C

C.TY CP TINH BT SN CNG HA X HI CH NGHA VIT NAM

FOCOCEV c Lp T Do Hnh Phc

S: /PYKT Sng Hinh, ngy 13 thng 4 nm 2015.

T TRNH(V/v: H thng sy Bch Chin lp t ti C.ty CP tinh bt sn FOCOCEV )

Knh gi: Ch Tch HQT.- Cn c theo thc t hin trng vic lp t v vn hnh H thng sy Bch Chin ti Cng ty. Phng KTSX knh trnh Ch Tch HQT v Ban TG Cng ty cc khuyt im chnh v xut phng n khc phc ( ci to ) h thng sy hot ng c tt hn.I). Cc khuyt im chnh:

1) Qut thc:

- Hin ti qut thc chy rt n do bt m va chm vo thnh qut, kt cu qut khng chc chn hng nhiu ln ( gy cnh, gy thn qut ). Tc qut ln, kt cu v qut khng hp l gy kh khn, tn thi gian khi sa cha h hng.2) My gng:

- C cu truyn ng my gng ( t hp s n sn lc khng hp l) cho nn thng xuyn gy tay n ca my gng.

3) H thng Sng ry n trc ng bao:

- Khung li ca sng ry yu cho nn thng xuyn rch li:L do: My ry cu to v c bn l khung li ry c nh, cnh nh quay tn bt ra b mt li nhng khung lp li ry khng c khung li bn ngoi b mt li m ch c khung trong.- Vt gom v vt chia bt: Thng xuyn qu ti L do: Nng lc ca 02 vt khng p ng lng bt xung ca 10 my ry.

- B truyn ng t cnh nh xung vt ti ca my ry: Truyn ng bng y ai B80 nhng khng c b tng dy ai cho nn thng xuyn gy trt v chy dy ai tn km chi ph bo dng v thay th ( tn sut thay nhiu ln/03 ca/24h ). II). xut phng n khc phc:1)Qut thc:- Thay i kt cu qut, gim tc , thay i kt cu v qut.

2) My gng:

- Thay i c cu truyn ng cng sang truyn ng mm. Dng trc lch tm v cnh tay n, ti v tr lin kt vi sn lc khng hn lin kt cng m dng gi bi cnh tay n khng b b gy ( c cu ging sn lc ca phu liu ).3) H thng sn ry n trc ng bao:- Gia cng thm khung li bn ngoi.

- B 02 vt lm thng cha trung gian di 10 my ry.- Gia cng thm b tng dy ai cho 10 my ry.

Trn y l nhng kin ng gp v cc khuyt im v phng n khc phc H thng sy Bch Chin. Phng KTSX knh trnh Ch Tch HQT v Ban TG Cng ty xem xt.Ghi ch: - Trc khi Ci to ngh gi bn v thit k Cng ty CP TBS FOCOCEV c kn v phng n Ci to.- Ci to trong thi gian ngh v, nin v 2014-2015.

Sng Hinh, ngy 13 thng 4 nm 2015.

CNG TY C PHN TBS FOCOCEV