Analysis of spheroidized AISI 1050 steel in terms of cutting forces and surface quality

Baday, Şehmus; Başak, Hüdayim; Güral, Ahmet

doi:10.4149/km_2016_5_315

Cited by 4 publications

(4 citation statements)

References 10 publications

(10 reference statements)

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“…The seat frame is made of AISI 1050 Cold-drawn Steel because it has some properties that are suitable to fulfil the functions. That kind of steel is very strong and long-lasting since it has a high yield strength and ultimate strength compared to the other steel (Baday et al, 2016). However, it is not as light as stainless steel.…”

Section: Resultsmentioning

confidence: 99%

Motorcycle Child Seat for Child with Special needs: Its Design Process and Problem-based Learning

Qushai

Sholeh

Budiarta

et al. 2021

Indones. J. Community. Spec. Needs. Educ.

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Most of child safety seats for motorcycle available in Indonesian market do not provide enough safety for the children passenger, especially for special needs child. This makes a special needs child cannot ride a motorcycle and prefer to use an automobile for their transportation means. However, it becomes a problem for a low-income family that can only afford a motorcycle. To address this problem, the present work aims to i) design a portable child safety seat for those with special needs that can be placed at the back side of the motorcycle, ii) provide safety feeling to the child by making a capsule-like shape for overall protection, iii) demonstrate an education case-study for mechanical design course. Discussion on how to determine the specification based on problem definition as well as the explanation on the design process of seat’s frame and body are provided. This work can be also used a reference for problem-based learning in mechanical engineering design course.

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Section: Resultsmentioning

confidence: 99%

Motorcycle Child Seat for Child with Special needs: Its Design Process and Problem-based Learning

Qushai

Sholeh

Budiarta

et al. 2021

Indones. J. Community. Spec. Needs. Educ.

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“…Bu düşme eğilimi beklenen bir eğilimdir. Yüzey pürüzlülüğünü iyileştirmek için kesme hızının arttırılması, literatürdeki en yaygın yöntemdir [44][45][46][47][48]. Kesme hızının artmasıyla yüzey pürüzlülüğünün iyileşmesi, kesme bölgesinde yüksek kesme hızlarının sebep olduğu artan sıcaklıklardan dolayı iş parçası malzemesinin, burun yarıçapı ve kesici kenar çevresinde rahat bir şekilde deforme edilmesi, deformasyon işleminin kolaylaşması ve aynı zamanda yüksek sıcaklıklarda oluşan akma bölgesine bağlı olarak izah edilebilir.…”

Section: Yüzey Pürüzlülüğünün Değerlendirilmesi (Evaluation Of Surfacunclassified

AISI 316L çeliğinin tornalanmasında kesici takım formlarının yüzey bütünlüğü üzerine etkisi

Gürbüz

Kafkas

Şeker

2019

Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi

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Highlights:Graphical/Tabular Abstract  It was found that cutting parameters have a significant effect on surface integrity.  Surface integrity results obtained with cutting tools with MF turned out to be better than those obtained with cutting tools with MM.  As the rake angle increased, the surface integrity improved as well. Purpose:The aim of this conducted study, depending on the different cutting tool forms and the change in cutting parameters, can be summarized as measurement of the surface roughness on machined workpieces and the cutting forces formed during the cutting experiments, and determination of the residual stresses having occurred after machining, and establishing metallurgical structure of the surface layers (determination of microstructural changes and measurement of microhardness) and exhibiting the relation of all of them with each other, and improvement of surface integrity. Theory and Methods:TC-35 JOHNFORD brand CNC lathe was used in the experiments. The cutting forces were measured with a dynamometer of KISTLER 9275B type. The Mahr Perthometer M1 surface roughness meter was used to measure the surface roughness of the workpieces. The residual stresses were determined by X-ray diffraction technique using sin 2 ψ method. SHIMADZU HMV2 microhardness device was used to measure the hardness of the specimens occurring during chip removal processes. Microstructural characterization studies were performed with Jeol JSM 6060LV model Scanning Electron Microscope (SEM). Results:The findings obtained from this experimental study were evaluated and summarized as follows.In all cutting conditions, surface integrity was observed to get worsened when depth of cutting and feed value were increased, while it improved with the increase in cutting speed. When the cutting tool forms were compared, the best surface integrity results were obtained with MF-shaped cutting tools; however, the worst surface integrity results were obtained with MM-shaped cutting tools. As rake angle increased, surface integrity also improved. While the best surface integrity was obtained when the cutting speed was 200 m/min, the feed rate was 0.1 mm/rev and the depth of cut was 1.25 mm, the worst surface integrity was obtained when the cutting speed was 125 m/min, the feed rate was 0,3 mm/rev and the depth of cut was 2,5 mm. Conclusion:As a result of literature review, no work, where the effects of cutting tool forms and cutting parameters on surface integrity have been undertaken as a whole in machining of AISI 316L austenitic stainless steel, has been encountered. By doing so, it is a basic objective to determine the optimum shape of the cutting tool form affecting chip formation during the metal removal process, thereby minimize the variations in cutting forces, and ensure a good surface quality, and provide that the residual stresses on the machined surfaces are at minimum level. In this context, it will be another goal to keep the chip formation at optimum level, and reduce the negative effect of residual stresses on chip re...

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“…According to the authors [4,5], the concept of surface integrity can be defined as the sum of the conditions under which the functional surface is formed, taking into account the consequences of the technological methods manifested on the quality of the machined surface of the manufactured components. Quality of components can generally be measured by dimensional and shape accuracy, the texture of the surface, and properties of the surface layer [6,7]. As previously defined in the authors' research papers [8,9], the most frequently evaluated surface integrity parameters include microgeometry (surface texture), hardening of the surface layer after machining, as well as structural changes in the surface layer.…”

Section: Introductionmentioning

confidence: 99%

Material and technological investigation of machined surfaces of the OCHN3MFA steel

Barényi¹,

Majerík²,

Pokorný³

et al. 2021

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This paper deals with the effect of selected cutting parameter values in machining of OCHN3MFA steel on AFM and SEM microstructural analysis, cutting forces, nanohardness, 2D and 3D surface roughness, and material removal rate of surface layers after machining. OCHN3MFA steel was selected and used to perform experiments. Firstly, the selected steel was investigated before machining tests, due to the checking of the initial microstructure and chemical composition. The microstructure was performed on the Tescan Vega TS 5135 scanning electron microscope (SEM) with the X-ray microanalyzer Noran Six/300, and the Oxford Instruments MFP-3D Infinity atomic force microscope (AFM). Chemical composition was analyzed on Tasman Q4 surface analyzer. All machining tests of the used samples were performed under the selected cutting parameters in the SU 50A lathe machine tool with the CNMG 120408-M5 cementite carbide cutting insert clamped in the suitable DCLNR 2525M12-M cutting tool holder. During the machining process of testing samples, individual components of cutting forces were measured on a Kistler 9257B piezoelectric dynamometer with their subsequent evaluation using software Dynoware. Other experiments following the machining process were performed, evaluating the effect of selected cutting parameters on surface hardening. Surface hardening after machining of testing samples was subsequently measured on Hysitron TI950 Triboindenter with a Cube Corner measuring tip and evaluated by software Triboscan. 2D and 3D surface roughness and material removal rate (MRR) were finally performed on Talysurf CCI Lite and evaluated by software TalyMap Platinum.

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Analysis of spheroidized AISI 1050 steel in terms of cutting forces and surface quality

Cited by 4 publications

References 10 publications

Motorcycle Child Seat for Child with Special needs: Its Design Process and Problem-based Learning

Motorcycle Child Seat for Child with Special needs: Its Design Process and Problem-based Learning

AISI 316L çeliğinin tornalanmasında kesici takım formlarının yüzey bütünlüğü üzerine etkisi

Material and technological investigation of machined surfaces of the OCHN3MFA steel

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