Belleville Washer Torque

Little known uses of belleville washers may 3 2013.

Belleville washer torque.

5500 lbf belleville washer as supplied by sefcor. These washers have smaller outside diameters than standard spring lock washers to fit neatly under socket head cap screws. Torque foot pounds torque newton meters temperature f temperature c. D nominal bolt diameter.

The values assume the following in addition to the information listed in the chart. This is the same with belleville washers. Performance considerations a similar device is a wave washer. Tightening torque values are calculated from the formula t kdp where t tightening torque.

If you exceed a locking washer s torque by more than a few percent during assembly you destroy the locking washer. Belleville springs may 28 2013 belleville international is dedicated to providing quality belleville disc springs and was. All stainless steel hardware stainless steel hardware with bronze nut dia. Flat load is the amount of axial force required to flatten a belleville disc spring.

1 spring is considered to be 1 in parallel 1 in series. Silicon bronze hardware is not lubricated. So that the bolt and belleville washers work together make sure the torque for your belleville washers matches that of your bolts. Torque is the rotational force applied to a bolt to tighten a belleville disc spring.

The belleville washer can then be added seamlessly and no modification to this torque value is needed. Flat loading a belleville disc spring helps to ensure that bolts do not loosen while machinery is in use. And p bolt clamp load developed by tightening. In lb ft lb n m in lb ft lb n m 1 2 540 45 61 660 55 75.

Belleville washer stacking example. Clamp load is also known as preload or initial load in tension on bolt. Again belleville washers are no exception. Calculation example multiple belleville washers may be stacked to modify the spring constant or amount of.

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. This notation is needed for load calculations if n of springs in a stack then. 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. Din disc springs.

A common question with new users of the belleville washer is how much torque do i need.