This document summarizes different types of milling machines. It begins by introducing milling machines and their basic functions. It then classifies milling machines into five main categories: column and knee type, fixed bed type, planer type, production type, and special type. For column and knee type machines, it further breaks this down into hand milling, plain/horizontal, vertical, omniversal, and universal milling machines. For each type, it provides a brief description of its key features and functions.
After studying this unit, you should be able to understand
introduction and working principle of milling machine,
different type of milling operations,
different type of milling machine and their main parts,
specifications of milling machines,different cutting parameters as setting of a milling machine,
introduction of milling cutters,
different operations that can be performed on a milling machine
MILLING – Cutting parameters, machine time calculation
Milling operation – Plain milling, side & face milling, form milling, gang milling, end milling, face milling, T slot milling, slitting
GEAR CUTTING – Gear cutting on milling machine – dividing head and indexing method, gear hobbing, principle of operation, advantages & limitation, hobbing tech, gear shaping, gear finishing process
Milling operations-types of milling cutter. Gear cutting – forming and generation principle and construction of gear milling, hobbing and gear shaping processes –finishing of gears.
This presentation provides an insight to the topic of milling machines and its basics. It will be of great help for the beginners who would be trying to grasp the concepts related to this topic.
After studying this unit, you should be able to understand
introduction and working principle of milling machine,
different type of milling operations,
different type of milling machine and their main parts,
specifications of milling machines,different cutting parameters as setting of a milling machine,
introduction of milling cutters,
different operations that can be performed on a milling machine
MILLING – Cutting parameters, machine time calculation
Milling operation – Plain milling, side & face milling, form milling, gang milling, end milling, face milling, T slot milling, slitting
GEAR CUTTING – Gear cutting on milling machine – dividing head and indexing method, gear hobbing, principle of operation, advantages & limitation, hobbing tech, gear shaping, gear finishing process
Milling operations-types of milling cutter. Gear cutting – forming and generation principle and construction of gear milling, hobbing and gear shaping processes –finishing of gears.
This presentation provides an insight to the topic of milling machines and its basics. It will be of great help for the beginners who would be trying to grasp the concepts related to this topic.
Shaping Machine, -Types, various operations, feed mechanism, advantages, and limitations.
2.Planning Machine - Types, various operations, feed mechanism, advantages, and limitations.
3.Slotting Machine- Types, various operations, feed mechanism, advantages, and limitations.
4. Broaching Machine- Types, various operations, feed mechanism, advantages, and limitations.
5.Industrial visit of students to the ferrous and non-ferrous foundry
Second Part of Inner Products including Cauchy Schwarz inequality, Pythagorean theorem, Orthogonal complement, Projection theorem with geometrical interpretation, Least Square Solution
Water billing management system project report.pdfKamal Acharya
Our project entitled “Water Billing Management System” aims is to generate Water bill with all the charges and penalty. Manual system that is employed is extremely laborious and quite inadequate. It only makes the process more difficult and hard.
The aim of our project is to develop a system that is meant to partially computerize the work performed in the Water Board like generating monthly Water bill, record of consuming unit of water, store record of the customer and previous unpaid record.
We used HTML/PHP as front end and MYSQL as back end for developing our project. HTML is primarily a visual design environment. We can create a android application by designing the form and that make up the user interface. Adding android application code to the form and the objects such as buttons and text boxes on them and adding any required support code in additional modular.
MySQL is free open source database that facilitates the effective management of the databases by connecting them to the software. It is a stable ,reliable and the powerful solution with the advanced features and advantages which are as follows: Data Security.MySQL is free open source database that facilitates the effective management of the databases by connecting them to the software.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
The Internet of Things (IoT) is a revolutionary concept that connects everyday objects and devices to the internet, enabling them to communicate, collect, and exchange data. Imagine a world where your refrigerator notifies you when you’re running low on groceries, or streetlights adjust their brightness based on traffic patterns – that’s the power of IoT. In essence, IoT transforms ordinary objects into smart, interconnected devices, creating a network of endless possibilities.
Here is a blog on the role of electrical and electronics engineers in IOT. Let's dig in!!!!
For more such content visit: https://nttftrg.com/
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This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)
Mp1 presentation
1. Manufacturing Process-1 (2110011)
Guided by :
Prof. VAi
Created By :
Name : Shah Preet .P.
Enroll. No. : 160410119117
Batch : C
Dept : Mechanical
Topic : Purpose and type of
milling machine
1
2. Introduction
A milling machine is a machine tool that removes metal as the
work is fed against a rotating multipoint cutter.
The cutter rotates at a high speed and because of the
multipoint cutting edges it removes metal at a very fast rate.
First milling machine came into existence in about 1770 and
was of french origin.
2
3. Classification According To General Design
A large variety of different types of milling machines are available.
The milling machine may be classified in several form covering a
wide range of work and capacities, but the choice of any
particular machine is determined primarily by the nature of the
work to be undertaken both in relation to the size and operation
to be performed.
1. Column and knee type
2. Fixed bed type
3. Planer type
4. Production type
5. Special type
3
4. Column And Knee Type
For general shopwork the most commonly used is the column
and knee type where the table is mounted on the knee-casting
which in turn is mounted on the vertical slides of the main
column.
The knee is vertically adjustable on the column so that the
table can be moved up and down to accommodate work of
various height.
The column and knee type milling machine are classified
according to the various methods of supplying power to the
table, different movement of the table and different axis of
rotation of the main spindle.
4
5. Classification Of Column And Knee Type
1. Hand milling machine
2. Plain or Horizontal milling machine
3. Vertical milling machine
4. Omniversal milling machine
5. Universal milling machine
5
6. Hand Milling Machine
It is the simplest of all the milling machines and smaller in size.
All the operations are performed by hand except the rotation
of an arbor.
The table carrying the work piece over it is moved by hand to
feed the work piece.
This machine is mostly useful in producing small components
such as hexagonal or square headed bolts, cutting key ways
and slots on screw heads.
6
8. Plain Milling Machine
For supporting the saddle, worktable and other accessories such as indexing head,
knee is provided.
Overarm provides support for the yoke which supports the free end of the arbor.
The arbor carrying the cutter rotates about a horizontal axis.
Except swiveling, the table can be given motion in three different directions i.e.
o Longitudinal direction ( )
o Vertical direction ( )
o Cross direction ( )
For vertical movement of the table, the knee along with whole unit over it slides up and down in
the guide ways provided on the column.
For cross movement of the table, the saddle is moved towards or away from the column along
with the whole unit over it.
To provide additional support and rigidity to the arbor, a brace is employed.
x
8
10. Vertical Milling Machine
In this type of machine spindle position is vertical hence, called as vertical milling machine.
This machine is available in two types i.e. fixed bed type and column and knee type.
It consists of a vertical column on a heavy base and overarm is made integral with the column and
carrying housing at its front.
This housing is called as head which can be of fixed type or swivelling type.
In fixed head type, the spindle always remains vertical and can be adjusted up and down.
Whereas, in swivelling head type, the spindle can be swivelled to any required angle for machining inclined
surfaces.
The knee carries a screw jack with the help of which it is moved up and down along the guide ways
provided on the column.
The saddle is mounted on the knee which can be moved towards or away from the column, along the
horizontal guide ways provided on the knee.
This enables the table to move in cross direction.
Similar to horizontal milling machine, in vertical milling machine also there are three motions for the table
i.e. longitudinal, vertical and cross.
Hence, with the help of knee the work piece gets vertical movement, by using cross movement; and
longitudinal movement by the table.
10
12. Omniversal Milling Machine
Omniversal milling machine is a modified form of a plain
milling machine.
It is provided with two spindles, out of which one is horizontal
and other is carried by a universal swivelling head.
The latter can be fixed in vertical position or can be set at any
required angle up to 90 on both the sides of vertical.
One more special feature of this machine is that, it carries two
more adjustments in addition to all the adjustments provided
in a universal machine.
Its knee can be swivelled about a horizontal axis to tilt the
table and can be moved horizontally also.
Hence, this machine is very useful for tool room work.
12
14. Universal Milling Machine
Universal milling machines are most versatile of all the milling
machines and most useful because, they are capable of
performing most of the machining operations.
By using this machine, large number of other machine tools can
be avoided.
Universal milling machine is similar to horizontal milling machine,
except that the table can be given one more additional
movement.
Its table can be swivelled in a horizontal plane and for this
purpose circular guide way are provided on the saddle.
To read the angle of swivelling, a graduated circular base is
provided under the table with datum mark on the saddle.
Hence, Work piece can be set at an angle with the cutter for
milling helical and spiral flutes and grooves.
14
16. Fixed Bed Type
The fixed bed type milling machine are comparatively large,
heavy, and rigid and differ radically from column and knee
type milling machine by the construction of its table mounting.
The table is directly mounted on the ways of fixed bed.
The cutter mounted on the spindle head may be moved
vertically on the column, and the spindle may be adjusted
horizontally to provide cross adjustment.
16
17. Fixed Bed Type
The name simplex, duplex and triplex indicates that the
machine is provided with single, double and triple spindle
heads respectively.
In duplex machine, the spindle heads are arranged one on
each side of the table.
In triplex type the third spindle is mounted on a cross rail.
The automatic control of the machine enables it to be used
with advantage in repetitive type of work.
17
19. Planer Type
The plano-miller, as it is called, is a massive machine built up
for heavy duty work, having spindle heads adjustable in vertical
in transverse direction.
There may be a number of independent spindles carrying
cutters on the rail as well as two heads on the uprights.
Modern plano-milers are provided with high power driven
spindles powered to the extent of 100 h.p. And the rate of
metal removal is tremendous.
19
22. Special Type
Milling machine of non conventional design have been developed to suit special
purposes.
The features that they have in common are the spindle for rotating the cutter and
provision for moving the tool or the work in different directions.
Special type of machine are as follow:-
1. Rotary table machine
2. Drum milling machine
3. Planetary milling machine
4. Pantograph milling machine
5. Profiling machine
6. Tracer controlled milling machine
22