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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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Presentation on theme: "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."— Presentation transcript:

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

3 Pressed and plunger connections

4  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 )

5  Plunger connection system / non disassemble able  Scope of using: Car assembly (coachwork) Electro technical industry Manufacturing of domestic goods / fastening of handles, cables, company’s symbols etc.

6  Types of plunger connectors:

7  Plunger connection of rounded shapes

8  Plunger connections using member elements  Build in connection latch

9  Pressed connection Press pincers  Cold press connection

10  1. Cold pressed connections  Operation uses press.

11  2. Contacts pressing by transversal shrinkage  Hot:  Into heated outer part an inner cold part is inserted.  Universal joint – Hot pressing-Pressing tool

12  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

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14  ucivo.blogspot.com/2011/04/2194- rychloupinaci-zapadkove-spoje.html ucivo.blogspot.com/2011/04/2194- rychloupinaci-zapadkove-spoje.html


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