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PROBLEMS ON CAMS & FOLLOWERS SCMS SCHOOL OF ENGINEERING & TECHNOLOGY PREPARED BY SAJITH. E & NIKHIL ASOK. N ASSISTANT PROFESSOR SCMS SCHOOL OF ENGINEERING & TECHNOLOGY KARUKUTTY, ERNAKULAM

Problems on Follower motion and cams

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Cams and follower problems

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Page 1: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

http://slidepdf.com/reader/full/problems-on-follower-motion-and-cams 1/18

PROBLEMS ON CAMS

&FOLLOWERS

SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

PREPARED BY 

SAJITH. E & NIKHIL ASOK. N

ASSISTANT PROFESSOR

SCMS SCHOOL OF ENGINEERING & TECHNOLOGY 

KARUKUTTY, ERNAKULAM

Page 2: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

http://slidepdf.com/reader/full/problems-on-follower-motion-and-cams 2/18

Given Daa!

Direction of rotation Clockwise

Follower type Knife Edge

Minimum Radius 35mm

Lift / troke !"mmRaise period #$"" %&niform

'elocity(

Dwell # 3""

Return period )"" %&niform'elocity(

Dwell $ #5""

SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

Page 3: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

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     D     I     S     P     L     A

     C     E     M     E     N     T

FOLLOWER MOVES WITH UNIFORM

VELOCITY 

ANGULAR DISPLACEMENT

* !"

mm

+

,

C

D

E

-

.

M

 0

#

L

1

F

"2$ !3 5 )

)2#2 $2 32 !2 52"

 

4

 

DWELL "

#$$

%$"'$$

  %R"($$

DWELL "

)$$

SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

Page 4: Problems on Follower motion and cams

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http://slidepdf.com/reader/full/problems-on-follower-motion-and-cams 4/18

52

   6  D  *    3   "   "

   6  7  *   #   $   "   "

+

  R   3  5

7

,C

-

E

.

F

#

 0

L

M

1

D

$3

!

5

)

"2

#2

$2

32

!2

)2

6R*)""

,ase Circle

Knife EdgeFollower

Cam 8ro9le

 race 8oint

 SCMS SCHOOL OF ENGINEERING &

TECHNOLOGY 

Page 5: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

http://slidepdf.com/reader/full/problems-on-follower-motion-and-cams 5/18

Page 6: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

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M

)21

6 R * ) " " 

  6  D *  3

 " "

R # " 

+,

C

E

.

F

D

- 0

L

7 R  3 5 

   6  7  *   #   $

   "   "

#$

3

!

5

)

"2#2

$2

32

!

2

52

,ase Circle

 race 8oint

7:set Circle

Cam 8ro9le

Knife EdgeFollower

 

SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

Page 7: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

http://slidepdf.com/reader/full/problems-on-follower-motion-and-cams 7/18

Given Daa!

Direction of rotation Clockwise

Follower type Roller

Minimum Radius $5mm

Lift 5"mmRoller Diameter $"mm

Raise period #$"" % M(

Dwell # 3""

Return period )"" % M(

Dwell $ #5""

SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

Page 8: Problems on Follower motion and cams

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4     D     I     S     P     L     A     C     E

     M     E     N     T

FOLLOWER MOVES WITH SIMPLE HARMONIC

MOTION (SHM)

ANGULAR DISPLACEMENT

DWELL "

#$$

%$"'$$ 

%R"($$DWELL "

)$$

+

,

C

D

E

.F -

M

 0

L

1

# "2$ !3 5 ) )2#2 $2 32 !2 52"

 

d

e

c

a

;  

* 5"

mm

SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

Page 9: Problems on Follower motion and cams

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http://slidepdf.com/reader/full/problems-on-follower-motion-and-cams 9/18

52

   6  D  *    3   "   "

   6  7  *   #   $   "   "

+

  R  $  5

7

,C

 0

E

.

F

#

L

M

1

8

D

$3

!

5

)

"2

#2

$2

32

!2

)2

R35

6R*)""

,ase Circle

8rime Circle

Cam 8ro9le

8itc< Cur=e

Roller Follower

 race 8oint

 SCMS SCHOOL OF ENGINEERING &

TECHNOLOGY 

Page 10: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

http://slidepdf.com/reader/full/problems-on-follower-motion-and-cams 10/18

Given Daa!

Direction of rotation Clockwise

Follower type Roller

Minimum Radius $5mm

Lift 5"mmRoller Diameter $"mm

7:set #"mm

Raise period #$"" % M(

Dwell # 3""

Return period )"" % M(

Dwell $ #5""SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

Page 11: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

http://slidepdf.com/reader/full/problems-on-follower-motion-and-cams 11/18

)28

6 R * ) " " 

  6  D *  3

 " "

R # " 

+,

C

E

.

F

D

 0K 

L

M1

7 R 3 5 

   6  7  *   #   $

   "   "

  R  $  5

#$

3

!

5

)

"2#2

$2

32

!

2

52

,ase Circle

8rime Circle

Roller Follower

 race 8oint

7:set Circle

Cam 8ro9le

8itc< Cur=e

 

SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

Page 12: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

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Given Daa!

Direction of rotation Clockwise

Follower type Flat Faced

Minimum Radius 35mm

Lift 5"mmRaise period #$"" % M(

Dwell # 3""

Return period )""

% M(Dwell $ #5""

SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

Page 13: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

http://slidepdf.com/reader/full/problems-on-follower-motion-and-cams 13/18

+

,

52

   6  D  *    3   "   "

   6  7  *   #   $   "   "

  R   3  5

7

C

 0

E

.

F

#

L

M

1

8

D

$3

!

5

)

"2

#2

$2

32

!2

)2

6R*)""

,ase Circle

Flat FacedFollower

Cam 8ro9le

 race 8oint

 SCMS SCHOOL OF ENGINEERING &

TECHNOLOGY 

Page 14: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

http://slidepdf.com/reader/full/problems-on-follower-motion-and-cams 14/18

Given Daa!

Direction of rotation Clockwise

Follower type Flat Faced

Minimum Radius 35mm

Lift 5"mm7:set #"mm

Raise period #$"" % M(

Dwell # 3""

Return period )"" % M(

Dwell $ #5""

SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

Page 15: Problems on Follower motion and cams

7/21/2019 Problems on Follower motion and cams

http://slidepdf.com/reader/full/problems-on-follower-motion-and-cams 15/18

Given Daa!

Direction of

rotation

Counter>Clockwise

Follower type Roller

Minimum

Radius

!" mm

Lift 3?@5 mm

Roller Radius $" mm

Raise period #$"" %uniform acceleration

and retardation (

Dwell # 3""

Return period )"" %uniform acceleration

and retardation (

Dwell $ #5""SCMS SCHOOL OF ENGINEERING &

TECHNOLOGY 

Page 16: Problems on Follower motion and cams

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     D     I     S     P     L     A     C     E

     M     E     N     T

ANGULAR DISPLACEMENT

6" * #$"" 6R* )""DWELL "

#$$

DWELL "

)$$

* 3?@5 m

FOLLOWER MOVES WITH UNIFORM

 ACCELERATION AND RETARDATION

# "2$ !3 5 ) )2#2 $2 32 !2 52"+

,

C

D

E

.

F -

M

 0

L

1a

;

c

d

e

l

k

 A

i

<

 

 

4

SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

Page 17: Problems on Follower motion and cams

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M

"2

)2

,

6R*)""

52

6   D  *  3   "  "  

6    7     *   

#    $    "    

  "    

+

R ! " 

7

C

 0

E

.

F

#

L

-

1

D$

3

!

5

)

#2

$2

32

!2

  R  )  "

,ase Circle

8rime Circle

Cam 8ro9le

8itc< Cur=e

RollerFollower

 race 8oint

 SCMS SCHOOL OF ENGINEERING &TECHNOLOGY 

Page 18: Problems on Follower motion and cams

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