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Training Presentation

Training Presentation. For sales reps. CONTENTS. Ⅰ Characteristics & classification Ⅱ Structure & function Ⅲ History Ⅳ Line up Ⅴ Machine designation & code Ⅵ Attachments Ⅻ Developing Skills of selling. What is a bulldozer. Anecdote : Derivation of the word of bulldozer.

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Training Presentation

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  1. Training Presentation For sales reps

  2. CONTENTS Ⅰ Characteristics & classification Ⅱ Structure & function Ⅲ History Ⅳ Line up Ⅴ Machine designation & code Ⅵ Attachments Ⅻ Developing Skills of selling

  3. What is a bulldozer Anecdote :Derivation of the word of bulldozer The word of bulldozer derives from the fact that bulls,which had been used for cultivation ,came to have time to doze after this machine appeared. At present,the word ‘bulldoze’ or ‘doze’means to push soil,as well as to sleep for a short time.

  4. Bulldozer (for digging & dozing) Dozer shovel (for loading)

  5. Classification of bulldozer Bulldozers Swamp bulldozers Direct Torque flow Hydro shift HST (Hydrostatic transmission) HMT(Hydro-mechanical transmission)

  6. Classification by track shoes Bulldozers Swamp bulldozers

  7. Swamp bulldozers Super swamp bulldozers (for extremely soft terrain)

  8. Classification by power transmission type Direct Torque flow Hydro shift HST (Hydrostatic transmission) HMT(Hydro-mechanical transmission)

  9. Direct drive Advantage Disadvantages • Gear shifting operation is complicated. • Engine stalls is overloaded. • Power transmission is interrupted when shifting gears. • Engine output fluctuates according to load. • Power transmission efficiency is high. BACK

  10. Torque flew drive Advantage Disadvantages • Gear shifting operation is easy. • Engine does not stall even if overload. • Less interruption of power transmission when shifting gears. • Power transmission efficiency is low. • More expensive than direct drive machine. BACK

  11. Hydro shift drive Advantage Disadvantages • Gear shifting operation is easy. • Power transmission efficiency is high. • Less interruption of power transmission when shifting gears. • engine stalls if overload. BACK

  12. HST (Hydrostatic transmission) Advantage Disadvantages • Gear shifting is not required. • Engine does not stall even if overload. • Power transmission is not interrupted due to the continuous speed control. • Maximum output range of engine can be always used. Power transmission efficiency is very low. BACK

  13. HMT(Hydro-mechanical transmission Advantage Disadvantages • Power transmission efficiency is high. • Gear shifting can be automated. • Engine does not stall even if overload. • Engine output is kept constant under any load. • More complicated structure than torque flew drive.

  14. Type of machine Lower limit of cone index kg/cm2 Swamp bulldozer 2~3 Bulldozer 4~6 Towed scraper 7~10 Motor scraper 10 Dump truck 12 Bulldozer & soil condition Necessary cone index for construction equipment

  15. ski

  16. Swamp bulldozer’s cone index is low cone index is high Because the length of track shoes and track on ground is long than standard.

  17. General view of bulldozer

  18. Power transmission in bulldozer

  19. Reduction ratio (SD16) F1:100 R1:75 F2:50 R2:40 F3:30 R3:25

  20. Comparison of power transmission system

  21. Power train

  22. Engine Diesel engine for bulldozer SD16 STEYR WD615 T1-3A or SHANGCHAI D6121 120kw (160HP)/1900rpm SD22 CUMMINS NT855-C280 162kw(220HP)/1800rpm SD32 CUMMINS NTA855-C360 235kw(320HP)/2000rpm

  23. Main clutch

  24. Torque converter Rated by oil sent from the pump to transmit the torque to the output shaft. Change the oil flow direction to increase the torque. Drive with the engine.

  25. Transmission Planetary gear type transmission Direct transmission (sliding mesh type)

  26. Hydro shift transmission

  27. This form is used in SD08

  28. HMT(Hydro-mechanical transmission) This form is used in SD32C

  29. Bevel gear shaft and steering system How does a bulldozer make a turn? Change rotation speeds of right side and left side tracks from each other.

  30. Final drive This form is used in SD32C This form is used in all kinds of bulldozers except SD32C

  31. Undercarriage

  32. Crawler Lubricated track link

  33. Shoe Single grouser shoe Swamp shoe Applicable type of soil and work • General types of soil, except rock bed. • For swamp. Feature • Provides large drawbar pull required for angle dozers and straight dozers. • Designed for rugged operations. Has extra thick grouser for excellent resistance to wear and bend. • Has large shoes width for ground contact area. • Prevents soil from sticking to shoes for excellent traction.

  34. Work equipment

  35. History History of bulldozer

  36. 1980 1992 1994 1995 1996 1999 2000 2001 2002 2004 2006 SR12 SR16 SR18 ZL50 SD22 SD08 SD16 SD32 PC200 PC220 SD23 SP45 SP70 SR20 SD13 SP25 SD11 PC60 SD42 SP100 SG18 History of SHANTUI’s products SD...:Bulldozer SR…:Road roller PC…:Excavator SG…:Land scraper SP…:Pipelayer ZL…:shovel loader

  37. Lineup SD42 SD32 SD23 SD22 SD16 SD13 SD08

  38. Main bulldozer manufacturers around the world

  39. Machine designation and code Model codes of SHANTUI bulldozer S D 2 2 A A Auxiliary model code A:standard S:Swamp L:Super swamp E:Extra track H:Highland D:Desert R:Rubbish C:Coal F:Forest W:Rock U:Universal Drive system code A:Torque flew Y:Hydrostatic T:Direct Size code 22:220 Horsepower Product code D:indicates bulldozer The first letter of ‘SHANTUI’

  40. Attachments Blades

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