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Beta 3 Three Roller Super Heavy Duty Plate Rolls: 14 to 68mm thickness
Beta 4 Three Roller Super Heavy Duty Plate Rolls: 16.5 to 88mm thickness 

The Beta Series is designed to roll steel above 25mm / 1.000" thick with yield strength of 350N/mm² / 50,000 psi to 1.4 the top roll diameter of the machine.
COMAL believes that to assure positive results of the function and durability of the roll when it is purchased with the intention of rolling such thick materials day in and day out, meaning 16+ hours shifts, the slide and block
system is the answer.
COMAL accepts the fact that an orbital path system for the bending rolls' movement with linkage style mechanisms may be used (as in their Kappa design). The fact remains that line contact bearings are inferior, for wear
and load carrying capacity, when compared with that of large surface area contact bearings.
Comal is also ready to provide their customers with a choice. If you request, we will offer you a Kappa 3 with the orbital motion system having the same capacities of the Beta  machines, at the lower price.
The capacities you read at the end of this page are TRUE RATINGS of the machines. They are clearly specified at 50,000 psi or 350 N/mm² material YIELD STRENGTH and at which diameter the machine will perform at the specified thickness on its FULL ROLLS' LENGTH.
Also presented on the specification page are the capacities at 36,000 psi/ 250N/mm² for comparison with other suppliers'machines, which may be rated at this yield strength and 3 to 5 times the top roll diameter!
Cone bending on these machines will require you to reduce the machine capacity by 25% on thickness and length.


Beta 3 Three Roller Super Heavy Duty Plate Rolls: 14 to 68mm thickness
Beta 4 Three Roller Super Heavy Duty Plate Rolls: 16.5 to 88mm thickness

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