Hot Press Sintering Furnace Structural Characteristics
Min.Order Quantity: 1 Set/Sets Hot Press Sintering Furnace Structural Characteristics
Supply Ability: 2 Set/Sets per Month Hot Press Sintering Furnace Structural Characteristics
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The hot-pressing sintering furnace has high working temperature, high vacuum, high pressure resultant force and good cooling conditions. Except for heating and insulation parts, the other parts of the furnace body are strongly cooled, which puts forward higher requirements for structural design and manufacturing accuracy. Here we will understand its structural characteristics.
(1) Furnace body is made of stainless steel, which is double-layer structure. It is divided into inner and outer barrels. Furnace bottom head is processed by spinning process. Because the force produced by the hot-pressing device is to be borne by the furnace body, the furnace body must have high strength and sufficient stiffness, and must not be deformed under external force and high temperature. The center line of the fixed seat of the dynamic sealing device at the bottom of the furnace must be perpendicular to the flange on the furnace body to ensure the straightness of the movement of the lower ejector rod. The fixed seat of the dynamic compact soil package has good cooling conditions to prolong the service life of the seals.
(2) The furnace cover is composed of a furnace cover body, a lifting cylinder and an upper pressure head. The furnace cover is a double-layer structure. In order to withstand the pressure transmitted by the lower jack rod, it must have sufficient strength and stiffness. The lower end of the upper pressure head is in the high temperature zone when it works, so it must be forced to cool.
(3) The insulating barrel is composed of insulating barrel, reflecting barrel, insulating layer and barrel body, which are made of graphite, molybdenum sheet, graphite felt and stainless steel respectively. The reflecting barrel made of molybdenum sheet mainly resists the radiation heat generated by the heating element, so as to avoid damaging the insulation layer and the furnace body.
(4) The hot-pressing device consists of a hydraulic station, an oil cylinder, a lifting cylinder, a lower ejector rod and a controller. There are two pressure outputs in the hydraulic station, one is to drive the furnace cover up and down, and the other is to drive the hot-press cylinder. There are two ways to control the hot-press cylinder, manual or automatic. When it runs automatically, it can keep pressure automatically according to the set pressure, so that the product is always in constant pressure state. The speed regulation range of cylinder motion is 50-300 mm/min. The hot-press cylinder must have high stability and can not jitter when it is working on load. In order to produce high quality products, the motion quality of hot-pressed cylinder is one of the important conditions.
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