Belleville Washer Torque

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.

Belleville washer torque.

Flat load is the amount of axial force required to flatten a belleville disc spring. 5500 lbf belleville washer as supplied by sefcor. All stainless steel hardware stainless steel hardware with bronze nut dia. 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.

D nominal bolt diameter. Tightening torque values are calculated from the formula t kdp where t tightening torque. Din disc springs. Little known uses of belleville washers may 3 2013.

Belleville springs may 28 2013 belleville international is dedicated to providing quality belleville disc springs and was. Clamp load is also known as preload or initial load in tension on bolt. Belleville washer stacking example. So that the bolt and belleville washers work together make sure the torque for your belleville washers matches that of your bolts.

In lb ft lb n m in lb ft lb n m 1 2 540 45 61 660 55 75. The values assume the following in addition to the information listed in the chart. A common question with new users of the belleville washer is how much torque do i need. These washers have smaller outside diameters than standard spring lock washers to fit neatly under socket head cap screws.

Performance considerations a similar device is a wave washer. Silicon bronze hardware is not lubricated. 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.

The belleville washer can then be added seamlessly and no modification to this torque value is needed. This is the same with belleville washers. And p bolt clamp load developed by tightening. Flat loading a belleville disc spring helps to ensure that bolts do not loosen while machinery is in use.

If you exceed a locking washer s torque by more than a few percent during assembly you destroy the locking washer. Belleville spring lock washers also known as conical washers these have a slightly cupped shape that gives them spring like flexibility to grip tighter than split and tooth lock washers. This notation is needed for load calculations if n of springs in a stack then. Clamp load lb is calculated by arbitrarily assuming.

Calculation example multiple belleville washers may be stacked to modify the spring constant or amount of.