The document contains 12 examples of assemblies drawn in AutoCAD, including a sleeve and cotter joint, knuckle joint, screw jack, foot step bearing, plummer block, universal coupling, simple eccentric, machine vice, protected flanged coupling, stuffing box, connecting rod, and swivel bearing. Each example provides the aim, description, commands used, drawing procedure, and result of assembling the parts in AutoCAD.

1. Ex.no:1 Sleeve and cotter joint
Aim:
To draw and assemble given parts to design sleeve and cotter joint using AutoCAD.
Description:
• Sleeve and cotter joint is a type of joint use that usually connects two identical coaxial
cylindrical rods.
Commands used:
• Limits
• Units
• Line
• Spline
• Fillet
• Circle
• Hatch
• Copy
• Move
• Mirror
• Text
• Trim
• Erase
• Dimension
Procedure:
➢ Draw the sleeve part first
➢ Draw the cotter in sleeve both right and left side
➢ Draw the rod in sleeve both right and left side
➢ Copy the sleeve and paste in top view.
➢ Draw the rod in top view
➢ Draw the cotter in top view
➢ Use the suitable dimension tool
➢ Use Hatch tool
Result:
• Given sleeve and cotter joint successfully drawn and assembled using AutoCAD.

2. Ex.no:2 Knuckle Joint
Aim:
To draw and assemble given parts to design knuckle joint using AutoCAD.
Description:
• A knuckle joint is a form of pin joint that's used to transmit tension loads while allowing
rotation in one plane.
• Knuckle joints are often used to connect rods subjected to tension in structures such as roof
ties, bridges, and cranes.
Commands used:
• Limits
• Units
• Line
• Spline
• Fillet
• Circle
• Hatch
• Copy
• Move
• Mirror
• Text
• Trim
• Erase
• Dimension
Procedure:
➢ First draw the fork end part.
➢ Draw the eye end part
➢ Draw the knuckle pin
➢ Draw the collar
➢ Draw the tapper pin
➢ Draw the top view suitable drawing tools
Result:
• Given knuckle joint successfully drawn and assembled using AutoCAD.

3. Ex.no:3 Screw Jack
Aim:
To draw and assemble given parts to design screw jack using AutoCAD.
Description:
• A jackscrew, or screw jack, is a type of jack that is operated by turning a leadscrew.
• It is commonly used to lift moderately and heavy weights, such as vehicles; to raise and lower the
horizontal stabilizers of aircraft; and as adjustable supports for heavy loads, such as the
foundations of houses.
Commands used:
• Limits
• Units
• Line
• Spline
• Fillet
• Circle
• Hatch
• Copy
• Move
• Text
• Trim
• Erase
• Dimension
Procedure:
Front view:
➢ Draw the body first in front view
➢ Draw the nut
➢ Draw the screw
➢ Draw the cup
➢ Draw the washer
➢ Drae the screw
➢ Draw the tommy bar
Top view:
➢ Use the suitable draw tools to design top view of screw jack
Result:
• Given screw jack successfully drawn and assembled using AutoCAD.

4. Ex.no:4 Foot Step Bearing
Aim:
• To draw and assemble given parts to design screw jack using AutoCAD.
Description:
➢ A bearing designed to support a vertical shaft or spindle, typically taking the form of a
block having a cavity that accommodates the lower part of a shaft.
➢ A footstep bearing is a cylindrical rigid block with a solid foundation. It has a cavity inside it
within which the shaft is placed. The footstep bearing supports a vertical shaft. Many a time
vertical shafts overhang, thus the footstep bearing is used as end support.
Commands used:
• Limits
• Units
• Line
• Spline
• Fillet
• Circle
• Hatch
• Copy
• Move
• Mirror
• Text
• Trim
• Erase
• Dimension
Procedure:
Front view:
➢ Draw the supporting bracket first.
➢ Draw the bush
➢ Draw pad part
➢ Draw shaft part
➢ Draw locking plate
➢ Draw screw part
Top view:
➢ Use the suitable draw and modify tools to draw top view.
Result:
• Given Foot Step Bearing successfully drawn and assembled using AutoCAD.

5. Ex.no:5 Plummer Block
Aim:
• To draw and assemble given parts to design Plummer Block using AutoCAD.
Description:
➢ The Plummer block, which is an assembly comprising of a self-aligning ball bearing or
spherical roller bearing placed in bearing boxes of various shapes, has a large load
capacity and is easy to handle.
➢ Therefore it is widely used in general industrial machinery such as conveyors.
Commands used:
• Limits
• Units
• Line
• Spline
• Fillet
• Circle
• Hatch
• Copy
• Move
• Mirror
• Text
• Trim
• Erase
• Dimension
Procedure:
Front view:
➢ Draw the brasses part first.
➢ Draw the body part.
➢ Draw the cap part
➢ Draw the bolt and nut
Top View:
➢ Draw the top view with suitable draw and modify tools
Result:
• Given Plummer Block successfully drawn and assembled using AutoCAD.

6. Ex.no:6 Universal Coupling
Aim:
• To draw and assemble given parts to design Universal Coupling using AutoCAD.
Description:
➢ A Universal Joint is a joint or coupling that connects rigid rods whose axes are bent to each
other and are commonly used in shafts that transmit rotary motion.
➢ It consists of a pair of hinges placed close together, connected by a cross shaft, oriented at
90 ° to each other.
Commands used:
• Limits
• Units
• Line
• Spline
• Fillet
• Circle
• Hatch
• Copy
• Move
• Mirror
• Text
• Trim
• Erase
• Dimension
Procedure:
Front view:
➢ Draw shaft part
➢ Draw fork part
➢ Draw central block
➢ Draw pin part
➢ Draw the collar
➢ Draw the key
Top view:
➢ Draw the top view with suitable draw and modify tools
Result:
• Given Universal Coupling successfully drawn and assembled using AutoCAD.

7. Ex.no:7 Simple Eccentric
Aim:
• To draw and assemble given parts to design Simple Eccentric using AutoCAD.
Description:
➢ Simple eccentric is used in steam engine
➢ Unlike a cam, which also converts rotary into linear motion at almost any rate of acceleration
and deceleration, an eccentric or return crank can only impart simple harmonic motion.
Commands used:
• Limits
• Units
• Line
• Spline
• Fillet
• Circle
• Hatch
• Copy
• Move
• Mirror
• Text
• Trim
• Erase
• Dimension
Procedure:
Front view:
➢ Draw sheave part first.
➢ Draw strap part
➢ Draw bolt part
➢ Draw the nut part
➢ Draw packing part
Top View:
➢ Use the suitable draw and modify tools
Result:
• Given Simple Eccentric successfully drawn and assembled using AutoCAD.

8. Ex.no:8 Machine Vice
Aim:
• To draw and assemble given parts to design Machine Vice using AutoCAD.
Description:
➢ A machine vice works by positioning and restraining a workpiece while using a machine
such as a drill press or milling machine.
➢ When turned, pressure is exerted by this handle through the main screw, which either opens
or closes the vice jaws depending on the direction of rotation.
Commands used:
• Limits
• Units
• Line
• Spline
• Fillet
• Circle
• Hatch
• Copy
• Move
• Mirror
• Text
• Trim
• Erase
• Dimension
Procedure:
Front view:
➢ Draw base part
➢ Draw the block part
➢ Draw fixed jaw
➢ Draw sliding jaw part
➢ Draw screw spindle part
Top view
➢ Draw base part
➢ Draw screw part
➢ Draw sliding jaw part
➢ Draw spindle part
Result:
• Given Machine Vice successfully drawn and assembled using AutoCAD.

9. Ex.no:9 Protected type Flanged Coupling
Aim:
• To draw and assemble given parts to design Protected type flanged coupling using AutoCAD.
Description:
➢ Flange Coupling is a driving coupling between rotating shafts that consists of flanges one
of which is fixed at the end of each shaft, the two Flanges being bolted together with a ring of
bolts to complete the drive.
➢ A flange coupling meant to bring two tube ends together in a flush, sealed manner.
Commands used:
• Limits
• Units
• Line
• Fillet
• Circle
• Hatch
• Copy
• Move
• Mirror
• Text
• Trim
• Erase
• Dimension
Procedure:
Front view:
➢ Draw the flange male part first.
➢ Draw the flange female part
➢ Draw the nut
➢ Draw the bolt
➢ Draw the keys
Side view:
➢ Use draw and modify tools to draw the side view
Result:
• Given Protected type flanged coupling successfully drawn and assembled using AutoCAD.

10. Ex.no:10 Stuffing Box
Aim:
• To draw and assemble given parts to design stuffing box using AutoCAD.
Description:
➢ A stuffing box or gland package is an assembly which is used to house a gland seal.
➢ It is used to prevent leakage of fluid, such as water or steam, between sliding or
turning parts of machine elements.
Commands used:
• Limits
• Units
• Line
• Fillet
• Circle
• Hatch
• Copy
• Move
• Mirror
• Text
• Trim
• Erase
• Dimension
Procedure:
Front view:
➢ Draw the body part first
➢ Draw gland part
➢ Draw the bush part
➢ Draw stud part
➢ Draw nut
Top view:
➢ Use the draw and modify tools to draw top view
Result:
• Given stuffing box successfully drawn and assembled using AutoCAD.

11. Ex.no:11 Connecting Rod
Aim:
• To draw and assemble given parts to design vertical stuffing box using AutoCAD.
Description:
➢ A connecting rod is the part of a piston engine which connects the piston to the
crankshaft.
➢ Together with the crank, the connecting rod converts the reciprocating motion of the piston
into the rotation of the crankshaft.
Commands used:
• Limits
• Units
• Line
• Fillet
• Circle
• Hatch
• Copy
• Move
• Fillet
• Mirror
• Text
• Trim
• Erase
• Dimension
Procedure:
Front view:
➢ Draw rod part
➢ Draw cap part
➢ Draw bearing brass
➢ Draw the bearing bush
➢ Draw bolt
➢ Draw nut
Top view:
➢ Use the draw and modify tools to draw top view
Result:
• Given Connecting Rod successfully drawn and assembled using AutoCAD.

12. Ex.no:12 Swivel Bearing
Aim:
• To draw and assemble given parts to design swivel bearing using AutoCAD.
Description:
➢ Swivel bearing is used to support and adjust itself the position of the shaft when there is
possibility of slight misalignment
Commands used:
• Limits
• Units
• Line
• Fillet
• Circle
• Hatch
• Copy
• Move
• Mirror
• Text
• Trim
• Erase
• Dimension
Procedure:
Front view:
➢ Draw casting part
➢ Draw spindle part
➢ Draw fork part
➢ Draw knurling nut part
➢ Draw bearing and bush
➢ Draw set screw
Top view:
➢ Draw the bolt and nut with other draw and modify tools
Result:
• Given swivel bearing successfully drawn and assembled using AutoCAD.