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Precautions and tips for installing the new environmentally friendly rotary kiln large gear ring

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Among all the parts of the rotary kiln, the large gear ring is one of the main parts on the rotary kiln equipment. Since the large gear ring is mounted on the rotary kiln cylinder and drives the operation of the entire cylinder during operation, the installation method is directly related to the use effect and production efficiency of the equipment. So what problems should be paid attention to when installing the large gear ring?

Due to the needs of manufacturing capacity, transportation and installation, the large gear ring is composed of two half gears, connected together with matching screws, and fixed tangentially on the kiln body through a spring plate. Therefore, in order to complete the installation and alignment of the large gear ring with high quality, a scientific and feasible construction plan must be formulated whether it is a new installation or a reset installation after overhaul. The correct installation process is not only responsible for your own safety, but also effectively extends the service life of the rotary kiln.

Installation precautions

  1. Before installing and aligning the large gear ring, the center line of the cylinder at the riveted spring plate must be adjusted to the correct position.
  2. During the installation and alignment of the large gear ring, the pre-installation of the gear ring is a very critical link. The pre-installation must be of high quality, high standards and strict requirements. The alignment of the gear ring and the cylinder during installation is only "centering" and cannot correct the gear ring.
  3. The pre-installed large gear ring must be hoisted as a whole, otherwise the pins and bolts at the gear ring are difficult to install and tighten, and the pitch error at the interface and the roundness tolerance of the gear ring cannot be guaranteed.
  4. The spring plate and the cylinder must fit tightly in a free state. The spring plate and the cylinder must not be fixed or riveted forcibly. Otherwise, after loosening the spiral top and drawing the wire, the radial and end face runout of the gear ring will increase or the error will exceed the standard under the action of the spring plate.
  5. The radial and end face runout values ​​during fine alignment must be less than the standard values. After removing the spiral top and drawing, the radial and end face runout of the gear ring may increase, but the difference will not exceed the standard.
  6. When drilling the spring plate and the cylinder, proceed in sequence, and tighten a positioning bolt for each hole drilled.
  7. After the rotary kiln is delivered for overhaul and put into production for 12h to 24h, the kiln should be stopped to check the rivets of the spring plate and tighten the screws of the large gear ring for a second time.

Luoyang Heng Guan Bearing Technology Co., Ltd is an entity manufacturer of slewing bearings and customized non-standard machining parts. Our company integrates professional design, research and development, manufacturing, sales and service. Relying on the strong manufacturing capacity and research and development capacity, we can provide customers with one-to-one customized services and solutions.

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