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Raw material extraction and processing

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Greater Reliability for Roller Presses
Reference / GTS | 2016-01 | GTS 0102 | English

Greater Reliability for Roller Presses

The customer’s concentrator plant is amongst the first ones in South America that uses roller presses. But at the beginning of operation at the customer’s plant experienced some problems: At around 2 500 to 5 000 hours, the performance of the large size bearings in particular was well below the expected operating life of 8000 up to 12 000 hours, and they were severely damaged at the end of the operating period. Using on the Global Technology Network Schaeffler created a cost-effective solution – consisting of lubrication and seal recommendations as well as reconditioning – which increases the bearing life for this specific application.

Publisher: Schaeffler Technologies AG & Co. KG

 
Special Heating Equipment for extra large Workpieces
Reference / GTS | 2015-11 | GTS 0070 | English

Special Heating Equipment for extra large Workpieces

TAKRAF GmbH, a globally-operating supplier of equipment for mining applications and conveyor equipment of all types, needed a heating device to heat large and heavy gearbox components like gears and rolling bearings. Within the framework of the Global Technology Network several Schaeffler specialists worked together and developed specially for this application a device that can generate sufficient electric power required for such large components – the FAG Heater5000.

Publisher: Schaeffler Technologies AG & Co. KG

 
Radial Insert Ball Bearings and Housing Units
Technical Product Information | 2015-08 | TPI 219 | 036926418-0000 | English

Radial Insert Ball Bearings and Housing Units

Black Series

The new radial insert ball bearing and housing units FAG Black Series from Schaeffler give easy mounting, smooth running and high reliability and thus allow particularly economical bearing arrangements. The dimensions of the FAG housings, made from flake graphite cast iron and with a primer paint coating, conform to JIS B 1559. These single piece cast housings can support moderate to high radial and axial loads. The radial insert ball bearings have basic protection against corrosion due to the Durotect® B coating. The bearing units are particularly suitable for applications with moderate to high loads.

Publisher: Schaeffler Technologies AG & Co. KG

 
SNS Plummer Block Housing
Brochure | 2015-04 | PSG | 082274940-0000 | English

SNS Plummer Block Housing

50 % increase in bearing life

This is the life! Product life in this new generation of SNS plummer block housings is so good that spherical roller bearings last up to 50 % longer than usual. This is due to a unique housing design: When in operation, the SNS housing proactively self-adjusts to the bearing.

Publisher: Schaeffler Technologies AG & Co. KG

 
Short-Term Monitoring Solution for a Tube Mill
Reference / GTS | 2015-03 | GTS 0097 | English

Short-Term Monitoring Solution for a Tube Mill

Sunstate Cement Ltd. is one of Australia’s leading manufacturers and suppliers of high quality cement products to commercial businesses throughout Queensland and Northern New South Wales. With a capacity to produce over 1.5 million tonnes of cement per year, Sunstate Cement Ltd. has a long history as a major contributor to Queensland’s largest and most impressive infrastructure projects for over 25 years. Challenge for Schaeffler: Sunstate Cement Ltd. had performed visual inspection of the Tube Mill No1 trunnion drive end bearing. During this inspection they found the bearing was in a reasonable condition after 28 years of service and decided to extend the service life by rotating the outer ring by 180°, what is a common practice for this type of application.

Publisher: Schaeffler Technologies AG & Co. KG

 
Sealed Bearings for Sheave Applications
Reprint | 2015-01 | FSB | 086284002-0000 | English

Sealed Bearings for Sheave Applications

With decades of experience as an original-equipment supplier to the oil & gas industry, Schaeffler designs every one of its sheave bearings to deliver relentless reliability under the most unrelenting conditions on land or at sea. FAG sheave bearings, in double row taper design, are suitable for numerous applications on drilling operations.

Publisher: Schaeffler Technologies AG & Co. KG

 
Vibration Monitoring of Rolling Bearings on High-Pressure Grinding Roller
Reference / GTS | 2014-08 | GTS 0090 | English

Vibration Monitoring of Rolling Bearings on High-Pressure Grinding Roller

The customer is an international manufacturer of cement, ready-mix concrete, and gravel and is one of the world’s leading manufacturers of construction materials. Challenge for Schaeffler: High-pressure grinding roller mills are used to grind raw materials. Damage to the bearings of grinding rollers results in disruptions to the production process. In order to minimize this risk, Schaeffler was commissioned to conduct vibration measurements as part of a pilot project supported by the machine manufacturer (OEM).

Publisher: Schaeffler Technologies AG & Co. KG

 
Reworking and Reconditioning of Support Rollers for the Steel Industry
Reference / GTS | 2014-08 | GTS 0073 | English

Reworking and Reconditioning of Support Rollers for the Steel Industry

The customer is a medium-sized French steel manufacturer who has specialised in the production of cold-rolled strip steel. The range of products comprises surface- finished strip steel as well as quenched and drawn steels. The company belongs to an internationally operating steel group from Germany. Challenge for Schaeffler: The outside diameters of the support rollers produce the surface of the finished strip material. Six to eight support rollers form a cluster. The surfaces of the support rollers and the minimal variation of their diameters are, therefore, decisive for zero-defect quality and the thickness tolerance of the finished product.

Publisher: Schaeffler Technologies AG & Co. KG

 
Sealed Spherical Roller Bearings
Technical Product Information | 2014-08 | TPI 218 | 036911500-0000 | English

Sealed Spherical Roller Bearings

With reliable protection against contamination

Spherical roller bearings are double row, self-retaining units comprising solid outer rings with a concave raceway, solid inner rings and barrel rollers with cages. The inner rings have cylindrical or tapered bores. The symmetrical barrel rollers orient themselves freely on the concave outer ring raceway. As a result, shaft flexing and misalignment of the bearing seats are compensated.

Publisher: Schaeffler Technologies AG & Co. KG

 
Split spherical roller bearings
Publication | 2014-05 | WL 43 165 /04/ GB-D | English

Split spherical roller bearings

Costs savings through rapid bearing replacement at difficult to access bearing locations

Split spherical roller bearings are principally used where the replacement of unsplit spherical roller bearings would require costly additional work, involving the removal of gears or couplings, the dismounting of drives or the dismantling of shaft power trains. The use of split spherical roller bearings reduces the downtime of machinery and plant.

Publisher: Schaeffler Technologies AG & Co. KG

 
 
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