Design Request Form for Driveline Brakes

Customer/Company Name*
Address*
Street Address Address Line 2 City State / Province / Region ZIP / Postal Code Country
Email*
Enter Email Confirm Email
Phone
Fax
Name of person requesting analysis*
First Last Your Title
Application (Model # and description or function)
Model # of existing brake being used
Manufacturer of existing brake being used
Expected sales volume - 1st year
Expected sales volume - 2nd year
Expected sales volume - 3rd year
Please select which method of measurement you are using.*
- Imperial/US
- Metric
Vehicle
Total weight unloaded (lbs)
Total weight unloaded (kg)
Total weight loaded (lbs)
Total weight loaded (kg)
Front wheel weight unloaded (lbs)
Front wheel weight unloaded (kg)
Front wheel weight loaded (lbs)
Front wheel weight loaded (kg)
Rear wheel weight unloaded (lbs)
Rear wheel weight unloaded (kg)
Rear wheel weight loaded (lbs)
Rear wheel weight loaded (kg)
Center of gravity height unloaded (in)
Center of gravity height unloaded (m)
Center of gravity height loaded (in)
Center of gravity height loaded (m)
Wheel base (in)
Wheel base (m)
Total number of wheels
Total number of braked wheels
Number of braked wheels in front
Number of braked wheels in rear
Tire Rolling Radius (R¹) - Front (in)
Tire Rolling Radius (R¹) - Front (m)
Tire Rolling Radius (R¹) - Rear (in)
Tire Rolling Radius (R¹) - Rear (m)
Gear Ratio Wheel-to Brake
Brake location
If other, please explain
Brake expected stop surface
Description of worst case enviornment
Driveline: Data Required for All Driveline Mounted Multi-Disc Brakes
Will slip shaft be connected to one or both ends of the brake shaft?
- One
- Both
Spline type inside the slip shaft
Desired L10 bearing life (at parameters listed below) (Hours)

(Hours)
Distance from the u-joint center to the back of the yoke (in)
Distance from the u-joint center to the back of the yoke (mm)
Max driveline RPM
Average driveline RPM
Max driveline RPM (deg)
Average driveline RPM (deg)
Max driveline torque (in.-lb)
Max driveline torque (Nm)
Average driveline torque (in.-lb)
Average driveline torque (Nm)
L10 bearing life

The L10 bearing life will be determined at 20% Max and 80% Avg operating conditions unless specified above.
Driveline brake input shaft spline size and configuration (in)
Driveline brake input shaft spline size and configuration (cm)
Driveline brake output shaft spline size and configuration (in)
Driveline brake output shaft spline size and configuration (cm)
Desired Braking Performance of Vehicle
Brake application
- Service brake
- Park brake
- Emergency stop
- Emergency stop on grade
- Holding brake
- Other
If other, please explain
Number of brakes needed per vehicle
Park Brake Requirements
Forward grade (%)
Forward grade (degree)
Reverse grade (%)
Reverse grade (degree)
Duty Cycle
Maximum stops per hour
@ (mph)
@ (km/h)
Stop distance (ft)
Stop distance (m)
Deceleration (ft/sec²)
Deceleration (m/sec²)
Maximum Vehicle Speed (Unloaded)
Maximum vehicle speed (unloaded)
Maximum vehicle speed (unloaded)
Stop distance (ft)
Stop distance (m)
Deceleration (ft/sec²)
Deceleration (m/sec²)
Maximum Vehicle Speed (Loaded)
Maximum vehicle speed (unloaded)
Maximum vehicle speed (unloaded)
Stop distance (ft)
Stop distance (m)
Deceleration (ft/sec²)
Deceleration (m/sec²)
Drive-through requirement (Hold max driveline torque)
- Yes
- No
Comments
System actuating time delay

(0.3 sec will be used unless otherwise specified)
Any standards that apply to this application
Customer's calculated torque requirement
Brake Operation
Type: Charge pressure
System pressure
Other
Maximum pressure seen at brake (PSI)
Maximum pressure seen at brake (BAR)
Minimum release pressure available at brake (PSI)
Minimum release pressure available at brake (BAR)
System back pressure (PSI)
System back pressure (BAR)
Dry
Oil immersed
Flow-through
Type of oil used to release brake
Type of oil immersed or flow-through
Additional comments
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Design Request Form for Driveline Brakes

Vehicle

Driveline: Data Required for All Driveline Mounted Multi-Disc Brakes

Desired Braking Performance of Vehicle

Park Brake Requirements

Duty Cycle

Maximum Vehicle Speed (Unloaded)

Maximum Vehicle Speed (Loaded)

Brake Operation