Is the process of tool setting of CNC milling machine the process of establishing the coordinate sys

No. Tool setting is to set the workpiece coordinate system, not to establish the workpiece coordinate system.

The setting is to store the position of the origin of the coordinate system in a coordinate storage unit such as G54G55, and the establishment means that the instructions such as G54G55 are executed, and the corresponding workpiece coordinate system really takes effect.

The tool setting will record the origin of the workpiece coordinate system, but this origin will not take effect until it is executed by the command - this is when we say "the workpiece coordinate system is established".

Determination of tool change points.

In the process of CNC milling machine processing, it is inevitable to encounter multi-tool processing, whether it is automatic tool change or manual tool change, it is necessary to determine the position of the tool change point.

Therefore, determining the tool change point is very important for the accuracy of the CNC milling machine during multi-tool machining. Under normal circumstances, the tool change point is determined based on the principle that the tool, fixture and workpiece are not allowed to be damaged, and the tool change point is outside the contour of the processed workpiece, and a certain safety space is left.

The minutes are the coordinates that are established, and the tool setting is the location of the workpiece and the tool.

Instead of saying that, you should let the computer determine the position of your tool relative to the workpiece.

The coordinate system of the machine tool jury beam is defined by the manufacturer when it is designed, and it is the coordinate system inherent in the machine tool itself, and its mechanical origin is also fixed, and its position is determined by the mechanical stop, which cannot be changed at will.

The workpiece coordinate system is the coordinate system set by the programmer himself when programming.

The coordinate system of CNC machining machine tools is mainly divided into machine tool coordinate system and workpiece coordinate system.

The coordinate system of the machine tool is the coordinate system established by the hardware system of the machine tool, which is fixed at the zero point of the grating or encoder of the machine tool itself. In CNC machine tools, G53 is generally used as the coordinate system of the machine or object bed.

The workpiece coordinate system is artificially set on the basis of the machine tool coordinate system, that is, a new coordinate system is established in the machine tool coordinate system, the common ones are G54-G59, and, etc. The workpiece coordinate system is a temporary coordinate system set for the convenience of workpiece processing, which can be changed at any time through the coordinate system setting interface of the system.

Which coordinate system is used by the CNC machine tool depends on which one is selected in the machining program.

The difference lies in the different origin settings of the three, which are as follows:

1. The mechanical coordinate is the coordinate value determined with reference to the origin of the machine tool, and the origin of the machine tool is the objective point assumed by the manufacturer, which is the premise of absolute coordinates and relative coordinates. As long as the machine is determined, it will always be determined.

2. The absolute coordinate is the position of the current tool relative to the origin of the workpiece to be machined (such as G54XOYO). In this case, the coordinate values come from a specific workpiece coordinate system. As long as the workpiece is selected, it is determined.

3. Relative coordinates are the coordinates of one point relative to another. It can be changed at any time, and it can be cleared at any time.

The preset coordinate value of the position of the cutter shown in the workpiece coordinate system after trial cutting is manually input into the corresponding tool compensation unit of the CNC lathe through the machine tool operation panel, and the numerical control system presets the coordinate value according to this position;

After coordinate conversion calculation, determine the position of the origin of the workpiece coordinate system, thereby offset the origin of the machine tool coordinate system o to the desired origin of the workpiece coordinate system, so that a workpiece coordinate system with o as the origin is established.

Before the workpiece coordinate system is established, the coordinates displayed by the machine control panel are the coordinates of the tool's current position in the machine coordinate system: X coordinate is X machine, Z coordinate is ZA .

After the workpiece coordinate system is established, the coordinates displayed by the machine control panel are the coordinates of the tool's current position in the workpiece coordinate system: the x coordinate is the x workpiece, and the z coordinate is 0.

When running the program for automatic machining, the Create Workpiece Coordinate System command is first run at the beginning of the program. In the FANUC CNC system, the commonly used T0101 instruction to establish the workpiece coordinate system, and the G50 instruction is also the instruction to establish the workpiece coordinate system.

Hello dear! The setting and selection principles of the coordinate system of the workpiece of the CNC milling machine are as follows:1

Set the coordinate system: The workpiece coordinate system of the CNC milling machine is usually determined by the geometry of the machined part and the processing requirements. When setting the coordinate system, it is necessary to take into account the requirements of the machining process, such as the direction of machining, the direction of the cutting force, the magnitude of the cutting force, etc.

2.Selecting a coordinate system: When selecting a coordinate system, you need to take into account the geometry and process requirements of the machined parts.

In general, the selection of the coordinate system should make the direction of the cutting force and the direction of the machining process as parallel to the coordinate axis as possible to reduce the machining error and improve the machining accuracy. Bend sells Xun 3Selection of the origin of the coordinate system:

The selection of the origin of the coordinate system should take into account the geometry of the machined part and the processing requirements. In general, the selection of the origin of the coordinate system should make the direction of the cutting force and the direction of the machining as parallel to the coordinate axis as possible during the machining process, so as to reduce the machining error and improve the machining accuracy. 4.

Direction selection of coordinate system: The direction selection of coordinate system should take into account the geometry of the machined parts and the process requirements. In general, the direction of the coordinate system should be selected so that the direction of the cutting force and the direction of the machining are as parallel to the coordinate axis as possible during the machining process, so as to reduce the machining error and improve the machining accuracy.

5.Coordinate system conversion: When machining complex parts, it may be necessary to convert coordinate systems.

When converting the coordinate system, it is necessary to take into account the geometry and process processing requirements of the processed parts to ensure the machining accuracy and processing efficiency.

Summary. 1.Choose the right tools and knives:

According to the material, shape and precision requirements of the workpiece, the appropriate milling cutter and tool are selected. 2.Positioning the workpiece:

The workpiece is placed on the machining platform and fixed with a chuck or fixture so that it is firmly positioned in the machining center position. 3.Set the coordinate system and zero point:

According to the program given by the CNC system, the CNC milling machine is started to carry out precise CNC milling of the workpiece. 7.Check to troubleshoot issues:

During the processing process, it is necessary to check the condition of the workpiece at any time, confirm whether the results meet the requirements, and deal with it in time if problems are found to ensure the processing quality.

Pro, the operation engineering of CNC milling workpiece to find the center is divided into the following steps:

1.Choose the right tools and tools: Choose the right milling cutter and tool according to the material, shape and precision requirements of the workpiece.

2.Positioning the workpiece: The workpiece is placed on the machining platform and fixed with a chuck or fixture so that it is firmly positioned in the machining center position.

3.Set the coordinate system and zero point: according to the machining requirements of the workpiece, set the coordinate system and zero point of the workpiece through the numerical control system, and mark the cutting start point and cutting end point.

6.Start machining: According to the program given by the CNC system, start the CNC milling machine to carry out accurate CNC milling of the workpiece.

7.Check and eliminate problems: During the processing process, it is necessary to check the condition of the workpiece at any time to confirm whether the results meet the requirements, and if problems are found, they should be dealt with in time to ensure the processing quality.