Results 1 to 10 of about 8,221 (257)
Local corner smoothing based on deep learning for CNC machine tools [PDF]
Scientific ReportsMost of toolpaths for machining is composed of series of short linear segments (G01 command), which limits the feedrate and machining quality. To generate a smooth machining path, a new optimization strategy is proposed to optimize the toolpath at the ...
Bai Jiang +6 more
doaj +4 more sources
A Five-Axis Toolpath Corner-Smoothing Method Based on the Space of Master–Slave Movement
MachinesThe smoothing of linear toolpaths plays is critical in improving machining quality and efficiency in five-axis CNC machining. Existing corner-smoothing methods often overlook the impact of spline curvature fluctuations, which may lead to acceleration ...
Song Gao +4 more
exaly +3 more sources
Corner Smoothing with Feedrate Interpolation for High-Speed Machine Tools
MachinesIn high-speed machining, linear toolpaths constructed from a series of short line segments are widely used but inevitably introduce tangent and curvature discontinuities at segment junctions, which may cause feedrate fluctuation and contouring error.
Haowen Xue +3 more
doaj +2 more sources
Tool Path Planning Using the Relationship between Cornering Error and Kinematic Constraint Values [PDF]
한국정밀공학회지, 2022 The kinematic constraints used in a computerized numerical control (CNC) interpolator are one of the main factors determining a machine tool’s machining accuracy.
Soon-Hong Hwang +3 more
doaj +1 more source
Corner Detection Algorithm Based on Parallelogram Diagonal Theory [PDF]
Zhengzhou Daxue xuebao. Gongxue ban, 2021 Corner detection is one of the fundamental topics in image processing and computer vision.The complexity of the construction of the corner response function or the multiple smoothing of the curve often restricts detection efficiency of the corner ...
Zheng Qian +4 more
doaj +1 more source
IEEE Access, 2021 Manufacturing industries aim to improve product quantity and quality. These trade-off objectives are typically manifested as cycle time reduction and motion accuracy improvement.
Enock William Nshama, Naoki Uchiyama
doaj +1 more source
Cycle Time Estimation of Block Overlap Based CNC [PDF]
한국정밀공학회지, 2022 This paper proposes a cycle time estimation algorithm of a CNC machine tool, using a block overlap based tool path generation algorithm. Velocity profile generation algorithm of CNC interpolator is proposed to compute the cycle time of the G-Code block ...
Chan-Young Lee +3 more
doaj +1 more source
IEEE Access, 2021 Apart from improving motion accuracy, increasing productivity while reducing computer numerical control machine tools' carbon footprint is vital in the manufacturing industry. Several studies have proposed corner smoothing methods that improve cycle time
Enock William Nshama +2 more
doaj +1 more source
Image corner detection method based on multi-scale discrete curvature
Xi'an Gongcheng Daxue xuebao, 2021 The traditional curvature calculation method is sensitive to local changes and noise in the discrete domain, which makes the corner detection accuracy and location deviate.
Junfeng JING +3 more
doaj +1 more source
Applied Sciences, 2022 Linear tool path is widely used in high-speed NC machining. However, the geometrical discontinuity of the corner between the linear tool paths will lead to fluctuations in speed, acceleration and jerk, which can excite machinery vibration and reduce the ...
Xuefeng Yang, Youpeng You
doaj +1 more source