Grinding Machine
Posted by Vishnu on April 18th, 2010 11:16 AM | No Comment
5.12 Grinding Machine
Grinding machine is a machine used for the process of removing material by the abrasive action of a revolving wheel on the surface of a workpiece. The wheel used for performing the grinding operation is known as Grinding ...
Milling Operations
Posted by Vishnu on April 18th, 2010 11:12 AM | No Comment
5.11.6 Milling Operations
The various operations that can be performed on a milling machine are
Plain or slab milling Face milling Angular milling Form milling
Straddle milling Gang milling
1. Plain or slab Milling
It is the process employed for machining a ...
Principal parts of milling machine
Posted by Vishnu on April 18th, 2010 11:05 AM | No Comment
5.11.4 Principal parts of milling machine
The main parts of milling machine are
1. Base
It is a heavy casting provided at the bottom of the machine. It is accurately mechined on both the top and bottom surfaces. Column of the machine is ...
Milling Machine
Posted by Vishnu on April 18th, 2010 11:01 AM | No Comment
5.11 Milling Machine
Milling is the machining process in which metal removal takes place due to the cutting action of a revolving cutter when work is fed past it. The revolving cutter is held on a spindle or arbor. The work ...
Types of rolling mills
Posted by Vishnu on April 18th, 2010 10:19 AM | No Comment
5.8.3 Types of rolling mills
The different types of rolling mills are
Two-high rolling mill 2. Three-high rolling mill 3. Four-high rolling mill 4. Cluster rolling mill 5. Continuous rolling mill
1. Two-high rolling mill
It consists of two heavy horizontal rolls ...
Rolling
Posted by Vishnu on April 18th, 2010 10:08 AM | No Comment
5.8 Rolling
Rolling is a process where the metal is compressed between two rotating rolls for reducing its cross sectional area. This is one of the most widely used metal working processes because of its higher productivity and low cost. Rolling ...
Forging methods
Posted by Vishnu on April 15th, 2010 11:09 PM | No Comment
5.7.3 Forging methods
Four types of forging methods are generally employed
They are
1. Smith forging 2. Drop forging 3. Press forging 4. Machine forging
1. Smith Forging
This is the traditional forging operation done openly or in open dies by the village blacksmith. It ...