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随着现代工业和科技的发展,越来越多的产品向着微型及精密化方向发展,使微细孔加工技术的研究日趋广泛和重视。关于微细孔的范围,国外大致是将φ3mm以下的孔径划分为以下六个等级:小孔1.5～3mm;次小孔0.5～1.5mm;超小孔0.1～0.5mm;微孔0.01～0.1mm;次微孔0.001～0.012mm;超微孔0.001mm以下。微细孔结构广泛应用于油泵油嘴、手表夹板、仪表宝石轴承、化纤喷丝板、计算机喷墨打印头、电子显微镜光栅、集成电路上的导
With the development of modern industry and science and technology, more and more products are developing towards miniaturization and precision, making the research on micropore processing technology more and more widespread and important. Regarding the range of micropores, foreign countries generally divide the pore diameters of φ3 mm or less into the following six grades: pores of 1.5 to 3 mm, secondary pores of 0.5 to 1.5 mm, ultra-small pores of 0.1 to 0.5 mm, micropores of 0.01 to 0.1 mm, Sub-micropores 0.001 ~ 0.012mm; micropore 0.001mm or less. Micropore structure is widely used in the oil nozzle, watch plywood, gem bearing instruments, chemical fiber spinneret, computer inkjet printhead, electron microscope grating, the guide on the integrated circuit