and canceling radius compensation must be used in combination with G01 or G00 instructions; thirdly, X and Y in the program are the coordinates of the end point of G01 and G00 movement; Fourth, the D code refers to the storage address of the tool offset. The offset can be input in CRT/MDI mode.

(2) Difference

In SINUMERIK 802D system, G41 and G42 can be directly converted to each other, without G40 to cancel tool compensation. But in the FANUC 0i system, when the tool compensation direction is changed, the tool compensation must be cancelled through G40 before a new tool compensation can be established.

2.4 Tool length compensation command

Processing a workpiece often requires multiple tools, and the length of each tool is different. The tool length compensation function provided by the CNC system can ensure the correct processing of the workpiece. The length dimension offset is input in CRT/MDI mode.

For SINUMERIK 802D system, after calling the tool, the tool length compensation is automatically effective. The FANUC0i system needs to be set:

(1) Instructions and functions

G43, G44 are to establish positive and negative tool length compensation, and G49 is to cancel tool length compensation.

(2) Programming format

Establish tool length compensation: G43(G44)G00(G01)ZH;

Cancel tool length compensation: G49G00(G01)Z;

2.5 Canned cycle function

In order to improve the efficiency of programming, the numerical control system is equipped with a fixed cycle function, that is, a program segment is used to express some typical fixed and continuous actions in the processing process. For example, use canned cycle commands to process holes or slots.

(1) SINUMERIK 802D system canned cycle function

Refers to the process subroutine in a specific processing process. Various cyclic functions can be realized as long as the parameters are changed.

The meaning of the basic parameters used in the canned cycle is shown in Table 1 below, and the parameter diagram is shown in Figure 1.

(2) FANUC 0i system canned cycle function

The canned cycle instructions include 6 basic actions: positioning in the XY plane, rapid traverse to the R plane, hole cutting, hole bottom movement, returning to the R plane, and returning to the starting plane, as shown in Figure 2.

Programming format: G90(G91) G98(G99) G73～G89 XYZRQPFK.

Table 1 Basic parameters of SINUMERIK 802D canned cycle

3. Conclusion

With the wide application of CNC machining technology in the manufacturing industry, CNC machine tools have gradually become popular. Mastering the similarities and differences in programming methods of these two types of typical CNC systems will help programmers and machine operators to use CNC machine tools proficiently.

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