General Information

DIRECT INSULATION

Direct insulation means that vibration insulators are fitted directly under or in the machine, usually at the same locations as the available installation points. Direct insulation requires that the machine bed or base frame has sufficient intrinsic rigidity and that it will not warp or twist due to elastic mounting. In addition the machine geometry must allow the suitable arrangement of the insulators.

INDIRECT INSULATION

Machines whose intrinsic rigidity is not sufficient for direct insulation require a rigidly designed intermediate construction to be fitted between the insulators and the machine. This method also allows the positioning of the insulators to be optimised for the application.
Depending on

  • Machine dimensions,
  • Machine centre of gravity,
  • Dynamic forces acting on the machine,
  • Permissible machine movement,
  • Requirements on the insulation,
  • Mobility (flexible installation site),
  • Attachment parts or feeds,
  • Type of installation site(for example permissible floor loading, installation in above groundfloors of a building),

This is achieved either by providing ablock foundation made of concrete a steel platform or a cast plate. In this case the insulation isreferred to as indirect insulation.