CNC machine tools are moving in the direction of high speed, high efficiency and high precision. To enhance market competitiveness, machine tool manufacturers in various countries have adopted many new technologies in the design and manufacture of CNC machine tools, such as linear motors, high-efficiency cooling systems, and multi-function machining systems. , open CNC systems and network manufacturing systems. At present, these advanced technologies are applied to new CNC machine tools. 1 Linear Motors Advanced linear motor drives have been widely used in CNC milling machines and CNC lathes. It not only can carry out high-speed cutting and rapid chip evacuation of parts under the cutting conditions of feed speed above f=60m/min, but also can improve the machining accuracy of parts. The linear motor has the characteristics that it can speed up the servo response speed, improve the servo control precision and the machining precision of the machine tool, so it can expand the processing ability of the CNC machine tool. The usual gyro-linear motion transmission system, due to its inherent quality, inertia, lead, lag and vibration, will affect the quality of the parts. However, installing a linear motor on a CNC machine does not have the above problems. At present, Mazak, Mori Seiki, Otsuka and Cincinnati Machine and other companies have used linear motors for new CNC machine tools, so that the machine's feed rate reaches f=60m/min or more, and the rapid moving speed reaches f=120m/min. Acceleration up to 2g. At present, there are still problems in the use of linear motors, such as small carrying capacity and heat, which need to be improved in the future. 2 High-efficiency cooling system For CNC machines that perform high-speed cutting, each axis must cut at a feed rate of f=60m/min. This will cause the CNC machine tool with ball screws to generate high temperatures during processing, which will seriously affect the parts. Dimensional accuracy and positioning accuracy of the machine. The Ball Screw Cooler developed by Hitachi Seiki Co., Ltd. reduces the temperature by transferring the coolant in the hollow ball screw, achieving the purpose of cooling the screw and stabilizing the machining size. The electronic cooler control system developed by Makino can monitor the temperature rise of the ball screw due to friction, etc., and keep the ball screw temperature within the permissible range. In addition to cooling the ball screw, the temperature rise of the high-speed rotating spindle must also be strictly controlled. Yamazen Co., Ltd. cools the coolant at the pressure of p=6.89 MPa through the center hole of the spindle to cool the machine tool spindle, tools, and machined parts. It can not only ensure that the workpiece and the tool are not affected by temperature rise, improve the service life of the tool, but also enable the chip to be discharged smoothly and clean the processing environment. In order to avoid the influence of the temperature rise of the guide rail, Hitachi and the bearing manufacturer jointly developed a rail grease with the brand name Eco- Eco, which has the advantages of cooling, good lubrication effect, no harmful substances, automatic lubrication, and no special equipment. . Many manufacturers use the proof, it has a good use of effects and economic benefits. 3 Multi-function processing system One part The completion of all processing steps on a machine tool is an inevitable trend in manufacturing technology advancement. The newly developed lathes are similar to the 4- to 5-axis machining functions on the machining center, as well as the high-power, multi-functional B-axis machining systems and automatic tool changer. The difference between the lathe and the machining center is gradually reduced, becoming a multi-function machining. machine tool. The production of multi-function machine tools is one of the hallmarks of the progress of CNC machine tools. 4 High-efficiency, high-power spindle motors In order to improve the cutting speed, rapid response capability, and control accuracy of the spindle motor of the machine tool, most CNC machine tools have selected an integrated spindle AC induction spindle motor instead of the conventional separate spindle motor decelerated by a belt or a gear. Recently, with the advancement of technology, a permanent magnet integrated spindle motor with a rare material has been newly developed. Because it can transmit torque more efficiently and with high power, it has a tendency to replace the induction type integrated spindle motor. According to the Yamazen company manager, this type of permanent magnet integrated permanent-magnet motor with helium has three advantages compared to the general-purpose induction-type integrated spindle motor: Large transmission torque The company uses two powers of N = 7.46 kW. A comparative test conducted by a motor with n=6000 r/min indicates that the torque transmitted by the universal induction type integrated spindle motor is 95 N·m, while the permanent magnet type integrated spindle motor containing a rare material can transmit 160 N·m of rotation. Moments. It is easy to control the temperature rise generated during use, and a simple air cooling method can be used to cool the spindle motor without installing an expensive cooler. Because the motor is made of special permanent magnet material, it has strong magnetism, small motor size and compact structure. This can increase the diameter of the spindle hole, greatly improving the processing capacity of the machine tool. For example, for a lathe, the maximum diameter of the bar material that can be passed by the original loading device is 52 mm. Now that the permanent magnet type integrated spindle motor has been used, the machine tool can process bars with a maximum diameter of 61 mm. 5 Network Manufacturing System In recent years, network technology has become the main communication method and control tool in CNC machine tool processing, and it will form a complete set of advanced network manufacturing systems. For example, through an open CNC system and the use of a remote diagnostics system, if a problem arises in the machining of the machine tool, it can automatically send information to the design department to solve the problem in time. The large amount of processing information stored and processed quickly in the CNC system of the machine tool can be transmitted and exchanged in real time through the network, including design data, graphic files, process data, and processing status, which greatly improves the production efficiency. At present, the most used is to improve services through the Internet and give users strong technical support. At IMTS2000, many machine tool manufacturers exhibited newly developed network manufacturing systems. For example, Cincinnati Machine Company demonstrated to the user that programmers, operators, and maintenance personnel use their open CNC system and Cincinnati Machine's domestic network manufacturing center to communicate and transfer sounds or images, and demonstrate remote control diagnosis at the same time. The use of the system increases the user's desire and confidence in using the network manufacturing system. According to the manager of Cincinnati Machine Company, users only need to purchase the required software, modems, network cameras and headphones to access the Internet without installing a network server. By exchanging a variety of information online, the production efficiency has been greatly improved. According to IAMS, users can use their Cutdata.com website to recommend to the user the cutting speed, feed rate, cutting depth, etc., that should be selected for machining, based on information such as machining materials and cutting tool materials entered by the user. The user can program and process according to the recommended data. Problems can also be reached through the website to ensure smooth processing. 6 The open CNC system adopts an open CNC system, which can greatly improve the real-time data exchange capability, real-time response capability, and multi-task parallel processing capability of the machine tool. An open CNC system called Universal User Interface developed by Hitachi Seiki Machine Tool Co., Ltd. can link the CNC operating system software of the machine tool with the Internet and exchange information between them. In addition to the above advantages, the system also has the following features. It is the top product in the open CNC system: It greatly enhances the functions of the CNC machine tool. For example, it allows the machine to have remote diagnostics. The data transmission capacity of the CNC system is greatly improved, and the transmission speed between the CNC system and the network can be as high as 10 MB/s. In order to take full advantage of the Internet, they also developed HS-MOS opcodes. Using this kind of operation code, users can easily compile third-party software such as remote diagnosis and data processing programs with Visual Basic or C language according to actual needs. At present, network manufacturing systems and open CNC systems are like television stations and televisions. Signals of different frequencies are transmitted through television towers, which can receive various images and sounds on televisions everywhere. Network manufacturing systems are television stations and television towers, while open CNC systems are television sets distributed throughout the country. As long as there is a design or manufacturing unit, according to the needs of different processing parts, compile different processing control procedures, other manufacturers can extract the required control program from the network manufacturing system, and process the parts. This will greatly change the current way of manufacturing machinery.
Push Button Food Blenders
Push Button Food Blenders are another fashionable style blenders are popular with many countries. Except can with grinder, Push Button Food Blenders can with choppers and fliters.
Discription of Push Button Food Blenders
Size: 1.0L,1.25L, 1.5L, 1.6L
Housing: ABS, PP, Stainless steel
Speed: 2, 3, or 4 speeds with pulse
Packing: 6pcs/ctn
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