Comparative Reliability Analysis of Milling Teeth Manufactured by Conventional Cutting Processes and Laser Cladding

Iovanas, Daniela Maria; Dumitrascu, Adela-Eliza

doi:10.3390/app12147133

Cited by 5 publications

(4 citation statements)

References 16 publications

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“…Studies in the field have analyzed the interaction between milling drum teeth and asphalt layers. The research papers [6][7][8][9][10][11][12][13] provide information and results focused, mainly, on the aspects related to how the dislocation of asphalt concrete components (mixture of aggregates and filler/bitumen in solid state) occurs under the action of the cutter teeth, while the specialized literature [14][15][16][17][18][19][20][21] investigates the effect of the milling process on the milling teeth. The experimental research [14] evaluated, through statistical analysis, the wear process of teeth from two different manufacturers.…”

Section: Introductionmentioning

confidence: 99%

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The Application of Tribological Tests to Study the Wear Behavior of Asphalt Cutter Teeth: An Experimental Investigation Using Baroid Tribometer

et al. 2023

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In this paper, the authors present the results obtained within a complex experimental program that focuses on determining the tribological characteristics of the active part (tungsten carbide tooth tip) of the cutter teeth of asphalt milling equipment. The experiments are performedunderdifferent testing conditions (in a dry environment and in water) to highlight the need to use water, when milling the asphalt coating, with the purpose to reduce the wear of milling teeth. The experimental results show that water contributes to the substantial reduction of wear rate (more than eight times) on the active area of the tooth. The proposed test method—testing with the Baroid tribometer—is intended to evaluate the tribological characteristics of the materials using parallelepiped-shaped samples. The authors of the work performed the tests on samples that represent the teeth of the milling cutter having the real shape (so not on samples). The obtained results demonstrate that the test method can be used with good results on real parts.

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Section: Introductionmentioning

confidence: 99%

“…The paper [16] presents the estimation of the main reliability indices of two milling teeth types. The comparative analysis referred to milling teeth manufactured by conventional cutting processes, made of 41Cr4 (type I), and milling teeth manufactured by high-productivity welding loading processes, namely, laser cladding (type II).…”

Section: Introductionmentioning

confidence: 99%

The Application of Tribological Tests to Study the Wear Behavior of Asphalt Cutter Teeth: An Experimental Investigation Using Baroid Tribometer

et al. 2023

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“…Laser cladding (LC) has been applied in various fields [4][5][6][7]. LC is mainly applied to repair and surface strengthening in the fields of aerospace, automotive, petrochemical, metallurgy, and rail transportation.…”

Section: Introductionmentioning

confidence: 99%

Repair of Gear by Laser Cladding Ni60 Alloy Powder: Process, Microstructure and Mechanical Performance

Guan

Yú

et al. 2022

Applied Sciences

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As the main mechanical transmission parts, the gears are usually exposed to wear, corrosion, and fatigue; their failure in a poor working environment may cause a huge economic loss and waste of resources. Laser cladding (LC) has been proven to quickly repair parts at good metallurgical bonding performance and has flexible scanning strategies and a wide material selection. Therefore, LC technology can be considered an ideal approach to repairing damaged gear. However, the repair of damaged teeth by LC has not been systematically reported. In this paper, a series of progressive works have been carried out to systematically investigate the repair process of broken gears by LC. Firstly, process parameters, overlapping ratio, and Z-increment for Ni60 powder on 20CrMnTi were optimized. Secondly, the effects of deposition strategies on morphologies of single-layer and multi-layer multi-tracks were carefully analyzed. Then, the gear repair was successfully realized based on obtained optimized parameters. Finally, the phase composition, microstructure, hardness, and wear properties of the repaired gear tooth were analyzed by XRD, SEM, microhardness tester, and friction and wear tester. The results show that the remanufactured tooth can recover its appearance before breakage. The repaired zone is mainly composed of γ-Ni, Cr7C3, Cr23C6, and CrB phases. The micro-hardness and wear volume loss of the repaired zone is 60.63 ± 1.23HRC and 1674.983 μm2, which are consistent with those of the other teeth. This study is expected to expand the application of LC technology and provide guidance to engineers in the repair of damaged parts.

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“…Reliability determines maintenance [8][9][10][11][12][13][14][15][16][17], equipment life span, as well as their acceptable safety level.…”

mentioning

confidence: 99%

Potential Methods for Limiting the Consumption of Machine Components Exposed to Abrasive Wear

Florea

Itu

2022

Sustainability

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The analysis of the behavior in exploitation of the extraction, transportation and utilization of hard rock type mineral substances proved that one of the most extended and aggressive forms of wear is abrasive wear. The effects of abrasive wear on the machine components and their economic implications are significant, especially due to the operational pauses coming up in the technological flows that serve specific activities. This study presents two ways of limiting the consumption of tamping tools for the railway machines that are submitted to abrasive wear, namely, by reconditioning with the help of electrodes for overlaying welding with alloys of preestablished characteristics; by executing cast cleats from composite material in which metal carbides were infiltrated by diffusion. The great number of cast cleats tested in exploitation allowed a reliability and maintainability analysis to be made using the Weibull++ program, including the determination of the necessary number of cleats for 5000 h of functioning. The results of the experiments performed to this end demonstrated that both the reconditioning and execution of spare parts, with the help of reusable materials, could be solutions for sustainability in several economic fields, especially in those where the production costs are high.

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Comparative Reliability Analysis of Milling Teeth Manufactured by Conventional Cutting Processes and Laser Cladding

Cited by 5 publications

References 16 publications

The Application of Tribological Tests to Study the Wear Behavior of Asphalt Cutter Teeth: An Experimental Investigation Using Baroid Tribometer

The Application of Tribological Tests to Study the Wear Behavior of Asphalt Cutter Teeth: An Experimental Investigation Using Baroid Tribometer

Repair of Gear by Laser Cladding Ni60 Alloy Powder: Process, Microstructure and Mechanical Performance

Potential Methods for Limiting the Consumption of Machine Components Exposed to Abrasive Wear

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