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Vesconite Success Stories

‘Vesconite is now used globally in our airboats, with excellent results’
South Africa
"We manufacture airboats, which utilise an engine, gearbox and large wind turbine. These boats are used in flood relief, disaster management, environmental clean-ups, anti-poaching missions, border patrol and oil and gas exploration in Africa, the Middle East and Asia. The boats previously used nylon dampers encased in stainless steel tubes, as supports for the engine, gearbox and propeller system. Due to the constant vibrations and strain, these tubes cracked continually. A new disc and cup system was designed to replace the tubes and Vesconite was our material of choice. With its excellent low-friction properties, easy-to-machine qualities and ability to work well in salt and fresh water, Vesconite is now used globally in our airboats, with excellent results."
‘This product withstands the most extreme conditions…’
Jonathan von Biljon
South Africa
"We use Vesconite for many applications, ranging from radial doors in mines to moving components on outdoor gyms. This product withstands the most extreme conditions, from harsh chemicals to dust, water, grit and mud, performing well under load and showing minimal wear or failure. On our outdoor gyms for instance, we use a Vesconite bushing combined with a stainless steel pin, which has withstood the exposure even in coastal conditions, an application where brass bushings failed dismally. Vesconite out performs any other product we have ever used before, and remains our first choice for all bushings and bearings."
‘No signs of deformation or stripping … Machinability was fantastic’
Jonathan Oldnall
South Africa
"As part of a university project, I designed and built an underwater gripper for a submersible ROV. The gripper needed to operate in salt water at a depth of up to 400m and at 40 bars of pressure. A key component on the gripper was a power screw and traversing nut arrangement, which was initially made from stainless steel. The salt water and co-efficient of friction between the stainless steel screw and nut did not produce good results, leading to the use of Vesconite for the nut component. The Vesconite nut was the force actuator on the gripper and was tested to exert a clamping force of 150kg with no signs of deformation or stripping! Further to the nut, I used Vesconite as bushes and washes at all interfaces between aluminium and stainless Steel to prevent galvanic corrosion on the device. Vesconite's machinability was fantastic in these unique designs of washers and capped bushes. The gripper performed brilliantly and served two years as the first prototype for the ROV."
‘It is a fantastic material…’
Nardus Koekemoer
South Africa
"We are a biomedical design company designing and selling medical devices worldwide. One of our devices used to monitor kidney function contains a bag which is mechanically clipped to a urine tub, using a specifically designed machine that pulls the tub and bag together under force and makes sure that the two mating surfaces 'click' in place. During this clipping process, the machine applies a force of over 100kg onto two brass bushings. This functions as a bearing, allowing rotational movement in the horizontal plane. No lubrication can be added to the bushings once assembled. Both the brass bushings and needle bearings failed and seized after less than four weeks. Vesconite was chosen as an alternative, and the company engineered and supplied the replacement bushings. After six months the bushings were still functioning perfectly and on removal for inspection showed no signs of wear at all. They were refitted and are still in use five months later. It is a fantastic material and we have subsequently used Vesconite as a replacement for other medical equipment which we design."
‘The result has been excellent’
Andre van Deventer
South Africa
"Our company designs and manufactures composite helicopter blades up to 8 meters in length. These blades operate in wet and dry temperatures ranging from -25ºC to 45ºC. The interface between the blade and the rotor head adapter, as well as the interface between the blade adapter and the rotor head consists of bonded Vesconite spacers. Vesconite was selected on the basis of its self=lubricating properties and ability to prevent fretting. The result has been excellent."
‘The best possible material for rudder bearings…’
Aleksandras Kaliberda
Ireland
"I have used Vesconite Hilube as the material of choice for my sailboat rudder, which is constantly submerged in salt water. The previous material used distorted due to water absorption. The rudder has been fitted for some time now and shows no sign of distortion or expansion, plus the fact that it is self-lubricating makes it the best possible material for rudder bearings and certainly lasts far longer than the alternatives."
‘The Vesconite bushes showed no signs of wear…’
Bill Martin
South Africa
"As an engineer I was deployed to a Dolerite stone quarry, hard pressed to keep up production to feed the local demand. The nature of this particularly hard stone was taxing on the machinery involved, which ran non-stop for 16 hours per day. The swing arm jaw crusher in particular, with its 8-ton swing arm needed to be removed by hand every 2 weeks with a block and tackle to replace the 250mm diameter phosphor bronze bearings that it pivoted on. Vesconite was called in to design and manufacture replacement bushes, which were fitted on the next shut down. After 6 weeks of continuous running, the Vesconite bushes showed no signs of wear, and with far less lubrication involved it resulted in a 15% increase in production. The bushes were only replaced after a year of use."
‘Vesconite drastically reduced the sliding abrasion…’
Jan-Hendrik Hollenbach
South Africa
"Our company undertook the redesign of a 3 ton scissor-lift utility vehicle, which works under extreme conditions in hard rock underground mining operations. The main pivot point on the scissor-lift wore out prematurely, due to the difficulty in accessing grease points for lubrication, which resulted in infrequent greasing of the phosphor bronze bushes. The machine's pivoting mechanism was redesigned to accommodate a shouldered Vesconite bush. Vesconite drastically reduced the sliding abrasion between the scissor-lift arms, increasing the pin’s life and saving considerable costs. Downtime has also been significantly reduced due to Vesconite not requiring regular lubrication."
‘We have switched to Vesconite in our water purification plants’
Lindsey Quentin
South Africa
"We have switched to Vesconite Hilube in our water purification plants. The original bronze bushings fitted to our screw conveyers, lime feeder plants and floc feeder plants, all operate under extremely harsh conditions, such as sand an grit mixtures. The bronze bushing required replacement every two weeks, while the Vesconite Hilube replacements, handle these conditions faultlessly and only require replacement every six months. The cost saving due to the lubrication-free qualities of Vesconite has also be notable."
‘The results have been outstanding…’
Hannes Labuschagne
South Africa
"We have used Vesconite Hilube 20 on our diesel locomotives. The results have been outstanding, with a marked reduction in stick-slip between the axle box of the wheel and the Vesconite pedestal liner. The movement of the wheel set is now far more controlled. The original steel liners resulted in high wear, due to the steel-on-steel contact with the axle box, which meant costly and regular maintenance. There is also a noticeable reduction in rolling resistance, which again creates a saving due to less power required to haul the train along and lower wear rate on tracks."
‘Vesconite has been the best choice of material ever’
South Africa
"When building a 40ft yacht, I investigated many ways to bush the main rudder shaft and decided to move from the norm brass bush to a Vesconite bush. The Vesconite bush is a large single bush, length 240mm, OD 101.5mm, ID 77.3mm. Vesconite has been the best choice of material ever. The bush drives the main rudder blade and is submerged in sea water moving the rubber back and forth as it controls 13 tons of yacht through tough ocean conditions. I sailed with my young family on the Vaal Dam, then moved the yacht to Simons Town where we completed in the Saint Helena Race, a 2000 nautical mile journey across the Atlantic. I have since sold the yacht to its new owner, who has now completed more than 20 000 nautical miles. She is now been prepared for a trip to Chile. The Vesconite bush on her rudder is still 100%."
‘Outlives any of the alternatives available.’
Aleksandras Kaliberda
Ireland
"We used Vesconite Hilube on a sail boat rudder, submerged in salt water. Acetal was used previously, but Vesconite does not absorb water and does not expand. With the benefit of self-lubrication, Vesconite is the best possible material for rudder bearings, and outlives any of the alternatives available."
‘The ease of fitting and durability of Vesconite have been excellent’
John Wood
United Kingdom
"We replaced the white metal bushes on our steam rail locomotive with Vesconite bushes. The ease of fitting and durability of Vesconite have been excellent. We are now in the third cycle of savings, plus reduced oil use and resultant pollution. As a voluntary operation, Vesconite has been a great investment for us in engineering costs. We are looking to expand the use of Vesconite into other areas of our steam locomotive operations in the United Kingdom."
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