Junior JJL Physica Mechanica Lumbu
Hi there,
my name is John Junior Lumbu (JJL)...currently living in South Africa.
With my engineering background, in this channel I will assist people to stay fit with their mind by first targeting people who love math, physics, CAD drawing, and related subjects; then I will invite each curious and open minded person to discover about basics of Mechanical engineering, technology, physical-metallurgy, science, mathematics and technology related topics. As I long to share with you above stated I will urge you to subscribe to my channel and also to click the bell button so that you might be notified every time I post something on this channel. Will also share some sport events for entertainment' sake.
Salut mon nom est J.Junior Lumbu (JJL).
Cette chaine vous amene les fondamentaux sur l'ingénierie mécanique, technologie, métallurgie physique, science, mathematique et sujets reliés à la technologie.
Un peu de loisir pour bien digerer...
Junior JJL
КАК ПРОВЕСТИ ИСПЫТАНИЕ СТЕРЖНЯ НА ВЯЗКОСТЬ ПРИ ИЗГИБЕ, ПОДГОТОВКА ОБРАЗЦОВ ПРИ НИЗКОЙ ТЕМПЕРАТУРЕ...
HOW TO REPAIR TRUCK'S PULLEY AFTER MIG WELDING BROKEN PIN IN WORKSHOP, UNIVERSAL LATH
COMMENT INTERPRÉTER LA COURBE D'ESSAI DE TRACTION APRÈS ÉPREUVE SUR UNE ÉPROUVETTE EN ACIER
HOW TO ETCH FOR MICROSTRUCTURE EVALUATION USING NITRIC ACID & ALCOHOL (PQR & WQR Procedure in LABS)
HOW TO ETCH AND EVALUATE FOR MACROSTRUCTURE IN METALLURGICAL TESTING LABORATORY
HOW TO SWING & DROP HAMMER FOR CHARPY IMPACT TEST ON MOUTON PENDULE AT LOW TEMPERATURE, TOUGHNESS
KNOCKING OFF BRASS SLEEVE FROM EXCAVATOR END BOSS, DROPPING HEAVY HAMMER TO AVOID CRACK IN CAST IRON
CHARPY IMPACT TEST: V-NOTCH SAMPLES PREPARATION, USING UNIVERSAL MILLING MACHINE (MOUTON PENDULE)
HOW TO FIX EXCAVATOR'S DIPPER END BOSS (ARM'S HOLDER) BY DROPPING HAMMER IN REMOVING WORN BUSHES
FIXING EXCAVATOR: TRACK PAD, GROUSER & REPLACING CHAIN BLADES ON EXCAVATOR'S DRIVE & ROLLER
COMMENT DETERMINER LA RÉSISTANCE À LA TRACTION, LA FORCE MAXIMUM, LA LIMITE ÉLASTIQUE / ÉLONGATION
QUICK LOOK ON REPAIRING BACKHOE BUCKET, TRACTOR AXLES (THROUGH GRINDING, WELDING & PAINTING...)
REPAIRING TO REUSE PISTON'S BARREL AFTER ROD BENT FROM OVERLOAD (CATERPILLAR & BACKHOE'S BUCKET)
ESSAI DE RÉSISTANCE AU CHOC SUR LE MOUTON PENDULE CHARPY (PREPARATION & RESILIENCE DES ÉPROUVETTES)
LIVE VIDEO: LINE BORING MACHINING TO SMOOTHEN WELD BUILD UP IN EXCAVATOR'S DIPPER STICK ARM
HOW TO PERFORM PROOF LOAD TEST / HOW TO SET FOR PROOF LOAD TEST ON A METRIC NUTS AS PER ISO STANDARD
HOW TO DROP HEAVY HAMMER FOR IMPACT CHARPY TEST PURPOSES IN MECHANICAL TESTING LABORATORY
REFURBISHING TRUCK PULLEY'S PIN WITH GAS METAL ARC WELDING AND MACHINING ON UNIVERSAL LATH
HOW TO REPAIR BENT ROD AFTER OVERLOADING DOZER'S BUCKET (CUTTING DISC, HYDRAULIC PRESSING, OIL, FIX)
AUTODESK INVENTOR: POSITIONING STOP DRAWING WITH COMPUTER AIDED DRAWING SOFTWARE (AUTOCAD)
BREAKING WELDED STEEL PLATES || PULLING TENSILE SAMPLE WITH HYDRAULIC PRESSING MACHINE
EXCAVATOR REPAIR: FROM RUSTY TO BRAND NEW LOOK, BUCKET, DIPPER STICK FOR LINE BORING WITH TIG & MIG
CAD161S DRAWING PRACTICE USING AUTODESK INVENTOR (MECHANICAL ENGINEERING STUDENTS)
FLAT TENSILE SAMPLE USING A 600 KN HYDRAULIC TENSILE TESTING MACHINE (MECHANICAL TESTING LABORATORY)
GOLDEN NINJA PANDA FRAME: 3D CAD MODELING WITH AUTODESK INVENTOR FOR FUN (CAD PRACTICE FOR BEGINNER)
DESIGNING A SPUR GEAR WITH AUTODESK INVENTOR || CAD DRAWING TUTORIAL FOR BEGINNERS (CAD161S/ EMO161)
EXCAVATOR REFURBISHING: FROM RUSTY TO NEW LOOK, BUCKET, DIPPER STICK FOR LINE BORING WITH TIG & GTAW
STRENGTH OF MATERIAL (SOM): IMPACT CHARPY TEST, DETERMINING SHEAR PERCENTAGE, LATERAL EXPENSION
TENSILE TEST: COPPER TUBE PULLING, WITH SOCKET & BRAZING (RESISTANCE DE MATERIAUX, STRENGTH OF MAT.
ASTUCE SUR RÉSISTANCE ÉLECTRIQUE: COMMENT MÉMORISER FACILEMENT LE CODE DE COULEUR DE RÉSISTANCES