Timken

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 Features

Solid block bearing units are good as gold

When it comes to performance in punishing environments, the Timken® spherical roller bearing solid-block housed units are as good as gold. Which was certainly the case when Michael Greelish had these units installed in a Queensland gold mine. “These unitised housings have multiple features that make them a great choice for conveying applications in the mines and quarry sector,” says the National Segment Manager for Mines, Quarries and Resources at CBC Australia. “In the case of the gold mine, we began using them on their tail drums due to failures from contamination with their previous standard bearings. The Timken units have been so successful that they’ve now installed them on all the head and gravity take up pulleys.” The solid-block housed units are literally solid-blocks of steel that have been designed to eliminate the risk of bearing contamination. “These units are completely sealed off and come pre-assembled – unlike standard bearings which are supplied in separate components, the bearing, housing and sleeve is all included,” Michael explains. “With standard bearings, if you need to install or have to replace them, you need to remove all the componentry, and on mining or quarry sites, that means you’ve got maintenance staff trying to fit them on conveyors in difficult conditions. All it takes is one small gust of wind and the dust blows in and contaminates the bearing while you’re trying to fit it.” The Timken® spherical roller bearing solid-block housed units remove this risk. Read More
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 Features

SOLID-BLOCK HOUSED UNITS call for solid training

As far as bearings go, the Timken® Solid-Block Housed units are famous in heavy industry, renowned for their seemingly unbreakable solid cast steel housing and ease of installation. However, industry expert Brad Kemp wants to remind readers that these are highly specialised products, which do require an understanding of the internal componentry in order to be fitted correctly. Brad is the Senior Service Engineer for Timken Australia and has been partnering with CBC representatives to organise proactive training sessions with customers to assist with the Solid-Block Housed unit installation. “The Solid Blocked Housed unit is usually ordered by the engineers who love the concept,” he says. “They order it, the maintenance guys receive it without proper training and then there is frustration with the product. Often the instructions get overlooked or just end up in the bin.” Brad points out that if instructions are not followed accurately, the bearings could become damaged prematurely. “If maintenance teams have not been trained up properly, then a lot of times they will start to do guesswork and make assumptions, which is what we want to avoid,” he explains. “Rather than have reactions from customers who are disappointed that the bearing they ordered was incorrectly installed, we aim to ensure that the engineered componentry, the locking options and the installation process is understood by everyone on site,” he adds.
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Features

A change in perception: Building a case for raw edge belts in iron ore

Throughout his years of experience as power transmission engineer with CBC Australia, Tony Voiklis has concluded that raw edge, or cogged, v-belts were not ideal for applications in harsh environments. That perception took a 180-degree turn when he learned about the superior performance of the Carlisle Power-Wedge Cog-Belt by Timken. As manager of power transmission applications in South Australia and Northern Territory for Industrial Solutions Australia – the largest distributor of power transmission products in Australia and CBC’s parent company – Tony often engages with sales teams across the Industrial Solutions Australia business network to provide them with product training.  The solution Tony says he often recommended to his customers and sales teams for drive belts in harsh conditions was to upgrade to heavy-duty or wrapped v-belts. While this ensured longevity under harsh conditions, these belts could be substantially dearer in cost compared to the raw edge Carlisle Power-Wedge Cog-Belt.  “Our experience with other brands of raw edge cogged belts was that when contaminated with dust and dirt in harsh applications, such as those in mines and quarries, these belts heated up quickly, which made the rubber material hard and brittle. This further increased risk of premature belt failure and created other problems such as the belts slipping excessively,” says Tony. Read More
News

An engineering taskforce

As mining companies look to get the most out of their equipment, Inenco Industrial Solutions is leading the way in innovation through its engineering arm.
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