Design of Piezoelectric Ultrasonic Composite Vibration System for Precision Grinding [PDF]
MicromachinesDue to the high hardness and brittleness of sapphire, traditional machining methods are prone to surface scratches and microcracks. As an advanced processing technique, ultrasonic machining can reduce damage to hard–brittle materials and improve surface ...
Weiqing Huang +4 more
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Research on Grinding Force of Ultrasonic Vibration-Assisted Grinding of C/SiC Composite Materials
Applied Sciences, 2022 C/SiC composite material is the best choice for important parts such as the hot-end structure of aerospace vehicles. Research and optimization of the cutting force of ultrasonic vibration-assisted grinding are of great significance when it comes to ...
Dongpo Wang +3 more
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Crystals, 2023 The grinding force is an important index during the grinding process, which affects the surface quality and other aspects after machining. However, the research on the grinding force of ceramic matrix composites assisted by two-dimensional ultrasonic ...
Yunguang Zhou +5 more
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Formation mechanism of grinding wheel oxide layer in the ultrasonic-assisted ELID grinding of silicon carbide ceramics [PDF]
Ultrasonics SonochemistryAs a substrate material for lightweight optical mirrors, silicon carbide (SiC) ceramics are extensively employed in deep space exploration applications.
Xiaofeng Jia +6 more
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Experimental Study on Ultrasonic Vibration-Assisted Grinding of SiCp/Al Composites Grinding. [PDF]
Micromachines (Basel)Aluminum matrix composites reinforced with silicon carbide particles (SiCp/Al) are widely used in aerospace fields with excellent properties, such as high specific strength, high specific stiffness, and high thermal conductivity. Due to the heterogeneous structure, its microstructure is one of the determinants of workpiece life, and ultrasonic ...
Jin J, Mao J, Wang R, Cui M.
europepmc +4 more sources
Study on the Low-Damage Material Removal Mechanism of Silicon Carbide Ceramics Under Longitudinal–Torsional Ultrasonic Grinding Conditions [PDF]
MicromachinesIn order to achieve the high-performance machining of silicon carbide (SiC) ceramics, longitudinal–torsional ultrasonic vibration (LTUV) was introduced into precision machining, and a systematic investigation into the effects of various process ...
Junli Liu +4 more
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Tangential Ultrasonic-Vibration Assisted Forming Grinding Gear: An Experimental Study
Micromachines, 2022 This study used a forming grinding wheel to machine an involute spur gear with ultrasonic vibration applied to the gear in order to improve the gear processing technology and enhance the gear processing effect.
Wenbo Bie +4 more
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Piezoelectric Ultrasonic Local Resonant Ultra-Precision Grinding for Hard–Brittle Materials [PDF]
MicromachinesHard–brittle materials are widely used in the optics, electronics, and aviation industries, but their high hardness and brittleness make it challenging for traditional processing methods to achieve high efficiency and superior surface quality. This study
Dawei An +6 more
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The Effect of Ultrasonic Vibration on the 3D Printing Fabrication and Grinding Performance of Structured CBN Grinding Wheel. [PDF]
Materials (Basel)The abrasives of traditional grinding wheels are usually randomly arranged on the substrate, reducing the number of effective abrasive grains involved in the machining during the grinding process. However, there are some problems such as uneven distribution of chip storage space, high grinding temperature, and easy surface burn.
Wang Z +6 more
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Development of a High-Speed Precision Ultrasonic-Assisted Spindle for Ultra-Precision Optical Mold Machining [PDF]
SensorsUltrasonic vibration-assisted grinding is a critical method for machining ultra-hard optical molds. However, current ultrasonic-assisted grinding spindles, as essential foundational equipment, face limitations in maintaining ultra-high rotational speed ...
Dingwen Wang, Qiu Hong, Shaohui Yin
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