The total weight of the ball mill when fully charged is about 280 t. The ball mill is driven through a girth gear at a speed of 16 rev min~1 and is mounted on the head wall of the ball mill. The girth gear, 6360.6 mm in diameter, is driven by two pinions, each being connected via a gear box and coupling to a 1560 kW electric motor.ball mill maintence procedure pdf file – Grinding Mill China. ... CR4 - Thread: ... how to align a ball mill pinion and girth gear – ore mineral … wet ball mill pinion installation method is to wet ball mill pinion bearing and fixed to backlash ... Request Quotation.

With the large‐scale development of the ball mill, the direct‐drive gearless ball mill has emerged, eliminating the limitation of the transmission torque of large gear. However, it is difficultto process, transport, install and maintain the gearless ball mill because of its vast volume, and the coils cannot be decoupled freely.Twin feed separator allows a lower cut size of up to 20 μm. Airflow and speed of the rotating cage can be adjusted according to the desired finish product. Ball mill Slide shoe ball mill with lateral drive system and gear rim for capacities of up to 2,000 kW. Solid, reliable and durable. Execution as mono or two-chamber mill. Perfect coordination

xAEROFALL type dry SAG mills, xDry grinding ball mills, xAir alignment of the girth gear. Two SAG mills load of the mill drive train. A starting couplingget price. cement mill horizontal torsional shaft alignment photos. cement mill membrane coupling small …SEW-EURODRIVE offers you a complete drive unit for your ball mill – whether for direct drive, pinion or girth gear drive solutions. Depending on requirements, our application engineers put together your own personal drive package comprising planetary gear units from the P and XP series or helical gear units from the X, M, ML or MD series.

As per customer choice and requirement, CPG offers ball mills with three drive options :-. 1. Girth Gear and Pinion Drive. 2. Central Drive. 3. Integral Drive. Girth Gear and Pinion Drive Ball Mill. A classic and robust design meant for all site locations, user friendly, low maintenance, less capital cost, easy availability of spares.Figure 3 - The 24' x 39.5' ball mill Table 4, 5 and 6 include the technical data for the Copper Mountain ball mills. Table 4 - general ball mill data Specification Data Mill size 7.315 M [24 feet] diameter by 12.039 M [39.5 feet] long Mill type Wet grinding, overflow discharge Mill drive motor size 17,000 HP Mill drive motor type ...

• 22 MW GMD for 28' ball mill • 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 altitude (4600 m.a.s.l.), ABB's GMDs are well positioned to contribute to the building of larger and ever more powerful …External size of ball mill: 750 X 460 X 590 mm. Net weight of ball mill: 130KG. MTI Corporation 5 5. Structure Sketch Figure 1 1. Safety switch 13. Back cover 2. Control box 14. Puller cover 3. Big pulley 15. Ball milling tank 4. Transient gear 16. Beam 5. Fixed gear 17.Frequency converter ... of ball mill. It is possible to install 4 ball ...

Ball mills are smaller still and use a larger percentage of balls to perform most of the work. Large-di- ... tual size of the gear. Gear power capac-ity is a function of how the ratings are calculated. There are two basic rating ... Figure 2 Grinding mill installation. FEBRUARY 2014 …Gear cutting of a split girth gear for a cement mill having an input power of 2200 HP 5. Separate mill A: Damage to mill cylinder, neck or stub endanger girth gear and pinion. Repairs entail extra work for girth gear dismantling. B : Damage to mill cylinder cannot endanger gear teeth. Mill repairs do not entail gear dismantling. KAANU FAC TU RE 6.

1. The girth gear has a long-time super-capacity operation, the operation rate is high, and the cylinder body is bent and deformed, resulting in unevenness of the gap between the girth gear and the pinion gear. Under the action of the alternating load, the girth gear will …The large girth gear of the ball mill not only has a large shape, but also has a certain weight. It is formed by combining two half-toothed gears, which is mainly for the convenience of disassembly and installation. The number of teeth of the large ring gear is generally even, and it needs to be opened on the tooth groove.

Gear's manufacturing, adjusting and installation is good or bad, is one of the key conditions of ball mill can be work correctly. Structure of the large scale ball mill gear wheel: The large scale gear ring on drive ball mill, which normally is formed by two halves of gear ring for convenient to dismantle due to large-ring shaped and heavy ...High integrity girth gears rated to 10 MW, available in cast, fabricated and multi-segment configurations; Girth gears manufactured to 14 m diameter and 105,000 kg; Pinions are designed to give the highest torque transmission capability and are available as integral or bored designs

table 1 - ball mill shaft speeds, expected forcing & fault frequencies ball mills, forcing frequencies (cpm) shaft speeds 1x rpm motor speed 1,191 ball mill pinion speed 226 ball mill gear speed 18 gearbox (between motor & ball mill) nb ftf bsf 2x bsf bpfo bpfi input …ball mill (flanges are lined first) al =150 mm cm bl = b2 = 50 mm = 5 cm D = 180 cm L = 170 cm Therefore NI = 1.5715x 180 x 180 679 Nos 15 x 5 3.143 x 180 x 170 = 1283 Nos 15 x 5 Dimensions and weights of standard size mill lining blocks Dimension in millimeters Approximate weight in kgs Suitable for ball mill size Block number Taper 32 51 53 54

to the ball mill. The TSHH technology – referring to case hardened HS and intermediate pinions - can be provided for all existing Symetro gear units regardless of capacity size or type. Installation is complete within 2 weeks and the Symetro gear unit and ball mill will be ready for operation with 100 percent load immediately thereafter.Installation of inlet and outlet slide shoe housings, slide shoes, ball mill, girth gear, main and auxiliary gear boxes and motors. Installation of shell and diaphragm liners and diaphragm structure; Installation of hydraulic systems for the bearings, girth gear and drives. Installation of drive input and output couplings and their alignment.

main reduction gear box, mill pinion and girth gear. The mill is also equipped with a barring drive, which is either connected to the main drive reduction unit or, alternatively mounted at the back of the main motor. Refer to Figure 3 for a schematic of the mill drive system. The girth gear is considered the most critical componentBrown's high integrity girth gears drive horizontal grinding mills across the globe. With both fabricated and cast designs, you can be sure that David Brown is your complete gearing partner- Girth gears rated up to 10MW per drive - Capability to manufacture girth gears to 14m diameter - Girth gears manufactured up to 105, 000kg

How to install and align the girth gear and pinion . Installation and alignment between girth gear and pinion of ball mill / in News / by admin There are two kinds of transmission forms of ball mill, i.e. center transmission and edge transmission. Get PriceInstallation and maintenance convenience ball mill wear wear resistance and new technology face with high hardness pinion gear for ball mill and.Learn more; installation of mill pinion gears pdf - dec 10, 2012 how to align a ball mill pinion and girth gear grinding mill china cr4, ball mill pinion alignment pdf, wet ball mill pinion.

61168029-Tool-and-Material-List-Girth-Gear-Install.pdf. Rm-1 1st Chamber Liners Replacement. Pan Conveyors. 16' x 22' Ball Mill Installation Manual. Rawmill Condition Monitoring. Planos Ss. Central or Girth Gear Drive for Ball Mills - 1. Kiln Temperatures RMZ53_0403-0408. ZXSDR R8862A (V1.0) Hardware Installation. New Microsoft Office Word ...The Attentions of Ball Mill Grinder Installation and Commission. 14:32:11 XinHai (5380) Ball mill grinder is the essential equipment in mineral processing plant, which is also the key equipment in the whole mineral processing plant construction. Therefore the stable operation of …

The raw material is fed into the ball mill at the ends and the steel balls impacting together eventually grind the material into a powder, which is collected through slots at the centre of the mill. The mill is driven by a pinion gear, which engages with a ring gear, or girth gear, around one end of the mill (see Figure 4). Cracked trunnionsDetection and adjustment for ball mill girth gear installation. According to the installation procedure, after the large girth gear is assembled to the cylinder flange, the gap and the tooth pitch at the interface of the two halves of the girth gear should first be met, and then the radial runout and end face runout value of the large girth ...

mills and ball mills for use in the mining and cement industries. By current stan-dards, girth gears can be as large as 14 meters (46 feet) in diameter, 1.1 meters (44 inches) face width, and 50 module (.5 DP) tooth size, and weighing upwards of 120 tons. Flange mounted gears rely, in large part, on the mill structure to pro-vide the stiffness ...Product introduction The girth gear is the major component used in rotary kiln and ball grinding mill which is required to be operated in a long time. So, the quality requirements during the actual production for the big gear ring are very high.