| 摘要 |
PURPOSE: A heat treatment device is provided to reduce manufacturing costs and power consumption by efficiently using hot air, and to prevent an object from being contacted with external air. CONSTITUTION: A heat treatment device(10) is composed of a circulating fan, a heater(34), a shutter(14), a flow route forming member, and a guide member. The shutter is composed of multiple shutter pieces, and opens and closes a part of a furnace. The flow route forming member forms a route for circulation air. The guide member guides the circulation air toward one end of the route formed by the flow route forming member. |
