Ring Motors vary the speed of the mill by changing the sta-tor frequency. A cycloconverter provides variable frequency for start, stop and speed variation during operation. Figure 1: Ring Motor of the 38' SAG-Mill of Rio Paracatú Mineraçao; Brazil 3 Design Verification To assure reliability of operation the mechanical design must be verified.

SD4713, P&H 464 OGL, Slew Ring Gear-15: 5: 40: 104: Moderate temperature performance to lubricate gears, open gears, bearings, rollers and sliding surfaces on large mining shovels: VULTREX Synthetic All Season 680: Aluminum Complex: 0/00: 760: 620: SD4713, P&H 464 OGL, Slew Ring Gear-40-40: 25: 77

Heavy-duty comminution requires heavy-duty equipment – and our MAAG® GEAR Girth Gears are up to the task. Manufactured using state-of-the-art processes and high-quality source materials, our line of girth gears is fit-for-purpose and for a lifetime – ensuring long-lasting, high-performance for your mill or kiln.

Polymet rubber lining is used AG and SAG mills, ranging from 1.5 m to 17 m in diameter of the mill trommel for the first grinding stage, using balls with a diameter of up to 100 mm.. Many companies are switching to large-diameter mills, increasing the efficiency of ore grinding, while operating large-diameter mills, problems arise with the lining life.

20"wide x 83" dia., shoe style bearings. 4 piece ring gear, spur cut, 248 teeth. Feed chute. Gear guards. 3 Spare pinions. Cylindrical Shell with removable heads. CJT Reference – DS#03910. 13 ft x 20 ft Ball Mills. 13 ft x 20 ft Ball Mills.

The gearless mill drive eliminates ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings, used within a conventional mill drive system. By mounting the rotor poles directly onto ... • 28 MW GMD for a 40' SAG mill • 28 MW GMD for 42' SAG mill Whether it is size or an installation at the highest

of mills and ball mill ap-plications, and are able to cover the power range up to the mechanical limit of the gearbox or the ring gear. The solution provides ad-justable speed for AG and SAG mills, or the opportu-nity to tune the speed of the ball mills for optimal grind-ing and maximum through-put, without the need to

With inside dimensions of 36-ft diam. and 19-ft long, this semi-autogenous grinding mill (SAG — see next section) will use a 43-ft diam. ring-gear drive to transmit 18,000 hp and handle up to 3,000...

Gear Blank; Kiln Tyre; Support Roller; Dia 2500 Roller Tier; Dia 7200 Sag Mill Head; Grinder Table; Roller Hub/ Journal Housing; Journal Head Under Machine; Anvil Tup; Anvil; Column; Hydraulic Cylinder; Hopper; Housing; Matte Ladles; Platform; SG Iron 25 Ton Ram For Pilling Machine; Ram; Slag Pot; Stainless Steel Labyrinth Ring; Head Stock For ...

The Pinion condition monitoring is available for any installed Outotec mill equipped with a pinion and ring gear. Outotec offers a complete package that includes a new hatch to accommodate sensor mounting tubes, an air purge pneumatic system complete with a junction box, and infra-red sensors complete with a separate transmitter ...

Ball Mill GEAR GUARD. A plate steel gear guard is furnished with the mill for safety in operation and to protect the gear and pinion from dirt or grit. As soon as the gear and pinion have been cleaned and coated with the proper lubricant, the gear guard should be assembled and set on its foundation. DISCHARGE HOUSING "Doghouse"

For smaller gears a flexible probe like a piece of thick vinyl can conform to any gear shape required. In most cases removal of lubricant isn't required. Any cracking is immediately detected and sized. We can complete the inspection on your ball mill, rod mill or SAG mill in one shift and get it back into production fast.

Gearless mill drive system (GMD) Go gearless to meet your business objetives by exceeding standard availability targets in your grinding operations. ABB's GMD is the most powerful mill drive system in the market to power semiautogenous (SAG), ball and autogenous (AG) mills, This 'workhorse' for grinding operations combines a robust ...

and uneven heating of the ring gear caused it to expand away from the hub, thus permanently misaligning the ring gear with respect to the hub, producing unsatisfactory runout. The same region shows a break in a small weld used to retain a locating pin between the hub and ring gear of the bull gear, although this is on the other face of the gear.

Raymond Mill Gears & Pinions Repair Ring Gears Repair Roller Chain Gears Repair. Rotary Kiln Gears & Pinions Repair S-Type Gear Repair SAE Splines Gears Repair Sag Mill Gears & Pinions Repair Silent Chain Sprockets And Gears Repair Speed Increaser Gears Repair Speed Reducer Gears Repair Spiral Bevels Gears Repair

All disciplines are in-house: project management, mechanical & process engineering, procurement & quality control, civil works, erection works, commissioning. This strength enables us to provide tailored and turnkey solutions to our clients. In addition, Fives' services centers are available 24/7 to remotely support clients in all time zones.

serves the girth gear, pinion, sliding shoe bearing and gear unit, ... Ball mill with ring motor drive. Brake of a ring motor drive. 8 Flotation Wet grinding Grinding is one of the most energy-inten- ..., SAG mills re-placed the second and third stages of the

Ball and SAG mills Problem/Requirement: Uneven torque loads and potential jamming of ring gears can result in damaged drive trains and enclosed gear drives Solution: Falk V-Class Enclosed Gear Drive and Autogard 820 Series Torque Limiter Result: Efficient and durable mill drive with minimal running costs and downtime in the event of a

Outotec Grinding technologies 007 the mill drive train to be brought closer to the mill, between two counter-rotating rolls; a fixed roller and a which in turn allows for smaller foundations and lower floating roller. The fixed roller is supported by the press installation costs. frame and the floating roller by hydraulic and pneumatic systems.

Sag or ball mill heads components. Ferry Capitain is a well known company for the supply of large mill heads and trunnions with more than 40 years of history. From 40' Sag heads to smaller regrind mill heads, Ferry Capitain with its 2 foundries is able to offer a wide range of product all made and machined within the same Group.

MIS is a supplier of Rotary Process Equipment Including Kilns, Dryers, Coolers & Incinerators. Replacement Parts Including Gears, Pinions, Thrust Rollers & Assemblies, Bearings, Bushings, Trunnions, Shell Sections, Ball Mill Components, Hydrator Parts, Nose Ring Castings, Kiln Seals & …

Specialties Gear Engineering, Girth Gear Inspection, Gear Cleaning, Shell Mapping, ASTM E2905, Cleansolv, Pinion Alignment, Ball Mill Inspections, SAG Mill Inspections, Gear Assessment, Risk ...

Cement Plant Machining. Tire and thrust roller machining and Grinding. Crusher, Pulverizer, Kiln Bearing Journals. Pump, motor, gearbox Foundation Machining. Gearbox bore welding, sleeving, and machining. Ring Gear Repair. Head & shell flange machining for the mining industry. Dragline repair including slew bearing seats and car body repairs.

For more information: continuously extends technical and performance frontiers of ring-geared mill drive technology to fit site requ...

US3180581A US210975A US21097562A US3180581A US 3180581 A US3180581 A US 3180581A US 210975 A US210975 A US 210975A US 21097562 A US21097562 A US 21097562A US 3180581 A US3180581 A US 3180581A Authority US United States Prior art keywords trommel discharge annulus mill opening Prior art date 1962-07-19 Legal status (The …

SAG mill conference, provided details of the then largest gear drive in operation on a SAG mill (34ft x 18ft) at Escondida 13.4MW, which began operation in 1995. The reason for not having larger gear drives was due to the limitation of gear manufacturers not having access to larger single piece special alloy castings. To the benefit of

Outotec (Pty) Ltd Australia / SAG mill component Cast-in items, base plates, ring gear guard, discharge trunnion liner and feed trolley arrangement including wear plate Approx. 25.4 tons

Slew Ring Gear ... x x x x Open gear applications, mill gears, ball mills, rod and sag mills, kilns, dryers Extreme High Temp Silica Gel 2 227 160 260+ 500+ x x Bearings in conveyor chain carriers of enameling ovens, in glass manufacture and very high temperature

The SAG mill has a mill diameter of 24 ft (7.3 m) and an effective grinding length of 18.5 ft and a structural charge mass of 315 t, Condor Gold said. The structural design ball charge is 11% with a structural design load volume of 35%. Specific gravity of the material is 2.55. The structural steel liner mass is 240 t; however, with the use of ...

The most durable, reliable and powerful. Our bulk materials handling gear systems are in operation in some of the world's harshest environments. Our thermal efficiency, mounting and sealing systems are optimised to ensure supreme performance, whatever the weather. All our gear systems are proven to withstand harsh grinding conditions.