amm course file
TRANSCRIPT
-
7/25/2019 Amm Course File
1/12
COURSE FILE
SUBJECT:
Automotive MechanicalMeasurement
(Sub.Code:170204)
NAME OF FACULTY:
TWINKLE PANCHAL
YEAR : 2014
1
-
7/25/2019 Amm Course File
2/12
Term Pla!"
A#l!a$!" U!%er&!$': ()*ara$ Te+,-l-"!+al U!%er&!$'
S$ar$!" .a$e -/ $,e $erm: 0202014
E.!" .a$e -/ $,e $erm: 2112014
T-$al N-3 -/ .a'& a%a!lale: 115
T-$al -3 -/ ,-l!.a'& .e+lare. ' U!%er&!$': 5
T-$al -3 -/ ,-l!.a'& .e+lare. ' I&$!$)$e: 5
A+$)al .a'& a%a!lale: 50
I&$!$)$e W-r6!" H-)r& Hr&.a': Hr&7a'
I.)&$r!al 8!&!$& - Sa$)r.a'&: Ye&
C- 9+)rr!+)lar E;$ra: Ye&
A+$)al Plae. 7a'&: 100
2
-
7/25/2019 Amm Course File
3/12
S)*e+$: AUTOMOTI8E MECHANICAL
MEASUREMENTS)*e+$ C-.e: 10204
For Fourth ear Automobile !n"ineerin" Students
Lear!" O*e+$!%e&:
1. Stud# o$ various standard o$ measurement2. Stud# o$ di%erent t#&es o$ instrument $or di%erent 'uantit#
Subject Content
1Introduction :
Need of measurement, International standards of length - Line and end measurement, sligauges. Precision & accuracy of measurements. Possible errors and Sources of errors i
measurement.
2Tolerances and Gauging:
Unilateral and bilateral tolerances, Limits, Fits. ypes of Fits. Importance of limits. System
follo!ed in mass production. Limit gauges used for plain and taper !or"s. Specifications olimits as per IS #Indian Standards$.
3Magnification :
Principles and characteristics of measuring instruments, %echanical, ptical, 'lectrical an
Pneumatic. %ethods of magnification. (ifferent types of )ernier calipers, %icrometers, (i
gauges, %echanical and pneumatic types of comparators. Use of comparators in inspection.
4Straightness and Flatness:
Straight edge, use of le*el beam comparator, autocollimator testing of flatness of surface plat
5Surface Finish:
ypes of te+tures obtained during machine operation, range of .L.. *alue in differen
operations in numerical assessment of surface finish #.I.S. Specifications of .L.. *alue$sample length of different machining operations, (irection of lay, te+ture, symbol
instruments used in surface finish assessment.
Introduction
Need of %echanical %easurement. %easurement methods, /enerali0ed measurement system
and its functional elements. Instrument characteristics1 static, dynamic and analytictreatment, calibration, lassification and *arious types of transducers. 2 oordinate measurin
3
-
7/25/2019 Amm Course File
4/12
machine
!
Measure"ent of #ngles$ Ta%er and &adius:
e*el Protractor, Spirit le*el, linometers, angle (ec"er, standard balls and rollers for anglmeasurement, angle slip gauges, and radius measurement of circular portion, measurement o
conca*e and con*e+ surface radius.
Measure"ent of Threads:
(ifferent errors in scre! threads, measurement of forms of thread !ith profile pro3ector, pitcmeasurement, measurement of thread diameter !ith standard !ire, scre! thread micrometer.
Measure"ent of S%ur Gears:
4un out chec"ing, Pitch measurement, profile chec"ing, bac"lash chec"ing, tooth thic"nesmeasurement, alignment chec"ing, errors in gears, chec"ing of composite errors.
'Measure"ent of Te"%erature:
Importance, Principle and types of temperature measurement, hermometer, hermocoupl
calibration, 4(, hermister, measurement of lo! temperature. %easurement of coolatemp, engine oil temp, e+haust gas temp, cabin temp.
Measure"ent of (ressure and )acuu":
Importance of pressure and *acuum measurement, range of high pressure and *acuum. yp
of pressure measuring instruments - ourdon tubes, (ead !eight pressure gauge teste
(iaphragm gauge, L)(, Pie0o electrical pressure gauge, lo! *acuum gauges-%cLeogauge. %easurement of tmospheric pressure, e+haust gas pressure, air pressure in reser*o
tan"s of ir ra"e system and hydraulic bra"ing system, coolant pressure, fuel deli*er
pressure and engine oil pressure.
*Measure"ent of #ngular S%eed:
Importance of angular speed measurement, mechanical tachometers, 'lectrical tachometer
(rag cup, acho generator, Inducti*e, capaciti*e and photo electric pic" up. ontact type &Non ontac type achometer.
Measure"ent of Flo+:
Importance of flo! measurement for oolant, Lubrication il & Fuel, 5ater meter, 4otmeter, /as flo! meter, 6ot !ire anemometer, drag press flo! meter #analytical treatment$.
Measure"ent of Strain:
lassification of strain gauges, principle and types of electrical strain gauges, gauge factoanalysis of !hetstone7s net!or" using strain gauges, mounting, application to measure 8 load
force, tor:ue. Usage of or:ue !rench.
1,Measure"ent of )ibration and Sound:
Importance of *ibration measurement, classification of *ibration measuring instrument
accelerometer, importance of acoustical measurement, sound pressure and po!er le*els, typeof microphones - capaciti*e, crystal, electrodynamics, carbon, sound le*el meter. 6arshne
measurement.
-ther Measure"ents:
hermal conducti*ity gauge, Pitot gauge, Ioni0ation gauge, ran" position, am position.
4
-
7/25/2019 Amm Course File
5/12
11Calibration:
Process, %andatory re:uirements of alibration, ertification, *alidity of certificate.
Te;$ B--6:1. !n"". Metrolo"# b# ..*ain+ hanna ,ublishers+ -elhi.2. Mechanical Measurements and Control b# -.S.umar+ Metro&olitan
boos.
Re/ere+e B--6&:1. /et oo o$ !n"". Metrolo"# b# .C. 3u&ta+ -han&at ai Sons+
5e6 -elhi.2. Mechanical Measurement nstrumentation b# ..a&ut+S..ataria Sons.
Le&&- Pla
M!!m)m Cla&& r--m +-$a+$ $!me : 1? @ee6&
Le+$)re @ee6 < ,r& ABL T)$-r!al < 0 ,r@ee6 La-ra$-r' 9 2
,r@ee6 =
-
7/25/2019 Amm Course File
6/12
-
7/25/2019 Amm Course File
7/12
Wee6l' Plaer:
Wee6
N-
Cla&&
a+$!%!$'
S)*e+$ +-$e$ $- e +-%ere.
;Lecture
-
7/25/2019 Amm Course File
8/12
;?Lecture
-
7/25/2019 Amm Course File
9/12
gauge, lo! *acuum gauges-%cLeod gauge. %easurement of
tmospheric pressure, e+haust gas pressure, air pressure in
reser*oir tan"s of ir ra"e system and hydraulic bra"ing system,'+ C Pressure measurement
-
7/25/2019 Amm Course File
10/12
hermal conducti*ity gauge, Pitot gauge,
Lecture >= Ioni0ation gauge, ran" position, am position.
'+ utorial 2
-
7/25/2019 Amm Course File
11/12
Fl)!. Me+,a!+& 9 La-ra$-r' Pra+$!+al& l!&$:
11
Sr.
No
itle
1. P4'ISIN %'SU4IN/ INS4U%'NS
2. LIN'4 %'SU4'%'N
3 N/UL4 %'SU4'%'N
4 %I4%''4 LI4IN
5. SU4F' 4U/6N'SS %'SU4'%'N
6. /'4 6 6IDN'SS %'SU4'%'N
7. P4'SSU4' %'SU4'%'N
8. '%P'4U4' %'SU4'%'N
9. FL5 %'SU4'%'N
10. S4IN /U/' 4NS(U'4
-
7/25/2019 Amm Course File
12/12
12