Simulation and Experimental Study on a New Successive Forming Process for Large Modulus Gears

Abstract A successive tooth forming process for producing large modulus spur gears (m>2.5 mm) is firstly proposed in this paper to break the restrictions of large forming load and large equipment structure of traditional plastic forming. It contains the preforming stage and the finishing stage. I...

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Autores principales:	Yao Lin, Tao Wu, Guangchun Wang
Formato:	article
Lenguaje:	EN
Publicado:	SpringerOpen 2021
Materias:	Large modulus Gears Successive tooth forming Preforming Fold defects Ocean engineering TC1501-1800 Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/516d4deb86d54bcb8c7afc5ec883b98c
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spelling	oai:doaj.org-article:516d4deb86d54bcb8c7afc5ec883b98c2021-12-05T12:03:43ZSimulation and Experimental Study on a New Successive Forming Process for Large Modulus Gears10.1186/s10033-021-00653-51000-93452192-8258https://doaj.org/article/516d4deb86d54bcb8c7afc5ec883b98c2021-12-01T00:00:00Zhttps://doi.org/10.1186/s10033-021-00653-5https://doaj.org/toc/1000-9345https://doaj.org/toc/2192-8258Abstract A successive tooth forming process for producing large modulus spur gears (m>2.5 mm) is firstly proposed in this paper to break the restrictions of large forming load and large equipment structure of traditional plastic forming. It contains the preforming stage and the finishing stage. In the first stage, the die with a single-tooth preforms gear teeth one by one through several passes. In the second stage, the other die with multi-teeth refines the preformed teeth into required shape. The influence of total pressing depth and feed distribution in preforming stage on final forming quality is analyzed by numerical simulation, and the reasonable process parameters are presented. Successive tooth forming experiments are carried out on the self-designed gear forming device to verify the optimal simulation results. Gears without fold defects are well formed both in simulations and experiments, proving the feasibility of this method. Compared with the whole die forging process, the new technology has advantages of smaller load and simpler tooling, which shows a good potential for manufacturing large modulus and large size spur gears.Yao LinTao WuGuangchun WangSpringerOpenarticleLarge modulusGearsSuccessive tooth formingPreformingFold defectsOcean engineeringTC1501-1800Mechanical engineering and machineryTJ1-1570ENChinese Journal of Mechanical Engineering, Vol 34, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Large modulus Gears Successive tooth forming Preforming Fold defects Ocean engineering TC1501-1800 Mechanical engineering and machinery TJ1-1570
spellingShingle	Large modulus Gears Successive tooth forming Preforming Fold defects Ocean engineering TC1501-1800 Mechanical engineering and machinery TJ1-1570 Yao Lin Tao Wu Guangchun Wang Simulation and Experimental Study on a New Successive Forming Process for Large Modulus Gears
description	Abstract A successive tooth forming process for producing large modulus spur gears (m>2.5 mm) is firstly proposed in this paper to break the restrictions of large forming load and large equipment structure of traditional plastic forming. It contains the preforming stage and the finishing stage. In the first stage, the die with a single-tooth preforms gear teeth one by one through several passes. In the second stage, the other die with multi-teeth refines the preformed teeth into required shape. The influence of total pressing depth and feed distribution in preforming stage on final forming quality is analyzed by numerical simulation, and the reasonable process parameters are presented. Successive tooth forming experiments are carried out on the self-designed gear forming device to verify the optimal simulation results. Gears without fold defects are well formed both in simulations and experiments, proving the feasibility of this method. Compared with the whole die forging process, the new technology has advantages of smaller load and simpler tooling, which shows a good potential for manufacturing large modulus and large size spur gears.
format	article
author	Yao Lin Tao Wu Guangchun Wang
author_facet	Yao Lin Tao Wu Guangchun Wang
author_sort	Yao Lin
title	Simulation and Experimental Study on a New Successive Forming Process for Large Modulus Gears
title_short	Simulation and Experimental Study on a New Successive Forming Process for Large Modulus Gears
title_full	Simulation and Experimental Study on a New Successive Forming Process for Large Modulus Gears
title_fullStr	Simulation and Experimental Study on a New Successive Forming Process for Large Modulus Gears
title_full_unstemmed	Simulation and Experimental Study on a New Successive Forming Process for Large Modulus Gears
title_sort	simulation and experimental study on a new successive forming process for large modulus gears
publisher	SpringerOpen
publishDate	2021
url	https://doaj.org/article/516d4deb86d54bcb8c7afc5ec883b98c
work_keys_str_mv	AT yaolin simulationandexperimentalstudyonanewsuccessiveformingprocessforlargemodulusgears AT taowu simulationandexperimentalstudyonanewsuccessiveformingprocessforlargemodulusgears AT guangchunwang simulationandexperimentalstudyonanewsuccessiveformingprocessforlargemodulusgears
_version_	1718372252837216256

Simulation and Experimental Study on a New Successive Forming Process for Large Modulus Gears

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