Homework #1
Name_
Calculate the load capacity and drag torque for a 50 mm diameter, 55 mm long bearing that has a radial clearance of 0.1 mm, a minimum clearance of 0.025 mm that is rotating at 3000
Homework #4
Name_
A 50 mm diameter bearing is 55 mm long and has a central annular oil groove 5 mm wide which is fed by SAE 30 oil at 65 C and 200 KPa supply pressure. The radial clearance is 50 m.
HW 2
Sunday, August 29, 2010 8:55 PM
HW#2
Bearing Design
Name_
1. Calculate the Summerfeld No. and use the charts in the book to calculate the following parameters for the bearing described below. Com
MAE 415
HW#4
Contact Stress
Calculate the contact stress due to gravity loading between a: 1. 25.4 mm diameter steel ball and a glass flat 2. 25.4 mm alumina (Al2O3) ball and a flat glass sample. The
Homework#3
Name_
A 50 mm diameter bearing is 55 mm long and has a central annular oil groove 5 mm wide which is fed by SAE 30 oil at 65 C and 200 KPa supply pressure. The radial clearance is 50 m. The
HW#2 Bearing Design
Name_
1. Calculate the Summerfeld No. and use the charts in the book to calculate the following parameters for the bearing described below. Compare the result to Trumpler's criteri
Viscosity
A plate of area "A" moving under the action of a force "F" with a resulting velocity "V" over a fixed plate separated by a film of fluid "h" thick. The shear stress on the fluid is "F / A".
Homework
Rolling element bearing design
An 02-Series ball bearing is to be selected to carry a radial load of 8 KN and a thrust load of 4 KN. The L10 life is to be 5000 hours with the inner race rot
HW#2 Bearing Design
Name_
(a) Calculate and plot the minimum film thickness (mm) and the frictional power consumed (Hp) for a single hydrodynamic bearing with the following geometry: 50 mm diameter,
Homework #3
Name_
Design the connecting rod bearing for the Grand Prix engine discussed in class. The specs are: Engine capacity = 3500 cc Max engine speed = 15,000 rpm Piston diameter = 86mm En
Homework #1
Name_
Calculate the load capacity and drag torque for a 50 mm diameter, 55 mm long bearing that has a radial clearance of 0.1 mm, a minimum clearance of 0.025 mm that is rotating at 3000
TECHNICAL REPORT
entitled
ANALYSIS OF HYDRODYNAMIC BEARINGS
submitted to
MAE 415 - 001
by
T. Dow Box 7918 North Carolina State University Raleigh, NC 27695 919-515-3096 [email protected]
Date
I
Dimensional Analysis in Engineering Mechanics
J. W. Eischen
Precision Engineering Center Lunch Seminar August 6, 2004
Cantilever Beam
P L b h
PL3 3EI or L
4 PL3 Ebh3
P LL 4 Eh 2 b h
Note the l
Nutating Reduction Gear Design Analysis
Design Project #2
MAE-415.003
By: Lewis Thorp Richard Tilyard Ben Townsend Jennifer West
Due: November 15, 2001
"We have neither given nor received any unaut
North Carolina State University Mechanical and Aerospace Engineering Department MAE 415-003
Design Project 2: Drivetrain Design
Due: 11/15/01
We hereby pledge that we have neither given nor received