Thiet_bi_dap-Nguyen_Kien

8/2/2019 Thiet_bi_dap-Nguyen_Kien

1/92

TRNG I HC BCH KHOA HN

VIN C KHB MN GIA CNG P LC

H NI, 20/8/2010


2/92

NI DUNG

1. C IM V PHN LOI.

1.2 LNH VC P DNG2. CC THIT B CHNH

2.1 MY BA

2.2 MY P THY LC2.3 M Y P TRC KHU U

2.4 MY P VT MA ST

.

3. HNG PHT TRIN

19-08-10 2B MN GIA CNG P LC


3/92

1. C IM V PHN LOI

1.1 C IM V PHN LOI

Thit b d to hnh bao m cc thit b to lc v cc

trang bphc v cho qu trnh to hnh.

n o p o n : ng ng ccch phn loi

. Theo du hiu ng hc v ng lc hc Theo c im cn n h.



4/92

1. C IM V PHN LOI

1.1 C IM V PHN LOI

Truyn ng bng ckh

Truyn ng bng cht lng, du, nc

Truyn ng bng kh, in t



5/92

1. C IM V PHN LOI

1.1 C IM V PHN LOI

Theo du hi u n h c: chia 5 nhm Theo du hi u n h c: chia 5 nhm

Nhm 1 : Gm tt c cc my ba- Lin kt mm, tc va p


6/92

1. C IM V PHN LOI

1.1 C IM V PHN LOI

Theo c im cn n h : Theo c im cn n h :

Thit b dp tm: my ct t, dp vut, un lc

Thit b dp khi: my ba, my rn, dp nng, rn quay

Thit b to hnh ng: thit b to hnh p lc cao



7/92

1. C IM V PHN LOI

1.2 LNH VC P DNG THIT B DP TM

S ng my p tr c khyu My p 2 tr c khyu dp vut My p trc khyu (vn nng)


My un (sn) thy lc iu khin CNC My p thy lc song ng My p thy lc


8/92

1. C IM V PHN LOI

1.2 LNH VC P DNG THIT B DP KHI

My ba thy lc rn vut My ba hi dp khiMy p vt ma stMy ba khng kh nn rn



9/92

1. C IM V PHN LOI

1.2 LNH VC P DNG THIT B KHC



10/92

1. C IM V PHN LOI

1.2 LNH VC P DNG


n n c r n c c con n m y u n cn n c r n c c con n m y u n c


11/92

1. C IM V PHN LOI

1.2 LNH VC P DNG


Sn lng thi t b dp so vi thi t b gia cng c c


12/92

NI DUNG

1. C IM V PHN LOI.


2.1 MY BA


2.4 MY P VT MA ST

.

3. HNG PHT TRIN



13/92

2. THIT B DP TO HNH

2.1 MY BAPhn loi:

My ba khng kh nn My ba ckh My ba thu lc

Cc thng s cbn ca my:

Trng lng ca vt ri (ln nht hin nay 30 tn tng ng vi my p 30.000n

Tc ca vt ri Hiu sut va p

Lnh vc ng dng:Rn t do, chn, vut, dp khi



14/92

2. THIT B DP TO HNH

2.1 MY BA2.1.1 QU TRNH VAP V HIU SUT:

Thi im trc va p:

m1- Khi lng u bav1- Vn tc u ba LE

m1v1 v1 m2- Khi lng b ev2- Vn tc b e

m2v2

v2 Thi im sau va p:

Qu trnh bi n dng g

-v1- Vn tc u ba

m2- Khi lng b e

L0


S tnh ton qu trnh va p v2- Vn t c b e


15/92

2. THIT B DP TO HNH

2.1.1 QU TRNH VAP V HIU SUT:

2.1 M Y B A

nh lut bo ton ng lng:

vmmmvmvmvmv '' .... +=+=+m1v1 v1

V t Vx : tc trng tm ca h thng va p

1

m2v2

v2

S tnh ton qu trnh va p

( ) ( )212211

21

2211 ....mm

mvmvmm

mvmvvx ++=

++= 2



16/92

2. THIT B DP TO HNH


2.1 M Y B A

v.mv.mL

2

22

2

11 +=

Tng nng lng ban u camyLE:

3

m1v1 v1

V t

22

LE c tiu tn vo :

m2v2

v2

n ng o v p : gBin dng n hi : Ly

Nng lng tha : L1

S tnh ton qu trnh va p 0g1ygE LLLLLL +=++= 4



17/92

2. THIT B DP TO HNH


2.1 M Y B A

Nng lng tha (tch vt) L1:

vmmL

2

x+=m1v1 v1

V t ( )2

2211 v.mv.m +=

2

5

m2v2

v221

1 mm2 +

My ba c be cnh (V2 = 0) ta c:

S tnh ton

( )( ) ( ) ( ) E21

1211

21

1

21

211

1 L.mmm

2v.m.

mmm

mm2v.mL

+=

+=

+=



18/92

2. THIT B DP TO HNH


2.1 M Y B A

Tng nng lng bin dng (cho BDD+BDH):Ln:

0g1ygE

( )2

2121 vvmm == 6( )21

1En mm2 + My ba c be cnh (V2 = 0) ta c:

( ) E212

n LmmmL+

=2

1

n

1

mm

LL =7



19/92

2. THIT B DP TO HNH


2.1 M Y B A

Qu trnh tch vt:

Sau qu trnh bin dng, nng lng cn tha s chuyn vo ccvt v lm chuy n ng:

VX thnh V1 v V2

c trn cho vic hon li t c V1 v V2 H s hon nguyn k(lin quan n vt: 0


20/92

2. THIT B DP TO HNH


2.1 M Y B A

vmvm ''Nng lng lm bt ra (ng nng h thng sau va p) : L0

221y0+=+=

Nng lng lm BDD: Lg

++==2

'vm

2

'v.m

2

vm

2

v.mLLL

2

21

2

11

2

22

2

110Eg

( ) ( )mm2

k1vvmmL

22

2121g +

= 9



21/92

2. THIT B DP TO HNH


2.1 M Y B A

Hiu sut va p (bin dng do):22 k1vvmmL

( ) E21E L2mmL +==

- t max: khi v2 = 0 v m2 max ( )2

21

2y k1mm

+

=

m2 = (10 20)m1m2 = 10m1 : my ba rnm2 = 20m1 : my ba dp



22/92

2. THIT B DP TO HNH

2.1.2 MY BA HI NC

2.1 M Y B A

L loi my ba chuyn dng dp

t c ng t c Hi n c ho c Kh ng kh nn c cungcp ttrm

Trng lng bphn ri G > 5 0 0 K g .

Nng lng sinh ra ca my ba tr ng lng phn ri 1 tn tng



23/92

2. THIT B DP TO HNH

2.1.2 MY BA HI NC

2.1 M Y B A


y a n c n y a n c n cung


24/92

2. THIT B DP TO HNH

2.1.2 MY BA HI NC

2.1 M Y B A

K hiu my : C86-25(1T)Trng lng phn ri : 1500 Kg.Hnh trnh piston : 1000 mmS nht p trong 1 pht : 50 60

Trng lng: 20.000 Kgng c: 45 KwKch thc : 2400 x 1400 x 6000

Cng dng : Dng dp khi vi khun knv khun h


y a n c n


25/92

2. THIT B DP TO HNH

2.1.3 MY BA KHNG KH NN

2.1 M Y B A

L loi my ba ch yu dng rn tdo cp tchnh bn thn my ba

< .



26/92

2. THIT B DP TO HNH

2.1.3 MY BA KHNG KH NN

2.1 M Y B A



27/92

2. THIT B DP TO HNH

2.1.4 MY BA THY LC

2.1 M Y B A

Thc cht vn lcc dng my p

do c im trong

hnh trnh cngtc, b phn ric tch ra khic c u tru n

ng nn cxp vo dng my


.


28/92

2. THIT B DP TO HNH

2.1.5 MY BA CKH

2.1 M Y B A

L loi my ba ch yu dng rn tdoNng lng ca ng ctruyn cho b phn rinhvo cc loi mi lin kt ckh (ma st,mm, n hi)Trng lng b phn ri

C 3 nhm chnh- My ba vn

(lin kt ma st)- My ba dy cp, xch

n m m- My ba nhp

(lin kt n hi)My ba vn



29/92

2. THIT B DP TO HNH

2.1.5 MY BA CKH

2.1 M Y B A

My ba nhp



30/92

2. THIT B DP TO HNH

2.1 M Y B A2.1.6 NNG LNG MY BA



31/92

2. THIT B DP TO HNH

2.1 M Y B A2.1.6 NNG LNG MY BA



32/92

NI DUNG

1. C IM V PHN LOI.


2.1 MY BA


2.4 MY P VT MA ST

.

3. HNG PHT TRIN



33/92

2. THIT B DP TO HNH

2.2.1 PHN LOI2.2 M Y P TH Y LC

Khung my ch C (thn h) My p dp tm

,

Khung dng 2, 4 ct (kn) My rn v dp



34/92

2. THIT B DP TO HNH

2.2.1 PHN LOI

2.2 M Y P TH Y LC



35/92

2. THIT B DP TO HNH

2.2.2 NGUYN L HOT NG

2.2 M Y P TH Y LC

My p thu lc hu nh hot ng theo tc dng tnh.guy n m v c a r n cs c a n u asca .

.nng c Pdn = 10-700MN. My dp tm c Pdn = 0,5-10MN



36/92

2. THIT B DP TO HNH


2.2 M Y P TH Y LC



37/92

2. THIT B DP TO HNH


2.2 M Y P TH Y LC



38/92

2. THIT B DP TO HNH


2.2 M Y P TH Y LC

1. My p : Thc hin chc nng p2. Van cp : L van phn phi

3. ng cthy lc tha hnh: Nng vancp 2 ln trong hnh trnh kh hi dubung trn my p v thng cha 4.4. Thng cha: Cha cht lng cung cp

vo hnh trnh khng ti.



39/92

2. THIT B DP TO HNH


2.2 M Y P TH Y LC

5. B trit ti Van trn : Ngng cp cht lng

9. Bphn phi : ng c tnh van ct vov tr no (I, II, III ) l lc van m

10. Van 1 chiu : C p X cht lng tronghnh trnh kh h i11. Van 1 chiu : Cp cht lng vo xilanh cngtc12. Van 1 chiu : X cht ln ra khi xilanh

cng tc



40/92

V tr III : My p v tr treo utrt

Van 11, 12 mVan 10 ng

ng

40


41/92

V t I H h t h t


42/92

V tr I : Hnh trnh cng tcVan 10 v 11 m

Cht lng t bm qua van 11 v iln xilanh cng tc chnh

T x an , c t ng p

qua van 10 v van 11 n xilanhcng tc

42

V t IV H h t h kh hi 1


43/92

V tr IV : Hnh trnh khhiVan 12 m

1

Cht lng t bm nng van 10ln in y xilanh kh hi

T xi lanh cng tc, cht lng bp qua van 12 ti thng cha (lul n nh lm sut tronxilanh cng tc gim xung(ng 1).

Khi b trdn 3 s nng van 2cp 2 ln du trv thngcha (lu lng ln) (ng2).

43

2 THIT B DP TO HNH


44/92

2. THIT B DP TO HNH

2.2.3 KT CU MY

2.2 M Y P TH Y LC


2 THIT B DP TO HNH


45/92

2. THIT B DP TO HNH

2.2 MY P THY LC

M

Y

T

CU

.3

K

2

.


2 THIT B DP TO HNH


46/92

2. THIT B DP TO HNH

2.2 M Y P TH Y LC2.2.4 NGUYN L HOT NG My c bnh tch p


2 THIT B DP TO HNH


47/92

2. THIT B DP TO HNH

2.2 M Y P TH Y LC2.2.4 So snh my c bnh tch p v khng tch p


2 THIT B DP TO HNH


48/92

2. THIT B DP TO HNH

2.2 M Y P TH Y LC2.2.5 CC PHN TTHY LC

BM CAO P PISTON


2 THIT B DP TO HNH


49/92

2. THIT B DP TO HNH

2.2 M Y P TH Y LC2.2.5 CC PHN TTHY LC BM BNH RNG


2 THIT B DP TO HNH


50/92

2. THIT B DP TO HNH

2.2 M Y P TH Y LC2.2.5 CC PHN TTHY LC VAN PHN PHI


2 THIT B DP TO HNH


51/92

2. THIT B DP TO HNH

2.2 M Y P TH Y LC2.2.5 CC PHN TTHY LC VAN PHN PHI


2 THIT B DP TO HNH


52/92

2. THIT B DP TO HNH

2.2 M Y P TH Y LC2.2.5 CC PHN TTHY LC XY LANH THY LC


2. THIT B DP TO HNH


53/92

2. THIT B DP TO HNH

2.2 M Y P TH Y LC2.2.6 MY P THY LC NM NGANG


NI DUNG


54/92

NI DUNG

1. C IM V PHN LOI.

1.2 LNH VC P DNG2. CC THIT B CHNH2.1 MY BA

2.2 MY P THY LC

2.3 M Y P TRC KHU U

2.4 MY P VT MA ST

.

3. HNG PHT TRIN


2. THIT B DP TO HNH


55/92

2.3 M Y P TRC KHU U2.3.1 C IM & PHN LOI

L loi thit b dp thngdng nht (cho c tmvkhi) Hin i, d iu khin, tng ha v s dng Lc ln, tc nhanh l uim so vi cc dng my khc

,

Db kt my do hnh trnhc ng

Hnh trnh nh


2. THIT B DP TO HNH


56/92


My p trc khuu vn nng My p trc khuu chuyn dng dp vut

My p trc khuu song ng dng dp tm

L m tr c khu u c hai u tr tMt u trt chnh trong dng mang dng c to hnhMt u trt ngoi dng chn phi.

My p trc khuu tam ng

L my p trc khuu c ba u trtNgoi hai u trt ging my song ng, my c thm 1 u trt di dng


p vu ng c

2. THIT B DP TO HNH


57/92



2. THIT B DP TO HNH


58/92


My p trc khuu song

ng dng dp tm

a) b) c)

d) e


Sng ca my p trc khuu


59/92

1. ng c2. B truyn3. B li hp.

5. Trc khuu

6. Bin7. u trt8. B phn hng d n9. Thn my10. B phn iu khin

11. Ccu l sn hm12. Ccu thu hi ph liu13. Ccu cp phi14. Phu tip liu

. ng ruy n ng c o p u p u

16. Truyn ng cho ccu cung cp17. Phanh

59

2. THIT B DP TO HNH


60/92

2.3 M Y P TRC KHU U


2. THIT B DP TO HNH


61/92

2.3 M Y P TRC KHU U

I

NL

O

M

&P

CI

2.3.1


Phn tch ng hc c cu tay bin - trc khuu


62/92

0

Hmin, Hmax: chiu cao khp kn nh nht v ln nhtca my.S : hnh trnh ton b ca my.S : hnh trnh tc thi ca m tn n vi c

-R

A

R

quay .

: Gc quay ca trc khuu tnh tng trc tibn knh khuu (ngc chiu quay ca trc khuu).: c k ia bin v n tr c.

L+R

L

2B

R, L:bn knh khuu v chiu di bin:R =OA ; L =AB.: tc gc (coi khng i) ca trc khuu.

K: h s ta bin K =R/L.

SM

ax

H

B1, B2: im cht trn v im cht di ca my.

S = R[(1-cos) + (1-cos2)]

Bn

my

S

HM

in1B

V

= R

[sin+ 0,5Ksin2]

Sd 2 dvJ = = = 2 R[ cos+Kcos2]

12.04.2010 H ni62

2. THIT B DP TO HNH


63/92

2.3 C C B PH N CH NH METrc khuu

To ra hnh trnh my p (bng 2 ln bn knh khuu)


PD THIU KIN BN


64/92

MY P TRC KHUU

[2]

[3]

HP

A B

(1): ng th lc cho php tc

dng ln u trt trckhuu khng b hng ti tit

[1]

d

dA

OE

BC

D(2): ng th lc cho php tc

dng ln u trt trc

khuu khng b hng ti tit

[4]

EB

H 90

th lc cho php tc dng ln u

trtb truyn Bnh rng, Trc

din EE(3): ng th lc cho php tc

dng ln u trt b truyn

khuu khng b hng

(4): Ti trng ca nguyn cng dp

64

2. THIT B DP TO HNH


65/92

2.3 C C B PH N CH NH ME


2. THIT B DP TO HNH


66/92


Cng dng : L cc u truy nchuyn ng v mmen xontbnh n trc khuu

Li hp vu Li hp cht

Li hp ma st Li h trt

L h


2. THIT B DP TO HNH


67/92


Phanh


2. THIT B DP TO HNH


68/92

2.4 M Y P TR C KHU U DP N NG Cng dng, lnh vc sdngL dng my ln, siu tr ng siutrng.

S dng cho cc nguyn cng cn thngtrlc bin dng phi rt ln

khuu, bnh rng, cam .. c im cu to ca my

Trc khuu l tr c lc tm, hnh trnhng n : Do lc ln nn c n cng vng u trt c ui dn hng ph:nguyn nhn do u trt b lch tm v

mc bin dng khc nhau, lch trungtm p lc khun. Bn my c th nng h, lp khun


v ch ng qu ti.

2. THIT B DP TO HNH


69/92

Dy truy n dp trc khuu


NI DUNG


70/92

1. C IM V PHN LOI.

1.2 LNH VC P DNG

2. CC THIT B CHNH2.1 MY BA

2.2 MY P THY LC

2.3 M Y P TRC KHU U

2.4 MY P VT MA ST

.

3. HNG PHT TRIN


2. THIT B DP TO HNH


71/92

2.4 M Y P V T- MA S T2.4.1 CNG DNG, S NGUYN L


2. THIT B DP TO HNH


72/92


Cng ng : S ng c trong p t m v p , p p n t c c ctit chn dng chui di

My p MSTV c hnh trnh khng cnh ging nh my ba, nn c thdp nhi u l n mt vt dp trn mt lng khun.So vi my p trc khuu cng c, c th ch to c sn phm c kch

thc ln hn.

n r n n n n n c p c c c v p cao n.Tc bin dng trn my p MSTV nh hn so vi trn my ba. Khng cho php dp lch tm do c im kt cu ca my (cong vt).

chui di vi gc nghing thnh lng khun khng ng k. Kt cu khun ging nh trn METK dp nng.Trn m MSTV c th dn khun kn ho c ch ho c khun d vi


ci ghp 2 na.

2. THIT B DP TO HNH


73/92



2. THIT B DP TO HNH


74/92



2. THIT B DP TO HNH


75/92

2.4 M Y P V T- MA S T2.4.3 NNG LNG


NI DUNG


76/92

1. C IM V PHN LOI.

1.2 LNH VC P DNG

2. CC THIT B CHNH2.1 MY BA

2.2 MY P THY LC

2.3 M Y P TRC KHU U2.4 MY P VT MA ST

.

3. HNG PHT TRIN


2.5 CC LOI MY CHUYN DNG


77/92

Thit b mit




78/92

ThitThit kk tngtng thth mymy mitmitKC05.02/06-10

Xy lanh y

B ngu n t y c

Thn my chnh

B my


Bn phi ra



79/92

KC05.02/06-10




80/92

y p a c m

Quelle: Lange (Band 3); Dubbel LFU_Le_2195_pt



81/92

My nn tm



82/92

My nn tm




83/92

MY RT VNH (CN VNH)




84/92

MY RT VNH (CN VNH) - QTCN

Nung phi Chn t, nong l Rt vnh




85/92

MY CN CHU K

Sng My cn rn




86/92




87/92




88/92




89/92

Schmiedepresse mitre ormsc m e en:

Oberwerkzeug

Spitzsttel

Werk-stck

Rundsttel

Unterwerkzeug




90/92

Tragkraft: 2500 kN

Tragkraft: 800 kN




91/92

40 MN Freiformschmiedepresse:


PHN XNG RN DP (C)


92/92

THI T B

LFU_Dr_0021_pt

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Thiet_bi_dap-Nguyen_Kien