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粉末冶金制品烧结的炉型选择,其决定因素是:要烧结的材料、烧结温度和气氛、生产工艺要求和操作维护费用。步进式炉为在904℃至1343℃时烧结大批量粉末冶金制品提供了一种可靠的方式。用氮—氢混合物作气氛,并用进一出口封闭室(闸室)加以控制,炉温最高可达1649℃。 步进式是连续地传送制品通过炉子的方式。制品置于料盘或夹具上,通过高温烧结区。网带式炉,通常由于合金网带和加热室长度的限制,在1149～1649℃高温时,就不能工作。而步进式炉的容量只受设备所占有效面积的限制,它有长达全炉长的步进梁,包括进口室/台、预热区、高温区、冷却室和出口室/台。在制品通过较低的温度区,比如,预热室和冷却室,
Powder metallurgy sintering furnace selection, the deciding factor is: to be sintered material, sintering temperature and atmosphere, the production process requirements and operation and maintenance costs. Stepping furnaces provide a reliable way of sintering large quantities of powder metallurgy products at 904 ° C to 1343 ° C. Nitrogen - hydrogen mixture for the atmosphere, and into an outlet closed chamber (gate) to control the furnace temperature up to 1649 ℃. Stepping is the way to continuously convey the product through the oven. Products placed in the tray or fixture, through the high temperature sintering zone. Mesh belt furnace, usually due to the alloy mesh belt and the length of the heating chamber, at 1149 ~ 1649 ℃ high temperature, it can not work. The capacity of the step-by-step furnace is limited only by the effective area of the equipment. It has a walking beam length of all furnaces, including the inlet chamber / stage, the preheating zone, the high temperature zone, the cooling chamber and the outlet chamber / stage. In the product through the lower temperature zone, for example, the preheating chamber and the cooling chamber,