Introduction
Preface To SWARAJ
Punjab, the bread basket of India, the land with 50376 sq. Km is situated in Northern part of India. It is agriculturally Indiaâ„¢s most advanced and most prosperous state. Punjab Tractors limited was promoted by PSIDC as one of its projects in 1970 for the manufacturing of agricultural tractors. Since, this gave independence to country from import of tractors, so brand name SWARAJ, total independence was given.

SWARAJ tractors conceived in 1965 by a team of dedicated engineers a ....etc

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Does anyone have a schematic for the 45 amp Todd Engineering converter?

[email protected] ....etc

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Presented by
Mr. Prateek Singh
(Vocational Trainee-BHEL Bhopal)





INDEX

DEVELOPMENT OF CNC MACHINES

CNC SYSTEM

PROGRAMMABLE LOGIC CONTROLER

SERVO DRIVES

CNC RETROFITTING

MAINTENANCE MANAGEMENT

DEVELOPMENT OF CNC MACHINES
EVOLUTION OF THE CNC MACHINES

CNC MACHINES DEVELOPMENTS

BENEFITS OF CNC MACHINES


EVOLUTION OF THE CNC MACHINES

The first CNC Machine was built in 1949 at MIT ,USA for manufacturing of the Air Craft components having ....etc

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163/2016
Maximum : 100 marks
Time : 1 hour and 15 minutes

1. The Lathe Centres are provided with standard taper known as :
(A) Brown and sharp taper
(B)Morse taper
(C ) Seller’s taper
(D)Brown taper

2.The chuck used for setting up of heavy and irregular shaped work should be ?
(A) Four jaw independent chuck
(B)Three jaw universal chuck
(C ) Magnetic chuck
(D)Collet chuck

3.The Chamfaring is an essential operation after :
(A) Boring
(B)Rough turning
(C ) Knurling
(D)Thread cutting

4.Least count of ....etc

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Diploma in Engineering
Mechanical Engineering
A
Seminar Report
On
CNC Machine
Submitted by
Sudhir S. Shinde
Under the Guidance of
Mr. Abhinav Phadke
To,
Mod “ Tech College of engineering
Tilak Maharashtra University
Gultekdi, Pune “ 37
Year 2009-2010
Tilak Maharashtra University, Pune
Mod “ Tech College of engineering

INTRODUCTION
In Industry it is not efficient or profitable to make everyday products by hand. On a CNC machine it is possible to make hundreds or even thousands of the same items in a day. Fi ....etc

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16.Case hardening is done on
A)Cast Iron C) High Speed Steel
B) High Carbon Steel D) Mild Steel

17.Which gear is used for power transmission in parallel shafts ?
A)Worm gear   B) Rack and pinion
C) Helical gear D) Bevel gear


C)Pour point

18.Main property of cutting fluid
A)Specific gravity C) Ductility
B)Specific heat D) Viscosity

19.What SAE 30 number indicate ?
A)Flash point 
B) Viscosity
C) Pour point
D) Fire point

20.A tool which is used to enlarge a previously drilled hole is 

known as
....etc

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162/2014
Maximum : 100 marks
Time : 1 hour and 15 minutes

1. Steel rules are made up of:
(A)Spring steel
(B)Mild steel
(C )Cast iron
(D)High carbon steel

2.These calipers are also known as Hermaphrodite calipers.
(A)Jenny caliper
(B)Firm joint calipers
(C )Spring calipers
(D)None of the above

3.The angle of prick punch is :
(A)60 degree
(B)45 degree
(C )30 degree
(D)53 degree

4.The saw used for manual sawing is known as :
(A)Band saw
(B)Hack saw
(C )Circular saw
(D)Jig saw

5.The method of se ....etc

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181/2014
Maximum : 100 marks
Time : 1 hour and 15 minutes

1. An oily floor should be cleaned by:
(A) Cotton waste
(B)Putting water
(C ) Putting saw dust or sand
(D)Spraying carbon dioxide '

2.The file used for trimming the rough edges of soft metal casting:
(A) Bastard file
(B)Rough file
(C ) Rasp file
(D)Second cut file

3.The cutting angle for chipping mild steel is:
(A) 65°
(B)45°
(C ) 55°
(D)60°

4.The box nut of bench vice is made of:
(A) Mild steel
(B)Gun metal
(C ) Phospharous bronze
( ....etc

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Artificial intelligence


Artificial intelligence
Artificial Intelligence (AI) is the area of computer science focusing on creating machines that can engage on behaviors that humans consider intelligent.
Its task is using computers to understand human intelligence.
ability to achieve goals in the world.
Varying kinds and degrees of intelligence occur in people, many animals and some machines.

Submitted By:
Mahajan Nikhil P.
Nirma University



When did AI research start
After W ....etc

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168/2014
Maximum : 100 marks
Time : 1 hour and 15 minutes

1.Ceramic cutting tools are made from :
(A)Tungsten powder
(B) Aluminium oxide powder
(C ) Titanium oxide powder
(D) Iron carbide powder

2.In a vernier micrometer 0.001” is divided into 10 divisions in vernier scale. The 10 vernier scale divisions is equal to how many thimble divisions for getting 0.0001” accuracy?
(A)9 divisions
(B)20 divisions
(C )10 divisions
(D)24 divisions

3.The cutting edge becomes stronger where the cuttingtool is provid ....etc

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Please Can U please upload

Embedded Microcontrollers
by Todd D. Morton ....etc

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1.The cutting angle for chipping cast iron is_____.
(A)60°
(B)55°
(C ) 90°
(D) 37.5°

2.Chain hole drilling is performed________.
(A)Before drilling larger dia. holes
(B)Where hack sawing is not possible
(C ) To reduce the weight of the job
(D) Instead drilling pilot hole

3.A drift is used for_______.
(A)Drawing a drill location
(B)Fixing chuck on the machine spindle
(C )Removing a broken drill from work
(D)Removing the drill from the machine spindle

4.'l aps are made of________.
(A)Mild steel
(B)S ....etc

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....etc

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