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First, the machine tool is lined up, and the level of intelligence is improved.
Beijing No. 2 Machine Tool Plant exhibited the “Efficient Precision Machining Equipment for Automotive Engine Crankshaftsâ€. This is a production line consisting of two MKS1632 CNC end face cylindrical grinding machines and a B2-6008 belt polishing machine. The former is a medium and high-grade series developed by Beiji on the basis of years of design and manufacture of CNC grinding machines, experience and technical accumulation. CNC machine tool products; the latter is the machine tool developed by the company on the basis of many years of production of belt polishing machine, which is developed by foreign advanced technology and is dedicated to the outer circle polishing of crankshaft parts. This complete set of equipment is designed for the typical crankshaft parts of typical Chinese users. It is equipped with truss manipulator logistics system, with automatic loading and unloading, on-line detection function and agility and high efficiency. The overall technical level of the production line has reached the international advanced level. This production line won the "Spring Yan Award" selected by the China Machine Tool Industry Association at CCMT2014.
Shanghai Machine Tool Works Co., Ltd. exhibited two H234 CNC end face grinding machines. The machine bed is made of low-alloy and high-strength bred cast iron monolithic molded structure, which has good wear resistance and shock resistance. The machine tool guide adopts the hydraulic unloading slide guide that introduces the technology of the American Landis company, so that the worktable moves smoothly and without creeping. The machine can adopt the oblique cutting or straight cutting grinding method to complete the automatic cycle grinding of multi-speed cylindrical grinding. This machine is mainly suitable for the processing of large quantities of shaft parts in the automotive and other industries. The grinding machine won the top ten products of independent innovation in 2013.
The Jinan Siji CNC machine tool exhibited the MK1320A-3X500 CNC cylindrical grinding machine with integrated industrial robot. It adopts the fully enclosed structure. The grinding wheel frame feed and the table feed are driven by the AC servo motor through the ball screw, and the feed is sensitive. The grinding wheel spindle adopts three-grid structure dynamic pressure bearing, which has high rotation precision and low temperature rise. The head frame adopts servo motor control, which can realize the quasi-stop of the workpiece. The tailstock adopts the patented technology of Jisi Company and the hydraulic large stroke structure. Reserve space for the robot's loading and unloading, and add a position switch on the tailstock to detect whether the workpiece is clamped in place. The machine is equipped with a special workpiece automatic lever, which can automatically tighten and relax the workpiece. It can be equipped with a robot to realize the automatic processing of the workpiece.
Shanghai No. 3 Machine Tool Plant exhibited H3-ZX002 shaft parts and grinding lines. The automatic line is a car and grinding automatic loading and unloading production line which is completed by a combination of a CNC lathe, a CNC grinding machine, an industrial robot and external auxiliary equipment. The CK6382W CNC lathe in the automatic line is equipped with the GSK988T lathe CNC system, which communicates with the servo unit via the GSK Link bus. For example, the spindle motor is equipped with a high-resolution servo motor with an absolute encoder to achieve a positional accuracy of 0.1 μm. With radial measuring instrument and end measuring instrument, automatic measurement is completed to ensure the consistency of part size. The industrial robot RB20 has a payload of 20kg and adopts a 6-degree-of-freedom multi-joint structure.
Jiangxi Jieke Machine Tool, which specializes in manufacturing grinding machines, exhibited three CNC grinding machines, namely JKM8240A-1000 ultra-high speed CBN convex and concave composite surface driven CNC grinding machine, MK8240X500 CNC crankshaft grinding machine and MK1320 CNC cylindrical grinding machine. JKM8240A-1000 was selected as “Spring Yanâ€. prize". The machine adopts German Siemens 840D SI numerical control system, adopts camshaft grinding software with independent intellectual property rights, and double grinding head and double feed system follow-up grinding. The machine can be equipped with robotic blanking to meet the automated production of the assembly line. In addition, we can see that this kind of machine tool combines the grinding process of the concave cam and the inner cam surface, which is suitable for the grinding of various special-shaped composite faces and concave camshafts, and meets the requirements of Euro IV and Euro V emission standards. The ideal finishing equipment for concave camshafts used in engines can also be used for precision grinding of disc-shaped inner and outer cams in the textile industry.
Second, overseas manufacturers bring their latest research and development products and technologies
This year's exhibition not only has a wide range of domestic products, but also a number of grinding machines outside the country to bring the latest research and development products and technologies to the exhibition. EMAG of Germany exhibited new products for high-performance grinding of inner and outer cam profiles. The device can be configured differently according to different production tasks through the modular machine tool system SK204; one or more different sizes of grinding wheel shafts can be configured for internal grinding and external grinding processing; with independent internal cooling mechanism for key components Temperature control to ensure the stability of machine tool accuracy; interpolation between C-axis and X-axis, Z-axis axial wheel oscillation, and the use of diamond wheel dresser and other functions, including vane pump, air conditioning compression Grinding of coarse and fine grinding of non-circular cross-section parts of camshafts for diesel and diesel jet pumps, as well as grinding of inner and outer polygonal contours.
Taiwan Rongguang Machinery exhibited three machine tools, namely GT-530 CNC tool grinding machine, RC-18CNC CNC centerless grinding machine and Super BGU-35100CNC CNC universal cylindrical grinding machine. Among them, the main feature of Super BGU-35100CNC CNC universal cylindrical grinding machine is that the rotary motor of the grinding wheel shaft seat is directly driven by DD motor, which realizes fast reversing positioning without gap, high speed and high precision; the guide rail of the grinding wheel shaft seat adopts optimized rectangle Guide rail design, closed design concept, maximum feedability, high rigidity and high precision machining capability. The grinding wheel motor uses a high-efficiency, high-torque motor for efficient grinding.
Taiwan's main Xinde Technology Co., Ltd. exhibited two machine tools, MKA1620 CNC end face grinding machine and MK135 CNC cylindrical grinding machine. The biggest feature is the design of handling and function. The whole series of products can provide users with complete. The matching program can fully meet the requirements of users. The modular design of the product provides a wide range of products with different center distances and center heights.
The authors conclude that through CCMT2014, we have seen new changes in the functional configuration, design and manufacturing level of Chinese machine tool manufacturers and products, as well as the automation and intelligence level that greatly enhance the combination of products and robots... ...but in the general situation of the overall decline of the machine tool industry and the difficulty of obviously improving in the short term, how to improve the comprehensive strength of enterprises, drive development by innovation, accelerate the transformation of enterprises from traditional manufacturers into modern industrial service providers, is placed in every An arduous task before the enterprise. As an equipment manufacturing and service provider, “customer-centric†is important for all business management activities of the company. In the process of industrial transformation, we must pay attention to the real needs of customers, and the new products developed should bring value to users. We only bring value to our customers, and customers will bring us profits. (Author: Beijing Second Machine Tool Plant Co., Ltd. Zhang Xiulan Planning and Development Department)
CCMT 2014: Review of grinding machine exhibits
Abstract CCMT2014 exhibits about 120 grinding machines, mainly including high-speed, high-precision, composite, intelligent and other exhibits. Among them, many products have won the “Top Ten Independent Innovations†by the China Machine Tool Industry Association. .
CCMT 2014 exhibited about 120 grinding machines, mainly based on high-speed, high-precision, composite, intelligent and other exhibits, many of which were selected by the China Machine Tool and Tool Industry Association as “Top Ten Independent Innovations†and “Productsâ€. The “Top Ten Quality†or “Spring Yan Award†fully demonstrates the development level of the grinding machine industry. The following is a review of the author's changes in the products of the grinding machine in the exhibition.