Post on 01-Nov-2015
description
5/17/2018 EMM Unit 2 Angular Measurement Ppt
1/74
L INEAR ANDANGULARMEASUREMENT
5/17/2018 EMM Unit 2 Angular Measurement Ppt
2/74
SLIP GAUGE Slip gauges are rectangular
blocks of steel having a cross-section of about 30 by 0 !!
"or!al setRange Step Pieces
#00 to #00$ 0#00 $
#0 to #0$ 0#0 $
# to #$ 0# $
to $ $0 to $0 0 $
%otal &'
5/17/2018 EMM Unit 2 Angular Measurement Ppt
3/74
Special Set
Range Step Pieces
#00 to #00$ 0#00 $#0 to #&$ 0#0 &$
#' to $#' 0#' $
0 to $0 0 $
%otal ()
5/17/2018 EMM Unit 2 Angular Measurement Ppt
4/74
*lassi+cation
AA slip gauges
A slip gauges an,
slip gauges
5/17/2018 EMM Unit 2 Angular Measurement Ppt
5/74
AA slip gauges .aster slip gauges
Accurate to plus or !inus t/o!icrons per !eter
A slip gauges
eference purpose%ype A is guarantee, accurate up to
plus or !inus four !icrons per !eter
slip gauges 1orking slip gauges
%ype 22 for plus or !inus eight!icrons per !eter
5/17/2018 EMM Unit 2 Angular Measurement Ppt
6/74
*lasses
Grade 2
Grade 1
Grade 0
Grade 00
Calibration grade
5/17/2018 EMM Unit 2 Angular Measurement Ppt
7/74
Grade 2
%his is the /orkshop gra,e
%ypical uses inclu,e setting up
!achine tools positioning !illing
cutters an, checking !echanical
/i,th#
5/17/2018 EMM Unit 2 Angular Measurement Ppt
8/74
Gra,e
Use, for !ore precise /ork -tool
roo!#
%ypical uses inclu,e setting up
Sine bars an, sine tables
*hecking gap gauges an,
Setting ,ial test in,icators to 5ero
5/17/2018 EMM Unit 2 Angular Measurement Ppt
9/74
Gra,e 0
%his is !ore co!!only kno/n as the
Inspection gra,e
Inspection 6epart!ent only /ho
have access to this gra,e of slips
5/17/2018 EMM Unit 2 Angular Measurement Ppt
10/74
Gra,e 00
%his gra,e /oul, be kept in the
Stan,ar, oo! an, /oul, be kept
for /ork of the highest precision only#
6eter!ination of any errors present
in the /orkshop or Gra,e 7 slips#
5/17/2018 EMM Unit 2 Angular Measurement Ppt
11/74
*alibration gra,e
*alibration gra,e are use, forcalibration of slip gauges other!easuring instru!ents
5/17/2018 EMM Unit 2 Angular Measurement Ppt
12/74
Wringing: It takes place /hen t/o 8at lappe, surfaces arc
place, in contact /ith a sli,ing !ove!ent#
It is the property of !easuring faces of a gaugeblock of a,hering by sli,ing or pressing thegauge against the !easuring faces of othergauge blocks of ,atu! surface /ithout the use of
any e9ternal !eans# It is ,ue to !olecular a,hesion bet/een a li:ui,
+l! an, the !ating surface of the 8at surfaces#
%he success of precision !easure!ent by slip
gauges ,epen,s on the pheno!enon of /ringing#
5/17/2018 EMM Unit 2 Angular Measurement Ppt
13/74
SLIP GAUGE
5/17/2018 EMM Unit 2 Angular Measurement Ppt
14/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
15/74
1I"GI"G ;< SLIP GAUGE
5/17/2018 EMM Unit 2 Angular Measurement Ppt
16/74
Interfero!eter
5/17/2018 EMM Unit 2 Angular Measurement Ppt
17/74
Principle
Interfero!eters are opticalinstru!ents use, for !easuring8atness
6eter!ining !inute ,i=erences inlength by ,irect reference to the/avelength of light#
5/17/2018 EMM Unit 2 Angular Measurement Ppt
18/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
19/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
20/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
21/74
ere the error is in,icate, by the a!ount by
/hich the fringes are out of parallelis! /ith
those on the base plate
If the /ork piece is concave or conve9fringe pattern /ill be as sho/n in
5/17/2018 EMM Unit 2 Angular Measurement Ppt
22/74
Angularmeasurement
A l M t
5/17/2018 EMM Unit 2 Angular Measurement Ppt
23/74
Angular Measurement :-A)Prtractrs
@ernier evel Protactors
7@Universal bevel protactor3@;ptical bevel protactors
!) Sine "ars @ Sine *enters
7@ Sine %able#)Angle GaugesD)Spirit Le$elE)#linmeter
@ernier clino!eter7@.icro!eter clino!eter
G) Aut #linmeter%) Angle De&&r
5/17/2018 EMM Unit 2 Angular Measurement Ppt
24/74
'ernier "e$el
Prtactr
5/17/2018 EMM Unit 2 Angular Measurement Ppt
25/74
Universal evel protractor
Mec(anical tpe
5/17/2018 EMM Unit 2 Angular Measurement Ppt
26/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
27/74
;ptical bevel protractor
5/17/2018 EMM Unit 2 Angular Measurement Ppt
28/74
Measurement using !e$el prtractr
5/17/2018 EMM Unit 2 Angular Measurement Ppt
29/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
30/74
Sine "ars
5/17/2018 EMM Unit 2 Angular Measurement Ppt
31/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
32/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
33/74
.easure!ent using sine bar
5/17/2018 EMM Unit 2 Angular Measurement Ppt
34/74
APPLI*A%I;"
;< SLIPGAUGES
5/17/2018 EMM Unit 2 Angular Measurement Ppt
35/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
36/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
37/74
Measurement * large an+ (eig(t
,r&piece
5/17/2018 EMM Unit 2 Angular Measurement Ppt
38/74
Measurement * large
,r&piece
A+$antages * sine "ar:-
5/17/2018 EMM Unit 2 Angular Measurement Ppt
39/74
A+$antages * sine "ar:-
@It is use, for accurate an, precise angular
!easure!ent7@It is available easily3@Its is cheap
Disa+$antage:-
@%he application is li!ite, for a +9e, centre
,istance bet/een t/o plugs or rollers#7@ It is ,iBcult to han,le an, position the slip
gaugesIf the angle e9cee,s &' ,egree sine bar are
i!practicable an, inaccurate#
5/17/2018 EMM Unit 2 Angular Measurement Ppt
40/74
SUR#ES . ERRR IN SINE "AR :-
@ Error in ,istance bet/een rollers7@ Error in slip gauges co!bination use, for angle setting
3@ Error in e:uality of si5e of rollers an, cylin,ers
accuracy in the for! of rollers#&@ Error in parallelis! of roller a9es /ith each other#
'@ Error in 8atness of the upper surface of the bar
5/17/2018 EMM Unit 2 Angular Measurement Ppt
41/74
SINE#ENTRE
5/17/2018 EMM Unit 2 Angular Measurement Ppt
42/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
43/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
44/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
45/74
SINE TA"LE
5/17/2018 EMM Unit 2 Angular Measurement Ppt
46/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
47/74
ANGLE
5/17/2018 EMM Unit 2 Angular Measurement Ppt
48/74
ANGLEGUAGES
5/17/2018 EMM Unit 2 Angular Measurement Ppt
49/74
A"GLE GAUGES
5/17/2018 EMM Unit 2 Angular Measurement Ppt
50/74
SPIRIT
5/17/2018 EMM Unit 2 Angular Measurement Ppt
51/74
SPII% LEEL
SPIRITLE'EL
5/17/2018 EMM Unit 2 Angular Measurement Ppt
52/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
53/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
54/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
55/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
56/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
57/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
58/74
#LINMETER
5/17/2018 EMM Unit 2 Angular Measurement Ppt
59/74
#LINMETER
5/17/2018 EMM Unit 2 Angular Measurement Ppt
60/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
61/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
62/74
MI#RMETER#LINMETER
5/17/2018 EMM Unit 2 Angular Measurement Ppt
63/74
ALIGNMENT
5/17/2018 EMM Unit 2 Angular Measurement Ppt
64/74
ALIGNMENTTELES#PE
5/17/2018 EMM Unit 2 Angular Measurement Ppt
65/74
AUT
5/17/2018 EMM Unit 2 Angular Measurement Ppt
66/74
AUT#LLIMATR
5/17/2018 EMM Unit 2 Angular Measurement Ppt
67/74
In/ecte+
5/17/2018 EMM Unit 2 Angular Measurement Ppt
68/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
69/74
Angle +e&r
5/17/2018 EMM Unit 2 Angular Measurement Ppt
70/74
Angle +e&r
5/17/2018 EMM Unit 2 Angular Measurement Ppt
71/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
72/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
73/74
5/17/2018 EMM Unit 2 Angular Measurement Ppt
74/74