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05-06 Cng ng

go Le Thong

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 1

i hc

bch khoa

1.1.3 K HIU HN TRN B N V

L i ch ca

vic k hiuquy c mihn trn bnv

G86

30o

35 (7)

GMAW

5 6

3 7

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 2

i hc

bch khoa

K hiu mi hn trn bn vISO 2553-1984Mi hn gip mi gp mp

Mi hn gip mi khng vt mp

Mi hn gip mi vt mp ch V

Mi hn gip mi vt mp na ch V

Mi hn gip mi vt mp ch Y

Mi hn gip mi vt mp na ch Y

Mi hn gip mi vt mp ch U

Mi hn gip mi vt mp ch J

Mi hn chn (y)

Mi hn gc

Mi hn khe

Mi hn l, mi hn im

Mi hn ng (hn p lc)

Gia cng phng

Li

Lm

K hiu chnh

K hiu ph

Sinh vin cn nm vng hthng k hiu

ny. Ti liu tham kho: Tr n Hu Qu Nguyn Vn Tun, Bn vk thut theotiu chun quc t, NXB Gio dc, 1998.Trang 84-110.

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05-06 Cng ng

go Le Thong

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 3

i hc

bch khoa

K hiu hn trn bn vk thutHn vng

quanh

Hn ngoi hintr ng

Hn nguton b

chiu dy

Kim loiph (ch

nht)

B mt phngKim loi

ph(vung)

B mt li B mt lm

K hiu chnh - AWS Khiu ph

Mi hn gip mi gp mp

Mi hn gip mi khng vt mpMi hn gip mi vt mp ch V

Mi hn gip mi vt mp na ch V

Mi hn gip mi vt mp ch Y

Mi hn gip mi vt mp na ch Y

Mi hn gip mi vt mp ch U

Mi hn gip mi vt mp ch J

Mi hn chn (y)Mi hn gc

Mi hn khe

Mi hn l, mi hn im

Mi hn ng (hn p lc)

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 4

i hc

bch khoa K hiu mi hn AWS. V tr chunca cc yu ttrong mt k hiu y

F A

L - P

T

S(E)

F A

(N)

{ }{ } p h a m i t n c h a i

p h a

p h a

b n

k i a

R

ngthamchiu

Mi tn ni ngtham chiu vichi tit pha mitn ca lin kt

Cc yu t trong vng ny vn gi nguynkhi o chiu m tn v ui

S l ngmi hnim, ng,v.v.

K hiu mi hnc bn hoctham chiu chitit

ui (b khi khngdng tham chiu)

Quy nh, qu trnh hnhoc tham chiu khc

Chiu su vt mp, hockch th c i vi mt s mihn

Kch th c mi hn vt mp

Khe y, chiu su in vimi hn nt, mi hn ct

Gc rnh hn(gc vt mp)

K hiu gia cng bmt mi hn

K hiu b mt mihn

Chiu di mi hn

B c hnK hiu hnti hin tr ngK hiu hnvng quanh

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05-06 Cng ng

go Le Thong

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 5

i hc

bch khoa

NG THAM CHIU, MI TN VUI (MI HN GC)

6

6

6

9

UI(PHA )

(PHA )

PHA

PHA

MI TN

NG THAM CHIU

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 6

i hc

bch khoa

THHI N KCH THC MI HN GC

12 12

6 9

(5 x 6)

6

16

6

6 100

100

(9 X 6)6

6

a) b)

c) d)

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05-06 Cng ng

go Le Thong

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 7

i hc

bch khoa

THHI N KCH THC MI HN GC

a) b)

d)c)

12

12 12

12

12

121500 1500

50-100

50-1007450

8

150 150100

12

6

6 45

45

50-1506

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 8

i hc

bch khoa THHI N KCH THC MI HN GC

8

8

8

30230

30230

a) b)

6 7537

112

50 5050-1009

450

9 200 9 200

9 50-150

1400

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05-06 Cng ng

go Le Thong

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 9

i hc

bch khoa

THHI N KCH THC MI HN GC

6

6

50400

50 400

9

9

50350

50 350350175

a) b)

50125

50125

c)

6

d)

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 10

i hc

bch khoa K HIU HON THI N BMT MI HN

a) b)

DI N GII GP TT CCC PH N CA K HIU

12

6

12

6126

50 500

500

50

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05-06 Cng ng

go Le Thong

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 11

i hc

bch khoa

12

12

12

12 12

12

12

12

12

6 (6x12)

DI N GII GP TT CCC PH N CA K HIU

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 12

i hc

bch khoa

DI N GII GP TT CCC PH N CA K HIU 6

1 0 0 1 0 0

5 0

1 0 0

5 0

5 0

5 0

1 0 0

1 0 0

5 0

1 5 0

5 0

1 5 0

5 0

5 0

5 0

1 5 0

1 5 0

7 5

7 5

7 5

7 5

2 5 0

1 2 5

7 5

2 5 0

7 5

2 5 0

B t r m

i h n

t i 2

u

l i n

k t

B t r m

i h n

t i 2

u

l i n

k t

B t r m

i h n

t i 2

u

l i n

k t

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05-06 Cng ng

go Le Thong

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 13

i hc

bch khoa

DI N GII GP TT CCC PH N CA K HIU

Lin kt A

Lin kt B

Lin kt B

Lin kt A

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 14

i hc

bch khoa

K HIU MI HN GIP MI

a)

4

1,6

1,65

60o1,6

1,6

60o

1,617,4 (19)

19b)

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05-06 Cng ng

go Le Thong

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 15

i hc

bch khoa

K HIU MI HN GIP MI C VT MP

38 (41)G

50 o

50 o

5138

45o

45o

45o

45o

a)

b)

19

12

c)

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 16

i hc

bch khoa K HIU MI HN NGU HON TON

1,6

1,6

1,6

1,6

45 o

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05-06 Cng ng

go Le Thong

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 17

i hc

bch khoa

K HIU MI HN NGU HON TON

GH C

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 18

i hc

bch khoa K HIU LTY MI HNCh thch 1 Hn rnh tr ckhi hn lt y

ng hn lt y

Ch thch 1

Ch thch 1 Hn rnh saukhi hn lt y

ng hn lt y

Ch thch 1

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05-06 Cng ng

go Le Thong

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 19

i hc

bch khoa K HIU KIM TRA KHNG PH HY MI HN

PHABNKIA

PHAMITN

C H A I P H

A

(N)

LT

S LNG KiMTRA

QUY NH HOCTHAM CHIU KHC

PHN UI

NG THAM CHIU

K HiU KiM TRA C BN

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 20

i hc

bch khoa K HIU KIM TRA KHNG PH HY MI HNAET Acoustic emission:ET Eddy current:LT Leak:MT Magnetic particle: NRT Neutron radiographic:PT Penetrant:DPT Dye penetrant:

FPT Fluorescent penetrant:

PRT Proof test:RT Radiographic:UT Ultrasonic:VT Visual:

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05-06 Cng ng

go Le Thong

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 21

i hc

bch khoa

K HIU KIM TRA KHNG PH HY MI HN

MT 80

MT 80250

MT 80

MT 80

MT 50%

RT 25%

RT

3 0 o

NRT

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 22

i hc

bch khoa K HIU KIM TRA KHNG PH HY MI HN

VT + RTUT

DPT+ETRT

LT

RT+FPT

PT+NRTRT+LT

PRT 10

MT 8 PT 100RT 4

(mm)

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05-06 Cng ng

HBK H Ni 2004 Ng L Thng - B/m Hn & CNKL 23

i hc

bch khoa K HIU KIM TRA KHNG PH HY MI HN

UT(2)

UT

UTMT

FPT