Phosphor Bronze Conical Spring for the LED Lighting Industry
Phosphor Bronze Contact Spring
(click on thumbnail to enlarge) |
This conical spring is used as an electrical
contact in the LED lighting industry.
Design and Manufacturing Challenges included controlling the large end
diameter so that the spring properly installed to the mating base plate,
controlling the taper of the body so that the body coils completely nest and
allow the spring to compress to a minimum solid height, maintain minimum free
length variation to control load at length within a narrow tolerance and
maintain minimum 10,000 cycle fatigue life without failure.
|
Specifications
Product Name |
|
Phosphor Bronze Conical Spring for the LED Lighting Industry |
|
Wire |
|
0.032" Phosphor Bronze
|
|
Outside Diameter, Body
|
|
0.675" OD large end, 0.3125" ID small end
|
|
Total Coils |
|
~ 5.3
|
|
Free Length
|
|
0.645" +/- 0.15"
|
|
Manufacturing Processes
|
|
Coiling, low temperature stress relief
|
|
Production Speed |
|
~5000/hr
|
|
Low Temperature Stress Relief
|
|
305 degrees F, 20 minutes, inline conveyor oven
|
|
Testing
|
|
SPC for load at installed length, 10,000 cycle life test for each lot
|
|
Packaging
|
|
Bulk pack in recyclable containers
|
|
End Use
|
|
Contact Spring in LED lighting
|
Shipped to
|
|
U.S.
|
back to top |