Lathe Machines 6 (1/2) Feet (Color : Blue)

Description

Lathe machine: Main Parts

We have briefly discussed about parts and working of lathe machine in upper section of this article. Now we will describe it.

Parts of Lathe Machine:

The lathe consist following parts.

1. Bed

It is the main body of the machine. All main components are bolted on it. It is usually made by cast iron due to its high compressive strength and high lubrication quality. It is made by casting process and bolted on floor space.

2. Tool post

It is bolted on the carriage. It is used to hold the tool at correct position. Tool holder mounted on it.

3. Chuck

Chuck is used to hold the workspace. It is bolted on the spindle which rotates the chuck and work piece. It is four jaw and three jaw according to the requirement of machine.

4. Head stock

Head stock is the main body parts which are placed at left side of bed. It is serve as holding device for the gear chain, spindle, driving pulley etc. It is also made by cast iron.

5. Tail stock

Tail stock situated on bed. It is placed at right hand side of the bed. The main function of tail stock to support the job when required. It is also used to perform drilling operation.

6. Lead screw

Lead screw is situated at the bottom side of bed which is used to move the carriage automatically during thread cutting.

7. Legs

Legs are used to carry all the loads of the machine. They are bolted on the floor which prevents vibration.

8. Carriage

It is situated between the head stock and tail stock. It is used to hold and move the tool post on the bed vertically and horizontally. It slides on the guide ways. Carriage is made by cast iron.

9. Apron

It is situated on the carriage. It consist all controlling and moving mechanism of carriage.

10. Chips pan

Chips pan is placed lower side of bed. The main function of it to carries all chips removed by the work piece.

11. Guide ways

Guide ways take care of movement of tail stock and carriage on bed.

12. Speed controller

Speed controller switch is situated on head stock which controls the speed of spindle.

13. Spindle

It is the main part of lathe which holds and rotates the chuck.

Lathe Machine Operation & Working:

Lathe machine is used to cut the metal from cylindrical work piece, and convert it into desire shape. It turns the cylindrical work piece, and during turning a sharp edge cutting tool introduce, which cuts the metal. Its working can be described as follow.

1. A cylindrical work piece fixed to the chuck. A chuck may have three jaw or for jaw according to the requirement. The work piece is at the center or some eccentric according to the process perform.

2. The spindle starts to rotate and set it at desire speed. The spindle speed plays a huge role during cutting. The spindle rotates the chuck and work piece.

3. Now check the work piece is turning properly. If it not set the work piece using dial gauge.

4. Now set the tool at desire feed by moving the tool post and carriage. The feed also play main role during cutting. Large feed may cause unwanted temperature increase.

5. After it tool is introduce between moving work piece at desire feed rate. It cut the metal from work piece. The feed rate is set at the cutting condition.

6. Now all unwanted metal is removed by moving the carriage form horizontally and vertically as desire according to the job requirement. After complete all process we got a well finished job.

7. Lathe can perform turning, boring, chamfering, shaping, facing, drilling knurling, grooving as shown in figure.

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