+ All Categories
Home > Documents > R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This...

R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This...

Date post: 11-Feb-2019
Category:
Upload: hadang
View: 227 times
Download: 0 times
Share this document with a friend
23
Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH. II Seminário: A Otimização de Produtos Automotivos 1 Neumayer Tekfor - Dateiname - 17 May 2010 R&D Transmission Engrenagens Leves Escolha do Melhor Design com Base na Otimização Topológica Dr.-Ing. Mauro Moraes de Souza Chief Engineer Tech Center Brazil May 17 th ,2010
Transcript
Page 1: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

1Neumayer Tekfor -

Dateiname -17 May 2010

R&D Transmission

Engrenagens LevesEscolha do Melhor Design

com Base na Otimização Topológica

Dr.-Ing. Mauro Moraes de Souza

Chief Engineer Tech Center Brazil

May 17th ,2010

Page 2: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Neumayer Tekfor – Parceiro global da indústria automotiva

Presença global - Plantas:

3 na Alemanha - 1 na Itália - 1 nos EUA - 1 no México - 3 no Brasil - 2 na Índia

Soluções inovadoras para:

Transmissão – Motor – Driveline – Fixação – Aplicação Especial

2 Centros Tecnológicos: Alemanha - Brasil

Page 3: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

NTIS: Neumayer Tekfor Innovation Stream

Eixo do comando de válvulas – NT® CamShaft

Diferencial leve – NT® LightDiff

Eixo de transmissão oco – NT® Tekmount

Page 4: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Escolha do melhor design para engrenagens leves

Engrenagem do eixo de saída – 1ª marcha

Situação atual

Motor: 3.0 l;

Tipo de veículo: passeio;

Aplicação: Torques de até 1500 Nm

Engrenagem da caixa de câmbio

Massa atual = 2,4 kg

parede

alívios

raios

espessura

Page 5: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Restrições de projeto

Máximo deslocamento radial: 0,1 mm

Máximo deslocamento axial: 0,4 mm

Não alterar as áreas em azul!

Áreas congeladas

Engrenagem do eixo de saída – 1ª marcha

Page 6: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Modelo FEM da geometria atual

Geometria atual

Força tangencial

Força radial

Força axial

Forças atuantes ao longo do

Ø primitivo

Elementos tetraédricos

Tamanho do elemento

Geral: 2 mm

Dentes: 0,5 mm

Condições de contorno

SPC e RBE2 no centro

geométrico da peça

Page 7: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Deslocamento axial da geometria atual

Fator de magnitude = 100

0,2059

Máx.= 0,4 mm

Fator de magnitude = 100

Page 8: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Deslocamento radial da geometria atual

Fator de magnitude = 100

Máx.= 0,1 mm

0,0877

Fator de magnitude = 100

Page 9: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Tensão de Von Mises na geometria atual

σyield= 0,25

Axial = 0,2059 mm

Radial = 0,0877 mm

σV/σy= 0,25 no pé do dente

Estado atual:

σVon mises

Page 10: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Escolha da geometria – Otimização topológica

G = ƒ(espessura, parede, alívios, raios)

Melhor geometria = ƒ (massa,G)

4 Geometrias de Partida A, B, C e D

Page 11: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Geometria Otimizada

Geometria Atual (A, B, C, D)

Geometria B – Otimização Topológica

1

3

Otimização Topológica

2

Page 12: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Escolha da geometria – Otimização topológica

G = ƒ(espessura, parede, alívios, raios)

Melhor geometria = ƒ (massa,G)

Page 13: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Geometria Otimizada “B”

m = 2,03 kg

Geometria Atual

m = 2,40 kg

Geometria B – Otimização Topológica

1

3

Otimização Topológica

2

Page 14: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Deslocamento axial da geometria B

Fator de magnitude = 100

Máx.= 0,4 mm

0,3322

Fator de magnitude = 100

Page 15: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Deslocamento radial da geometria B

Máx.= 0,1 mm

0,1

Fator de magnitude = 100

Fator de magnitude = 100

Page 16: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Tensão de Von Mises na geometria B

σyield= 0,41σVon mises0,32

Axial = 0,3322 mm

Radial = 0,1 mm

σV/σy = 0,41 na alma

Geometria B:

σV/σy = 0,32 no pé do dente

Legend

Von Mises Stress /

Yield Strength [Mpa]

Page 17: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Otimização de forma

Geometria “B”

m = 2,03 kg

1

2

Forma final

m = 2,03 kg

Page 18: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Deslocamento axial da Forma final

Fator de magnitude = 100

Máx.= 0,4 mm

0,2187

Fator de magnitude = 100

Page 19: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Deslocamento radial da Forma final

Fator de magnitude = 100

Máx.= 0,1 mm

0,0708

Fator de magnitude = 100

Page 20: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Tensão de Von Mises na Forma final

σyield= 0,33σVon mises

Axial = 0,2187 mm

Radial = 0,0708 mm

σV/σy = 0,33 no pé do dente

Geometria otimizada:

Page 21: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Resumo

15,4% redução de massa

Deslocamento axial [mm]:

Deslocamento radial [mm]:

σVon Mises/ σyield :

Atual Forma Final

0,206

0,088

0,25 0,33

0,071

0,219

Limites

1,00

0,100

0,400

Topológica “B”

0,332

0,100

0,41

Page 22: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Considerações finais

As ferramentas de CAE são instrumentos de apoio excelentes para o

engenheiro de produto na busca de soluções inovadoras que atendam as

necessidades atuais da nossa sociedade.

O sucesso de forma eficiente e eficaz não prescinde, porém, do bom senso

e da criatividade do engenheiro de produto.

Page 23: R&D Transmission - Automotive Business Souza.pdf · Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor

Copyright © Neumayer Tekfor Holding GmbH. This document and the information embodied herein is the property of Neumayer Tekfor Holding GmbH and is disclosed in

confidence for informational purposes only. It may not be copied, disclosed or used for any purpose without the prior written consent of Neumayer Tekfor Holding GmbH.

II Seminário: A Otimização de Produtos Automotivos

Obrigado pela atenção


Recommended