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Gearing products

There may be several large gear manufacturers in the world that occupy certain niches within the realm of girth gears and industrial gearboxes, but FERRY-CAPITAIN Industries LLC, with full access to the design and manufacturing capabilities of FERRY-CAPITAIN and CMD, and their sister companies within Groupe CIF, is uniquely positioned offer a very wide range of open and enclosed gearing solutions for all types of low-speed, high-torque industrial processing applications.


Open Gearing
From an open gearing perspective, girth gears (or ring gears) may be supplied using either cast steel or cast ductile iron as the base material. With recent advancements in material properties, including Ferry-Capitain’s development of its proprietary FerryNod® ductile iron grades for girth gear applications, allowing for the use of a minimum design hardness of 340 BHN for both materials, most heavy duty gear applications can be serviced using either material with very few exceptions.In general terms, cast ductile iron typically provides a cost and delivery advantage over cast steel due to a reduced number of intermediate manufacturing steps, lower processing energy consumption, and a reduced specific gravity compared to steel, resulting in lower weight for an equivalent gear design. Ultimately, the choice rests with the end customer, as the manufacturing facilities are equally adept in all phases of steel or ductile iron gear processing, including all required non-destructive testing and gear tooth verifications.

The girth gears are driven by shafted pinions, which are manufactured from forged steel, and supplied either through-hardened or case-carburized, depending upon application requirements. Pinion teeth are typically finish-ground to achieve high cutting quality and surface finish requirements for long service life.

Gear sets are designed in accordance with ISO, DIN and AGMA standards.

A summary of open gearing offerings is as follows:
 
Gear materials: Cast steel, cast ductile iron
Maximum diameter: 16 000 mm
Maximum facewidth: 1500 mm
Max. tooth size (module): 50
Tooth types: spur, helical, double-helical
Pinion materials: Forged steel (through-hardened or case carburized)
Pinion configurations: Bored, integral (solid-on-shaft)
Cutting quality: AGMA Q10 (gears), Q12 (pinions)
Finish-grinding: up to Ø 4500 mm

 

Enclosed gearing
With respect to enclosed gearing, we are able to offer the industrial gearboxes and couplings that complement the open gear sets, such that the entire mechanical drive train, from the motor output shaft to the process equipment flange, may be supplied.


Custom, high-torque gearboxes, in a multitude of configurations (parallel shaft - - single and multi-stage; right angle; planetary) may be supplied by CMD for a wide range of industrial uses, along with a full line of grid (Winflex®) and gear (Flexident®) couplings. Proprietary CMD drive products include: Bogiflex® kiln drive system, CANEflex® sugar-cane mill drive, JUMBOREX® vertical grinding mill drive and ERmaster® parallel-shaft reducers. CMD has most recently developed its Quadrex® multi-pinion drive arrangement, for high-powered horizontal grinding mills used in mineral processing, for power transmission up to 30 MW.

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