Kinematic view of tool life in rotary ultrasonic side milling of hard and brittle materials

Gong, Hu; Fang, Feng; Hu, Xiaotang

doi:10.1016/j.ijmachtools.2009.12.006

Cited by 114 publications

(53 citation statements)

References 13 publications

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“…As shown in Figure 1(b), this research adopts tungsten carbide in type C01 as workpiece sample, which was fabricated by Cheng-Chang carbide Co., Ltd. Its grain size distributes from 1.0 to 2.0 μm, with the density of 15.0 g/cm 3 , hardness of 90-90.5 HRA. It is typically a sort of strong mold material for fastening components such as drawing and forging of the bolt heads.…”

Section: Methodsmentioning

confidence: 99%

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A novel flexible tool with rotary ultrasonic spindle for fine grinding of tungsten carbide

Hsue¹,

Zheng²

2018

MATEC Web Conf.

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Abstract. Tungsten carbide is a typical difficult-to-cut material by conventional machining processes. In this paper, a novel design of flexible abrasives tool combined with a rotary ultrasonic machining (RUM) spindle is conducted to reduce the labor force significantly. The newly designed flexibility of tool-tip is aimed at preventing overcutting from the CNC grinding. The grinding conditions with resulted surface morphology of the tungsten steel were investigated through Taguchi design of experiment and ANOVA analysis. The machining capability of the novel flexible tool is compared with conventional tools through specific grinding paths under proper operational conditions.

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Section: Methodsmentioning

confidence: 99%

“…In the recent years, the rotary ultrasonic machining (RUM) spindle was further proposed to successfully assist the machining processes of hard and brittle materials [2][3]. It provides much better properties than UAM in both increasing tool life and reducing the cutting force.…”

Section: Introductionmentioning

confidence: 99%

A novel flexible tool with rotary ultrasonic spindle for fine grinding of tungsten carbide

Hsue¹,

Zheng²

2018

MATEC Web Conf.

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“…With the distinct advantages of high material removal rate, low cutting force, long tool life and good surface quality, rotary ultrasonic machining (RUM) is widely used in the processing of hard and brittle materials [1,2]. Nowadays, in RUM, the most common way to transmit electrical energy from power supply to rotatable transducer is by sliding contacts, usually brushes and slip rings [3].…”

Section: Introductionmentioning

confidence: 99%

Design and testing of a novel rotary transformer for rotary ultrasonic machining

Duan

Lin

Yang

et al. 2017

IEICE Electron. Express

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This paper presents the design and testing of a novel rotary transformer for rotary ultrasonic machining (RUM). The transformer structure is innovatively designed for easy assembly and disassembly, which provides increased convenience to tool replacement in RUM. Circuit analysis shows the efficiency loss caused by the structure simplification is less than 5%. Also, the effect of the primary core angle and air gap length on coupling coefficient is studied for guiding the design. A rotary transformer with 90°p rimary core and 1.0 mm air gap is achieved. Contrast tests were carried out in simulation and experiment. Results show this novel rotary transformer transmission efficiency is 0.8972, which is agree with the theoretical value.

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“…[1][2][3]. However, there are some difficulties in machining of the ceramic materials owing to its hard and brittle nature on top of bad uniformity and low reliability, so the ceramics are classified into hard-to-cut materials [4,5].…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, ultrasonic assisted machining has been applied for machining of the ceramics as an alternative method to traditional machining [9]. Several studies have been performed for machining of hard and brittle materials using ultrasonic vibration, which applied to either work material or a cutting spindle [2,6,7]. From the literature, it was found that better surface roughness and fracture strength were obtained.…”

Section: Introductionmentioning

confidence: 99%

Understanding of Ultrasonic Assisted Machining with Diamond Grinding Tool

Park¹,

Hong²,

Kim³

et al. 2014

MME

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In this work, machining test was carried out in various machining conditions using ultrasonic vibration capable CNC machine. For work material, alumina ceramic (Al 2 O 3 ) was used while for tool material diamond electroplated grinding wheel was used. To evaluate ultrasonic vibration effect, grinding test was performed with and without ultrasonic vibration in same machining condition. In ultrasonic mode, ultrasonic vibration of 20 kHz was generated by HSK 63 ultrasonic actuator. On the other hand, grinding forces were measured by KISTLER dynamometer. And an optimal sampling rate for grinding force measurement was obtained by a signal processing and frequency analysis. The surface roughness of the ceramic was also measured by using stylus type surface roughness instrument and atomic force microscope (AFM). Besides, the scanning electron microscope (SEM) was used for observation of surface integrality.

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Kinematic view of tool life in rotary ultrasonic side milling of hard and brittle materials

Cited by 114 publications

References 13 publications

A novel flexible tool with rotary ultrasonic spindle for fine grinding of tungsten carbide

A novel flexible tool with rotary ultrasonic spindle for fine grinding of tungsten carbide

Design and testing of a novel rotary transformer for rotary ultrasonic machining

Understanding of Ultrasonic Assisted Machining with Diamond Grinding Tool

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