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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 odborn ch p edm tech support of teaching technical subjects in english

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.

pressed and plunger connections1
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 )
pressed and plunger connections2
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.
lisovan a z padkov spoje
Lisované a západkové spoje
  • Types of plunger connectors:
pressed and plunger connections3
Pressed and plunger connections
  • Plunger connection of rounded shapes
pressed and plunger connections4
Pressed and plunger connections
  • Plunger connections using member elements
  • Build in connection latch
pressed and plunger connections5
Pressed and plunger connections
  • Pressed connection Press pincers
  • Cold press connection
pressed and plunger connections6
Pressed and plunger connections
  • 1. Cold pressed connections
  • Operation uses press.
pressed and plunger connections7
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
pressed and plunger connections8
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
used literature
Used literature
  • http://strojirenstvi-ucivo.blogspot.com/2011/04/2194-rychloupinaci-zapadkove-spoje.html
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