Develop high-precision machine tools and actively respond to the need for high-precision machining of molds

May 07, 2023

With the development of manufacturing industry, the miniaturization of product parts and the improvement of precision require higher and higher requirements on the accuracy of mold processing. Mould products have become more large-scale, more sophisticated, more complex and more economical and rapid. China's mold production has also increasingly yielded greater benefits. Jin Monet CEO Luo Baihui believes that in the battlefield of import and export, we are still passive and at a disadvantage. We must change the development of the mold industry in order to get rid of the fate of OEM and grasp the initiative of trade.

At present, China has been able to produce a full set of automotive molds for passenger cars and other passenger cars and commercial vehicles with Grade B and lower grades. It is an accurate, high-speed, multi-position advancement with an accuracy of 2μm and a life expectancy of over 200 million times for the electronics industry. Die, a single set of molds weighing over 100 tons of giant molds, up to 6 meters of large-scale multi-position advanced molds, light guide plate molds, optical disk molds, biochip molds and many other high-level molds. Micron precision machining for automobiles, aircraft, and precision machinery; submicron (0.01μm) precision machining for disk and drum manufacturing; nanoscale (0.001μm) precision machining for ultra-precision electronics.

The multi-position progressive die produced by some companies can be used on high-speed punch presses of 2000 times per minute, with an accuracy of 1 μm. Some molds require processing accuracy within 1μm, which requires the development of superfinishing. In terms of large-scale plastic molds, China has been able to produce plastic molds for 43-inch large-screen color TVs and 65-inch rear-projection TVs, plastic molds for car bumpers and overall instrument panels. In the field of precision plastic molds, China has been able to produce plastic parts for camera and mobile phones, small-size multi-cavity gear molds, and 7800-cavity plastic molds with a precision of 5μm.

The increasing size of mold forming parts and the high productivity of parts require a single mold and multiple chambers. Molds from several tons to several tens of tons are common, with a few hundred cavities and even thousands of cavities. Therefore, it is required that the workbench of the machine tool can bear heavy weight. This requires the equipment to have characteristics of large load-bearing capacity and high rigidity, and it must also have a large enough table size and working schedule to adapt to it. In addition, the mold cavity is mostly composed of complex space six curved surfaces and grooves, and many molds have deep hole cavities, which requires the machine tool to have multi-axis linkage and good comprehensive deep-hole cavity cutting capability in order to achieve 3D surface High precision, high speed and high stability processing.

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Author:

Ms. SU LAN RONG

ΗΛΕΚΤΡΟΝΙΚΗ ΔΙΕΥΘΥΝΣΗ:

susu@cn-tianhui.com

Phone/WhatsApp:

++86 13396680822

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