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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 : Pressed and plunger connections Prepared by: Ing. Elena Nová. 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: Pressed and plungerconnections Prepared by: Ing. Elena Nová Projekt Anglicky v odborných předmětech, CZ.1.07/1.3.09/04.0002 je spolufinancován Evropským sociálním fondem a státním rozpočtem České republiky.

  2. Pressed and plunger connections

  3. Pressed and plunger connections • Plunger connection • 1. Disassembling • 2. Not disassembling • Mostly from plastic or spring steel • For assembling is used material’s elasticity • One part MUST be plastic / elastic • These connections can be in shape of ‘hook’ ‘with protrusions’ or ‘rounded’. • Enable simple and quick connection of thin sheets, parts of nonmetal, (plastics, glass and ceramic materials )

  4. Pressed and plunger connections • Plunger connection system / non disassemble able • Scope of using:Car assembly (coachwork)Electro technical industryManufacturing of domestic goods / fastening of handles, cables, company’s symbols etc.

  5. Lisované a západkové spoje • Types of plunger connectors:

  6. Pressed and plunger connections • Plunger connection of rounded shapes

  7. Pressed and plunger connections • Plunger connections using member elements • Build in connection latch

  8. Pressed and plunger connections • Pressed connection Press pincers • Cold press connection

  9. Pressed and plunger connections • 1. Cold pressed connections • Operation uses press.

  10. Pressed and plunger connections • 2. Contacts pressing by transversal shrinkage • Hot: • Into heated outer part an inner cold part is inserted. • Universal joint – Hot pressing-Pressing tool

  11. Pressed and plunger connections • 3. Pressing of joints - Transverse expansion is provided by sub-cooling of inner part-shaft • For cooling is used dry ice / solid CO2, up-to -79 deg. C / or liquid nitrogen up to -190 deg. C

  12. Answer questions:

  13. Used literature • http://strojirenstvi-ucivo.blogspot.com/2011/04/2194-rychloupinaci-zapadkove-spoje.html

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