Thread Rolling muchina wakakodzera kutenderedza kugadzira yakatwasuka, screw uye mhete mhando, nezvimwewo, ine dhayamita yeØ4-Ø36 mukutonhora. Akashongedzerwa sikuruwa moulds, zviri zvakare inokwanisa kugadzira yakavanzwa waya (shinda yakavanzwa mukati workpiece), yakazara sikuruu. Yakagadzirwa newelding simbi mahwendefa, ...
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