I on American Crane & Equipment Corp.


Crane and Hoist Equipment and Components by Type > Resource Center > Crane Glossary > I


	I
	Click on a category to drill down.


		IDLER SHEAVE A sheave used to equalize tension in opposite parts of a rope. Because of its slight movement, it is not termed a running sheave.




		INDUSTRIAL DUTY CRANE Service classification covered by CMAA Specification No.70, “Specifications for Electric Overhead Traveling Cranes."




		INSULATION Motor winding insulation rating which indicates its ability to withstand heat and moisture.




		INVERTER (VARIABLE FREQUENCY DRIVE) A method of control by which the fixed line voltage and frequency is changed to a three-phase system with infinitely variable voltage and frequency.

I