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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 : Screw connections 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:Screwconnections 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. Screw & Bolt connections belong to demountable connections with shaped contact • Screws are most often used machine components. • They are common structural components, their usage is large and thanks to screws, nuts, washers…they are standardized and that is why they can be changed. SCREW/ BOLTCONNECTIONS

  3. By nut and bolt By embeded bolt By studs BASIC KINDS OF BOLT CONNECTIONS

  4. Connected components are forced to each other by bolt head and nut. NUT BOLTS

  5. Connected components are forced to each other by nut and thread screw component, spring washer prevents screw loosening. STUDS

  6. Connected components are forced to each other by conical head and threaded screw component. EMBEDED SCREWS

  7. Screw connection can be loosen during operation consequently with printing of bearing surfaces or by the influence of dynamic stress and its function can be lost. That is why screw connection is secured. Security can be made by shape or power contact with secure element, alternatively by material contact. SCREW CONNECTIONS´ SECURITY

  8. SHAPEDLOCKING OF BOLT CONNECTIONS by split pin, b) by split pin with top nut, c) by washer with peen, d) by washer with latch, e) security by wire, f) by Kmnut with MB washer, g) by cutting screw top to connected component

  9. POWER SECURITY OF BOLT COMPONENTS by spring washer, b) by harden nut, c) by 2-part nut, d) by nut with polyamid ring

  10. SCREW CONNECTIONS´ SECURITY BY MATERIAL CONTACT a) and b) by welding, by soldering, by painting

  11. 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 Dilinger a kolektiv Translation: • www.seznam.cz • www.slovnik.cz • JANATA, Petr. Handy slovník technický anglicko-český a česko-anglický. Plzeň: Nakladatelství Fraus, 2000. ISBN 80-7238-075-3 • Lingea LEXIKON 5, Technický slovník anglicko-český a česko-anglický. 2010.

  12. Draw and describe bolt connection. • Draw and describe at least 2 ways of shapedbolt security. • Draw and describe at least 2 ways of power bolt security.

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