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Anglicky v odborných předmětech "Support of teaching technical subjects in English “

Anglicky v odborných předmětech "Support of teaching technical subjects in English “. Tutorial : Engineering technology Topic : Rivet joints Prepared by: Ing. Jaroslav Hábl. Projekt Anglicky v odborných předmětech, CZ.1.07/1.3.09/04.0002

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Anglicky v odborných předmětech "Support of teaching technical subjects in English “

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  1. Anglicky v odborných předmětech"Support ofteachingtechnicalsubjects in English“ Tutorial: Engineering technology Topic: Rivet joints Prepared by: Ing. Jaroslav Hábl Projekt Anglicky v odborných předmětech, CZ.1.07/1.3.09/04.0002 je spolufinancován Evropským sociálním fondem a státním rozpočtem České republiky.

  2. Rivet joint is non-dismountable joint with the shape contact. • It is made by permanent rivet deformation or one of connected parts. • Rivet joint is not capable to provide exact position of connected parts. • Presently, rivet joints are mostly replaced by welded joints. • They are mainly used in such areas where it is not possible to apply other technologies (e.g. aviation) RIVET JOINTS

  3. TYPES OF RIVETS a) Withsemi-ballshapedhead, b) withflatsemi-ballshapedhead, e) Withflathead, f) drilled, g) boiler´s, h) shipping, closed, l) split, m) hollowwithmandrel

  4. DIRECT RIVETING Direct riveting – one of the components is riveted in another.

  5. INDIRECT RIVETING Indirect riveting – for joining parts is used independent riveting connection.

  6. According to the number of cross-sections, where rivet cutting can happen, rivet joints are divided into: - one-cutting - two-cutting TYPES OF RIVET JOINTS

  7. Closing head Checknut Closing little head Supporting head Rivet shank Supporting little head MANUAL RIVETING Gripping length Allowance Rivet length Manual riveting

  8. 1 Mandrel with rivet 2 Fixed to riveting pliers 3 Mandrel stretches rivet and it tears 4 Rivet is seated RIVETS WITH MANDREL

  9. Choice of rivet diameter: d = 2s fors ≤12 mm, d = s + 10 fors>12 One-cutting rivets: Slide: F ≤ n ⋅ A⋅τD,s whereA = π . d2 / 4 Imprint: F ≤ n ⋅ A⋅ pD whereA = d . s Two-cutting rivets: Slide: F ≤ n ⋅2A⋅τD,s whereA = π . d2 / 4 Imprint: F ≤ n ⋅ A⋅ pD whereA = d . s Calculation of rivet joint

  10. Literature • Stroje a zařízení I, J. Doleček, P. Gajdoš, V. Novák • Strojnictví I, J. Doleček, Z. Holoubek • Strojnictví II, J. Doleček, Z. Holoubek • Moderní strojírenství, Josef Dillinger a kolektiv

  11. Write down the types of rivets. • What is the difference between direct and indirect riveting. • Draw the rivet with mandrel.

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