How To Use Lock Washers Diagram

Washers are used to strengthen the connection by distributing the force that is being applied by the bolt over a broader area. Lock washers for example help prevent accidental loosening of the bolt.

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Check that the washer is tight against both surfaces and if the threaded fastener and washer both have grooves that theyre locked together.

How to use lock washers diagram. Lock washers are used to keep screws and bolts from loosening especially as a result of vibration or changes in temperature. The lock washer grips into the surface below the screw or bolt head helping to prevent the threads from loosening over time. Bolts are typically used to fasten two or more objects together through pre drilled holes.

Any more force and the bolt will enter the plastic region and permanently deform. In other words the bolt goes straight into the hole and doesnt poke out the other end so no nut is used. There are no set in stone standards for when to use lock washers or what type of lock washer to use in every situation.

You see lock washers all the time around your home. If you were to graph the tension on the bolt while you tighten the nut the plot would look like the graph below. Place the lock washer between the nut and the work surface if using a nut and bolt configuration or between the fastener head and the work surface if using a tapped hole configuration.

To get the greatest clamping force out of the bolt we would to tighten it all the way up to the yield point. Specialty washers are also available. Lock washers are installed by putting a bolt or screw through the center of the washer so that the washer is beneath the bolt or screw head or between the nut and the surface being fastened.

Lock washers are usually used when bolting two pieces of metal together. To use a lock washer start by placing the washer under the nut or threaded fastener.

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