how to replace girth gear in ball mill

Grinding ball mill girth gear root clearance

 · How do you measure the root clearance between a girth gear and a pinion of a grinding ball mill and what is the recommended root clearance. This ball mill uses helical gears(i.e. 284 teeth girth gear with a 24 teeth pinion).

how to align a ball mill pinion and girth gear | Mining ...

 · GEAR GIRTH. Ball mill 9000 HP Motor speed 990 rpm Mill speed 14 rpm … I have been asked to align the pinion-gear on an 8'' x 24'' SAG mill. …

Ball Mill

Ball Mill. We bring forth a highly advanced Ball Mill, specifically engineered for both wet as well as dry cement grinding applications. Classified depending on the circuit design, bearing, grinding type and drive, the selection is made on the basis of the product fineness, quality, and nature of raw material, site conditions and specific requirements.

Ball mill large girth gear installation

 · 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 …

High Vibration Ball Mill Duel Pinion Drive

 · The Mill was purchased second hand and the pinion and girth gear have pitting spalling and a 7deg C temperature differential across the pinion. So some misalignment but very close to acceptable limits As suggested if I could get access to some high resolution data of the gear mesh frequency then see the spacing of the side bands.

Girth Gear Maintenance

THE LIFE LINE OF THE MILL. Regular maintenance of the Girth gear is an area of the mill''s drive train that can be neglected by a maintenance department, albeit quite unintentionally. This oversight can result in failure or excessive wear, or both, which causes unplanned, costly mill down time.

I Ball mill maintenance

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 trunnions

Industrial gear unit drive solution for ball mills | SEW ...

Large girth gears are installed around the cylinder to rotate the horizontal ball mill cylinders. A pinion connects these directly to the industrial gear unit. SEW-EURODRIVE does not just provide industrial gear units, we provide the complete drive package with specially segmented girth gears.

girth gear for rotary kiln and ball mill of cement plant ...

CHAENG girth gears are applied to the Xinjiang Tianshan Group, Henan Meng Group, and other well-known domestic and foreign cement enterprises, for the normal operation of ball mill and rotary kiln. In 2011, CHAENG customized for the Turkish customers a large girth gear with diameter of 7.3 meters and made up of GS34CrMo4 material, and received ...

Field Services –

Cement Kilns. IPEC performs a wide variety of on-site rotary-kiln repairs and new installations. We deliver high-quality field services for your kilns at a highly competitive price. • Tire-pad replacement. • Girth gear reversals and installations. • Nose-ring repair and replacement. • Shell liner and chain installations.

Fixed Plant Maintenance Solutions Queensland Australia

MILL MAINTENANCE SERVICES, INSTALLATIONS, LASER ALIGNMENT, PINION & GIRTH GEAR MAINTENANCE AND MUCH MORE... Is unnecessary down time costing you money? if so, it''s time you had a chat with Fixed Plant Maintenance Solutions – your key to increasing equipment availability. Whether you operate a ball mill, sag mill or any other type of mill ...

Ball Mill Girth Gear Instalación Pdf

ball mill garth gear pinon alignment technique. how to align a ball mill pinion and girth gear Mining . how to align a ball mill pinion and girth gear ore mineral crushers. girth gear with dual pinions alignment bulk-online forums. condition . and does any one II-84 The pinion and girth gears of two 9 MW ball mills exhibited severe scoring ...

Ball mill large girth gear installation

 · 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.

On-site services for girth gears

For kiln and ball mills, we offer services on open girth gears: - Delivery and replacement of shell sections below girth gears - Delivery and installation of girth gear, pinion, fixation system and drives - Change or reversal and alignment of girth gear, pinions and drives. Repair and refurbishment Our repair and refurbishment team

Girth Gears

Mill Girth Gears comprise high integrity girth gears that find application in driving horizontal grinding mills. With these gears developed for achieving superior finish strength and process reliability, these can be designed for different kW applications as well as in diameter and weight choices.

How to test a 12" girth gear with pinion

 · I have a spare girth gear that (might) belongs to a ball mill, and I need to check it with the pinion, and perform contact test, backlash, radial and axial runout (2 sections), et cetera). There is a distinct possibility the pinion does not correspond to the gear for …

Ball Mill Drives

These large coal crushing drive systems are usually rotated by motor-driven gearing. A typical application consists of a motor-driven primary single-stage reducer that, through a flexible coupling, drives a large open pinion which in turn, meshes with a large ball mill ring (girth) gear that is attached directly to the ball mill.

Girth Gear Inspection

The girth gear driving pinion ends up getting aligned to the reduc-er, causing a misalignment issue between the girth gear teeth and the driving pinion teeth (Fig. 1). – Proper alignment should consist of: axial and radial alignment of the girth gear to the center line of kiln/mill; center line of the driving pinion is aligned to the center line


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.

Girth Gear for Ball Mill and Rotary kiln

The girth gear is the major component used in rotary kiln and ball mill which is required to be operated in a long time. So, the quality requirements during the actual production for the big Girth Gear …

Girth gear for rotary kiln, ball mill and tube mill ...

Goirid Tuairisgeul: Gear ring Weight: 10~35T Applicable devices: rotary kiln, ball mill, tube mill Application: Cement, building material, metallurgy etc. Customizable or not: Yes Product introduction Gear ring is the main part of rotary kiln and ball mill which has to run for a long time, therefore, there is high quality requirement for gear ring in production.

How to choose ball mill girth gear and pinion

 · And even girth gears with the same specifications but different material has different prices. In order to purchase suitable ball mill gear and pinion, you must know the materials: The destruction of the edge-drive ball mill gear and pinion is mainly …

How to repair girth gear cracks in rotary kiln?

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 …

Ceramic Ball Mill Relining and Refurbishing

Ceramic ball mill linings will eventually wear down and need replacement. Even old pebble mills with Burrstone linings can be relined with high-alumina brick. We tear out and dispose of the old brick, check the steel shell thickness, repair or replace and thin or corroded section and …

Special maintenance method for ball mill large girth gear

This maintenance method is to repair the large girth gear without replacing the barrel of the large girth gear of the ball mill and the spring plate. It is necessary to cut the spring plate and the ear plate of the large girth gear first, and the cylinder and the previous spring plate can be kept still.

Gear unit that perfectly fits your ball mill | FL

One side drive provides a power range up to approximately 8,000 kW when engaged with the girth gear of your ball mill. In dual arrangement, with one gear unit on either side of the mill, our MAAG® LGDX gear unit covers grinding applications up to 14,000 kW. Product features. Reliable gear unit components for a complete, adaptable side drive.

How to install and align the girth gear and pinion | prmdrive

 · The cost of edge drive is low, but the pinion needs to be replaced every 2-5 years. Edge drive is mainly used in coal mills and mills with small power. The girth gear(big ring gear) and pinion are the key of the edge transmission device. Their reliable operation is directly related to the stable production of the mill.

Keeping those ball mills turning

 · The pinion is a small gear with a matching tooth profile to the ring gear on the ball mill. From a bearing point of view, there are two bearings at the end of the shaft on the pinion and there are ...


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 Mills

TITAN BALL MILLS. Based on the MPT TITAN™ design, the Mills are girth gear & dual pinion driven with self-aligned flanged motors, running on hydrodynamic oil lubricated bearings. The TITAN design enables you to run full process load & 40% Ball charge at 80% critical speed – Max grinding power for every shell size. Standard Mill Types Available:

Rotary kiln girth gear replacement

 · Rotary kiln girth gear replacement 1. Rotary kiln girth gear replacement Rotary kiln girth gears are relatively precise mechanical parts. The girth gear need to be replaced due to a degree of wears and tears from their frequent use, like teeth plastic deformations, fatigue pitting, teeth bonding, tooth surface wear, tooth breakage, etc.

Girth Gears

Girth Gears. With a variety of options for cast, fabricated steel or SG iron and multi-segmented gears, David Brown Santasalo is your one stop shop for girth gears for AG, SAG, ball mill and crushing applications. Engineered in segments, starting from two and with no upper limit, we can manufacture girth gears up to 14 metres diameter.

Girth Gears

Girth / Ring Gears If you need large diameter girth gears in your process machinery, then you need a product you can rely on. With a variety of options for cast, fabricated steel or SG iron and multi-segmented gears, David Brown Santasalo is your one stop shop for girth gears for AG, SAG, ball mill, kiln and dryer applications.

Condition based monitoring — Kiln and ball mill girth gear ...

 · Abstract: This practice describes a two-part, new proposed standard for electromagnetic methods for preparation and examination of gear teeth in the cement sector on kiln and ball mill girth gear drives, including pinions - particularly on the addendum, dedendum, and root areas. This practice addresses the need to detect surface breaking flaws electronically and to have the ability to ...

Ball Mill Girth Gear Maximum Allowable Axial Runout ...

Axial and radial run out in ball mills ball mill girth gear radial How To Calculate Ball Mill Girth Gear Runout By Dial . Chat Online Ball Mill Girth Gear Radial anreximin. Falk Mill Products gears and pinions Through the Run Out For Girth Gear Ball Mill acquisition of the intellectual property rights of Falk Mill Products is now .

Why Use Girth Gear In Outlet Of Ball Mill

Rollers, Support Rollers, Kiln Tyres, Trunnion, Gear, Mill Gear, Girth Gears, . ... rotary kiln or ball mill,such as girth gear and ... . end plate, inlet head, outlet head . Read more price of journal bearing for the cement ball mill - seshadrivaradhan