Multiple Composite Rare Earth Tungsten Electrodes Swaging String Playing Devices Embodiments of The Invention Process

Multiple composite rare earth tungsten electrodes swaging equipment and technology to fight the invention of string string playing devices using the relative position of each device is as follows : The first furnace tube length of 1m molybdenum wire furnace, the first furnace and the first rotary swaging machine 2 the distance between 15cm ( 15cm i.e. the gap between the two ) , the first guide roller and the first rotary forging machine and the distance between the second furnace are 10cm, length of the second furnace to furnace molybdenum wire is 0.7m tube furnace , rotary forging machine and the second distance between the second furnace 15cm, and the second guide roller and the distance between 10cm.

B203 selected will pass the billet forging Φ6.5 string into B202 playing machine for processing , the blank of the composition: percentage by weight , of rare earth oxide content of 0.44% lanthanum oxide , yttrium oxide, 1.32% , 0.44% CeO2, the balance being tungsten, the first of the first furnace , a second heating furnace 4 heated to 1500 ℃, the billet feed speed is controlled 3m/min, the first step of providing the first and second rotary rotary hammer machine hammer mold system as the machine is equipped Φ6.0, Φ5.6, the first guide roller speed 3.5m/min, the second guide roller speed is set to 4.0m/min, after processing through the first process , the billet placed with mold system as the Φ5.2, Φ4.8 string play equipment for the second processing procedures , the first and second furnace temperature furnace set at : 1450 ℃, the first guide roller speed is 3.5m / min, a second guide roller 6 speed is set to : 4.1m/min; billet into the match after molding system as : Φ4.4, Φ4.1 the third step in the processing of the first furnace and the second furnace temperature was set at 1450 ℃, the first guide roller speed 3.6m/min, the second guide roller speed is set to : 4.1m/min; three step is completed , began to enter the B201 stage in the B201 stage tungsten is processed through two processes , the first process with mold system as : Φ3.9, Φ3.6, first one and the second furnace temperature furnace set at : 1450 ℃ first guide roller speed is 3.3 m / min, the second guide roller temperature to 3.9m/min. Second step with mold system as the Φ3.3, Φ3.0, first and second furnace temperature furnace 1 as : 1400 ℃. The first guide roller speed 3.6m/min, the second guide roller speed is set to : 4.3m/min, a variety of specifications available Φ6-Φ3 rare earth tungsten electrode material .


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