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[[File:Ring Roll Crushers_1.jpg|thumb|200px|right|Ring Roll Crushers]] | |||
[[File:Ring Roll Crushers_2.jpg|thumb|200px|right|Ring Roll Crushers Parts]] | |||
'''Ring Roll Crushers''' are [[Crushers]] that are excellent machine for medium and fine crushing of metal chips & turnings. | |||
Multiple hammer rings held by rotating arms fixed to high speed rotor shaft crush (by impact) incoming metal turnings & metal chips against a manganese breaker plate and grate bars located in the bottom of the crushing chamber. | |||
Product size is controlled by the selection of the grate bar opening The crusher has anti-jamming features rejecting solid objects. | |||
==Typical Design== | |||
The crusher is the heart of any chip salvage system, and the Ring Roll Crusher is designed to quickly and economically reduce carbon and alloy steel, aluminum, brass and bronze turnings to shoveling chips. | |||
The rotor is assembled on a heavy heat-treated alloy shaft which revolves in heavy-duty anti-friction bearing enclosed in dust-tight steel pillow blocks. | |||
==Common Parts== | |||
===Feeding Equipment=== | |||
Roll feeding system with one stainless steel roll having a profile suitable for conveyance, manually adjustable slide for the height of the prod.-layer, conveying capacity of the roll adjustable by frequency converter. | |||
===Roll Bearing Assembly=== | |||
Rolls in self-aligning roller bearings with grease lubrication, bearing withdrawal rings. | |||
===Bearing Housings=== | |||
Swivel bearing housing on bolts, on the drive side equipped with fixed rings, sealing by 2-lip seal, split housing; front bearing housing on bolts, tiltable by eccentric bolt. | |||
===Gap Adjustment=== | |||
Manually by means of threaded spindle, scale ring as precise gap indicator, shearing pin with predetermined bearing point, cup spring assembly protects if foreign materials pass, lubricated sliding points, adjustment by means of pin spanner. | |||
===Drive=== | |||
Motors: For each pair of rolls 1 motor of 40 hp up to 50 hp, standard motor with 1500 rpm. | |||
Transmission: Connection from the motor to the high-speed roll (swivel roll) by V-belts, transmission to the low-speed roll via dual V-belts, automatic retightening of the V-belt drives, various differential speeds | |||
===Sheet Covering=== | |||
Drive zones: screwed-on sheet covers of stainless steel with ventilation openings. | |||
Product chamber zone: Doors of stainless steel sheet, turnbuckle locks, safety switches, hinged, or fixed, with sealing all around. | |||
===Roll Sealing=== | |||
Front sealing by V-rings, counter plates of stainless steel. | |||
==Video== | |||
<youtube>3EIzdjweNbo</youtube> | |||