Tungsten bars, rods, profiles and profiles plates, sheets, strip and foil of a deeper level of processing products export tariffs, so the 5% export tax rebate policy will continue. It can be understood, at least for now, for this type of tungsten production and exports, the country is still allowed, and even encouraged.
2013年8月2日星期五
Overall alloy (tungsten steel) V cutter
Overall alloy V graver, that V-CUT knife, also known as V-CUT PCB board micro-cutter, V-CUT knife, micro cutter, but also it is V or V-groove cutter knife pits, etc., names, different regions use are not the same is called by the main machine for the V-CUT face printed circuit board (PCB board) on the V-shaped groove cutting tool to facilitate the processing of forming a single circuit board.
Zhuzhou Cemented Carbide Production Ltd. Sanxin made of solid carbide grinding V engraved knife fight finish, sharp blade, high wear resistance and long service life than high alloy tool steel 20 to 150 times, can be cut around 50HRC hard materials. Once the machine life of an ordinary material V-CUT knife 10 to several times, can significantly reduce the number of frequent tool sharpening, improve production efficiency characteristics, no chipping, roll edge phenomenon. With the overall carbide cutting machining V-CUT PCB (circuit board) of the machined surface finish, without burrs and other phenomena, can significantly improve the quality of products to be processed, cutting the PCB printed circuit board molybdenum plating the most commonly used cutting tool .
With the ability to transform nature of human performance improvement tools and upgrade. With so many high quality PCB manufacturers for many years to pursue a trial comparing V solid carbide cutter has been accepted by the majority of PCB manufacturers use, has become a common PCB V-cut tool universal suffrage
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