search.noResults

search.searching

saml.title
dataCollection.invalidEmail
note.createNoteMessage

search.noResults

search.searching

orderForm.title

orderForm.productCode
orderForm.description
orderForm.quantity
orderForm.itemPrice
orderForm.price
orderForm.totalPrice
orderForm.deliveryDetails.billingAddress
orderForm.deliveryDetails.deliveryAddress
orderForm.noItems
FOOD & BEVERAGE


intense production demands, longer running times and more corrosive environments, all of which are putting machinery components like bearings under more pressure – especially in heavy duty equipment with high radial and axial loads. Until recently, the bearing industry has


NO LONGER THE FORGOTTEN CRITERIA L


ike many sectors, the food and beverage manufacturing and packaging industries are experiencing


been unable to engineer a bearing capable of withstanding significant axial loads in a way that minimises downtime and delivers reliable machine performance. Now, thanks to a period of intense innovation, axial load is no longer the forgotten criteria.


Understanding forces: axial and radial There are two main types of load. Radial load refers to the loads acting at right angles to the shaft, and axial loads are applied parallel to the shaft in both directions. While many bearings are designed to handle either axial or radial loads, high-load applications in heavy side industrial applications often require a combination of the two - a requirement that, due to limitations in manufacturing, has been left largely unmet. To best serve the needs of high-load


applications that have both types of forces in play, many bearing manufacturers and OEMs will use a combination approach - using a pair of bearings to accommodate the load in each direction. The shortcomings of this method mean more space requirements within the machinery - increasing its overall footprint on the factory floor - as well as potential complications with both assembly and access for ongoing maintenance. While there is an increasing number of


bearings on the market that are designed to handle both radial and axial loads, they work by inclining the radial elements to give some axial capacity. In doing so, they trade off radial capacity for axial - a solution that limits the axial load capacity, limiting application usage or putting the bearings at risk of failure.


Strength and rigidity Both radial and axial load specifications directly relate to the strength and rigidity of the bearings, shaft, and overall machinery. Exceeding these specifications in an application with a high axial load may result in damage to the bearing and have a different impact on efficiency. In fact, studies suggest that exceeding either radial or axial load specifications by 10% may reduce the lifespan of the components by about 1,000 hours - as well as running the


Ian Breeze, technical director at Bowman Advanced Split Bearings, explores bearing specification improvements for high-load machinery in the food and beverage industry


very real risk of unplanned downtime. For applications with a high axial load, these solutions are far from ideal. Recent innovations in the manufacture of


split roller bearings, and the use of additive manufacturing to create more complex component geometries, are allowing bearing manufacturers to accommodate axial or multidirectional loads as a primary consideration, extending system life and reducing downtime.


With no need to invest in expensive tooling, or


set up traditional manufacturing production lines, it is possible to experiment with design features in a way that simply wasn’t possible previously. For Bowman, the technology has facilitated the creation of a bearing that offers a substantial increase in axial and radial load capacity, as well as increased durability, functionality and turnaround time. In a standard split bearing design, the rollers


run against the outer race lips and clamp rings on the inner race assembly of the bearing, creating stress, friction, and a lower tolerance for axial loads. Using engineering-grade 3D- printed Nylon-11 and the latest printing technology, the company has been able to create a bearing design that removes the axial locating lips from the bearing outer race. This means that the radial roller length, as well as the actual number of rollers, can be increased - giving both a higher load capacity and an approximate increase of x5 radial L10 life.


1000% increase in axial capacity By adding axial roller and cage assemblies to their design, Bowman has overcome the issue of reductions in axial load by using three sets of rolling elements to allow independent handling of the radial and bidirectional axial loads. The design incorporates the usual benefits of a split bearing system - including bearing changes of up to ten times faster than solid bearings - while increasing the radial capacity by between 25%- 75% and the axial capacity by 1000% compared to standard solutions.


The Advanced Split Bearing assembly has been designed to promote ease of use and flexibility


34 JULY/AUGUST 2021 | PROCESS & CONTROL


Bowman Advanced Spilt Bearings www.bowmansplitbearings.com


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52  |  Page 53  |  Page 54  |  Page 55  |  Page 56  |  Page 57  |  Page 58  |  Page 59  |  Page 60  |  Page 61  |  Page 62  |  Page 63  |  Page 64  |  Page 65  |  Page 66  |  Page 67  |  Page 68  |  Page 69  |  Page 70  |  Page 71  |  Page 72  |  Page 73  |  Page 74