Multiple Composite Tungsten Electrode String Playing Devices Swaging Process Technology Invention and Technical Background

Multiple composite tungsten electrodes swaging process string playing devices invention relates to multi-composite tungsten electrodes swaging string playing equipment and technology , are rare refractory metal materials processing fields. The present invention is swaged through B203 billet after the B202 stage process that uses three tungsten followed in 1450 ~ 1500 ℃ after Φ6.0-Φ5.6 swaging die machining ; followed in 1400 ~ 1450 ℃ after Φ 5.2-Φ4.8 swaging die machining ; followed in 1400 ~ 1450 ℃ after Φ4.4-Φ4.1 swaging die machining . In B201 processing stage after two times , ie tungsten followed in 1400 ~ 1450 ℃ after Φ3.9-Φ3.6 swaging die machining ; followed in 1350 ~ 1400 ℃ after Φ3.3-Φ3.0 swaging die processing, Following the above process can be obtained Φ6-Φ3 diverse composite rare earth tungsten electrode material . The present invention simplifies the production process , improve production efficiency, while economic energy . < br />
Multiple composite tungsten electrodes swaging process string playing devices
technical field of the invention
Multiple composite tungsten electrodes swaging string playing equipment and technology , are rare refractory metal materials processing fields.

Multiple composite tungsten electrodes swaging string playing equipment and technology invented technical background

Refractory metals such as tungsten, molybdenum, workability , and thus usually swaging processing methods, namely, rotary hammer rotating at high speed while doing radial reciprocating motion , so that the billet uniform deformation . For tungsten and tungsten alloy processing purposes , often using a single swaging machine head swaging equipment for processing , the original patent ( 200710099090.4 ) , for multiple composite rare earth tungsten electrodes spin -off process that is using this single head the rotary forging machine, multi-composite material of rare earth tungsten electrodes need to go through six stages B202 step, B201 need to go through four stages of process , the process is complicated , labor-intensive , to improve processing efficiency, the two coalition a rotary hammer machine string set is an effective way to play the device , has a similar device is used molybdenum material processing field , and for tungsten , particularly in terms of rare earth doped tungsten material , there are no special equipment such applications , mainly due to the tungsten molybdenum poor machinability performance ratio , especially rare earth doped after rare second phase particles on the material organization of the tungsten material plastic brittle transition temperature changes , and thus for string playing technique , in addition to requirements consistent feed rate In addition, with touch system and the processing temperature is also particularly important .


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