| Die innovative technology development, products are | | | | circle radius of the cavity surface in order to avoid |
| increasingly stringent accuracy requirements. | | | | processing tool and the workpiece happen |
| Therefore, EDM mold flaws are exposed for the | | | | "interference." As the tool diameter and small, thus |
| realization of the mold cavity and its related parts of | | | | requiring very high spindle speed, and foreign |
| the high-speed machining, the machine need to | | | | high-speed machine tool spindle speed has reached |
| introduce the three main demands. | | | | 40000 ~ 100,000 r / min, rapid traverse speeds of up |
| With the replacement rate of consumer | | | | to 30000 ~ 60000 min. Cavity and mold parts other |
| products to speed up, mold technology also continues | | | | parts rough, finishing is often a fixture of the workpiece |
| to develop, to the mold production efficiency and | | | | and, therefore, spindle power to large, medium-size |
| manufacturing quality higher and higher expectations, | | | | molds milling and machining center spindle power'll |
| and thus the low EDM mold production efficiency and | | | | always be 10 ~ 40kW, and some even higher. |
| quality of instability defects were gradually exposed. | | | | 3. Can be a good multi-axis and the cutting |
| To achieve the mold cavity and its related | | | | ability of deep-hole-cavity mold cavity integrated over |
| parts of the high-speed machining, machine tools need | | | | the space of complex surface and the grooves 6 |
| to have the following characteristics: | | | | posed, and many have a deep-hole-cavity mold. In |
| 1. As the mold is the direction of the large-scale | | | | order to achieve high accuracy of the 3D surface, |
| development, and a few tons to several dozen tons | | | | high-speed and high stability of the processing needs |
| of mold is very common, thus requiring machine work | | | | of multi-axis machine tool, and has a good |
| surfaces can withstand heavy weight, which requires | | | | deep-hole-cavity integrated cutting ability. Five-axis |
| equipment must have a large load-bearing | | | | machining center can be used, in addition to the three |
| characteristics and high rigidity, but also must have a | | | | coordinates of linear motion, there are two rotating |
| sufficient a large table size and corresponding working | | | | coordinates feeding movement. Multi-axis milling head |
| stroke. In addition, the mold material strength and | | | | or the table can be continuously rotating feed, and thus |
| hardness are high, and, often, the larger the amount of | | | | applicable to processing of the mold cavity surface |
| elongation of small-diameter end milling mold cavity, the | | | | with complex parts. |
| process prone to chattering. In order to ensure that the | | | | We can say that compound processing is the |
| parts machining accuracy and surface quality for mold | | | | development direction of one of the mold. Although the |
| manufacturing, high-speed machine tool must have a | | | | processing center has been able to compound a |
| high dynamic and static stiffness in order to improve | | | | number of machining processes on a single machine to |
| the positioning accuracy of machine tools, tracking | | | | achieve, but it still can not completely meet the mold |
| precision and anti-vibration capability. | | | | processing, mechanical processing and electrical, |
| 2. High-speed and high-power high-speed | | | | chemical, ultrasonic and other different principles to |
| machining is the development direction of high-speed | | | | complex processing methods, both technological |
| milling in the mold processing has shown significantly | | | | characteristics of two or more complex process of |
| superior. In order to meet the mold cavity surface | | | | mold manufacturing in the future, there will be a broad |
| processing, tool radius should be less than the minimum | | | | prospect. |