Khoa in - in t H THNG KH NN, THU LC

1

BI TP TNG HP

Bi tp1:

H thng 01 xilanh tc dng n vi cc yu cu cng ngh:

+ Dng kp chi tit khi gia cng, lc kp cn thit n 1000N, p sut ngun

6bar

+ Dng van o chiu 3/2 iu khin mt pha bng kh nn hoc in t;

+ C th iu chnh tc tu khi Piston i ra; li v tng tc bng van x

nhanh

Yu cu:

- Chn xi lanh ( kiu, din tch tc dng/ng knh piston, m s, n gi)

- Chn van ( kiu, cc thng s p sut, lu lng)

- Thit k iu khin bng hai phng n: kh nn; in- kh nn

vi mch t duy tr; piston i ra bng nt n START, i v bng nt n STOP;

Bi tp 2: Thit k iu khin bng hai phng n: kh nn; in kh nn

H thng 01 xilanh tc dng kp vi cc yu cu:

+ Xi lanh c din tch piston l 80 cm2, lc y cn thit 1000N, tc y

0.02m/s

+ C th iu chnh tc khi Piston i ra; li v cn tng tc dng van x nhanh.

c th iu khin piston ra vo ti hai v tr vi mch t duy tr; piston i ra bng

nt n START, i v bng nt n STOP;

Yu cu:

- Chn xi lanh ( kiu, m s, n gi)

- Chn ngun kh nn

- Dng van o chiu 5/2 iu khin mt pha, tnh lu lng cn thit qua van,

chn van ( kiu, cc thng s p sut, lu lng)

- Thit k iu khin bng hai phng n: kh nn; in- kh nn

Bi tp 3:

H thng c biu hnh trnh bc ( hnh 1) cho:

+ Khi dng xi lanh tc dng n, dng van o chiu

iu khin mt pha hoc hai pha.

+ Khi dng xi lanh tc dng kp, dng van o chiu

iu khin mt pha hoc hai pha.

Yu cu: Thit k iu khin bng hai phng n: kh nn; in kh nn

Hnh 1

Khoa in - in t H THNG KH NN, THU LC

2

Bi tp 4:

H thng c biu hnh trnh bc ( hnh 2),

Yu cu:

Thit k iu khin bng hai phng n: kh nn; in

kh nn cho cc trng hp:

- Xi lanh tc dng n

- Xi lanh tc dng kp.

Bi tp 5:

Mt thit b khuy nguyn liu s dng Motor kh nn dng xoay (gc quay 0-270o) c

m t bng biu hnh trnh bc v s h thng kh nn cha hon thin ( hnh 3)

4 2

5

1

3

46%

46%

V 2

1 M

V 3

V 1

Motor

12S0

3=1

S1

S2t

t

Hnh 3

Yu cu:

- Hon thin s iu khin bng kh nn

- Thit k iu khin bng in kh nn

Bi tp 6:

Mt thit b lp rp chi tit c biu hnh trnh bc

(hnh 4).

Yu cu cng ngh: Hnh trnh thc hin lp chi tit

c la chn c tc . Hnh trnh rt v c tc

c tng cng ti a tng nng sut

Yu cu:

Thit k iu khin bng hai phng n: kh nn; in

kh nn.

1A

12S0

3=1

S1

S2

t

P

Hnh 4

Hnh 2

Khoa in - in t H THNG KH NN, THU LC

3

Bi tp 7:

V li k hiu, gi tn y v nu chc nng ca cc phn t kh nn sau y :

1 2 3 4 5

2

1 3

2

1 3

2

1 3

6 7 8 9 10

1

2

3

1 1

2

40%

2

1 3

P = 6bar

Bi tp 8:

Mt h thng kh nn mt xi lanh n, van iu khin mt pha. Hy v s nguyn l h thng, iu khin bng kh nn vi nhng yu cu sau:

- Cu trc iu khin t duy tr - Tc piston i ra c th iu chnh c - Piston rt v c tng cng tc bng van x nhanh

Bi tp 9:

Mt h thng kh nn mt xi lanh n, van iu khin mt pha. 1. Hy v s nguyn l h thng, iu khin bng in - kh nn vi nhng yu cu sau

- Cu trc iu khin t duy tr - Tc piston i ra c th iu chnh c - Piston rt v c tng cng tc bng van x nhanh

2. Nu ng knh xi lanh D = 2.5cm, ph ti nh mc vi P = 6 bar, c vn tc 0.5m/s th lu lng kh nn phi bng bao nhiu lt/pht?

Bi tp 10:

V li k hiu, gi tn y v nu chc nng ca cc phn t kh nn sau y

1 2 3 4 5 2

1 3

2

1 3

4 2

5

1

3

6 7 8 9 10

1

2

3

1 1

240%

4 2

5

1

3

P = 6bar

Khoa in - in t H THNG KH NN, THU LC

4

Bi tp 11:

Mt h thng kh nn mt xi lanh tc dng kp, van iu khin mt pha. Hy v s nguyn l h thng, iu khin bng kh nn vi nhng yu cu sau:

- Cu trc iu khin t duy tr - Tc piston i ra c th iu chnh c - Piston rt v c tng cng tc bng van x nhanh

Bi tp 12:

Mt h thng kh nn mt xi lanh tc dng kp, van iu khin mt pha. 1. Hy v s nguyn l h thng, iu khin bng in - kh nn vi nhng yu

cu sau: - Cu trc iu khin t duy tr. - Tc piston i ra c th iu chnh c. - Piston rt v c tng cng tc bng van x nhanh.

2. Nu ng knh xi lanh D = 2.5cm, ph ti nh mc vi P = 6 bar, lu lng kh nn Q= 14.7 l/pht th vn tc ca piston bng bao nhiu ?

Bi tp 13:

V li k hiu, gi tn y v nu chc nng ca cc phn t kh nn sau y

1 2 3 4 5 2

1 3

2

1 3

4 2

5

1

3

6 7 8 9 10

1

2

3

40%

1 1

2

59%

2

1

12

3

4 2

5

1

3

Bi tp 14:

Mt h thng kh nn s dng mt xi lanh kp, van iu khin hai pha. Hy m t bi

ton iu khin bng biu hnh trnh bc vi nhng yu cu cho trc: - Cu trc iu khin t ng theo hnh trnh v thi gian.

- Piston dng li v tr cui cng ca hnh trnh mt thi gian bng 5s ri t ng li v.

- C th khi ng hai ni

Bi tp 15:

1. Hy thit lp s nguyn l h thng iu khin 01 xi lanh kp c yu cu : - Cu trc iu khin bng kh nn t ng theo hnh trnh v thi gian.

Khoa in - in t H THNG KH NN, THU LC

5

- Piston dng li v tr cui cng ca hnh trnh - thi gian bng 5s ri t ng li v.

- C th khi ng hai ni 2. Hy thit lp s nguyn l h thng trn iu khin bng in kh nn

Bi tp 16:

V li k hiu, gi tn y v nu chc nng ca cc phn t kh nn sau y:

1 2 3 4 5 2

1 3

2

1 3

4 2

5

1

3

6 7 8 9 10

1

2

3

40%

1 1

22

12 1

3

4 2

5

1

3

Bi tp 17:

Mt h thng kh nn c 01 xi lanh kp, van iu khin hai pha. Hy m t bi ton iu

khin bng biu hnh trnh bc vi nhng yu cu cho trc: - Cu trc iu khin t ng theo p sut.

- C th khi ng hai v tr. - C th iu khin Piston li v bt k v tr no trn hnh trnh

Bi tp 18:

Mt h thng kh nn c 01 xi lanh kp, van iu khin hai pha. 1. Hy thit k iu khin bng kh nn vi nhng yu cu cho trc :

- Cu trc iu khin t ng theo p sut. - C th khi ng bng nt n hoc bn p

- C th iu khin Piston li v bt k v tr no trn hnh trnh - Tc piston i ra c th iu chnh c.

2. Hy thit k iu khin bng in- kh nn vi nhng yu cu nh trn ( s dng cc nt n)

Khoa in - in t H THNG KH NN, THU LC

6

Bi tp 19:

Cho mt h thng kh nn c s nguyn l nh hnh v bn.

- Hy m t nguyn l hot ng v chc nng ca cc phn t cu thnh h thng - M t hot ng ca h

thng theo s .

Bi tp 20:

Cho h thng iu khin bng in kh nn nh hnh v bn 1. Hy thit lp s h thng iu khin bng hon ton bng kh nn, b sung thm 01 van x nhanh, 01 tit lu

2

1 3

+24V

0V

START K1

K1

STOP K1

Y

Y

1 2 3

2

3

Bi tp21:

Mt h thng kh nn mt xi lanh c biu hnh trnh bc nh hnh v bn

Hy thit lp s iu khin hon ton bng kh nn

2

12 1

3

4 2

5

1

34

4%

1

2

3

1 1

2

2

1 3

2

1 3

A

S 1 S 2

V 1 V 2

V 3

V 4 V 5

Khoa in - in t H THNG KH NN, THU LC

7

Bi tp 22:

Cho mt h thng kh nn c s nguyn l nh hnh v bn

Hy m t nguyn l hot ng v chc nng ca cc phn t cu thnh h thng

4 2

5

1

3

44

%

1

2

3

1 1

2

2

1 3

2

1 3

A

S 1 S 2

V 1V 2

V 3

V 4 V 5

56%

2

1

12

3

2

1 3

S3

S 3

S3

Bi tp 23:

V v m t cu trc chung ca mt h thng iu khin hon ton bng kh nn.

Bi tp24:

Cho mt h thng kh nn c s nguyn l nh hnh v bn.

1. Hy m t bng biu hnh trnh bc 2. Chuyn v s iu

khin bng in kh nn

2

12 1

3

4 2

5

1

3

44

%

1

2

3

1 1

2

2

1 3

2

1 3

A

S 1 S 2

V 1 V 2

V 3

V 4 V 5

Khoa in - in t H THNG KH NN, THU LC

8

Bi tp 2 5:

V v m t cu trc chung ca mt h thng iu khin bng in - kh nn.

Bi tp 26:

Cho s nguyn l h thng

iu khin bng kh nn nh hnh v bn

Hy m t li bng biu hnh trnh bc

S2

1

2

3

31%

4 2

5

1

3

2

1 3

2

1 3

1 1

2

1 1

2

2

1 3

S2

2

1 3

S 1 S 3 S 4

Bi tp 27:

Cho s nguyn l h thng

iu khin bng kh nn nh

hnh v bn

1. Hy m t bng biu hnh trnh bc 2. M t nguyn l hot ng ca cc phn t cu thnh h thng

Bi tp 28:

Cho s cng ngh ca thit b p nguyn liu nh hnh v Vi nhng yu cu:

- Chu trnh p c din ra t ng bng mt nt n, h thng c khi ng t xi lanh 1A

- im kt thc hnh trnh ca 1A s dng cng tc hnh trnh iu khin cho 2A

- Kim tra lc p thng qua p sut trong xi lanh 2A

- Kt thc qu trnh p 1A v 2A cng li v.

Hy v biu hnh trnh bc.

Nguyn liu vo

2

1 3

S2

S2 S3

4 2

5

1

3

2

1 3

2

1 3

2

1 3

S3

S 1

1 A 2 A

Khoa in - in t H THNG KH NN, THU LC

9

Bi tp 29:

Thit lp s nguyn l h thng iu khin bng kh nn cho thit b trn y. Bi tp30:

Cho s nguyn l h thng iu khin bng kh nn nh hnh v bn

1. Hy m t bng biu hnh trnh bc

2. Chuyn v s iu khin bng in kh nn

52

%

4 2

5

1

3

33%

2

1

12

3

2

1 3

S1

2

1 32

1 3

S2

S1 S2A

S o

V 1

V 2

Bi tp 31:

Cho s cng ngh ca thit b ng gi sn phm nh hnh v Vi nhng yu cu:

- Chu trnh ng gi c din ra t ng bng mt nt n, h thng c khi ng t xi lanh 1A

- im kt thc hnh trnh ca 1A, 2A s dng cng tc hnh trnh Hy thit lp biu hnh trnh bc.

Bi tp 32:

Thit lp s nguyn l h thng iu khin bng kh nn cho thit b trn.

Bi tp 33:

Thit lp s nguyn l h thng iu khin bng in - kh nn cho thit b trn, yu cu s dng phn t kim sot hnh trnh l cc cng tc t tim cn.

Khoa in - in t H THNG KH NN, THU LC

10

Bi tp 34:

Cho s cng ngh ca thit b vn chuyn sn phm nh hnh v Vi nhng yu cu:

- Chu trnh vn chuyn c din ra t ng bng mt nt n, h thng c khi ng t xi lanh 1A - im kt thc hnh trnh ca 1A, 2A s dng cng tc hnh trnh - Tc ra ca 2 xi lanh c th iu chnh c

Hy thit lp biu hnh trnh bc

Bi tp 35:

Thit lp s nguyn l h thng iu khin bng kh nn cho thit b trn.

Bi tp 36:

Thit lp s nguyn l h thng iu khin bng in - kh nn cho thit b trn, yu cu s dng phn t kim sot hnh trnh l cc cm bin quang.

Bi tp 37: Thit k iu khin bng hai phng n: kh nn; in kh nn

iu khin h thng tc dng n hoc kp nng ti trng m ( hnh 5)

H iu kin iu khin:

- Bng s tc ng nt n 1S1, hnh trnh nng ca piston c duy tr.

- Bng nt n 1S2, c th dng piston bt k v tr no trn

hnh trnh nng ( ch ti ca piston c th khin cho piston t li v).

Nu mun tip tc nng - li n 1S1.

n v tr t cm bin hnh trnh 1S3, piston t rt v v chun b cho

chu trnh mi.

- Hnh trnh nng v h u c iu chnh tc .

m

1S3 -

Hnh 5

Khoa in - in t H THNG KH NN, THU LC

11

Bi tp 38: Thit k iu khin bng in kh nn;

PLC- kh nn.

iu khin mt cylinder c biu bc nh hnh

6

Hnh trnh i ra v i v u c iu chnh tc .

Thi gian tr tu la chn

Bi tp 39: Thit k iu khin bng in kh nn;

PLC- kh nn.

iu khin mt cylinder c biu bc ( hnh 7)

Hnh trnh i ra v i v u c iu chnh tc .

Thi gian t tu la chn

T chn cu trc iu khin

Bi tp 40: Thit k iu khin bng hai phng n: kh

nn; in kh nn

iu khin mt cylinder c biu hnh trnh bc (hnh

8)

Hnh trnh i ra bnh thngv i v cn c tc nhanh nht. Thi gian v p sut t

tu la chn.

Bi tp 41: Thit k iu khin bng kh nn; in kh nn; PLC- kh nn.

iu khin hai xilanh c biu hnh trnh bc(hnh 9)

Chn cu trc iu khin theo tng kh nn v tng

in.

Bi tp 42: Thit k iu khin bng kh nn; in kh

nn; PLC- kh nn.

iu khin hai xilanh c biu hnh trnh bc (hnh

10)

T chn cu trc iu khin.

1A

1 2 5 = 1S0

3

S1

S2 S2

S1

4

t

STOP

Hnh 6

1A

12

5 = 1S0

3

S1

S2 S2

S1

4

t

STOP

Hnh 7

1A

12S0

3=1

S1

S2

t

P

Hnh 8

1A

1 21S0

3

1S1

1S2

2S2

2S1

4=1

2A

Hnh 9

Hnh 10

Khoa in - in t H THNG KH NN, THU LC

12

Bi tp 43 Thit k iu khin bng kh nn; in kh

nn; PLC- kh nn.

S cng ngh thit b khoan cho trn hnh 11

H iu kin:

Sau khi chi tit cn khoan c t ng v tr, piston

dn tin bu khoan rt ln v tr cao nht (xc nh

bng cm bin 1S1) hnh trnh dn tin khoan bt u

khi n nt START v rt v khi cn thit bng nt

STOP

Khong cch dn nhanh (khng hn ch lu lng )

c xc nh bng 1S2.

on hnh trnh khoan cn c kh nng iu chnh

tc . Hnh trnh rt ln cn phi rt nhanh

tng nng sut sn xut.

T xy dng biu hnh trnh bc v t chn cu trc iu khin.

Bi tp 44 Thit k iu khin bng kh nn; in kh nn; PLC- kh nn.

Thit k h thng kh nn thit b gia cng chi tit ( hnh 12):

H iu kin:

Xilanh 1A y chi tit cn gia cng ra khi ngn

cha v thc hin lun vic kp cht, bng mt

cm bin p sut P gim st lc kp chi tit, khi

p sut t ti mc cn thit, Xilanh bu khoan 2A t

ng thc hin khoan chi tit, khi t su l khoan

( bng mt phn t xc nh hnh trnh), 2A t

rt v, n v tr cui cng s cho php 1A rt v.

Khi 1A v v tr cui cng s cho php Xilanh 3A ra

y chi tit vo thng cha v t ng rt v. Kt thc mt

chu trnh lm vic.

Hnh trnh i ra ca cc piston u c hn ch

tc , hnh trnh i v bnh thng

+Thit lp biu hnh trnh bc

+ T chn cc phn t a tn hiu v cu trc iu khin

Hnh 11

Hnh 12

Khoa in - in t H THNG KH NN, THU LC

13

Bi tp 45 Thit k iu khin bng kh nn; in kh nn; PLC- kh nn.

iu khin mt cylinder c biu hnh trnh bc( hnh 13)

1S1 1S2 1S31 A

H iu kin: Nh cho trn biu ( Khi cp ngun kh nn, trng thi ca piston tng

ng mc 1 y cng l trng thi kt thc mt chu trnh iu khin)

Hnh trnh i ra v i v cn c iu chnh tc . S hnh trnh qua li ca piston

tu thuc vo khong thi gian t t.

Bi tp 46 Thit k iu khin bng kh nn; in kh nn; PLC- kh nn.

Thit b phn phi phi vt liu , s cng ngh v biu hnh trnh bc cho trn

hnh v 14:

H iu kin:

+ Thi gian t1 c hiu chnh cho hai khi vt liu ln qua vng chn; thi gian t2

c hiu chnh theo yu cu v kch thc v s lng phi cn cp.

+ Cc iu kin khc c m t trn biu hnh trnh bc.

+ C th lm vic t ng nhiu chu trnh khi dng mt cng tc chn ch t ng

+ Tc ra vo ca cc piston cn c iu chnh nh nhau.

1A

12

1S0

3 =1

1S1

1S2

2A

t

Hnh 13

Hnh 14

Khoa in - in t H THNG KH NN, THU LC

14

Bi tp 47 Thit k iu khin bng kh nn; in kh nn; PLC- kh nn.

Thit b p c kh cho gia sc, s cng ngh cho trn hnh 15

H iu kin:

Khi nguyn liu c np , bng

nt n START, xi lanh 1A ra ht hnh

trnh iu khin cho 2A xung, n

hnh trnh cho 1A v v 2A tip tc

p n p sut cn thit rt v

Cc hnh trnh i ra ca cc piston c

la chn tc .

Bi tp 48 Thit k iu khin bng kh nn; in kh nn; PLC- kh nn.

Thit b np phi cho my ct laser m t trn hnh 16. Chi tit cn gia cng c

t vo gi kp phi hp bi cc xilanh 2A, 1A v c a vo v tr gia cng. Thi

gian t2 cn cho qu trnh gia cng. Kt thc qu trnh ra cng, 1A rt v - chi tit c

vn chuyn ra khi v tr gia cng bi mt khu khc. Khi 1A rt v v tr ban u, 2A

s c a ra v tr sn sng.

Ty chn cu trc iu khin

Nguyn liu vo

Hnh 15

Hnh 16

Khoa in - in t H THNG KH NN, THU LC

15

Bi tp 49 Thit k iu khin bng kh nn; in kh nn; PLC- kh nn.

Thit b un (hnh 17). Tm kim loi X c a vo bng tay. Bng mt nt n

START, xilanh 1A ra kp cht. Lc kp c kim sot bng phn t p sut. Khi p

sut tho mn iu khin cho 2A i ra un s b tm kim loi cong mt gc 900

v rt v. 2A v n v tr cui cng iu khin cho 3A thc hin cng on un cui

cng. Kt thc cng on un, mt tn hiu t phn t p sut na s iu khin ng

thi cho c 3A v 1A rt v. Sn phm c ly ra bng tay.

Bi tp 50 Thit k iu khin bng kh nn; in kh nn; PLC- kh nn.

Thit b lm sch chi tit sau gia cng ( hnh 18). Chi tit cn lm sch c vn chuyn

theo bng ti W c xilanh 1A y vo gi vn chuyn X, xilanh 2A kp, xilanh 3A y

vo bung lm sch Y, xi lanh 4A y ra bng ti vn chuyn i hng Z.

Biu hnh trnh bc nh hnh v.

Hy chn cu trc iu khin in-kh nn thit k h thng.

Hnh 17

Hnh 18

Khoa in - in t H THNG KH NN, THU LC

16

Bi tp 51 Thit k iu khin bng kh nn; in kh nn; PLC- kh nn.

Bng ti vn chuyn sn phm ( hnh 19)

- B1: B4 l cc cng tc t tim cn - Xy lanh 1A nng khi: Nhn nt Start & B1&B3&B5 - Xy lanh 2A i ra khi: B2 tc ng - Xy lanh 2A i v khi: B4 tc ng sau 3s - Xy lanh 1A i v khi: B3 tc ng

Ch : B5 l cm bin quang dng pht hin phi khi n v tr ca xy lanh 1A

- Hnh trnh i ra v i v ca xy lanh c th iu chnh c tc . T v biu hnh trnh bc

Bi tp 52 Thit k iu khin bng kh nn;

in kh nn; PLC- kh nn.

H thng ng hp sn phm (hnh 20) M t: - Xy lanh 1A i ra khi:

Nhn nt Start & B1&B3& 0S5 - Xy lanh 2A i ra khi: B2 tc ng. - Xy lanh 2A i v khi: B4 tc ng - Xy lanh 2A i ra khi: B3 tc ng - Xy lanh 2A i v khi: B4 tc ng - Xy lanh 1A i v khi: B3 tc ng - Hnh trnh i ra v i v ca xy lanh c th iu chnh c tc .

T v biu hnh trnh bc

Hnh 19

Hnh 20

Khoa in - in t H THNG KH NN, THU LC

17

Bi tp 53 Cho s h thng thu lc nh hnh hnh 21

- Hy lp bng m t chc nng ca cc phn t trong h thng. Tn phn t Chc nng trong h thng

1V1

1V2

...

...

- Thuyt minh nguyn l lm vic ca h thng

Hnh 21

Khoa in - in t H THNG KH NN, THU LC

18

Bi tp 54 Cho s h thng thu lc nh hnh 22 - Hy lp bng m t chc nng ca cc phn t trong h thng.

Tn phn t Chc nng trong h thng 1V1

1V2

...

...

- Thuyt minh nguyn l lm vic ca h thng

Hnh 22

Khoa in - in t H THNG KH NN, THU LC

19

Bi tp 55 Cho s h thng thu lc nh hnh 23 - Hy lp bng m t chc nng ca cc phn t trong h thng.

Tn phn t Chc nng trong h thng 1V1

1V2

...

...

- Thuyt minh nguyn l lm vic ca h thng

Hnh 23