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Torsional Testing

 
 
 
Custom Constructed
Torsional Test
Machine


Featuring:
-Loading capabilities
between 1,000 ft/lbs and
15,000 ft/lbs
-Versatile “real world”
fixturing options

The MW Torsion testing machine can help verify and solve shaft strength issues. Our machine is used to fail test and
proof test a variety of our products and offer the same testing as a service. Almost any type of torsional testing can be
performed, from failure to fatigue life. Whether you need to test a driveshaft, splined shaft, axle, or anything to verify
torsion strength, we can help. The machine’s normal operating range is 1,000 to 15,000 ft/lbs torque range and can
perform cycle tests at speeds up to 2 cycles per second. We can customize programs for cycle test routines that use torque
or degrees of deflection as test limits.

Typically a shaft strength improvement project would consist of receiving current design shafts that have a failure
problem and perform two tests, an utimate and a fatigue test. The type of testing and the types of fatigue testing can be
easily matched to your needs. If requested we can recommend design improvements and re-test the improved product
before returning your product to a service environment. If custom tooling and fixturing is required, it can be built in
house or we can supply designs for you to produce your own fixturing. Call us today to see what we can do for you!

Aluminum Driveshaft Fatigue Test

Fixturing for ultimate strength
test of carbon fiber drive shaft
For additional information and quotation
Contact: Andrew Dickson

303-665-6901 x22
Fax: 303-665-7021

765 South Pierce Avenue Louisville, Co 80027 adickson at markwilliams.com
www.markwilliams.com


Aluminum Driveshaft Failure Test -
featuring real world simulated fixturing.
The driveshaft shown below was an ultimate strength test
performed to determine strength at the weld. The fixturing used
mimics the parts used in a typical race car allowing us to replicate
conditions the driveshaft would be exposed to in real world
applications. Removing the guess work is the real advantage to this
type of testing. Unkown variables in your design can be tested in
situations that traditional material testing and FEA dont uncover.
Material flaws, manufacturing flaws, and misconceptions about
running conditions can all be exposed in simulation type testing.
Aluminum Driveshaft Failure Test -
featuring component isolation.
Removing one of the failure points in the system, in this case U-
Joints, allows for isolation of separate components. Taking
advantage of the adaptability of our system allowed for the same
test to be run and further isolate design obstacles
Transmission Shaft Failure Test -

Splined shafts are a natural for our torsion machine. The fixturing is

Typical failure test results -straight forward to build, and by its nature it mimics running
Test reults from the shaft pictured above. Thist test was simply conditions very well. Shafts can be stressed and released at a point
loading the part until it experienced a complete failure. before failure as well as a full failure.