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		Riveting - Course: Technique for manual working of materials. Trainees' handbook of lessons (Institut für Berufliche Entwicklung, 22 p.)
			(introduction...)
			1. Purpose of riveting
			2. Kinds of rivets
			3. Kinds of riveted joints
			4. Tools and auxiliary means for riveting
			5. Calculations for the selection of rivets
			6. Technological process of riveting
			7. Loosening of a riveted connection
			8. Riveting faults

7. Loosening of a riveted connection

A riveted connection can be undone only by destroying the rivet.

For this purpose, one rivet head has to be chiselled off by a flat chisel, and the rivet has to be driven out of the hole with the help of a drift pin.

Figure 32 - Chiselling-off of rivet heads

Beware of splitting off rivet heads - put up a safety lattices or safety guards.

Rivets can be destroyed also by drilling or grinding-off of the rivet heads.