Signature analysis is a technology assemblers can use for rapid, root-cause diagnosis of several assembly processes performed on a range of products. Here is a partial list of several applicable processes and related parts, as indicated by signature analysis product suppliers.

Signature analysis is a technology assemblers can use for rapid, root-cause diagnosis of several assembly processes performed on a range of products. Below is a partial list of several applicable processes and related parts, as indicated by signature analysis product suppliers.

TORQUE TO TURN TESTING
water pumps
crackshafts
engines
cams
gearshifts on transmissions
differentials
axles
fuel pumps
blood pumps
dialysis machines
dampers in a car
powertrains
fuel systems
braking systems
windshield washer motor
fuel pump
garbage disposal systems
gear boxes for marine applications

FUNCTIONAL TESTING
a DC motor
“opening” torque of a car door

LEAK TESTING
radiator
power steering pump
vinegar bottle

CRIMPING
pacemaker
terminal for a headlight
big electric motor
stents being crimped around balloons

SOUND & VIBRATION
motor
bearing
valves
vacuums on a pump

WELDING
a titanium pacemaker cover shot
wire onto a circuit board
defibrillators
medical devices using metals like magnesium, tungsten, maliptinum
automotive products using metals like cold rolled steels
plastic blood pumps
ink jet cartridges
gas tanks

DISPENSE MONITORING
countless products using adhesives, glues and lubricants

PRESS FITTING
a bearing into a casting
a pin into a circuit board
a valve seat into an aluminum cylinder head

LASER PROFILING
an auto engine
for the planarity, angle of assembly or orientation of parts

RIVETING PROCESS MONITORING
brake pads
air bags
automotive door locks
surgical end grippers
spinal inserts
airshocks

MONITORING POWDER OR SLURRY COMPACTION
products using powdered metals, like cam lobes
magnetic powder
pharmaceutical components