Variable-frequency vibration forming process for carbon electrodes
A technology of carbon electrode and frequency conversion vibration, which is applied in forming indenters, ceramic molding machines, manufacturing tools, etc., can solve the problems of high internal quality defect rate, high vibration frequency, long vibration time, etc., to improve production efficiency and product quality Effect
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[0030] The specific steps of the frequency conversion vibration forming process of the carbon electrode in this embodiment are as follows:
[0031] (1) Die-in vibration
[0032] (1) Put 4.7 tons of kneaded carbon electrode paste (the diameter of the formed electrode is 1250mm) into the mold of the two-way hydraulic vibration molding machine, and divide it into two parts. The first part is 75% of the total amount, and the second part is The material is 25% of the total amount; the excitation force of the two-way hydraulic vibration molding machine used in this embodiment is adjustable from 0-2200KN, the amplitude is 0-4mm, the vibration frequency is 0-50HZ, and the maximum hydraulic pressure is 20MPa; when the first part of the material is placed, the The speed of the governor increases from 0 to 700r / min in 3-5 seconds, and the feeding speed is 0.5-1 ton / min.
[0033] (2) When loading the second part of the material, increase the speed of the governor from 700 r / min to 1100-1...
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