annealing furnace การใช้

• After being taken out of the annealing furnace, the dies must cool for 24 to 36 hours.
• This happens when a cleaning detergent is left on the coin when it goes into the annealing furnace.
• So the workers feed the steel into an annealing furnace at temperatures as high as 1, 300 degrees Celsius.
• This shop had nine oil-fired heating furnaces, including a car bottom type annealing furnace, all with doors operated by compressed air.
• Each workshop had a series of standard features, such as rows of melting holes, teaming pits, roof vents, rows of shelving for the crucible pots and annealing furnaces to prepare each pot before firing.
• The line consists of an entry end washing section to remove rolling oils, an open air annealing furnace where the strip is heated above and three acid pickling tanks followed by rinsing and drying units.