Long Service Life Cone Crusher Torch Ring Wear Resistant Spare Parts
Description
The torch ring is welded to the mantle and the locking bolt (locking nut) after a new mantle is fitted, locking everything together and sealing dust out of the head. It is a sacrificial part: it is cut off at every liner change and replaced along with the new mantle.
What the torch ring does
Locks the mantle. Once the new mantle is centred on the head and the locking bolt is tightened, the ring is welded to both the mantle and the locking bolt so nothing can back off in service.
Seals out dust. It closes the gap at the top of the mantle and keeps dust and contaminants out of the sensitive areas of the crusher.
Guides the feed. As part of the feed plate assembly it helps direct material into the crushing chamber between the mantle and the concave.
Replaced every liner change. The ring is cut off to release the worn mantle, so plan on one torch ring per mantle change.
Understanding the role of the Torch Ring is vital for efficient crusher maintenance.
Why Replace Every Time?
The Torch Ring is a Single-Use Item. During operation, the crushing action causes the mantle to self-tighten, compressing the torch ring significantly.
Reusing a deformed ring will prevent the Head Nut from tightening correctly, leading to a loose mantle.
Removal Diagnosis: When removing a worn mantle, if the Head Nut cannot be loosened with a hammer wrench or hydraulic nut, the Torch Ring must be cut.
Our rings are designed with a specific wall thickness to allow a clean cut without damaging the threads on the Main Shaft.
Installation Tip: Ensure the mating surfaces of the new Torch Ring and the Head Nut are clean and free of burrs.
Apply a light coat of anti-seize to the ring faces to prevent friction welding.


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