Modelling and analysis of contact stress for automated polishing

Roswell, Avery; Xi, Fengfeng; Liu, Guangjun

doi:10.1016/j.ijmachtools.2005.05.006

Cited by 93 publications

(57 citation statements)

References 9 publications

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“…Polishing of free form surface with fixed abrasives involves three-dimensional contact between the tool and the workpiece surface. Under the assumption of Hertzian contact, the geometric shape of the contact between the tool and the workpiece is elliptical (Zhang et al, 2002;Roswell et al, 2006). As shown in Fig.…”

Section: The Removal Depth Of Per Unit Contact Length (The Linear Remmentioning

confidence: 99%

Modeling and analysis of the material removal depth for stone polishing

Wang

2009

Journal of Materials Processing Technology

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Section: The Removal Depth Of Per Unit Contact Length (The Linear Remmentioning

confidence: 99%

Modeling and analysis of the material removal depth for stone polishing

Wang

2009

Journal of Materials Processing Technology

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“…The polishing operation was carried out with a flexible foam-laminate tool on which sandpaper was mounted. Roswell et al [4] proposed a specific machine using the pneumatic control of polishing forces through pressure control; this machine is also used in Liao et al's research [5]. The proposed machine comprised two linear crossed axes on which a robot tripod was mounted.…”

Section: Fig 1 Production Of Knee Prosthesesmentioning

confidence: 99%

Optimization of pre-polishing parameters on a 5-axis milling machine

Moumen

Chaves‐Jacob

Bouaziz

et al. 2015

Int J Adv Manuf Technol

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Pre-polishing and polishing stages are considered as semi-finishing and finishing stages in workpiece production. As a rule, these operations are carried out manually. These stages are health hazards for the operator and may lead to geometrical defects on workpieces. This paper proposes and optimizes a method to perform these operations on a common 5-axis milling machine. This method uses the flank of a flexible cylindrical tool to link the machine position and the exerted polishing pressure. The toolpath proposed comprises a carrier trajectory on which a loop pattern is repeated. Subsequently, experimental optimization of the pre-polishing cost is proposed, coupled with an estimation of the roughness obtained. Firstly, a screening Design Of Experiments is used to identify the most influential factors of this process. Based on these influential factors, a response surface is used to obtain experimental models to estimate the pre-polishing cost per volume and resulting roughness. These models are used to optimize the pre-polishing factors to reduce the process cost whilst maintaining specific roughness.

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“…Nagata et al (2007) developed a position/force control polishing system for more accurate removal of cusp marks from curved surfaces. The system by Tsai et al (2009) aimed at uniform material removal through maintaining constant velocity and pressure according to the effective contact area, and the one by Roswell et al (2006) at constant contact stress polishing through generating suitable set points for the tool force and tool speed.…”

Section: Introductionmentioning

confidence: 99%