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FEAT RE FEA ATURE


BEAR


EARING S MAX rtin


MAX MIAXIMISE OP RA IN


order to exploit the f Martin Wakellinin, sales director at Carter M nuf cturi , sales d recto


The collective result of these factors is that by using a roll stake tri-roller


swaging tool, the bearing is better seated in the housing, better able to perform its function and less likely to be damaged.


BEARING NSTA


he correct installation of bearings can save time and dramatically increase the life of the bearings, as well as maximising the availability of critical plant and machinery by avoiding costly breakdowns. The key here is to ensure that the appropriate tools for the


T


mounting of the bearings are on hand for the engineer at the installation/assembly stage Using the correct tools ensures that bearings are mounted easily and quickly without causing damage to the bearings, or surrounding equipment, and in a safe and reliable way Issues such as abrading gauges and micro-cracks


.


can result from , sheared edges, .


using more basic tools. These issues primarily arise because the forces used for anvil staking tools and the


magnitude of material stress are much greater when compared to tri-rolle r swaging tools, which stress the material much less by causing it to deform in small increments, rather than forcing a large change in one movement.


BEARING I INSTALLAT ALLA ION OOL ATION TOOLS


A number of different bearing swaging, cutting and installation/removal tools are available as well as proof-loading and breakaway torque testing tools for the correct installation, testing and removal of grooved or plain spherical bearings, sleeves and housings. These tools can be used to complete various operations such as bearing swaging, bearing spinning, roller swaging, bearing staking, ball staking, anvil staking, chisel staking, V- groove staking, proof-loading and load testing If a particular tool is not


.


available from stock, some suppliers can provide custom-engineered bearing tools on rapid deliveries for specific bearing installation tasks.


TRI ROL ER SWAGING OOL RI-ROLLER SWAGING TOOLS


Tri-roller or roll stake swaging tools have been developed as an improvement to the traditionalmethods of Anvil or two-wheel swaging. These tools offer the advantage of allowing the three rolling elements in the tool to better contact the V-groove surface of the bearing at the correct


into the housing angle, allowing t


he V-groove to fold over . Traditional two-roller


Miniature poriMniature portab e swaging tool


swaging tool ablel CUTTER OOL CUTTER TOOLS


Accurate removal of a bearing from its housing is just as important as correct installation. Cutter tools are specifically tailored to each bearing size in order to remove only the bearing itself, with minimal or no damage to the housing. V-groove bearing cutting tools, for example, should be designed to work by cutting down into the swaged V-groove cut into the V-


groove of the bearin of the bearing. This


bearing lip that was


swaged against the g weakens the


housing so that it collapses easily into the bore when the bearing is pressed out. The cutting tools should be designed in such a way that the cutter only cuts the bearing and therefore preserves the integrity of the housing .


INSINSTALLA ALLATION ATION & REMOVAL OOL Installation and removal tools are


Portable break awayor able break away torque test tooltorque test tool


10 10 FE FEBRUAR 201UARY 2017 | DES ESIIGN SOLU SOLUTIONS NS


designed to insert and position a bearing accurately prior to swaging and to carefully remove the bearing once the swaged lip has been removed. The tool keeps the bearing perpendicular to the housing to ensure that the housing is not


/ DESIGNSOLUTIONS DESIGNSOLUTIONS REMOVAL TOOLS IN CRITICITICAL APPLIC


theym st be cor ectly i stal ed by usi g the appropr ate tools. The eper ussions of a poor ym unted bearing can be catastrophic, says Carter Manufacturing


In order to exploit the full potential that bearings have to offer, they must be correctly installed by using the appropriate tools. The


potential that bear gs have to of er


OPERAT NG LATING LIF E ICATIO


IONS


repercussions of a poorly mounted bearing can be catastrophic, says fromthe bearing’s outer ring V-groove against the housing in order to locate it precisely and securely.


Roll stake or Tri-roller tools are


typically available in either drill-press or portable style. Both are normally supplie


d with both primary these types of tools


and secondary swage locating anvils.


and Anvil tools can cause damage to the V-groove lip. The Tri-roller tool uses a combination of downward pressure and roller rotation. The rollers pushmaterial


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