htweight aluminum conveyor rolle

2021/05/21

Lightweight aluminum conveyor rollers weigh less than steel rollers and are commonly used in unpowered (gravity-flow) conveying applications where the conveyor will be disassembled, moved, or reconfigured frequently. Whatever your material handling needs, lagging is added to a pulley or roller to increase friction. As shown in FIGS. As shown in FIGS. Each bearing insert means includes a circular opening coaxial with the roller. In addition, the diameter of shaft 50 and especially bearing contact surface 52 of that shaft could be increased for longer life since a larger diameter will result in less overall wear on the shaft. The rear surfaces within the rollers of all three plug ends 28, 28' and 28" are recessed for weight reduction and material saving purposes. Central opening 42 includes generally axially extending, side surfaces which are radiused or curved and annular such that the opening is bell-mouth shaped on either end and has a minimum diameter at the center of the insert (diameter "B" in FIG. As compared to previously known structures, the present assembly is less expensive to build while retaining corrosion-resistant properties and high load capabilities while maintaining low-friction, low-drag characteristics. These sprocketed heavy-duty conveyor rollers are used to replace or upgrade the rollers on heavy-duty chain-drive conveyors. Whether youre looking for flange bearings, pillow block bearings, or beyond, our bearings can take the punishment of daily use and are virtually maintenance free. Most rollers ship within one week as standard and we offer expedited shipping for rush orders. As shown in FIG. F.E.I., Inc offers many styles of rollers for Wash-Down and traditional warehouse applications. The elimination of any recesses extending inwardly from the outer surfaces of plug end 28" eliminates further areas where contaminants might be retained.

The rollers let loads roll from one place to another, reducing the effort it takes to move the loads. The conveyors are built from our standard designs or custom engineered to meet the needs of most every application. 2. 1 and 2 illustrate a typical conveyor application of the roller assemblies 20, 60 and/or 70 of the present invention wherein the rollers are secured parallel to one another at spaced positions along end supports to form a gravity roller conveyor 10. Please contact FEI for support. Get a glimpse into how the experts at Rolcon are able to cater to the needs of a diverse list of industries. Since 1988 Rolcon has been one of the leading manufacturers of conveyor rollers manufacturing a broad range of roller sizes and serving a wide range of industries. Use of a separate bearing insert formed from wear-resistant, corrosive-resistant, preferably organic, polymeric plastic enables lower assembly cost, greater durability and longer life than certain prior roller assemblies without external lubrication inasmuch as the self-lubricating insert is engaged by a stainless steel shaft which itself is wear and corrosion-resistant. 10 is a sectional view of a modified form of the bearing insert including a bottom wall integral and in one piece therewith; and. Conveyor rollers are used in roller conveyors and material transport stands to support and move bulky items. FEIs specialized overhead trolleys are built for high-volume production and durability. 8. Please read our Privacy Policy for full details. Important properties of the above support arrangement will now be understood. Whether your requirements are large or small, we have the capabilities to meet your needs. The roller assembly of claim 2 wherein the sides of said circular bearing insert opening have a cross-sectional shape of a portion of a circle and form a bell-mouth opening at each end surface of the insert, the minimum diameter between said sides being at the center of said insert. Plug end 28 thus fits tightly within and completely closes and seals the end of roller 22 leaving no cracks or crevices into which contaminants can enter and buildup. When that happens, youll need to ask yourself some questions is it better to replace your conveyor rollers or have them repaired? Conveyor rollers are used in roller conveyors to support and move items on the conveyor. A roller assembly for roller conveyors comprising: a roller having a central axis and opposite ends, each end having a central opening coaxial with said roller; a bearing insert received in each of said central openings, each insert including a circular opening coaxial with said roller for receiving and being rotatably supported by a cylindrical support shaft and retaining means on the outer periphery of said insert for preventing axial and rotational movement of said bearing insert in said central opening, said circular bearing insert opening having an annular, radially inwardly convex, curved surface defining a minimum diameter and larger diameters on either side of said minimum diameter and providing a bell-mouth shape facing outwardly of said roller end, said circular bearing insert opening adapted to receive and cooperate with a cylindrical support shaft to enable low friction, low drag rotational support of said roller assembly even when deflected under load in operation; a bottom wall in at least one of said roller central opening and said bearing insert opening at each end of said roller for closing the roller assembly and providing a thrust resisting surface. Moreover, the metal-plastic combination of stainless steel supporting and around which a Delrin 500 CL plastic journal bearing rotates is a low-friction combination requiring little or no lubrication having along life and producing minimal wear. The outer circumferential surface of the roller 22 is flush with the outer surface of flange 32. Disc 66 provides longer and more durable thrust bearing capabilities for the roller assembly. Alternately, a modified form 40' of insert 40 could be used with plug ends 28" or roller 22' including through openings 34a". 5. Several styles are available and customized for your application. Like embodiments 20 and 60, however, the curved engaging surfaces 42 of insert 40 facilitate proper rotational movement even under load by allowing pivotal movement of plug end 28" should the deflection be more than can be accommodated by the reduced thickness area 74 of the plug ends. Conveyor rollers are used in unpowered (gravity-flow) roller conveyors, powered roller conveyors, roller-bed belt conveyors, and material transport stands to support and move bulky items such as boxes and totes. Further, the prior structures have not always been well-suited to resist axial thrust exerted along the axis of the roller while also adequately rotationally supporting the roller. 1 is a fragmentary, perspective view of a gravity roller conveyor utilizing roller assemblies of the present invention; FIG.

These rollers have sealed precision ABEC1 bearings that provide tighter tolerances, more weight capacity, and quieter operation than standard bearings. The rollers let loads roll from one place to another, reducing the effort it takes to move the loads. In addition, the curved surfaces enable cleaning fluids and steam to penetrate the bell-mouth opening 42 to the bottom wall of the plug end, roller or bearing insert or thrust disc 66, as explained below, and clean out any undesired contaminants. 19. The roller assembly of claim 22 wherein said plug end includes an annular recess concentric with said roller axis providing a reduced thickness area facilitating flexing of said plug to permit proper bearing contact when said roller is loaded. Alternately, plug ends 28, 28', 28" could be molded around insert 40 including projections 44. The Delrin 500 CL inserts are harder, more wear-resistant, and have a higher pressure vs. velocity factor than PVC and yet are easily molded to include projections 44. The rollers' smooth plastic covering won't damage these products, and it also reduces noise and provides more traction than rollers with a smooth metal surface. Conveyors manufactures many styles of powered conveyors for Wash-Down and traditional warehouse applications. Delrin 500 CL is a self-lubricating, acetal, homopolymer resinous plastic. In the preferred embodiment, stainless steel support shafts are journaled in preferably organic, polymeric plastic bearing inserts to provide a rotational and thrust-bearing support which reduces or eliminates the need for external lubrication, is less expensive and more durable than prior known journal and ball-bearing type conveyor rollers, and yet is easily assembled, disassembled, or adjusted in place. 4. Access My Account, Order History, Lists and more here. 3, received in each end of roller 22 is a circular plug end 28 including a cylindrical inner body 30 having an annular, larger diameter outer flange 32 which abuts the planar end surface 26 of roller 22. 9 is a fragmentary, sectional, side elevation of a third modified embodiment of the roller assembly of the present invention; FIG. Conveyor materials are available in stainless steel, PVC, UHMW or mild steel. 8 is an end elevation of the roller assembly shown in FIG. The roller assembly of claim 9 wherein said plug ends are formed from a corrosion-resistant, organic, polymeric plastic; said bearing inserts being formed from a corrosion-resistant, organic, polymeric plastic which is harder and more wear-resistant than the plastic of said plug ends. document.write(new Date().getFullYear());2018 16.

18. 4 is a perspective, exploded view of the roller end plug and bearing insert prior to assembly; FIG. They also provide an inexpensive alternative for sanitary, wash-down, and/or corrosive environments. Sign In to access your account information. F.E.I. These rollers can be used to replace or upgrade the existing rollers on compatible conveyors or stands. 513-821-7259, Toll Free: Annular opening 62 tapers inwardly from the larger opening at the end surface to facilitate cleaning and forms a reduced thickness annular section 64 spaced inwardly and radially outwardly of the end 53 of shaft 50. They are typically used for conveying heavy loads such as pallets, drums, and castings. The product will be reserved for you when you complete your order. At least one of the roller end opening or the insert at each end includes a bottom wall closing off the roller interior and providing a thrust resisting surface. The extreme, inner end surface 53 of shaft 50 is convexly outwardly curved, preferably in a spherical shape, and engages the bottom wall 36 of plug end 28 to resist axially exerted forces or "thrust" forces along the roller. The roller assembly of claim 1 wherein said central opening at each roller end is blind and extends only partially through said roller end to said bottom wall; said bottom wall being formed integrally and in one piece with said roller end. Further, in a preferred form, the bearing insert opening has an annular, radially inwardly curved surface defining a minimum diameter and larger diameters on either side thereof. Although such conveyor rollers have been easier to clean, the use of organic plastic corrosive-resistant parts made from such materials has often reduced the load rating of such conveyor rollers as compared to prior all-metal or steel roller assemblies. Our products are able to withstand the strain that any industry can throw at it, and we are able to customize conveyor parts to perfectly fit the systems your trade requires. Conveyor rollers are used in roller conveyors and material transport stands to support and move bulky items. 6 at the center of the insert opening 42, for example 0.325 inches. 23. A roller assembly for use in gravity roller and power roller conveyors, especially those used in sanitary applications such as for food processing and the like. 10. The roller designs combined with our exclusively processed Lubra-Tuf material offer an excellent alternative to conventional ball bearing rollers in harsh environments. In other aspects, a pair of support shafts, which are generally cylindrical, are retained one in each bearing insert. With light loads, the bell-mouth opening 42 provides such approximate planar contact and thus low torque and drag. High-durability steel conveyor rollers have a higher weight capacity and provide more resistance to impact, shock, and abrasion during conveying tasks than general purpose steel rollers. Preferably, the inserts receive stainless steel support shafts which have rounded ends engaging the bottom wall to resist axial thrust on the roller. [], One way to maximize the productivity of a conveyor system is lagging. The closed nature of the present invention prevents contaminants from building up within the roller assembly and enables ease in cleaning of the roller and the bearing-support areas. As shown in FIG. The roller designs combined with our exclusively processed Lubra-Tuf material offer an excellent alternative to conventional ball bearing rollers in harsh environments. Although PVC is preferred, other lightweight, corrosion-resistant materials, including some metals such as aluminum, could be used. Otherwise, embodiment 60 is the same as embodiment 20 described above. The retaining means on the bearing insert preferably include spaced, tapered fins which include sharp edges for engaging the sides of the central opening to retain the inserts against axial and rotational movement. They are suitable for conveying applications in facilities that process food, chemicals, or pharmaceuticals. We are open and happy to help you with all of your Roller and Conveyor Service needs. 1-800-486-2472. These rollers can be used to replace or upgrade the existing rollers on compatible conveyors or stands. The diameter of the shaft is closely matched to that of the minimum diameter of the insert opening and the shaft includes a convex, curved end which engages the bottom wall to resist thrust along the roller axis. transfer pallet cart conveyor system chain systems conveyors drag belt carts shrink wrappers