In a jaw crusher, the toggle plate is a part that joins the moveable jaw to the fixed jaw. Its function is to absorb most of the crushing power generated by the movement of the jaw plate. And it is located directly below the feed opening of the crusher.
Cast iron is usually the bracket material, which can bear the enormous stresses and strains of the crushing operation. In the event of an overload or excessive pressure on the crusher, this safety feature guards against damage to the crusher and its parts. The toggle plate will shatter if the material being crushed is too tough or massive for the crusher, protecting it from further harm.
The toggle plate and the link arm can control the lifting of the movable jaw. They are all driven by eccentric shafts. The toggle plate travels together with the moveable jaw as it rises and lowers, imparting pressure to the object being crushed against the fixed jaw. When an object that the machine can’t crush enters the crushing chamber, the toggle plate serves as a fuse to prevent harm to the crusher’s internal parts.
Many things can cause unusual noises from the jaw crusher toggle plate. Examples are worn or damaged bearings, loose or misaligned brackets. And we can take the following measures to solve this problem:
In conclusion, what is necessary is a thorough inspection of the brackets, bearings and alignment. This will solve the strange noise from the toggle plate of the jaw crusher. And we can avoid this problem through routine machine maintenance and lubrication.
Depending on the brand and model of the crusher, the procedure for replacing a toggle plate can vary significantly. But the fundamental procedures are as follows:
While working on the crusher, shut off the electricity to it and lock out the power supply to prevent an unintentional start-up.
By releasing the tension rod nut and sliding the assembly out, you can remove the tension rod and spring assembly from the jaw crusher’s base.
By loosening the bolts keeping the old toggle plate in place and removing it out of the jaw crusher, you can get rid of it.
Slide the replacement toggle plate into position, then tighten the bolts.
Slide the tension rod and spring assembly back into position, then tighten the tension rod nut to complete the installation.
Verify the jaw crusher’s alignment and make any necessary adjustments.
Switch on the crusher’s electricity to test it out.
Follow the manufacturer’s instructions and safety precautions when replacing toggle plates on jaw crushers. Beyond that and using the right tools and equipment is crucial. It’s advisable to have a competent technician or mechanic handle the task if you don’t feel comfortable doing it yourself.
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