Kinematic Analysis of a 3-Axis Parallel Manipulator: The P3

Chen, Qiao‐Hong; Chen, Zhi; Chai, Xinxue; Li, Qinchuan

doi:10.1155/2013/589156

Cited by 10 publications

(5 citation statements)

References 28 publications

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“…Zhang et al established a neural network chip flow angle mutation prediction model based on chip state parameters and discussed the acquisition and application of empirical formulas for its parameters [3]. Chen et al studied the three-dimensional flow process of chips [4]. [5].…”

Section: Introductionmentioning

confidence: 99%

The influence of parameters of linear flat bottom chip breaker on chip flow

Shun-qing

2023

J. Phys.: Conf. Ser.

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The simulation model of cutting TC4 titanium alloy with a YG8 cemented carbide tool is established through ABAQUS. The minimum width of the chip breaker, anti-chip surface angle, bevel angle of chip breaker, and the change of chip breaker front angle at the tooltip are changed by controlling other chip breaker parameters unchanged. Orthogonal tests are established under different edge angles to analyze the influence of the relevant parameters of the chip breaker on the chip angle and the influence of the change of the chip breaker parameters on the chip angle under different inclination angles. The results show that the chip breaker parameters affect the chip flow direction. The larger the groove spacing is, the smaller the chip flow angle first decreases and then becomes stable. The chip flow angle increases with the increase of the anti-chip surface angle, bevel angle of the chip breaker, and chip breaker front angle. The larger the inclination angle is, the more obvious the influence of chip breaker parameters is.

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Section: Introductionmentioning

confidence: 99%

The influence of parameters of linear flat bottom chip breaker on chip flow

Shun-qing

2023

J. Phys.: Conf. Ser.

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“…So far, many lower-mobility PKMs have been successfully applied in industry, such as Delta [15], Tricept [16], and Sprint Z3 tool head [17]. Among them, a very important category is the 1T2R PKMs, especially the 3-PRS, 3-SPR, and 3-RPS PKMs [18,19]. Besides, in our previous researches [4,20,21], a five-axis machining robot called DiaRoM in the configuration of 4SPU-SPR is proposed [4].…”

Section: Introductionmentioning

confidence: 99%

Stiffness Evaluation of an Adsorption Robot for Large-Scale Structural Parts Processing

Chen

Xie

Liu

et al. 2021

Journal of Mechanisms and Robotics

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Efficient and economical processing of large-scale structural parts is in increasing need and is also a challenging issue. In this paper, an adsorption machining robot for processing of large-scale structural parts is presented. It has potential advantages in flexible, efficient and economical processing of large-scale structural parts because of the adsorption ability. Stiffness is one of the most important performance for machining robots. In order to investigate the stiffness of the robot in the workspace, the kinematics of the adsorption manipulator, the five-axis machining manipulator and the adsorption machining robot is derived step by step. Then with the help of Finite Element Analysis (FEA), a stiffness modeling method considering the compliance of the base is proposed. A stiffness isotropy index is put forward to evaluate the robot's overall stiffness performance by taking all possible working conditions into consideration. Based on the index, stiffness evaluation in the reachable workspace is carried out and an optimized workspace is identified considering the overall stiffness magnitude, stiffness isotropy and workspace volume, which will be used in the machining process. The stiffness modeling method and stiffness isotropy index proposed in the paper are universal and can be applied to other parallel robots.

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“…In the literature, there are several studies investigating the singularities of PMs which have the same motion chracteristics. For a 3-PRRU PM (the P3 Robot) the singularity analysis is performed in [2] by evaluating the determinants of the Jacobian matrices. The singularity conditions were issued in [6] by obtaining the Jacobian matrices of a 3-PSP PM.…”

Section: Introductionmentioning

confidence: 99%