- May dao gau thu~ thich hgp kh6i dao cao hon m?tbdng may dUng va nang sudt cao.
lfao motgau
1. Ch'ln 10aimay dito
Vi~c chQn 10\li may dao cho thi cong la nhi~m Y\I quan trQng cua nguo'i ph\! trach te. chuc thi congo Nang sudt co cao, hi~u sudt su d\illg may co t6t hay khong la m(Jt phlm do ngum can b(J ky thu~t trvc ti€p quan Iy su d\illg may co n~m 'vUng tinh nang ky th~t va di~u ki~n su d\!ng may d€n muc nao. D6i vOi vi~c chQn Iva may dao ta clm cM y d€n m(Jt s6 y€u t6: kh6i lugng cong tac, d\lllg cong tac, 10\li ddt, di~u ki~n chuyen cha, thm gian thi congo
May dao gau thu~ co k€t cdu b(J cong tac rdt ch~c ch~, cho nen dao khoe, dimg co 19i khi dao ddt va db vao xe v~ tai d~ chuy~n di xa. May dao gau thu~ chi lam vi~c t6t khi n~n ddt che. may dUng kho rao.
May dao gau day co clm dill nen co th~ de. ddt tir h6 dao di kha xa. No dUng tir tren cao d~ dao nhUng h6 sau (10 d€n 20m) va dao ddt nhUng nm co nuac nhu vet bUn,... so vOi may dao gau thu~ thi may dao gau day co nang sudt thdp h<m (n€u cung m(Jt dung tich gau) vi kho hu6ng cho gau db dung vao phu<mg ti~n v~ chuy~n, thao tac d~ xuc dAy gau kho h<m gau thu~. Dimg may dao gau day dao rbi de. thanh d6ng ho(ic de. tf\l'C ti€p vao nm clm db thi nang sudt cao. .
May dao gau nghjch chi dao dugc nhUng h6 nong (dung tich gau 0.5m3 thi chi~u sau dao t6i da la 5.5m). dimg may dao gau nghjch. D~ dao mu<mg mang nho, dao ranh d(it dUOng 6ng, dUOng day cap di~n, ... ngum ta thuOng chQn may dao gau nghjch co dung tlch
Khi dao nhUng h6 sau va d~t tuang d6i m~m bfutg may dao gau thu~, thuang phlii dao them nhUng con duang len xu6ng cho may dao va cae phuang ti~n v?n chuy~n, kh6i IUQ'llgd~t dao clla cong tac nay ding kha IOn nen trong truang hqp nay c6 the thi cong bfutg may dao gau day se kinh t~ han. Theo kinh nghi~m vi~c chQn may dao con dga vao kh6i lUQ'llgd~t cAn khai thlic. Khi kh6i IUQ'llgd~t dao IOn thi nen dUng lo~ may dao c6 dung tich gau IOn.