Monday, July 23, 2012

FUEL INJECTION PUMP




INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
FAILURE SIGNS AND DIAGNOSIS FOR REUSE . . . . . . . . . . . 2
• Inspection Points for Parts Reuse Diagnosis
• Standards for Failure Determination
• Standard for Reuse of Injection Pumps Parts
EXAMPLES OF FAILURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
CONSTRUCTION & FUNCTION OF FUEL
INJECTION PUMPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
• Types of Injection Pumps
• Construction of Injection Pumps
• Types of Governors
• Construction of Governors
FAILURES AND THEIR CAUSES . . . . . . . . . . . . . . . . . . . . . . 31
• Fuel
• Dust and Water
• Adjustments
PREVENTIVE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 32



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The Structure and Function of Hydraulic Gear Pumps


INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
FAILURE SIGNS AND DIAGNOSIS FOR REUSE . . . . . . . . . . . 2
• Inspection Points for Parts Reuse Diagnosis
• Standards for Failure Determination
• Standards for Reuse of Hydraulic Gear Pump Parts
EXAMPLES OF FAILURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
• Gear Cases
• Brackets and Housings
• Gears
• Splines
• Needle Bearings
• Plain Bearings
• Bushings
• Side Plates
• Pump Case Bracket
STRUCTURE AND FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . 28
• Functions
• Types of Komatsu Standard Pumps
• Structure of Komatsu Standard Pumps
FAILURES AND THEIR CAUSES . . . . . . . . . . . . . . . . . . . . . . 35
PREVENTIVE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 36
• Prevention of Recurrence
• Precautions for Assembling a Pump




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Guidance for reuseable parts of Gear (or) Gear inspection



INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
GEAR FAILURE SIGNS, AND DIAGNOSIS
FOR REUSAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
• Standards for reusage according to the failure signs
• Standards for failure determination
ANALYZING GEAR FAILURES . . . . . . . . . . . . . . . . . . . . . . . . 16
• Causes underlying to gear failures
• Gear failure signs and their causes
ESSENTIAL GEAR INFORMATION. . . . . . . . . . . . . . . . . . . . . 26
• Different types of gears
• Gear nomenclature
• Involute gears
• Cutting gear teeth
• Gear blank material
• Gear lubrication
PREVENTIVE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 37


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Power Electronic Handbook

 

Power Electronic Handbook

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Thursday, July 19, 2012

The Structure and Function of PT Pump


ဒီစာအုပ္ထဲမွာ Cumminns Engines ေတြမွာသံုးတဲ့ PT pump ရဲ႕ အေျခခံတည္ေဆာက္ထားပံုနဲ႕ လုပ္ငန္းေဆာင္ရြက္မွု အေျခအေနေတြကို ေဖာ္ျပထားပါတယ္။

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Wednesday, July 18, 2012

Tyre inspection




Introduction ......................................... 3
1. Classification ................................... 4
2. Effective Tyre Use ............................ 9
3. Proper Tyre Selection ........................ 10
4. Proper Tyre use ................................ 11
5. Tyre Maintenance .............................. 25
6. Others ........................................ 34



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Tuesday, July 17, 2012

Guidance for reuseable parts of Turbocharger

            



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engineering measurement error

  Engineering Measurement Method & Intrinsic Error

အင္ဂ်င္နီယာလုပ္ငန္းခြင္နယ္ပယ္ၾကီးမွာ တိုင္းထြာစစ္ေဆးစမ္းသပ္ ရတာေတြ ရွိပါတယ္။ ဘာလုပ္ငန္းပဲ လုပ္လုပ္ အမွား ေတြပါလာႏိုင္သလိုတိုင္းထြာစစ္ေဆးရာမွာ လည္းအမွားေတြပါလာႏိုင္ပါတယ္။ ဒါဆို အင္ဂ်င္နီယာ တစ္ေယာက္ ဟာ တိုင္းထြာစစ္ေဆးနည္းစနစ္မ်ားကို နားလည္ထားသင့္သလို ကိုယ္တိုင္ တိုင္းထြာစစ္ေဆးလိုက္တဲ့ အခ်က္အလက္ ေတြရဲ႕မွားယြင္းႏိုင္ေခ်မ်ားကိုလည္းနားလည္သိရွိထားဖို႕လိုအပ္လာပါတယ္။error ေတြထဲမွာေတာ့အသိမွားအျမင္မွား(systematic  error)ဟာ အဆိုးဆံုးျဖစ္ျပီး ျပင္ရတာလဲခက္တယ္လို႕ၾကားဖူးပါတယ္။ဒါဆို high precision measurement ေတြေဆာင္ရြက္တဲ့အခါ error ေတြေရွာင္ကြင္းႏိုင္ဖို႔ နဲ႕ acceptable data ေတြရရွိႏိုင္ဖို႔ ၊ Measurement method ေတြေလ့လာဖို႔ ဆိုရင္ ေအာက္က link မွာ ေဒါင္းပီး Engineering Measurement Method & Intrinsic Error စာအုပ္ကိုေလ့လာၾကည့္သင့္ပါတယ္ခင္ဗ်ား
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