There are many types of tools used in CNC solid carbide end mills and machining centers. They are mainly divided into two categories: milling tools and hole processing tools. The tools used are developing in the direction of standardization, generalization and modularization, in order to meet the requirements of efficient and special milling. , And developed a variety of special tools for special purposes.
1. Solid carbide end mill structure
The structure of the solid carbide end mill is divided into three parts: the cutting part, the lead-in part and the shank. The shank of the milling cutter is a 7:24 tapered shank. This tapered shank is not self-locking, easy to change the tool, and has high positioning accuracy and greater rigidity.
2. Tool system
The tool system refers to a series of clamping tools that connect the CNC machine tool and the cutting tool. It consists of a tool holder, a connecting rod, a connecting sleeve and a chuck. The CNC machine tool system can realize fast and automatic clamping of tools. With the increasing application of CNC tool systems, my country has established a standardized, serialized, and modular CNC tool system. The tool system of CNC machine tools is divided into two forms: integral type and modular type.
1) The integral tool system TSG is divided into two types: taper shank and straight shank according to the form of connecting rod. The code for taper shank connecting rod is JT; the code for straight shank connecting rod is JZ. The system has simple structure, convenient use, flexible clamping and quick replacement. Due to the wide variety and specifications of tools, it brings inconvenience to production, use and management.
2) Modular tool system TMG modular tool system TMG has the following three structural forms: cylindrical connection series TMG21, the shaft is tightened with screws; short cone positioning series TMG10, the shaft is tightened with screws; long cone positioning series TMG14, lock the tool with screws. The modular tool system is equipped with fewer tools to meet the processing needs of different parts. Therefore, the system increases the flexibility of the tool system and is an advanced stage in the development of the tool system.
