Elementos de transmissão flexívies

Apresentação em tema: "Elementos de transmissão flexívies"— Transcrição da apresentação:

1 Elementos de transmissão flexívies
Capítulo 17 Elementos de transmissão flexívies © 2015 by McGraw-Hill Education.  This is proprietary material solely for authorized instructor use. Not authorized for sale or distribution in any manner.  This document may not be copied, scanned, duplicated, forwarded, distributed, or posted on a website, in whole or part.

2 Chapter Outline Shigley’s Mechanical Engineering Design

3 Correias sincronizadoras
passo Linha primitiva da correia Diâmetro primitivo da polia Diâmetro de raiz da polia Diâmetro externo da polia Fig.17–15 Shigley’s Mechanical Engineering Design

4 Passos de correias Antigas
5,08 Table 17–18 Shigley’s Mechanical Engineering Design

5 Evolução das correias sincronizadoras
Shigley’s Mechanical Engineering Design

6 Evolução das correias sincronizadoras
Shigley’s Mechanical Engineering Design

7 Evolução das correias sincronizadoras
Dentes em neoprene Face de contato com a polia em tecido de poliamida Cordões tensores Cordões tensores Shigley’s Mechanical Engineering Design

8 Evolução das correias sincronizadoras
Shigley’s Mechanical Engineering Design

9 Evolução das correias sincronizadoras
Shigley’s Mechanical Engineering Design

10 Evolução das correias sincronizadoras
Shigley’s Mechanical Engineering Design

11 Evolução das correias sincronizadoras
Shigley’s Mechanical Engineering Design

12 Evolução das correias sincronizadoras
Shigley’s Mechanical Engineering Design

13 Evolução das correias sincronizadoras
Shigley’s Mechanical Engineering Design

14 Dimensionamento das correias sincronizadoras
Shigley’s Mechanical Engineering Design

15 Roller Chain Fig.17–16 Shigley’s Mechanical Engineering Design

16 Dimensions of American Standard Roller Chains
Table 17–19 Shigley’s Mechanical Engineering Design

17 Engagement of Chain and Sprocket
Fig.17–17 Shigley’s Mechanical Engineering Design

18 Chain Velocity Shigley’s Mechanical Engineering Design

19 Chordal Speed Variation
Fig.17–18 Shigley’s Mechanical Engineering Design

20 Roller Chain Rated Horsepower Capacity
Shigley’s Mechanical Engineering Design

21 Roller Chain Rated Horsepower Capacity
Shigley’s Mechanical Engineering Design

22 Available Sprocket Tooth Counts
Shigley’s Mechanical Engineering Design

23 Tooth Correction Factors K1
Table 17–22 Shigley’s Mechanical Engineering Design

24 Multiple-Strand Factors K2
Table 17–23 Shigley’s Mechanical Engineering Design

25 Nominal Power Ratings for Chain
From American Chain Association publication Chains for Power Transmission and Materials Handling For single-strand chain Nominal power, link-plate limited Nominal power, roller-limited Shigley’s Mechanical Engineering Design

26 Chain length in pitches
Chain Dimensions Chain length in pitches Center-to-center distance Shigley’s Mechanical Engineering Design

27 Power that must be transmitted
Chain Drive Power Allowable power Power that must be transmitted Shigley’s Mechanical Engineering Design

28 Variations in Tabulated Power Conditions
Power ratings in Table 17–20 are for chains of 100 pitch length and 17-tooth sprocket. For deviations from this, From a deviation viewpoint, Shigley’s Mechanical Engineering Design

29 Recommended Maximum Chain Speed
Shigley’s Mechanical Engineering Design

30 Example 17–5

31 Example 17–5 Shigley’s Mechanical Engineering Design

32 Example 17–5 Shigley’s Mechanical Engineering Design