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Principle of cnc parts processing technology and how to determine the tool setting point

Principle of cnc parts processing technology and how to determine the tool setting point

Table of Content

In any processing industry, its processing technology will have its own working principle. If you want to understand the working principle of a processing technology, we need to understand it in detail by ourselves, and CNC parts processing technology is one of them. What is the working principle of CNC parts processing?

The control system of cnc parts processing center can generally control the automatic start and stop, reversing and speed change of the spindle according to the digital program instructions, and can automatically control the feed speed, direction and processing path, and perform processing. It can select the tool and adjust it according to the tool size. The cutting amount and walking trajectory can end various auxiliary actions required in processing.

CNC lathe service

The structure of CNC parts processing CNC lathe is also composed of headstock, tool post, CNC machining feed transmission system, bed, hydraulic system, cooling system, lubrication system, etc. It is only the feed system of the CNC lathe and the horizontal lathe. There are fundamental differences in the structure of the feed system, the mechanical structure of a typical CNC lathe. The movement of the main shaft of the horizontal lathe is transmitted to the tool post through the hanging wheel frame, the feed box, and the slide box, and the longitudinal and horizontal feed motions are ended. The CNC lathe uses a servo motor, which is transmitted to the slide plate and the tool post via the ball screw, and ends the z-direction and position-direction feed motion. Fine CNC machining also has various thread functions. The movement connection between spindle rotation and tool post movement is controlled by the CNC system.

The tool setting point

The tool setting point can be set on the part to be machined, but note that the tool setting point must be the reference position or the part that has been finished. Sometimes CNC precision machining is destroyed after the first process, which will cause the second It is impossible to find the tool setting point for the process and the subsequent process. Therefore, when setting the tool in the first process, pay attention to setting up a relative tool setting position where there is a relatively fixed size relationship with the positioning datum, so that it can be based on the relative position relationship between them. Retrieve the original knife point. This relative tool setting position is usually set on the machine tool table or fixture.

Workpiece coordinate system

The origin position of the workpiece coordinate system is set by the operator. It is determined by tool setting after the workpiece is clamped. It reflects the distance position relationship between the workpiece and the machine zero point. Once the workpiece coordinate system is fixed, it is generally not changed. The workpiece coordinate system and the programming coordinate system must be unified, that is, during processing, the workpiece coordinate system and the programming coordinate system are the same.

Kunshan Baichuan Precision Components Co., Ltd. is a company specializing in CNC machining, precision parts machining, gantry milling, CNC precision machining, CNC numerical control machining. The company is equipped with CNC machining centers, large gantry machining centers, three coordinate measuring machines and other high-precision Equipment, support product customization and small batch production.

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