Mochini oa ho etsa roll oa Downpipe o rekisoa o chesa haholo
- 1 Ho ea ka sebopeho sa sehlahisoa sa ho qetela, tube e pota-potileng le tube ea lisekoere lia fumaneha.
- 2 Ho na le mefuta e 'meli ea sehahi. Flying saw cut le hydraulic cutting.
- 3 Sebopeho se matla, phanele e teteaneng ea lebota, enjene e kholo, bophara ba shaft e kholo, rolara e kholo, le mela e meng ea ho etsa. Ho khanna ketane, lebelo ke 8-10m / min.
- 4 bophara ba tube e chitja (70mm, 80m, 90mm), bophara ba square tube (3 "× 4").
- 5 Mochini o ts'oanang oa mofuta o kenyelletsa mochini o etsang lipompo tse tlase, mochini o kobehang, mochini o etsang roll le o kobehang mochini o le mong le mochini o etsang li-gutter roll.