Extrusion device of titanium and titanium alloy vacuum consumable electrode and preparation method of titanium and titanium alloy vacuum consumable electrode
A vacuum consumable electrode and extrusion device technology, which is applied in the preparation of titanium and titanium alloy vacuum consumable electrodes, and in the field of extrusion devices for titanium and titanium alloy vacuum consumable electrodes, can solve low-density, electrode products High, electrode pollution and other problems, to achieve the effect of overcoming electrode pollution, reducing labor intensity, and saving production costs
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[0030] A method for preparing a vacuum consumable electrode of titanium and titanium alloy, which is characterized in that it comprises the following steps:
[0031] Step 1. Clean the mold a11 and mold b12, and place a plug that matches with the mold b12 on the inner wall of the mold b12;
[0032] Step 2. Weigh 100-150 kg of raw materials, and slowly pour them into the mold a11 cleaned in step 1, where the raw materials are sponge titanium or titanium alloy;
[0033] Step 3, such as figure 2 As shown, the squeezed squeegee 7 with protrusions is connected to the squeeze rod 6. Under the action of the slider 9 and the mold base 8, the squeeze shim 7 is in contact with the raw material in step 2. , The disc-shaped squeeze gasket 7 with protrusions increases the contact area between the two consecutive feeding and squeezing electrodes when the electrode is squeezed, so that it can bite each other and increase the strength of the electrode;
[0034] Step 4. Extruding the gasket 7 and the ...
Embodiment 1
[0039] The raw material is titanium sponge with a grain size of 0.83~25.4mm. The inner diameter of the through hole 1 and the discharge guide cylinder 3 are both 650mm.
[0040] Clean the mold a11 and mold b12, and place a matching plug on the inner wall of the mold b12; slowly pour the accurately weighed 150kg titanium sponge into the processed mold a11, and use the disc-shaped extrusion gasket 7 with protrusions. , Under the action of the slider 9 and the die base 8, the sponge titanium is extruded and pushed into the die b12; the material is repeatedly charged and extruded a total of 40 times, and the final extruding is formed by using a disc-shaped extruded gasket 7 Flat electrode ends, and finally put the plug on the inner wall of the mold b12 to extrude the last part of the consumable electrode, and the semi-continuous extrusion operation of the consumable electrode ends.
[0041] The prepared titanium consumable electrode has a specification of Φ650mm×4900mm and a density of...
Embodiment 2
[0043] The raw materials are grade 0 sponge titanium with a particle size of 3.0-12.7mm, AlV55 master alloy with a particle size of 1-6mm, and aluminum beans with a Φ8-13mm aluminum content greater than 99.8%; the inner diameters of the through hole 1 and the discharge guide cylinder 3 are both 450mm . .
[0044] Clean mold a11 and mold b12, and place a matching plug on the inner wall of mold b12; slowly pour a total of 100kg of titanium alloy raw materials into the processed mold a11 after accurately weighing according to the proportion, and use a round cake with protrusions on one end. Pressing washer 7, under the action of slider 9 and die seat 8, push the sponge titanium into the die b12; repeatedly charging and squeezing a total of 33 times, the last time the extrusion is a round cake 7 Make it to form a flat electrode end, and finally put the plug on the inner wall of the mold b12 to extrude the last part of the consumable electrode, and the semi-continuous extrusion opera...
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