In lb ft lb n m in lb ft lb n m 1 2 540 45 61 660 55 75.
Belleville washer torque.
D nominal bolt diameter.
Clamp load is also known as preload or initial load in tension on bolt.
And p bolt clamp load developed by tightening.
1 spring is considered to be 1 in parallel 1 in series.
Belleville springs may 28 2013 belleville international is dedicated to providing quality belleville disc springs and was.
A common question with new users of the belleville washer is how much torque do i need.
Again belleville washers are no exception.
A belleville washer is a type of spring shaped like a washer it is the frusto conical shape that gives the washer its characteristic spring.
Torque foot pounds torque newton meters temperature f temperature c.
Torque is the rotational force applied to a bolt to tighten a belleville disc spring.
Flat load is the amount of axial force required to flatten a belleville disc spring.
All stainless steel hardware stainless steel hardware with bronze nut dia.
This is the same with belleville washers.
Should you have any additional questions our engineering team here at belleville international is available for your convenience and can be reached by calling 877 235 5384.
Tightening torque values are calculated from the formula t kdp where t tightening torque.
Little known uses of belleville washers may 3 2013.
If you exceed a locking washer s torque by more than a few percent during assembly you destroy the locking washer.
Flat loading a belleville disc spring helps to ensure that bolts do not loosen while machinery is in use.
Belleville washer stacking example.
A belleville washer also known as a coned disc spring conical spring washer disc spring belleville spring or cupped spring washer is a conical shell which can be loaded along its axis either statically or dynamically.
Calculation example multiple belleville washers may be stacked to modify the spring constant or amount of.
Performance considerations a similar device is a wave washer.
The belleville washer can then be added seamlessly and no modification to this torque value is needed.
5500 lbf belleville washer as supplied by sefcor.
So that the bolt and belleville washers work together make sure the torque for your belleville washers matches that of your bolts.
Clamp load lb is calculated by arbitrarily assuming.
Din disc springs.
The values assume the following in addition to the information listed in the chart.
These washers have smaller outside diameters than standard spring lock washers to fit neatly under socket head cap screws.
