Schaeffler Global Technology Network

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Condition monitoring on the Path to Industry 4.0
Reference / GTS | 2015-09 | GTS 0091 | English

Condition monitoring on the Path to Industry 4.0

Mitsubishi HiTec Paper Europe produces special papers, which are coated using modern methods and used around the world, at its paper factories in Bielefeld and Flensburg. One of SM 3's fans in Bielefeld failed due to imbalance that was not detected in time causing significant damage to both the bearing support and additional components. In order to identify potential damage at an early stage and prevent unplanned and costly downtimes, the paper producer needed a solution that would allow them to switch from time-based to condition-based maintenance.

Publisher: Schaeffler Technologies AG & Co. KG

 
Conversion of Dryer Roll to Self Aligning Cylindrical Roller Bearing
Reference / GTS | 2014-04 | GTS 0040 | English

Conversion of Dryer Roll to Self Aligning Cylindrical Roller Bearing

The customer is a leading European manufacturer of virgin-fibre paperboard. Challenge for Schaeffler: A certain amount of linear expansion takes place as the dryer rolls heat up. To compensate this expansion, spherical roller bearings with a rocker block housing were mounted in the non-locating bearing position.

Publisher: Schaeffler Technologies AG & Co. KG

 
Reconditioning of Spherical Roller Bearings in a Drying Cylinder
Reference / GTS | 2013-12 | GTS 0075 | English

Reconditioning of Spherical Roller Bearings in a Drying Cylinder

he customer is a renowned plant construction company which designs and modifies machines and plants for the pulp and paper industry. Challenge for Schaeffler: The plant construction company was assigned to refurbish a paper machine that was built in the 1950s. This work included the reconditioning of the bearings. Since the spherical roller bearings that supported the drying cylinder were not produced anymore, the customer asked the reconditoning team of Schaeffler to recondition the old bearings.

Publisher: Schaeffler Technologies AG & Co. KG

 
Cost Savings through Changing to an FAG SACR Bearing
Reference / GTS | 2013-03 | GTS 0032 | English

Cost Savings through Changing to an FAG SACR Bearing

Visy Pulp & Paper is one of the world‘s leading packaging, paper and recycling companies. 98 percent of the recycled paper is a post consumer waste product. Challenge for Schaeffler: As the dryer section tender side bearings were prematurely failing due to lubrication issues, Visy requested assistance from Schaeffler Australia. To solve the problem Schaeffler‘s proposal was to replace the original toroid roller bearing with an FAG SACR bearing with centre feed lubrication.

Publisher: Schaeffler Technologies AG & Co. KG

 
Saving Costs by Reconditioning of Hybrid Deep Groove Ball Bearings
Reference / GTS | 2012-08 | GTS 0005 | English

Saving Costs by Reconditioning of Hybrid Deep Groove Ball Bearings

The customer is a leading player in the international paper market. The portfolio comprises newsprint and book paper, magazine paper, fine paper, consumer board, industrial packaging and wood products. Challenge for Schaeffler The customer uses hybrid deep groove ball bearings (made up of ceramic balls and steel rings) in his spreader rolls as these bearings offer numerous advantages, like less lubricant consumption or higher speeds. Although the initial costs of these bearings are significantly higher than those of standard bearings, they still are cost-effective if all influencing factors are taken into account.

Publisher: Schaeffler Technologies AG & Co. KG

 
Vibration Diagnosis for Failure Detection on a Paper Machine
Reference / GTS | 2012-08 | GTS 0004 | English

Vibration Diagnosis for Failure Detection on a Paper Machine

The customer is a Spanish cardboard manufacturer with an annual production capacity of 80 000 tons and sales of 25 million euros. Challenge for Schaeffler A high plant availability is a key factor for profitable business in paper mills. Unplanned shutdowns cause expensive losses due to production stoppages. In the plant in Northern Spain the customer experienced about four unplanned shutdowns each year.

Publisher: Schaeffler Technologies AG & Co. KG

 
Cost Reduction through condition-based Maintenance
Reference / GTS | 2012-08 | GTS 0003 | English

Cost Reduction through condition-based Maintenance

Industrie Cartarie Tronchetti (ICT) is a paper company with manufacturing sites in Italy, Spain and Poland. With seven plants, ICT has achieved sales around 400 million euros in 2007 / 2008 and an annual growth of 18 percent. Challenge for Schaeffler Due to the high technical requirements of a paper plant ICT wanted to introduce condition-based maintenance on its Spanish site. Thus, the company was looking for a partner who could fulfill this demanding task.

Publisher: Schaeffler Technologies AG & Co. KG

 
The ”ideal Floating Bearing” for a highly loaded  Calender Roll
Reference / GTS | 2012-08 | GTS 0002 | English

The ”ideal Floating Bearing” for a highly loaded Calender Roll

The Finnish customer produces magazine papers, newsprint, fine and specialty papers, as well as converted products and wood products. Challenge for Schaeffler Shortly after the paper machine was first put into operation, several bearings in the thermo rolls of the soft calender failed. Investigations showed that the main cause of these failures was the axial load that acted on the bearings. Due to this axial load, the two rows of rolling elements were loaded unevenly; as a result, bearings were failing prematurely.

Publisher: Schaeffler Technologies AG & Co. KG

 
Coated Rolling Elements to avoid Slippage Damage in Calender Bearings
Reference / GTS | 2012-07 | GTS 0001 | English

Coated Rolling Elements to avoid Slippage Damage in Calender Bearings

Metso Paper, Inc., Finland

In 2004, the Finnish manufacturer Metso Paper, Inc. has delivered the PM 19 paper machine to Shandong Sun Paper Co. Ltd. in China. Challenge for Schaeffler: The calender consists of two pairs of rolls that are arranged one behind the other. In the top roll position, a combination of low loads and insufficient lubrication can cause damage to the raceways. The risk of slippage – and thus the risk of slippage damage – had to be reduced.

Publisher: Schaeffler Technologies AG & Co. KG