Experimental investigation on tube flaring with a rotating tool

Mamros, Elizabeth M.; Nikhare, Chetan P.

doi:10.1088/1757-899x/418/1/012118

Cited by 2 publications

(1 citation statement)

References 14 publications

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“…Several trials of tube end forming at varing rotational speeds and compared with other conventional flaring techniques. [7] Numerous studies have tried to execute numerical and FEA of the flaring process, a new process by using the Reuleaux triangle tool to perform the tube flaring into a square tube. The use of the Reuleaux triangle gives more formability than the conventional method which signifies the thinning aspect of the tube.…”

Section: Introductionmentioning

confidence: 99%

A Numerical Study on Conventional Tube Flaring Process

Singh

Brar

Kumar

2022

Advances in Transdisciplinary Engineering

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Tube flaring process involves a conical tool of a certain length which is displaced to get an end flared tube, which is utilized to form a tight seal between pipes or tubes. Tube flaring refers to a kind of forging which is often a cold working operation. The tube forming process is widely used in several industries to form condenser pipes, car seat structures, exhaust piping, etc. Thin-walled tubes were used in automobiles to reduce the total weight for better performance. A conical tool is used for tube end forming in which the tool is moved into the tube known as conventional tube flaring. In this work, a numerical study was directed using FEA software ANSYS/Implicit which is used to analyze the stress conditions involved in tube flaring. Here, the tool is considered rigid and displaced by using displacement control by 25 mm, and other parameters were studied at this displacement. Effects of different semi-cone angles were also considered for the study.

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Section: Introductionmentioning

confidence: 99%

A Numerical Study on Conventional Tube Flaring Process

Singh

Brar

Kumar

2022

Advances in Transdisciplinary Engineering

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An Investigation into Conventional Spinning Process Using Ball Shaped Rollers as Forming Tool

Abd-Eltwab,

Helal,

El-Sheikh

et al. 2023

Manufacturing Technology

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Conventional spinning is one of the oldest processes used widely in manufacturing to obtain cup shape products. Conventional spinning is the technique that produces axisymmetric part or component over rotating mandrel with the help of rigid tool known as rollers. The shape of roller is a very important parameter for the success of the spinning process. The present research is aiming to use ball shaped rollers as forming tools in conventional spinning process experimentally. The experimental work was carried out on the center lathe machine as forming machine, the spinning tool or spinning rollers were installed on a dynamometer replaced the tool post while the mandrel was mounted on the lathe chuck. The spinning tool in this work consists of three rollers performing conventional spinning. The set of rollers is mounted on jaws of lathe chuck which working as a holder for the spinning tool parts. The experimental work was conducted in order to test the proposed tool and investigate the influence of the main conventional spinning parameters (mandrel rotational speed, axial feed and blank diameter or spinning ratio) on the process forming load and the product quality. The response of the product quality and required load to process parameters such as rotational speed (76,150, 230 and 305 rpm), axial feed (0.08, 0.15,0.3, and 0.6 mm/rev) also examined new rollers in different mandrel diameters 45, 60 and 80 mm. The experimental results showed that, the suggested tool acquired a spinning ratio of 2.17 which is about 35% greater than the announced conventional spinning ratio of 1.6 without any addition to the tool just using the suggested Ball shaped roller arrangement. The mandrel rotational speed, and axial feed rate are the most pronounced parameters, which have great effects on the forming loads during the spinning process.

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Experimental investigation on tube flaring with a rotating tool

Cited by 2 publications

References 14 publications

A Numerical Study on Conventional Tube Flaring Process

A Numerical Study on Conventional Tube Flaring Process

An Investigation into Conventional Spinning Process Using Ball Shaped Rollers as Forming Tool

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