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#1 am 28.05.2018 um 08:33 Uhr Diesen Beitrag zitieren
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Gearboxes are generally used to reduce the speed of an engine or a motor. In the latter case Chris Godwin Buccaneers Jersey , the gearbox can be either fitted directly onto the motor, or connected to the motor via a belt or chain or shaft coupling. It is essential that the gearbox matches the power of the motor, otherwise there is a danger of either under- or overpowering the gearbox, the latter resulting in damage of the gearing. There are various types of gearboxes available, the most common being Worm (Schneckengetriebe) Justin Evans Buccaneers Jersey , Spur (Stirnradgetriebe), Helical, Planetary (Planetengetriebe) and Bevel. The advantage of the worm gearbox is lower noise, right angle (to suit tight spaces), self-locking (to possibly avoid a brake) and lower cost. The main disadvantage of the worm gearbox is poor efficiency. Typical applications include sliding door drives O. J. Howard Buccaneers Jersey , conveyors, and automotive applications such as windscreen wipers. The Spur Gearbox (Stirnradgetriebe)can either be a round or square housing, provides good value, and can also have high gear ratios. Typical applications include home automation, toys Authentic Adarius Glanton Jersey , white goods and automotive. The helical gearbox is similar to the spur gearbox, but has angular teeth on the gearwheel, helping reduce noise. The cost is slightly higher than the spur gearboxes. Typical applications include medical equipment and domestic automation. The Planetary Gearbox(Planetengetriebe)is very popular in applications where there is tight space in diameter, and yet high torque is required. The efficiency is good; however the price is higher than those of its counterparts. Higher grade Planetary gearboxes are also used in applications requiring high precision, such as robotics. They are generally driven with DC Motors (Gleichstrommotoren) or BLDC Motors (BLDC-Motoren) Authentic Jacquizz Rodgers Jersey , as these also provide high torque in a smaller diameter. In the last 20 years the market has seen a large number of newcomers arrive, offering good value planetary gearmotors, such as the IG22, IG32, IG42 Authentic Patrick Murray Jersey , PLG32, PLG42, and PLG52. Bevel Gearboxes are right angled, but with a very low gear ratio and a high level of efficiency. They generally replace planetary gearboxes, but where right angle is required Authentic Chris Baker Jersey , usually due to tight space. Spur, Helical and Planetary gearboxes can have several gear stages, thereby allowing extremely high gear ratios. To ensure high Radial and Axial Load capability, a ball bearing is required at the output shaft of the gearbox. For lower shaft loading, and sleeve bearing would suffice. All models are available at Powertronic Drive Systems Authentic T.J. Ward Jersey , Shayang Ye and Dunkermotoren. Learn to paint the right way by reading this article. It is very tempting to get right on with the process of creating your next masterpiece but the truth is that it is well worth spending some time stretching your watercolor paper. The problem is that paper of less than 260 lb (356 gsm) needs to be stretched before you use it otherwise it will simply warp if you do not do so. The good news is that it is a pretty straightforward process and one you can do yourself. Read the rest of this article to learn how to do it properly.

You will need only a few things to get started. They are:

* A couple of sponges
* Some watercolor paper
* A drawing board
* Gummed brown paper tape

Remember, if you want to learn to paint you need to know how to do this procedure. Here are the steps to stretching your paper:

Step 1. Take four strips of gummed brown tape, that is one for each edge of the paper, and cut them slightly longer than the sides to which they will be attached. Put them all to one side for the moment once you have cut them.

Step 2. Soak the sheet of paper in cold water. Do this for about two minutes and allow the fibers in the paper to expand. This prepares the paper for the stretch.

Step 3. Take the sheet of paper and lift it. Very gently shake off the excess water from it and then place it upon the drawing board. The board must be lying completely flat.

Step 4. Take a clean sponge and smooth out the paper. You can try using your fingers, if you wish Authentic Ali Marpet Jersey , but make absolutely certain that they are clean and have no grease on them. You must get the paper perfectly flat and smoothed at this stage in order for it to be smooth once it is dry. Still want to learn to paint? Read the next tip for some more help.

Step 5. Take one of the strips of gummed paper tape and moisten it. Stick it along one edge of the paper. Make sure that it is firmly attached. You want to stick the tape so that two-thirds of the tape is on the board and that one third is on the paper. This technique ensures that the paper is fastened soundly to the board and that it will not be pulled off the board as it dries.

Step 6. Work your way around all of the other sides of the sheet of paper in the exactly same fashion. Get some more help from the next step as you learn to paint

Step 7. Now leave the paper alone to dry for several hours. It needs to be away from any direct heat source. The fibers in the paper contract as the water evaporates leaving the sheet of watercolor paper smooth and flat.

Step 8. Make sure that you keep the drawing board flat while the paper dries. The water will drain to one or other edge if you do not and the paper will drive unevenly. This will lead to an unsatisfactory result for you.

Step 9. The paper will stay flat when you use it. You might think that this is not the case because you are going to make moisten it again when you paint on to it. However, the paper will never again be as damp as it was in step 2 so it will actually stay nice and flat for you.

There are some more tips to bear in mind as you learn to paint:

Avoid using hot water to soak your watercolor paper. This is because it could remove the sizing from the paper. Do not so.
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