caravel-bearings

51st Genova Boat Show

2011-09-08T23:37:00.000-07:00

Caravel will take part to the 51st edition of the Genova Boat Show (1-10 October).
You can visit our stand (M19 nel Padiglione C - Atrio Superiore).
There you will find our new plastic bearings, a valid alternative to resin. You can also see our usual products, such as brass and rubber bearings, aluminium bearings and the three puller-fitter models.
A short clip will explain the advantages of using this wonderful machine.
You can also ask for technical documents and details and see non standard bearings planned for pumps and turbines.

Plastic and rubber bearings

2011-09-05T05:56:00.001-07:00

According to the clients' requests and suggestions, Caravel has now developed a new rubber bearings line, with outer shell made of PVC.

It is a plastic material fit for marine application.

A valid alternative to the resin, these bearings can be provided in a very short time.

If compared with other materials, their prices are considerably lower.

These bearings have been designed and manufactured following the prescriptions and requirements of well known quality standards about reliability, duration, materials etc.

Do not hesitate to call us to ask for an offer.

The new T40 bearings puller fitter prototype now ready

2011-01-10T06:49:00.000-08:00

Following the very good results achieved by the bearings puller fitter T08 (for bearings with inner diameter not greater than 45 mm) and T13 (for bearings with inner diameter not greater than 80 mm), Caravel has tested the prototype of the T40 model.
This new machine can be used to mount and dismount bearings for shafts with a diameter from 80 to 130 mm (bearings’ outer diameter from 100 to 160 mm).
The thrust it can apply reaches 40,000 kilos.
It can be used to remove old and damaged bearings and to mount new ones on luxury boats and ships with very large dimensions, saving time and labour and in a completely safe way.
Its mechanism does not change if compared with the two smaller models: it is provided upon request with its hydraulic pump and a jack (which is very important, as the machine is very heavy).
Write or call us for more detailed information.

Caravel at the 50th Genoa Boat Show

2010-09-20T05:59:00.000-07:00

From thirty years up to the present Caravel takes regularly part in one of the most important important event for maritime industry, the Genova Boat Show.

This year our stand will be located in Pavilion C - Atro Superiore - Stand M19.

By our stand it will be possible to see the new T40 puller - fitter model, a giant machine which can work with shafts from 80 to 130 mm, to dismount old bearings and to replace them in a quick and safe way.

This product is included in the "What's new" section on the Boat Show's web site (here the link).

By our stand you can also see the smaller models of puller-fitter (the T08 and T13 models with thier kits) together with our series of bearings in millimeters and inches, with outer shell in brass, bronze, aluminium, stainless steel, with straight or spiral grooves.

Technical documents about our products will be available for our customers (price list and technical specifications).

Caravel Quality system updated to ISO 9001:2008

2010-09-15T01:19:00.000-07:00

Caravel has updated the Quality certification to the 2008 edition of the ISO 9001 standard.
Caravel's experience and reliability is continuously verified by an external and prestigious provider of certification services, the Lloyd's Register company.
The official certificate can be downloaded from our web site.
We can also provide, upon request, a document which testifies that Caravel is now certificated according to the ISO 9001:2008 standard.
Besides, our customers are always encouraged to visit our workshop and to meet our staff.

Puller-fitter: shaft lines which mount struts with astern side final stop

2010-04-16T05:44:00.000-07:00

A small percantage of shipyards still manufactures shaft lines with struts which have a final stop on their stern side in order to stop the bearing when the ship is moving.
In our opinion this stop has no real technical or mechanical reason as a correct outer diameter tolerance fix the bearing into the strut.
When you have to repalce the bearing you cannot use the puller-fitter: the only way to remove the bearing is to saw it and to twist the outer shell to pull it out.
In presence of this particular type of strut, this operation must be repeated for every periodical bearing replacement.

New puller-fitter: the giant T40 model

2010-03-24T08:55:00.001-07:00

Caravel is now preparing the new puller-fitter T40 model. This machine, a true giant among the puller-fitter models, will be fit to work with shafts with diameter between 80 mm and 130 mm.
Mounting and dismounting bearings from big shafts will be easier than ever.
Technical details and information will be published on the web site as soon as possible.
We invite you to contact us for information and offers.

Caravel at the 49th Genoa Boat Show

2009-09-21T01:45:00.000-07:00

Caravel will be present at the next Boat Show in Genova (3rd - 11th October).
Our stand is located in Padiglione C - Atrio Superiore - Stand M19.
By visiting our stand you can personally see and verifiy our new puller-fitter for hydrolubricated bearings, with its new and improved mechanics and its new method to mount and dismount the bearings.
You can also see some samples of our products, such as aluminium bearings and involute channel bearings and get more detalied technical information about them.

Puller-fitter: new kit

2009-05-25T02:52:00.000-07:00

Starting from May 2009 the puller-fitter kit has been improved in terms of usability.
Every single step of the operations to dismount and to mount a bearing is now easier and faster.
Caravel can now provide this kit in few days, even if the tools are not available in stock: the manufacturing requires now shorter time and you won't wait days or weeks to use the puller-fitter.
In case of order, shipyards and workshops which already use a T08 or a T13 will receive this new kit (whcih can also work with the pics of the old kit).
If you do not have a puller-fitter yet we can submit you an offer with these new working tools.

On our web site (page about the puller-fitter) you can see two clips. These clips are always available on You Tube: the first one shows how to pull an old bearing out of the strut, the second one shows how to insert a new bearing.

Caravel products for agriculture and industry (nuclear power plants, hydroelectric generating stations, paper mills, dredging machines, turbines)

2009-04-24T03:18:00.001-07:00

Caravel manufactures since the 1950’s metal and rubber bearings and chromium-plated bushes for large water movement machines, for vertical pumps, submersible pumps, turbines, etc.
Its experience is not limited to navigation and cooperation with shipyards and shipbuilders.
Caravel manufactured more than 4,000 different types of bearings with different internal shapes (axial, involute or helicoidal channels), with outer shell made of iron or stainless steel.
Caravel can also supply bearings with antiabrasive rubber or Viton rubber: this last kind of rubber is useful to pump hydrocarbons (see the download page of our web site http://www.caravel.it/ to read and/or download a technical document about these two kinds of rubber).
All these products can be used in different fields: agriculture, nuclear plants, hydroelectric generating stations, paper mills, dredging machines, turbines etc.
Another important product by Caravel are the chromium-plated bushes, delivered in brass with a chromium lining on the outer shell (from 0,06 mm. to 0,20 mm.).
These items are used in order to protect the vertical pumps shaft from the wear provoked by sand. This system permits very good savings on the costs of the spare-parts, as it avoids the replacement of the shafts. Our manufacturing quality system permits to obtain a very small degree of eccentricity. Manufactured in different dimensions: the external clearances are fitted to the connection with metal-rubber bearings, and the internal tolerances are available by request.

Thanks to its experience and well developed Quality System, Caravel is a reliable partner for the most important turbine and pump builders Italy, Europe and all over the world: we are proud to supply all the well-known firms in this field.

The Ploughing system for large dimension bearings

2009-02-04T03:05:00.001-08:00

Patented by Caravel, for the construction of large dimensions bearings (minimum diameter of axis 80 mm. - maximum diameter of axis 500 mm.) this system allows to set up the bearing avoiding the construction of the inner core for the forming.
Further to the economical one, this system offers other advantages:
- Higher precision on the dimension of the inner diameter, which is made possible by the use of an inner round core, without protrusions and which can be grinded and brought into centesimal tolerances.
- Achievement of ray channels which increase the capacity and the duration of the bearing, especially when the axis works horizontally for a question of weight.
- Disablements: once the life of the bearing finishes, after the grinding of the axis it is possible to grind in equal measure the core for the stamping and obtain a new bearing with the inner diameter adapted to the new measure of the axis.
- Last but not least important advantage of the ploughing system, is the remarkable reduction of the delivery terms that go down from approximately 20 days to only 4-5 working days.

You can see in the image here above the smoothness, the precision and the cleanness of the inner rubber surface of the bearing: these qualities are a clear proof of the great reliability of our products.

Don't forget that these bearings are often mounted on large boats and on luxury boats whose towing may be difficult and expensive.

New aluminium bearings

2008-11-11T02:11:00.001-08:00

Caravel has just started the manufacturing of a new type of hydrolubricated bearing with the outer shell made of aluminium.
These bearings have been designed and manufactured for aluminium boats (sailboats and vessels in aluminium): all the dimensions which are included in Caravel's price list are always available in our stock and ready for shipment. A more interesting price (if compared with resin) and shorter delivery time, even for bearings not immediately available in our stock, are the most important points to consider.

The outer shell is made of anticorodal 6060 (UNI 3569 AL Mg Si): it has a good resistance to corrosion, very good mechanical properties and is particularly fit for anodizing processes and for marine applications (you can find here more detailed information: http://www.migliarialluminio.it/Migliari/6060.htm.

The anodizing of the outer shell of each bearing reaches a depth of 10 micron and during internal tests and quality controls these hydrolubricated bearings have revealed an excellent mechanical and chemical behaviour.

The resistance of the chemical attack between aluminium and rubber has been carefully tested according to all the required controls which an ISO 9001 certified company has to fulfil.

The aluminium and rubber hydrolubricated bearings have been already mounted on vessels and big aluminium boats, with great satisfaction for our customers.
This product is the final point of years of tests to find new materials for marine applications with a good quality and an interesting price.

Contact our technical departement to get more information or to receive an offer.

What's new: the fantastic Caravel Puller-Fitter

2008-09-16T05:53:00.000-07:00

Designed and built by Caravel, the new PULLER-FITTER for bearings is a fantastic solution to pull out a bearing from the shaft and to fit a new one in the same position.

It is a manually operated hydraulic machine which does not require any dangerous operation such as the removal of the shaft.
It is fast and efficient and a boon to the busy boatyard.
The shaft remains in situ, the bearing can be extracted and a new bearing fitted in minutes. What can take days completed in a fraction of the time without damage to housing or shaft.
Simple and practical to operate, no bearing can resist its compelling thrust.

Technical application
The equipment is designed to accept 2 basic size kits which cover bearing shell diameters up to 100 mm (outer diameter).

The kits are as follows:
T8 - for bearings with outer diameter not greater than 58 mm (shaft about 45 mm)
T13 - for bearings with outer diameter between 58 mm and 100 mm (shaft about 50-80 mm)
The above metric sizes are fully interchangeable with imperial sizes.

Optional size kits
One basic kit is standard - please advise which kit is required for your operation. With each kit will be supplied 2 half bearings guides and 2 guide blocks.

Here below some short clips can help you to understand how easy, fast and safe the CARAVEL PULLER-FITTER is:

1) How to use the half-bearing guides to push the bearing out:

2) Pushing the bearing out:

3) The bearing out of the gallow:

4) How to use the half-bearing guides to push the bearing in:

5) Pushing the bearing in:

The CARAVEL PULLER-FITTER can also be used by scuba divers underwater.

YOU CAN SEE THE CARAVEL PULLER FITTER BY OUR STAND AT THE GENOVA BOAT SHOW EXHIBITION. YOU CAN GET THERE SOME TECHNICAL PAPERS ABOUT THIS FANTASTIC MACHINE.

Caravel at the 48th Boat Show Exhibition in Genova

2008-09-16T05:30:00.001-07:00

Caravel is going to take part as an exhibitor in the 48^th edition of the INTERNATIONAL BOAT SHOW in Genova (4^th –12^th October).

The exciting experience of the Boat Show began in the 1980’s when Caravel could at last be rewarded for its reliability in manufacturing bearings and chromium-plated bushes: this regular participation is for us a prize. Caravel's mechanical production started in the 1950’s and the presence to such an important exhibition is now considered as a great chance to show its bearings and the most important technical news.

Our stand will be located in the C Pavilion - Upper Floor, Stand M19.

By our stand you will find many different bearings with different dimensions and outer shells in different material.
You can also compare bearings with axial channels and bearings with involute channels (which allow a better shaft cooling and lubrication).
Our engineers can also show you the new line of aluminium bearings, which were planned and manufactured to grant a better antigalvanic function for aluminium hulls. Their prices and delivery time are certainly interesting if compared with resin.

The most important innovation of the year is the bearing PULLER-FITTER.
Designed and built by Caravel, this tools is a fantastic solution to pull out a bearing from the shaft and to fit a new one in the same position.
It is a manually operated hydraulic machine which does not require any dangerous operation such as the removal of the shaft.
It is fast and efficient and a boon to the busy boatyard.
The shaft remains in situ, the bearing can be extracted and a new bearing fitted in minutes. What can take days completed in a fraction of the time without damage to housing or shaft.
Simple and practical to operate, no bearing can resist its compelling thrust.

You can meet our experts and ask them every technical information you need and get some technical papers.

Caravel: quality since 1953

2008-09-16T05:21:00.001-07:00

CARAVEL s.r.l. was established in 1953 in the industrial area of Milan, Italy.

It manufactures metal and rubber bearings for shafts of ships whose dimensions go from 25 mm up to 600 mm.
The shell is usually made of bronze, brass, stainless steel, aluminium or phenolic resine.
It also manufactures chromium plated bushes used in vertical and submersible pumps. Its products can also be used in power and nuclear plants.
The entire productive process of Caravel is based on a high level quality process, also testified by the Lloyd's Register ISO 9001 certification, obtained in 1996.
Caravel has always thousands of standard pics (in terms of dimensions) ready for shipment in its stock but can also manufacture bearings with any dimension, tolerance and material.
Caravel has manufactured up to now more tha 4,000 different types of bearings and chromium plated bushes according to its customers' requirements.