CC DNG C O LNG C KH
GVHD: NGUYN MINH KHNH SVTH: TRN HONG BO
1 - KiM TRA V O LNG1.1Kimtra
Misnphmsnxutracnphickimtranhgixemcht
lngchtoctcnhngyucukthutrahaykhng? 1.2Ccphngphpkimtra Kimtrachquan:
Davokinhnghimvccgicquanxcnhccchtiucht
lng.(Vd:nmrutrongcngnghipsnxutrubia). Kimtrakhchquan:
Dngccphngtinonhlngccyutcnkimtra. 1.3oLng
olngchnhlmtdngcakimtrakhchquan.
2 - CC PHNG PHP O
PHNG PHP O TRC TiPc c ngay kt qu o trn dng c o
PHNG PHP O GIN TiPPhi thng qua php ton chuyn i
PHNG PHP O SO SNHSo snh i tng o vi mu bit
3 - THC CP (CALIPER)
(VERNIER CALIPER)
(DIAL CALIPER)
(DIGITAL ELECTRONIC CALIPER)
3 - THC CP (CALIPER)3.1 c im C tnh a dng ( o kch thc ngoi, kch
thc trong, o chiu su phm vi o rng, chnh xc tng i cao, d s dng v gi
thnh r, 3.2 Cu Too trong H Inch o su
H Mt o ngoi
3 - THC CP (CALIPER)3.3 Phn Loi
0 0 0
1 5 1
2 10 2 3 4
Thc cp 1/10: o c kch thc chnh xc ti 0.1mm. Thc cp 1/20: o c kch
thc chnh xc ti 0.05mm.
0 1 2 3 4 5 6 7 8 9 0 0 1 2 3 4 5
0
1
2
3
4
5
6
7
8
9
0
Thc cp 1/50: o c kch thc chnh xc ti 0.02mm.
3 - THC CP (CALIPER)3.4 Cch o - Trc khi o cn kim tra thc c chnh
xc khng bng cch ko du xch v v tr 0 ban u. - Kim tra b mt vt o c sch
khng. - Khi o phi gi cho 2 mt phng ca thc song song vi mt phng cn
o. - Mun ly thc ra khi v tr o th phi vn ai c hm c nh hm ng vi thn
thc chnh.
3 - THC CP (CALIPER)3.5 Cch c tr s o Khi o xem vch 0 ca du xch v
tr no ca thc chnh, ta c c phn nguyn ca kch thc trn thc chnh.
-
Xem vch no ca du xch trng vi vch ca thc chnh ta c c phn l ca kch
thc trn du xch.
3 - THC CP (CALIPER)
37.46mm
121.70mm
3 - THC CP (CALIPER)3.6 Mt s loi Thc Cp
3 - THC CP (CALIPER)3.6 Mt s loi Thc Cp
3 - THC CP (CALIPER)3.6 Mt s loi Thc Cp
3 - THC CP (CALIPER)3.7 Flash m phng
4 - PANME (MICROMETER)4.1 c im Panme l dng c o chnh xc, tnh vn
nng km (phi ch to tng loi Panme o trong, o ngoi , o su), phm vi o
hp khong 25mm. Panme c nhiu c : 0-25, 25-50, 50-75, 75-100,
100-125, 125-150,. 4.2 Cu To
4 - PANME (MICROMETER)4.3 Phn Loi
PANME O NGOI (OUTSIDE MICROMETER)
PANME O SU (DEPTH MICROMETER)
PANME O TRONG (INSIDE MICROMETER)
4 - PANME (MICROMETER)4.4 Cch o - Trc khi o cn kim tra xem panme
c chnh xc khng. -Khi o tay tri cm panme, tay phi vn cho u o n gn
tip xc th vn nm vn cho u o tip xc vi vt ng p lc o. - Phi gi cho ng
tm ca 2 m o trng vi kch thc cn o. - Phi vn ai c hm c nh u o ng trc
khi ly panme ra khi vt o.
4 - PANME (MICROMETER)4.5 Cch c tr s o Khi o da vo mp thc ng ta
c c s mm v na mm ca kch thc trn thc chnh.
-
Da v vch chun trn thc chnh ta c c % mm trn thc ph ( gi tr mi vch
l 0.01mm ).
4 - PANME (MICROMETER)4.6 Mt s loi Panme
4 - PANME (MICROMETER)4.6 Mt s loi Panme
5 - NG H SO (INDICATOR)5.1 c im v cng dng L dng c o chnh xc
0.01-0.001mm. ng h in t cn chnh xc hn. ng h so dng nhiu trong kierm
tra sai lch hnh dng hnh hc nh cn, thng, song song vung gc, khng ng
trc. ng h so cn c th kim tra hng lot bng phng php so snh.
-
Hnh: ng h so c hc v ng h so in t
-
5 - NG H SO (INDICATOR)5.2 Cu ToVng o mm C dung sai Kim
M t s
Bnh rng Bnh rng trc kim Kim ch mm Bnh rng trung gian L xo C
chn
Trc rng
B c u o
5 - NG H SO (INDICATOR)5.3 Cch s dng - Khi s dng ng h so trc ht
phi g ln gi vn nng, sau chnh cho u o tip xc vi vt cn o - iu chnh mt
s ln cho kim ng v tr s 0. Di chuyn ng h so tip xc sut vi b mt cn
kim tra
Hnh: ng h so g tren gi
5 - NG H SO (INDICATOR)5.4 Mt s loi ng H So
5 - NG H SO (INDICATOR)5.4 Mt s loi ng H So
MC LC
KiM TRA V O LNG CC PHNG PHP O THC CP ( CALIPER ) PANME (
MICROMETER ) NG H SO ( INDICATOR )
