High quality tungsten carbide seal ring mold making process is the production of graphite materials processed ring with a good carbide material loaded into a graphite mold, the mold material installed on RYJ-15-type sintering machine, the power supply connected to the top and bottom of the mold, heating power, the temperature of the material while applying a pressure within the mold, when the temperature was raised to 1500 ℃ ~ 1600 ℃, when a pressure of 6 ~ 8MPa, for 7 to 10 minutes, and then cut off power, to keep the pressure and cooled to room temperature, making this ring, the thinnest up to 2 mm, and dimensional tolerances and geometric tolerances are very small, then it welded metal associated with it put to use surface by mechanical processing.
2014年1月8日星期三
High Quality Tungsten Carbide Seal Ring Production Process
High quality tungsten carbide seal ring mold making process is the production of graphite materials processed ring with a good carbide material loaded into a graphite mold, the mold material installed on RYJ-15-type sintering machine, the power supply connected to the top and bottom of the mold, heating power, the temperature of the material while applying a pressure within the mold, when the temperature was raised to 1500 ℃ ~ 1600 ℃, when a pressure of 6 ~ 8MPa, for 7 to 10 minutes, and then cut off power, to keep the pressure and cooled to room temperature, making this ring, the thinnest up to 2 mm, and dimensional tolerances and geometric tolerances are very small, then it welded metal associated with it put to use surface by mechanical processing.
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