2021
DOI: 10.17973/mmsj.2021_12_2021104
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Optimization of Bellows and Tubes Cutting by Disc Knife to Achieve the Minimum Burr Size

Abstract: The paper solves the determination of the optimal size of the shear gap when dividing components with a circular cross section (hydroformed metal bellows and tubes) with a disc knife to achieve the smallest burr size on the divided surfaces. The analyzes were performed on bellows with an outer diameter of 15 mm and a wall thickness of 0.4 mm. During the experiments, the size of the shear gap between the inner disc knife and the outer knife was changed, and the pressing force of the inner disc knife was changed… Show more

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Cited by 6 publications
(6 citation statements)
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“…The manufactured versions of the sensor and its most important components, which are necessary for the production process of the problematic line, are shown below (Fig. 3) [12,13]. The complete ultrasonic sensor manufacturing process consists of several technological operations, while only the cap and seal assembly sub-process were important for the subject of this study.…”
Section: Case Study For Determination Of Bottlenecks and Problemsmentioning
confidence: 99%
See 1 more Smart Citation
“…The manufactured versions of the sensor and its most important components, which are necessary for the production process of the problematic line, are shown below (Fig. 3) [12,13]. The complete ultrasonic sensor manufacturing process consists of several technological operations, while only the cap and seal assembly sub-process were important for the subject of this study.…”
Section: Case Study For Determination Of Bottlenecks and Problemsmentioning
confidence: 99%
“…Other technological operations of the manufacturing process are curing, piezo potting, dispensing of heat-conductive paste, seating and welding, pressing, and laser welding of the housing. After calibration, testing, and drying, there is a sub-process of cap and seal fitting, which will be further discussed in this case study as it is a bottleneck [12].…”
Section: Case Study For Determination Of Bottlenecks and Problemsmentioning
confidence: 99%
“…Among the currently developed technologies of plastic deformation of metallic materials, severe plastic deformation (SPD) methods are worth to mention [5][6][7]. This plastic deformation technologies consists of transforming the micrometric structure of coarse-grained materials into ultra-fine (UFG with grain size in range of 100-1000 nm) and/or nanometric materials (grain size < 100 nm) by re-organizing the dislocation structure created during plastic deformation [8][9].…”
Section: Introductionmentioning
confidence: 99%
“…The grain size of polycrystalline materials plays a major role in dictating many critical properties including the strength and flow stress [5,6,8,11]. In general, materials with small grain sizes have several advantages over their coarse-grained counterparts because they have higher strength and other favorable properties including a potential for use in superplastic forming operations at elevated temperatures.…”
Section: Introductionmentioning
confidence: 99%