JK Fenner (India) Limited Chennai / Madurai
User Name
Customer Name
Project Name
System Details
Application Details
FEAD - Drive System Static Analysis Summary Report
Unitsmm, kg, N
Revision
Date Started
Date Updated
  

Fenner - FEAD Drive System Static Analysis

Engine Information

Engine Name
Engine Type
Number of Cylinders
Fuel Type
Engine Block
Engine Head
Min. Temp (°C)
Max. Temp (°C)
Print Report

Belt Data

Belt Code
Rubber {3}
Cord {2}
Top Layer {1}
Rib Numbers
Belt Tensile Modulus [N/Rib] @ 23°C
Belt Mass Factor [Kg/m/rib]
Belt Thickness {Tk} [mm]
Ride out {Ro} [mm]
Groove Angle {a°} [°]
Belt Length Tolerance {mm} [±]
No. of RPMs
Select a belt code to begin

Layout Geometry Data

S.No
Pulley
Pulley Type
System Coordinates (mm)
Mean
Tolerance
X
Y
X
Y
Pulley Diameter (mm)
Effective
Tolerance
Pitch
BOD
Flat
COF
Pulley Angle (°)
Delete
1
 
Add Pulley
Calculate
Tensioner Adjust

Nominal System Geometry

Pulley
Center
Distance
Span
Length
Wrap
Angle
Pulley
Ratio
DT
Ratio
HLD
 
 
Belt Length (eff.):

Schematic Diagram FEAD Layout

Belt Layout Belt Layout

System Layout

Box Length = 25.00mm

System Alignment Data

Fleeting Angle
Calculate

Schematic Diagram Alignment

Belt Misalignment

System Accessory Data

Engine Min RPM
Engine Max RPM
Engine Rated RPM
Acceleration [RPM/sec]
Deceleration [RPM/sec]
Slip Threshold Tension Calculation
Inertia Effect
Non-Inertia Effect
Slip Threshold [N]
Safety Add-on Tension [N]
Target Tension [N]
Actual Tension [N]
# Pulley M.O.I
kgm2
Results Review

Graph

Change Units: KW Nm

Mean Hubload & Tension

Tensioner Data

Input

Arm Position
Pivot Point
Arm Length
Pulley Diameter
Pulley Co-ordinates
Target Tension [N]
Belt Stretch & Wear Allowance [%]
Belt Replace Allowance [%]
Belt Length Tolerance {±} [mm]
Clearance Factor
Tensioner Direction
Spring Rate (Nm/deg)
Spring Preload (Nm)
Spring Rate Factor (mm/deg)
Spring Preload Factor (mm)
Torque @ Mean Position (Nm)
Nominal Effective Length (mm)
Effective Length Tolerance (mm)
Flange Height (Grooved) (mm)
Flange Height (Flat) (mm)
Nominal Effective Length (mm)
Datum Width (mm)
Calculate

Output

Belt Takup [mm/deg]
 
Position Description
Arm Position
Tensioner 'X' Coordinate
Tensioner 'Y' Coordinate
Tensioner Wrap Angle
Hubload Direction
Hubload to Arm Angle
Torque
Hubload
Tension
Belt Effective Length
 
[°]
[mm]
[mm]
[°]
[°]
[°]
[Nm]
[N]
[N]
[mm]
Free
 
 
 
 
 
 
 
 
 
 
Replace
 
 
 
 
 
 
 
 
 
 
Max Belt
 
 
 
 
 
 
 
 
 
 
Mean Belt
 
 
 
 
 
 
 
 
 
 
Min Belt
 
 
 
 
 
 
 
 
 
 
Load Belt
 
 
 
 
 
 
 
 
 
 
Target Tension [N]
 
Actual Tension [N]
 
Minimum Installation Length (Grooved)
 
Minimum Installation Length (Flat)
 
Minimum Takeup Length
 
Lower Limiting Value (Installation)
 
Higher Limiting Value (Takeup)
 

Arm Position Change

Update Tensioner Coordinates

System Belt Tension Control

Nylon Belt

Target Tension [N]
Belt Drive Length [mm]
Required No. of Ribs [No.]
Compensate Tension Decay over Belt Life [%]
Bottom Up Calculation [%]
Tensile Modulus of Belt [N/rib]
Engine Under Hood Temperature [°]
Cord Fatique [ ]

Belt Installation Check

Pulley Flange Height [mm]
Tool Wrap. Typ. [°]
Belt Rib Height [mm]
Tool Clearance [mm]
Correction Factor for Cross Bending [ ]
Calculate

Installation Tension Calculation

Belt Length Tolerance [%]
Tension Variation including Length Tolerance [N/belt]
Recommended Minimum Tension [N/belt]
Approx. Belt Nominal Installation Tension [N]

Belt Length Calcualtion

Differential Load per Belt Rib at 21°C [N/rib]
Differential Belt Elongation at 21°C [%]
Belt Length @ 50 N/rib Measuring Tension [mm]
Belt Length @ 12.5 N/rib Measuring Tension [mm]
Belt Length Tolerance [mm]
Belt Stretch [%]
Peak Belt stretch (Free > Installation Peak) [%]

Installation Clearance

Relative Belt Stretch during Installation [mm]
Relative Belt Stretch during Installation [%]
Additional Belt Tension during Installation (high) [N/belt]
Additional Belt Tension during Installation (low) [N/belt]

Design Tension

    Mean Max Min
Differential Belt Elongation [%]
Initial Tension Decay [%]
Long Term Tensile Decay (40% consider for Mean) [N/rib] NA
Installation Tension (at room temp.) [N]
Total Tension Decay [%] NA NA
Design Tension [%]

Static Belt Tensions

    Min Max
During Installation with Installation Tool (few seconds) [N]
After Installation with Installation Tool (few seconds) [N]
After 5 minutes of Belt Installation [N]
After 45 minutes of Belt Installation [N]

Dynamic Belt Tensions (Engine Start / Running)

    Min Max
Initial Engine Start (within first minute) [N]
Engine Stopped & Cooled Down [N]
Engine Hot & Continuous Running [N]

Nylon Belt Graph

Belt Rib Fatigue Life Analysis

Number of Ribs
Belt Length (mm)

Duty Cycle Conditions

Time Utilized
Vehicle Speed
Belt Speed
Pulley Pitch Diameter [mm]
%
km/h
V
Calculate

Belt Rib Fatigue Life Results

Total Fatigue Rate
Belt Rib Performance
Estimated Belt Fatigue Life (hrs)
Estimated Belt Fatigue Life (Kms)
Note:
Belt Rib Performance must be greater than 3000. Change required number of Ribs.

Safety Factor

Belt Slip Safety Factor