PHASE 4 - (PART 2)

OVERALL FORCE ANALYSIS

1. CALCULATION OF FORCE ON EACH SIDE

Fc = Force from weight of car

P = Pressure

FL = Force to lift

d = diameter

Wc = Weight due to car

2. CALCULATION OF FORCE TO LIFT

    

Fc = Force from weight of car

P = Pressure

FL = Force to lift

d = diameter

Wc = Weight due to car

A1= Area at P1

A2= Area at P2

3. CALCULATION OF TORQUE TO LIFT

FL = Force to lift

TL = Torque to lift of(power screw)

dm = mean diameter of(power screw)

l = thickness of power screw thread

f =coefficient of friction

wL = angular speed to lift

4. CALCULATION TORQUE OF MOTOR

FT = Force at chain

rm = Radius sprocket at motor

rR = Radius sprocket at driven

D = diameter sprocket

Tm = Torque at motor

TR = Torque at driven sprocket

Vm= Velocity at motor

5. CALCULATION JACK VELOCITY

Apump = area pump

Ajack = area jack

Qpump = flowrate pump

Qjack = flowrate of jack

Vpump = pump velocity

Vjack = jack velocity

WILL BE UPDATED !!

PHASE 4 - FORCE ANALYSIS (PART 1)

DESIGN ANALYSIS

1. To calculate F1,F2 & H2

Estimated weight of car = 5 ton (P allowable)

Safety factor = 2

Maximum weight = 10 ton (2 x 5 ton)

P allowable = 5 ton

d1 = 25mm = 0.025m

h1 = 10cm = 0.1m

2. To calculate Torque,Nm

F2 = 78.4 KN

Power screw:

         Mean diameter, dm  = 10mm and below

         P, Thickness of thread = 1.5mm

         F, coefficient of friction = 0.15

         (Hard steel on cast iron)

Assumptions:

No of teeths, T driven = 28

Diameter driven = 4.74 inch = 0.12m ; r2 = 0.06m

No of teeths, T driver = 14

Diameter driver = 2.49 inch = 0.063m ; r3 = 0.0315m

•             Motor chosen, T = 200 Nm
•             The motor chosen is right

3. To calculate thickness of tank and jack

Chosen material:

Stainless steel type 304

Yield strength, σ = 215 Mpa

Jack outer diameter = 25mm + (11mm x 2)

                                  = 47mm             

Tank outer diameter = 20mm + (9.3mm x 2)

                                 =38.6mm

                    

P = Pressure

σ = Yield Strength

r = radius

t = thickness

MORE CALCULATION SOONER !!

PHASE 3 - SYNTHESIS (PART 1)

COMPONENTS/ PARTS & THEIR TECHNICAL DATA



1. Cylinder (Jack)

    Material = Stainless steel Type 304
    Cylinder size = d, 25mm (DIAMETER)
  

2. Tank (Jack)

     Material = Stainless steel Type 304
     Thickness,t = 11mm
     Outer diameter, d = 47mm
     Inner diameter,d = 25mm


3. Tank (Pump)

    Material = Stainless steel Type 304
    Thickness,t = 9.3mm
    Inner diameter,d = 20mm
    Outer diameter = 38.6mm

4. Threaded Cylinder

    Inner diameter,d = 10mm (Threaded)
    Outer diameter ,d =20mm

5. Power Screw (Pump_Tank)

    Mean Diameter ,dm =0.01m
    Material = Hard steel on cast iron
    Thrust collar friction (Coefficient of friction,fc) =0.15
    Thickness of power screw, l =0.0015m

6. Hydraulic fluid

    Type:
    Lifespan:

7. Sprocket
   
    Driven Teeth ,N1 =28
    Diameter driven sprocket,d = 0.06m
    Driver Teeth ,N1 =14
    Diameter driver sprocket,d = 0.0315m

8. Chain

                                  

side view of chain

top view of chain

    

    Type: 428
    Roller diameter,R = 8.5mm
    Pin diameter = 4.44mm
    Average strength = 1850 Pa    
    Cylinder cc (Max) = 125 cc
    H1 = 10.2mm
    H2 = 11.9mm
    T1 = 1.5mm
    T2 = 1.5mm
    F = 8.55mm
    G = 9.7mm
    W = 7.94 mm
    P,Pitch diameter = 12.7mm



Hydraulic hose
Extension Rod
Tank holder
Spocket shaft
Bolts and nuts
Sprocket driver
Power screw (pump)
Motor
Thrust roller bearing
Thread cylinder (pump)
Remote control switch


WILL BE UPDATED !!