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Toggle Plate

ESIS, the Manufacturer, Exporter & Importer and Suppliers of "Toggle Plate" Jaw Crusher Wear Parts. We provide and Supply High Quality and High Grade of Toggle Plate the Genuine Jaw Crusher Spare parts

The bottom of the pitman is supported by a reflex-curved piece of metal called the toggle plate. It serves the purpose of allowing the bottom of the pitman to move up and down with the motion of the eccentric shaft as well as serve as a safety mechanism for the entire jaw. Should a piece of non-crushable material such as a steel loader tooth (sometimes called "tramp iron") enter the jaw and be larger than the closed side setting it can't be crushed nor pass through the jaw. In this case, the toggle plate will crush and prevent further damage.

Toggle plates may provide another very important function. With some designs the toggle plates are made up of two steel plates that are bolted together with what is known as SHEAR BOLTS. These are bolts that have a known shear strength. If something that the crusher cannot crush accidentally gets into the crushing chamber these bolts will shear off when the Jaw hits the unbreakable object. This will prevent damage to the rest of the crusher.

Maintenance for these parts must be carried out only by trained or authorized personnel, but the inspection can be performed by the operator. Worn components should be replaced in good time to avoid damaging the toggle plate or toggle seats, with a consequent need for expensive repairs. Sandvik recommends exchanging the toggle plateand the toggle seats at the same time.

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