08-01-2013, 12:04 PM
TRACTION MOTOR MANUFACTURING (TXM)
TRACTION MOTOR.pptx (Size: 4.81 MB / Downloads: 223)
ABOUT BHEL BHOPAL
Bharat heavy electrical ltd. is a navratan comp. will be maharatan soon.
BHEL Bhopal is mother plant & its product range include Hydro, Steam, Marine & Nuclear Turbines, Heat Exchanger, Hydro & Turbo Generator, Transformer, Switchgears, Control gears, Transportation Equipments, Capacitors, Bushing, Electrical Motors, Rectifiers, Oil Digging Rig equipments & Diesel Generating Sets.
It Mgf. Over 180 product under 30 major group.
BHEL like 14 Mgf. Unit in india & 15 including BHEL. The product is being exported to 70 country all over the world.
Around 60% of BHEL product is made for railways (RDSO & RITES).
BHEL Bhopal has total 14 blocks spreaded around 20 sqkm. It includes..
Block (1A) PFM- pre fabrication manufacturing.
SFM- start fabrication manufacturing.
COMM & CORE section
In this section COMM. is made by using COMM. bar. COMM. bar is mainly copper bar having two part align at 90 deg. One part of bar is used for making slot means to form gap between copper bar .slit is basically made so that mica sheet is placed between it for proper insulation. Slitting saw milling machine is used for making slot in bar. The slot is made of 1.6 thickness and 47mm diameter. The cutter used is made up of high speed steel and are in circular shape.
Various process
STENNING process
In this process turning of COMM. is done so that
good and smooth finishing may obtain. It is done
on lathe.
CNC machining
In the cnc machining mainly COMM.hub and bearing sleeve, v-rings are finished. Bearing sleeve is used at pinion side of magnetic frame. Basically bearing sleeve has groove made by grooving tool on cnc having hydraulic chuck and turret lathe. different sectional views of bearing sleeve are shown in figure:
WINDING SECTION
In this section of winding basically winding is done
on core with COMM, basically two wire is for winding.
The first one is main wire which is placed on core gap
section. This wire is of larger in thickness than second
wire. Its purpose is to generate continuous magnetic
field. The main wire is made up of copper material.