Air Brake PROJECT REPORT

FABRICATION OF PNEUMATIC BRAKING SYSTEM

Submitted in the partial fulfillment of the requirement for the award of

“DIPLOMA IN MECHANICAL

ENGINEERING ”

SUBMITTED BY:

1. G.K. MANIGANDAN 2. B. KARTHIKEYAN 3. P.BALASUBRAMANI

4. J. DHANAJEYAN 5. D. DURAIVEL 6. L. PRABHU

Under guidance of

Mr. V.K. RAJENDRAN,M.E. MA!" #$%&' DEPARTMENT OF MECHANICAL ENGINEERING

BONAFIDE CERTIFICATE Thi( i( to certif) that thi( *ro+ect wor, on

-

FABRICATION OF PNEUMATIC BRAKING SYSTEM "

(ubmitted b) ........ .....' eg' /o' ..... in partial fulfillment for the award of DIPLOMA IN MECHANICAL ENGINEERING

Thi( i( the bonafide record of wor, carried out b) him under our (uper0i(ion during the )ear #$%& Submitted for the 1i0a20oce e3am held on .....''

"EAD 45 T"E DE*ATME/T

I/TE/A8E9AMI/E

*46E!T 7UIDE

E9TE/A8E9AMI/E

ACKNOWLEDGEMENT At the out(et we would li,e to empha(i;e our (incere than,( to the *rincipal Mr. R. J. KUMAR, B.E., M.E., MISTE., Ph.D., encouragement and 0aluable ad0ice'

we than, our E(quired "ead of Department Mr R. RAJKUMAR, A.M.I.E, M.E., for pre(enting hi( felicitation( on u('

,eep( the (pool in thi( condition long a( i(

coil thea( de

energi;ed' 5luid pre((ure from port * throu gh port A i( applied to the left (ide of the c)linder pi(ton' Thu( the c)linder pi(ton mo0e( in the right direction' /ow when the (olenoid coil i( energi;ed plunger i( attracted and it pu(he( the (pool again(t (pring pre((ure' The new po(ition of plunger and (pool are (hown in fig #'

In thi( po(ition of (pool port A get( connected to tan, and port * get( connected to port B' Thu( pre((ure i( applied to the c)linder pi(ton from right and mo0e( the pi(ton rod to the left' At the (ame time fluid in the other (ide i( drained out to the tan,' will mo0e the (pool to it( srcinal po(ition a( (hown in figure %' Thu( normall) when the (olenoid coil i( de energi;ed the pi(ton rod remain( e3tended'

PNEUMATIC FITTINGS

There are no nut( to tighten the tube to the fitting( a( in the con0entional t)pe of metallic fitting(' The tube i( connected to the fitting b) a (imple pu(h en(uring lea , proof connection and can be relea(ed b) pre((ing the cap and doe( not require an) (pecial tooling li,e (panner to connect =or> di(connect the tube from the fitting'

SPECIFICATION OF THE FITTING

Bod)Material

2*la(tic

!ollectKThread /ipple

2 Bra((

Seal

/itrate 2 ubber

5luidU(ed

Air 2

Ma3' 4perating *re((ure

2 C Bar

Tolerance on 4D of the tube(

2

Min'