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Electric Steam Iron – Section

by Corinth

Science, Physics

File ( 12MB )

Free

Description

Iron is a device used for ironing or smoothing the fabric using high temperature and pressure.

The main part of the iron is the heating element. It is a conductor carrying a current thereby heating and releasing heat (Joule heat). In order to the heat -losses to be small at the lead-in wires and the heating element to be heated primarily, its resistance must be much greater than the resistance of the wires. Heat from the heating element is transferred to the soleplate.

Soleplate is usually made of metal because of its better thermal conductivity causing the heat to be transferred to the whole surface of the plate. The surface has to be smooth, or could be covered with ceramic or Teflon coating so that the clothes are not sticking to the soleplate and it slids nicely. The heating element is of course insulated so that current does not pass through the soleplate.

Thermostat allows to maintain the desired temperature with an accuracy of a few ° C. It can be adjusted by turning the control button.