Man that greaser thing sounds confusing. Dont get me wrong sounds like a good idea but im am new to this stuff and probly wount be able to do it unless someone showed me how. For now im just looking to replace the bearings and be done with it.

The only disadvantage is that worm gear has poor efficiency. So it is reasonable to use only with power plants of low capacity and for  small amount of energy production.

Helical gears have a cut at special angle that allows gradual and smooth contact between each of gear teeth. It provides rather quiet operation.Their materials are usually cast iron, aluminium or iron. Gearboxes using helical gears are applicable to wind power plants with big and efficient electricity performance.

There are several wind turbine gearbox types. Although they differ in design and principle of operation, their function is always the same.

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The gearbox is an important part of a wind turbine. It provides system motion that is essential for wind power generation. Therefore, the condition of a gearbox shouldn’t be neglected, lest the operator faces grave consequences. No less important for proper maintenance is to know more about wind turbine gearbox types and designs.

Planetary gearboxes are highly efficient. They have strong resistance to shock, and a high torque to weight ratio. They also show better stability than any other wind turbine gearbox type.

There are two types of bevel gears: with straight and spiral teeth. They may consist of cast iron, aluminium and other similar metals. Bevel gearboxes are usually mounted in right angle applications with a perpendicular shaft. Advantages Bevel gear fits wind turbine system with right-angle configuration. Disadvantages Poor teeth cut can cause strong vibrations and noise. 4.Helical Gearbox Picture 5. Helical Gears Helical gears have a cut at special angle that allows gradual and smooth contact between each of gear teeth. It provides rather quiet operation.Their materials are usually cast iron, aluminium or iron. Gearboxes using helical gears are applicable to wind power plants with big and efficient electricity performance. Advantages Helical gears make wind turbine operation almost noiseless and quiet. At the same time they are very efficient and have high horsepower. Disadvantages Although gears teeth in such a position do not wear fast, there might be hard axle load. 5.Worm Gearbox Picture 6. Worm Gear Worm gearboxes are used in units that require high speed and big loads. Worm gear can be designed for right-angle systems. Worm gears are resistant to wear. They also generate low noise. Advantages Worm gear is simple and easily accessible for maintenance This configuration allows to service the gear easily and without troubles. Plus this gear produces minimal noise and has reliable operation system Disadvantages The only disadvantage is that worm gear has poor efficiency. So it is reasonable to use only with power plants of low capacity and for  small amount of energy production. Gearbox Oil System Service Oil system plays an important role for wind turbines. Gearboxes need constant lubrication as they have tendency to wear due to intensive work. In turn, the lubricating oil system needs care and service too. If you neglect wind turbine oil servicing, gearboxes will age quickly. Consequences of wind turbine gearboxes and oil aging may be not only undesirable, but also very dangerous! First of all, oil analysis, which determines the general oil system condition is necessary. The next step should be oil changing or purification. GlobeCore company produces the machines for wind turbine oil servicing. With the CMM-G and the CMM-GL you can easily pump the oil out of a wind turbine and purify it to as new condition. Also, the plants can flush the gearboxes and oil reservoirs. There are also dozens of other possible options. This plants will help wind energy industry manufacturers to properly maintain wind farms. .

my bearings are sealed so all i would be doing is filling the void around the axle yube with grease, though i though of doing it until i i saw my new bearings were sealed so it will depend on what kind of bearings you get

So my axle bearings are shot. I ordered some the other day and they sould be here tomorrow or saturday. From what I have read doing a search these are a pain in the ass to change. Anybody have some tips or tricks to make the process go a little easier?

Similar to a planetary gearbox, a spur gearbox can be rather noisy and may wear rapidly. So constant attention to the lubrication system is crucial for this type of gearbox.

the zerk fitting is very ez.. you literally just drill a hole in the carrier... make sure you use the right size bit and then thread in a fitting.. nothing more to it...

The physical properties of gearboxes vary depending on their types. Usually, wind turbine gearboxes are made of steel, aluminum or brass. Other material may also be used. All wind turbine gearbox types have their unique form and special features. These facts are very important to remember for proper gearbox oil maintenance.

Helical gears make wind turbine operation almost noiseless and quiet. At the same time they are very efficient and have high horsepower.

Is there a link to the zerk thing. What size bit do I use to drill it. Is a zerk some type of fitting that goes into the drilled hole. where Do I buy one of these so called zerks LOL what kind of grease do I put in? How much grease. Why do I have to remove the seal you mentioned?

To get them out, just use a long flat blade screwdriver and tap it from the inside out. You just slide the bolt sleeve over a little to get head of the screwdriver on the edges of the bearing. Tap it out evenly around the edges to keep it from turning. If you have trouble getting it out you can heat up the outside of the carrier with a torch, but not so hot that it might warp. Once you get the new bearing lined up fairly even, tap it with a large socket that fits around the outer edge of the bearing but still fits inside the carrier. You don't want it to rest on the seals, just the metal edges. Then put the carrier in a large bench vise long ways with the socket flush on the bearing and crank it until it pushes the bearing all the way in. Repeat for the other side and you're done. If you want you can lube the inside of the carrier and the outer edge of the bearing with grease to help go in a little smoother. Lube the sleeve before you put it back in too. As far as the zerk, if you decide to install one you can get the type that tap in once you drill a hole and don't have to be threaded. You can get these at hardware stores or an autoparts store, just pic your size and match a drill bit up. The threaded type are okay, but the metal on the carriers is kind of thin so you really can't tap many threads into it. As long as you don't fill it to much with grease you won't need a relief hole for it to escape...use waterproof or marine grease for all this too. Hope that helps.

Here's a little tip, to make the bearings last a long time. Once the bearings, and seals are out, drill and tap the bearing carrier for a grease zerk. Before installing the bearings, remove the inner seal from each bearing, and press them in. Once the carrier is assembled, fill the carrier with grease, but not so much, that it squeezes out past the dust seals on the outside. I did this same thing 8 years ago, and I'm still using the same set of bearings. You will only need to give the carrier a few shots of grease every couple of months.

ZFgearbox

Spur gear provides efficient speed control. It has high torque output. It is useful in wind turbines which require strong speed regulation and even decrease the speed if needed.

Spur gears have straight teeth and are mounted on parallel shafts. This type of gears may have different sizes and gear ratios that meet the requirements for certain speed and torque. Spur gears are usually made of steel or brass. Other common construction materials are polycarbonate and nylon.

put the bearings in your freezer the night before you install them , the cold will shrink them down a bit , makes installing them a bit easier.

This configuration allows to service the gear easily and without troubles. Plus this gear produces minimal noise and has reliable operation system

Wind turbinegenerator

The main function of gearboxes in wind turbine systems is rotation speed regulation and efficiency improvement. In order for the compact electric generator to work well, some parts must move extremely quickly, since generated voltages depend on how much power a wind turbine produces. However, the turbine blades themselves cannot move very fast because of centrifugal forces. Thus, a gearbox is needed to increase the speed of rotation of the slow turbines to faster generator turns. One of the alternatives to gearboxes are larger generators with permanent magnets, but they are much more expensive than wind turbine gearboxes.

I would just buy a used carrier with good bearings for about the same price as the bearing kit. No hassle, easy install, just make sure u trust the guy u are buying from. Call james @ the banshee connection (# in my sig) He sells carriers dirt cheap w/new bearings already installed. Just MO

With the CMM-G and the CMM-GL you can easily pump the oil out of a wind turbine and purify it to as new condition. Also, the plants can flush the gearboxes and oil reservoirs. There are also dozens of other possible options. This plants will help wind energy industry manufacturers to properly maintain wind farms.

Oil system plays an important role for wind turbines. Gearboxes need constant lubrication as they have tendency to wear due to intensive work. In turn, the lubricating oil system needs care and service too.

Ask for grease fittings or grease zerks. Somone should know what your talking about at an auto parts store. Even tho they are sealed bearings, you can still take the seals out. Only take the inner seal out. You can use a knife or whatever, just dont take your fingers off. I'm gonna do my first install tomorrow. I used a socket that fit into the housing that i could catch an edge of the old bearings. And a long socket extension and a hammer. It took awhile but it worked. Seems to me that the screwdriver way you would end up scoring the housing. I think i will try the long bolt with large washers for the install.

Wind turbinestructure

Worm gearboxes are used in units that require high speed and big loads. Worm gear can be designed for right-angle systems. Worm gears are resistant to wear. They also generate low noise.

Planetary gearboxes are so named because of their similarity to the solar system. The components of the planetary gearbox include a sun gear, an annular gear and planetary gears. The sun gear is the central gear fixed in the center, an annular cogwheel (anulus ring) is the outer ring with internal teeth, and planetary gears rotate around the sun gears and the grid with the help of both the sun gear and the ring gear.

There are two types of bevel gears: with straight and spiral teeth. They may consist of cast iron, aluminium and other similar metals. Bevel gearboxes are usually mounted in right angle applications with a perpendicular shaft.

Differentstrokes... When I go to the auto parts store looking for one of these zerks is that the real name for it. Also when I go to remove the axle from the carrier I have to take off one hub correct? No since in removing both if I can pull it straight out without removing the other. Anyways I dont have a hub puller that some guys on here where talking about. What is a good method of removing one of these w/out bending it up. Would a few nice hits with a rubber mallet do the trick?

If you neglect wind turbine oil servicing, gearboxes will age quickly. Consequences of wind turbine gearboxes and oil aging may be not only undesirable, but also very dangerous!

also im assuming you dont have a bearing press... to get them in striaght dont try to lay them on there and hti with a hammer.. get your self a long bolt and nut and 2 nice big washers. when you tighten them down they will both get pulled in nice a flat...

Different wind turbine gearbox types have various parameters and advantages. At the same time, there are also limitations. It is not difficult to find out that each type is suitable for specific types of turbines.

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BTW, Is there anyway to get a how to section up on this forum? What i mean is, on other forums someone will do a write-up on how to do something. Then it is in its own section and no replys can be made. It just seems like there are so many of the same topics on this forum. It would stop some of the clutter. And give newbs like myself a place to go instead of asking the same questions over and over again.

Steel gears can be noisy when coming into contact with other gears. This design also makes them prone wear. That demands constant and complex maintenance and a complex automatic wind turbine oil system.

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