Model of Thermal State of the System of Application of Coolant in Grinding Machine

Stepanov, Mykhaylo; Ivanova, Larysa; Litovchenko, Petro; Ivanova, Maryna; Basova, Yevheniia

doi:10.1007/978-3-319-93587-4_17

Cited by 12 publications

(4 citation statements)

References 4 publications

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“…Son and Park (1987) stated that productivity, quality, and flexibility were key indicators of production efficiency integrated into the model for evaluating manufacturing systems used to justify investment in manufacturing systems. Based on Basova et al (2018) and Stepanov et al (2019), the main provisions for calculating the productivity of machining parts intensify cutting modes when choosing the optimal parameters of fixtures.…”

Section: Literature Reviewmentioning

confidence: 99%

Ensuring economic efficiency of flexible fixtures in multiproduct manufacturing

Ivanov

Liaposhchenko

Denysenko

et al. 2021

Engineering Management in Production and Services

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The first-priority directions for modern engineering, especially for multiproduct manufacturing, include the intensification of manufacturing processes, increasing the efficiency of technological equipment, and reducing the time required to implement technological solutions. Fixture design is a complicated and time-consuming process that requires considering many parameters of the closed-loop technological system “machine tool — fixture — cutting tool — workpiece”. One machined part can have several fixture layouts corresponding to all specified parameters; however, their effectiveness differs depending on production conditions. Search for an optimal fixture for specified production conditions is an essential stage of production planning. It has been proved that the efficiency of a manufacturing process should be assessed using single economic indicator — the cost of machining, which considers the costs of time, the total costs for process realisation, and a batch of parts. The paper aims to substantiate the efficiency of manufacturing processes in machining complex parts using flexible fixtures by developing a mathematical model that considers the cost of time, the cost of implementing the manufacturing process, and the batch value of parts production. This approach estimates the efficiency of manufacturing processes for machining complex parts and choosing the flexible fixture layout that corresponds to specific production conditions. It was proved that flexible fixtures could be effectively used for machining small batches of parts with frequent readjustments to new workpieces and short-term machining. A tendency has been established that the higher number of nomenclature of parts contributes to expanding the scope of the effective use of flexible fixtures.

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Section: Literature Reviewmentioning

confidence: 99%

Ensuring economic efficiency of flexible fixtures in multiproduct manufacturing

Ivanov

Liaposhchenko

Denysenko

et al. 2021

Engineering Management in Production and Services

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“…It is a well-known fact that high grinding performance and ensuring the accuracy and quality of machining depend on a stable thermal regime in the cutting zone by efficiently removing the released heat. Concerning that, M. Stepanov et al [ 22 ] have premised that the most instability is characteristic for the heat entering the machine tool from the coolant system. In this work, the potentialities of decreasing the influence of heat fluxes on the grinding machine’s accuracy by improving coolant tanks’ cooling ability were proposed.…”

Section: Literature Reviewmentioning

confidence: 99%

Parameter Identification of Cutting Forces in Crankshaft Grinding Using Artificial Neural Networks

et al. 2020

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The intensifying of the manufacturing process and increasing the efficiency of production planning of precise and non-rigid parts, mainly crankshafts, are the first-priority task in modern manufacturing. The use of various methods for controlling the cutting force under cylindrical infeed grinding and studying its impact on crankpin machining quality and accuracy can improve machining efficiency. The paper deals with developing a comprehensive scientific and methodological approach for determining the experimental dependence parameters’ quantitative values for cutting-force calculation in cylindrical infeed grinding. The main stages of creating a method for conducting a virtual experiment to determine the cutting force depending on the array of defining parameters obtained from experimental studies are outlined. It will make it possible to get recommendations for the formation of a valid route for crankpin machining. The research’s scientific novelty lies in the developed scientific and methodological approach for determining the cutting force, based on the integrated application of an artificial neural network (ANN) and multi-parametric quasi-linear regression analysis. In particular, on production conditions, the proposed method allows the rapid and accurate assessment of the technological parameters’ influence on the power characteristics for the cutting process. A numerical experiment was conducted to study the cutting force and evaluate its value’s primary indicators based on the proposed method. The study’s practical value lies in studying how to improve the grinding performance of the main bearing and connecting rod journals by intensifying cutting modes and optimizing the structure of machining cycles.

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“…The crankshaft is considered one of the most critical parts of an internal combustion engine since it solves the problem of converting translatory motion from engine piston to rotational moment [1][2][3][4]. It should be noted that this element of the crank mechanism is a constructively and technologically complex member.…”

Section: Introductionmentioning

confidence: 99%

“…As of today for final polishing and finishing processing CNC grinding machines have found the greatest application [2]. These machines implement high quality and precision of parts processing, but at the same time, their work as the dynamic systems has not been studied enough.…”

Section: Introductionmentioning

confidence: 99%

Ensuring the reliability and performance criterias of crankshafts

Kotliar¹,

Gasanov²,

Basova³

et al. 2018

Diagnostyka

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The issues of efficiency improvement of manufacturing crankshafts in order to ensure their reliability and performance criteria are the priorities in modern production of internal combustion engines. Using the capabilities of modern special grinding machines can improve the quality of machining and obtain the necessary running characteristics of crankshafts. In work the questions connected with development of a method of calculation of rigidity of crankshafts for increase of accuracy of their machining, reliability and performance criteria's are considered. Based on the proposed methodology, numerical calculations have performed and the possibility of determining the deflections and crankshafts rigidity in any section have been justified. The original construction of the following grinding steady rest for CNC grinding machines specified for machining the crankshaft main bearing journal and connecting rod journal is proposed. The construction design of the device allows for compensating the influence of the cutting force on the elastic strain of the part, depending on the change in its rigidity. The practical value of the research includes in develop recommendations for determining the optimal parameters for the round infeed grinding cycle of the crank pins from the point of view of productivity and accuracy.

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Model of Thermal State of the System of Application of Coolant in Grinding Machine

Cited by 12 publications

References 4 publications

Ensuring economic efficiency of flexible fixtures in multiproduct manufacturing

Ensuring economic efficiency of flexible fixtures in multiproduct manufacturing

Parameter Identification of Cutting Forces in Crankshaft Grinding Using Artificial Neural Networks

Ensuring the reliability and performance criterias of crankshafts

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