Microscale formation mechanism of surface morphology and chips features of granitic rocks considering different machining parameters

Sun, Depeng; Zhang, Jinsheng; Sun, Tongyan; Cai, Yukui

doi:10.1007/s00170-022-09347-1

Cited by 3 publications

(1 citation statement)

References 46 publications

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“…The use of higher feed rates and higher polishing speeds led to better granite part surface finishes. Sun et al (2022) [ 12 ] investigated the impact of machining parameters on the mechanism of surface formation and chip features of granites and found that the machining parameters have a stronger influence on machined granite surface quality, crack formation, and chip size. Especially, for the granite material removal mechanism, the strain rate was indicated as being the main determinant factor; higher strain rates (higher than 5 × 10 4 /s) produced better surface quality and smaller chips.…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation on the Effects of Tool Geometry and Cutting Conditions on Machining Behavior during Edge Finishing of Granite Using Concave and Chamfered Profiling Tools

Mateur,

Songmene,

Kouam

2024

Micromachines

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Granite edge finishing through grinding is a common process in the granite processing industry, crucial for achieving the final desired shape and edge quality of products. This study focuses on the granite industry, specifically delving into the significance of grinding and polishing for improving aesthetics and extending material longevity. The experimental design entails a comprehensive factorial experiment plan involving two workpiece materials (white and black granite samples) and two cutting tool edge shapes (chamfer and concave), each with two grit sizes: G150 and G600. The cutting conditions varied and consisted of variations in spindle speeds (1500, 2500, 3500 rpm), feed rates (500, 1000, 1500 mm/min), and lubrication modes (wet/dry). The results uncover intricate relationships among these parameters and part quality, underscoring the pivotal role of tool geometry in achieving superior surface finishes and in controlling the cutting forces. These findings contribute to a nuanced understanding of the dynamic interplay between tool characteristics, material properties, and machining conditions within the granite industry.

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Section: Introductionmentioning

confidence: 99%

Experimental Investigation on the Effects of Tool Geometry and Cutting Conditions on Machining Behavior during Edge Finishing of Granite Using Concave and Chamfered Profiling Tools

Mateur,

Songmene,

Kouam

2024

Micromachines

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Modeling for prediction of sawing force based on the maximum undeformed chip distribution in the granite sawing

Kang

Zhang

Duan

et al. 2022

Int J Adv Manuf Technol

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Sawing by circular saw blades is predominant in the mechanized treatment of natural stone. The predictive sawing force is crucial for optimizing, controlling, and monitoring the sawing process. In this work, a novel model for predicting sawing force, which is based on the distribution of the undeformed chip thickness at the sawing contact arc, was proposed. Based on the analysis of the chip geometry of the circular saw blade, the segment surface was divided into the front end and rear end according to the contact pattern between the segment and granite, and the models of the maximum undeformed chip thickness of diamond particles on the front end and rear end were established. Results suggest that the new proposed force model fully considered the distribution of undeformed chips compared with the current model. And the novel model has higher prediction accuracy, the mean maximum absolute error rate was within 3.77%, and the maximum absolute error rate was within 7.83%. Through theoretical analysis, the ratio (is 1.67) of the maximum thickness of the undeformed chips of the front segment and rear segment can fully explain the wear nonuniformity of the segment. The proposed model is of great signi cance to the optimization of saw blade structure and process parameters.

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Mathematical model for predicting sawing force of granitic rocks considering stochastic grains distribution and material elastic recovery

Sun

Zhang

2022

Measurement

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Microscale formation mechanism of surface morphology and chips features of granitic rocks considering different machining parameters

Cited by 3 publications

References 46 publications

Experimental Investigation on the Effects of Tool Geometry and Cutting Conditions on Machining Behavior during Edge Finishing of Granite Using Concave and Chamfered Profiling Tools

Experimental Investigation on the Effects of Tool Geometry and Cutting Conditions on Machining Behavior during Edge Finishing of Granite Using Concave and Chamfered Profiling Tools

Modeling for prediction of sawing force based on the maximum undeformed chip distribution in the granite sawing

Mathematical model for predicting sawing force of granitic rocks considering stochastic grains distribution and material elastic recovery

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