May 25, 2023

What Aspects Should Be Paid Attention to When Installing a Worm Gear Reducer

The worm gear reducer is a reducer that uses a worm gear drive. Its installation method is not complicated. Here is a brief introduction for you:

1. Before installation, repair or process according to the relevant technical requirements provided by the reducer manufacturer, and check the defects of the various parts of the worm gear reducer and related parts, and proceed to the next step of installation after confirming that there is no problem.

2. Align the center of the tooth surface of the worm gear with the center of the turbine shaft, and install the worm gear of the worm reducer into the casing without shifting left or right.

3. After the bearing and the shaft shoulder, the bearing and the gland are properly installed and pressed tightly, if there is a center deviation, you can add shim iron to the gland of the worm rod or remove a considerable size to test whether the rotation is flexible.

4. After the worm gear is assembled, if the reducer is offset, the size of the gasket can be adjusted to achieve the purpose of the axial displacement of the turbine. Use the hanging wire method or a sample to check whether the middle plane of the turbine coincides with the axis line of the worm .

5. After the middle split plane is cleaned, add a polytetraene film to the lower part of the bolt, apply sealant evenly, fasten the cover and secure the split plane bolts and the bolts at both ends of the cover, and tighten the bolts to prevent oil leakage Phenomenon.

5. After the bearing and shaft shoulder, bearing and shaft cover, gasket and casing are installed, the coupling is installed, and the worm gear reducer is installed.

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The installation of the worm gear reducer should be carried out in accordance with the correct installation method. When installing, the following items should also be paid attention to:

1. When installing the worm gear reducer, special attention should be paid to the alignment of the transmission center axis. The error of the alignment cannot exceed the compensation amount of the coupling used in the reducer. After the reducer is aligned according to the requirements, a more ideal transmission effect and a longer service life can be obtained.

2. The fixation of the worm gear reducer is very important. To ensure stability and firmness, generally speaking, we should install the reducer on a horizontal foundation or base, and at the same time ensure smooth oil discharge from the oil outlet and smooth cooling air circulation. When the reducer is not fixed well and the foundation is unreliable, there will be noise, vibration and other phenomena, which will also cause unnecessary damage to bearings and gears.

3. There are many types of couplings used in worm gear reducers, but it is recommended not to use rigid fixed couplings. This type of coupling has no radial offset compensation and is difficult to install. Once installed Improper use will increase the load, which will easily cause damage to the bearing, and even cause the output shaft to break.

4. When installing the transmission parts on the output shaft of the worm gear reducer, you must pay attention to the softness of the operation. It is forbidden to use tools such as hammers for rough installation. It is best to use the assembly fixture and the internal thread of the shaft end for installation. Press the transmission part into the reducer shaft, which can protect the internal parts of the reducer from damage.

5. The transmission joint of the worm reducer should be equipped with protective devices when necessary, such as protrusions on the joint or use of gears, sprockets, etc. If the output bearing is subject to a large radial load, it should also be reinforced. .

6. The installation position of the worm gear reducer should ensure the operation of the staff, including easy access to the oil mark, vent plug and oil drain plug. After the installation of the reducer is completed, the inspectors should check the accuracy of the installation position in order to determine the reliability of each fastener.

7. Before running the worm gear reducer, it is necessary to make preparations for operation. Remove the vent plug of the oil pool and replace it with a vent plug. Open the oil level screw to check the height of the oil line, and add lubricating oil beyond the oil level plug to the hole. After overflowing, then screw on the oil level plug and confirm that it is correct, you can start the test run.

8. The test run time of the worm gear reducer should not be less than two hours. The standard for normal operation is smooth operation, no vibration, no noise, no leakage, and no impact. If any abnormal situation occurs, it should be eliminated in time.

The above are the precautions for the installation of the worm gear reducer, and I hope to provide you with some help.