Mokhoa oa ho phunya lejoe ka letsoho o ile oa hlahisoa ke Ingersoll-RandCo.ka 1912. Ho ea ka foromo ea matla, e arotsoe ka mekhahlelo e mene: pneumatic, hydraulic, motlakase le motlakase oa ka hare.Pneumatics ke eona e sebelisoang ka ho fetisisa.Lisebelisoa tsa majoe tse tšoaroang ka letsoho li loketse ho cheka libotlolo tse theohelang fatše kapa tse sekametseng, li-blasthole tse kholo tsa bobeli, likoti tsa bolt (likoti tse sa tebang tse sa tebang), le masoba a tsitsitseng (likoti tse sa tebang tse rapameng) ka har'a majoe a thata a mahareng le a ka holimo-hare.Bophara ba ho cheka ke 19 ~ 42mm, 'me botebo ba lesoba ke 5m, ka kakaretso bo ka tlase ho 2.5m.Liboro tsa majoe tse sebelisoang ka letsoho tsa moea tse sebelisoang hangata li na le matla a 15～45J, frequency ea 27～36Hz, torque ea 8～13N·m, khatello e sebetsang ea 0.5～0.7MPa, tšebeliso ea moea ea 1500～ 3900L/min, le boima ba 7–30kg.
Nako ea poso: Mar-31-2021
