Bogie under frame

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Presentation on fabrication of Bogie under frame used in worldwide Locomotive...:)

Text of Bogie under frame

  • DESIGN FEATURES:
  • FIAT BOGIE SUB-SYSTEMS
  • BOGIE FRAME Y-FRAME -STEEL SHEETS(St-52) TWO SIDE FRAMES CONNECTED BY TWO CROSS BEAMS -SUPPORT BRAKE UNITS. BOGIE FRAME ON THE PRIMARY SPRINGS AND SUPPORTS VEHICLE BODY THROUGH BOLSTER. BOLSTER-BOGIE FRAME THROUGH SECONDARY SUSPENSION.
  • BOGIE FRAME
  • BOGIE FRAME
  • (Bogie frame lifted) Primary Spring assly Primary Damper
  • MATERIAL PROPERTIES: UTS IN Mpa YIELD STRENGTH Mpa ELONGATI ON %AGE IMPACT CHEMICAL %AGE: S355J2G3; EN10025 490-630 355 GS20Mn5V; DINl:17182 500 650 360 SG400/18; IS:1865 400 250 SG400/15; IS:1865 400 250 22 24 18 15 27J AT -20 0 C C 0.23, Mn 1.7, Si 0.6, S &P 0.045 70 J -- -- C 0.17 to ---0.23, Si 0.60, Mn 1.00 to 1.50, S 0.020, P 0.015, Cr 0.30, Mo 0.15, Ni 0.40 ---
  • Primary suspension Four nos each per bogie -nested coil springs, primary vertical dampers, control arm, elastic joints-connecting the bearing on wheelset to bogie frame. Flexible guidance.
  • (Primary exploded) Rubber Pad Outer Spring Spring Guide Inner Spring Lower Spring Guide Bump Stop
  • (Wheel set with Primary suspension) Control Arm Bearing Assly with earthing eq./speed sensor
  • (Wheel set with Primary springs removed) Primary Damper C Control Arm
  • WHEELSET Two brake disks (4), diameter 640 mm and width 110 mm. Two wheel discs of dia 915 (New), 845 (worn).
  • Wheel & Axle Assly Brake Disc
  • DIMENSIONS OF WHEEL SET:
  • Wheel Disc:
  • WHEEL RE-PROFILING AND BALANCING: DYNAMIC BALANCING 320RPM LESS THAT/EQUAL TO 50GM.M GLUE THE NEEDED WEIGHTS.
  • DETAIL OF ADDED WEIGHTS:
  • AXLE BEARINGS CARTRIDGE TAPER ROLLER BEARING PRE-ASSEMBLED UNIT. MAINTENANCE FREEOVERHAUL 1.2 MILLION KM.
  • CTRB
  • BRAKE CALLIPER UNITS AXLE MOUNTED DISC BRAKE INBUILT SLACK ADJUSTER IN BRAKE CYLINDERS CALLIPER RATIO 1:2.17 FOR ALL COACHES EXCEPT ACCN/SG & POWER CAR WHICH IS 1:2.48 35mm BRAKE PADS JURID 877/BECORIT984 KB & SABWABCO.
  • BRAKE CALLIPER UNIT
  • SECONDARY SUSPENSION NEST OF FLEXI-COIL SPRINGS INNER AND OUTER, RUBBER SPRING AND SECONDARY PAD VERTICAL DAMPERS LATERAL DAMPERS YAW DAMPERS ANTI-ROLL BAR ANCHOR LINKS
  • SECONDARY SUSPENSION
  • (With Bolster Lifted) Sec. Vertical Damper Bogie Bolster Cross Section Nested Secondary Spring Assembly Yaw Damper
  • (With Secondary Spring System Exploded) Bogie Bolster Miner Pad Spring Guide Outer Spring Inner Spring Rubber Spring
  • SECONDARY SUSPENSION
  • (Bolster removed) Lateral Damper Lateral Bumpstop Longitudinal Bumpstop
  • (X-section lifted) Traction Lever Traction Center Anti Roll Assly Curve Roll
  • ANTI-ROLL BAR: A TORSION BAR WITH TWO FORKS- BETWEEN BOGIE FRAME & BOLSTER,CONNECTED BY ROLL LINKS. RESISTS ROLLING MOTION OF COACH. AS PER UIC515-1 TILTING CO-EFFICIENT