R 408.14504 Definitions; H to M.

Rule 4504. (1) "Holding furnace" means a furnace designed to hold molten metal within a desired temperature range. (2) "Hot chamber machine" means a die casting machine where the injection mechanism is submerged in the molten metal. (3) "Lockout procedure" means a method of shutting off the power to equipment and securing it by means of a lock and key. (4) "Manually tended" means a machine which has an operator who controls the cycle, inserts or removes a part or ladles molten metal. (5) "Melting furnace," also known as a breakdown furnace, means a furnace designed to convert solid metals into a molten state. It includes a furnace designed as a combination melting and holding furnace.