Anglicky v odborn ch p edm tech support of teaching technical subjects in english
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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 odborných předmětech "Support of teaching technical subjects in English “

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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 connections

Pressed and plunger connections


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


A nswer questions

Answer questions:


Used literature

Used literature

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


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