What is slewing external gear ring

Introduction to slewing bearing gear ring: slewing bearing bearings can usually provide slewing external gear ring or slewing internal gear ring. Sometimes toothless models are used. Rotary bearings mainly consist of spur gears and spur gears. The advantage of gears as one of the slewing support rings is that they do not require additional drive gears, thus saving time and cost when designing individual components. In most cases, the slewing ring uses gears from modules 4 to 24. In some cases, metric modules can be used for lower or higher gears. For special applications, Fenghe also produces gear sprockets or large gears.

Before starting the slewing external gear ring manufacturing process, the outer teeth of the rotary support are specially designed and calculated according to customer requirements. The load capacity is calculated according to the corresponding DIN or IS0 specifications. In addition, relevant small gears can be designed and manufactured based on load capacity calculations. Customers will obtain small gears and matching gears from a single source.

Characteristics of slewing external gear ring

The teeth of the external tooth type slewing bearing are located outside the slewing bearing, making it easier to install and maximize the limited space of the slewing bearing. Fault diagnosis and gear meshing inspection are easy, and due to the large pitch diameter of the gear ring, a larger transmission ratio can be better obtained, greatly reducing the circumferential force and torque on the small gear.

How to Reasonably Select the Type of slewing external gear ringThe calculation and selection of slewing bearings are based on the torque, speed, axial load, and through-hole diameter of the supporting host. In addition to providing specifications and parameters for slewing bearings, various manufacturers also provide

Each static bearing capacity curve. The selection of slewing bearings is generally carried out according to the following process:

• Determine the maximum static load (axial force, radial force, and torque) borne by the slewing bearing, and use this load as the static rated load;

• Determine the static safety factor, which can be taken as 1.45 for the supporting host;

• Calculate the static load axial force and torque based on the calculation formula provided by the manufacturer to select the slewing bearing model;

• Check the bearing capacity of bolts.

Slewing bearing is widely used in large slewing devices of lifting machinery, mining machinery, construction machinery, port machinery, ship machinery, high-precision radar machinery, missile launchers, and other equipment. At the same time, various special structures of slewing bearing can also be designed, developed, and produced according to the specific requirements of users.

Point contact rolling working mode of slewing external gear ring

The point contact rolling working method is mainly used for four point contact ball slewing bearings and cross roller slewing bearings. This working principle requires high quality steel balls to withstand the combination of radial and axial forces in point contact, and the track should have a uniform angle.

Surface contact rolling combined working mode of slewing external gear ring

The surface contact rolling combination working method is mainly used for three row roller slewing bearings. Its advantages are large contact surface, uniform bearing capacity, and flexible rolling.

Surface contact rolling sliding combined working mode of slewing external gear ring

The surface contact rolling and sliding combined working method is mainly used for turntable bearings. Currently, the new type of turntable bearings has a compact structure and high accuracy. Therefore, using the surface contact rolling and sliding combined working method is the most suitable.

Rolling and sliding combination rolling working mode of slewing external gear ring

The main rolling and sliding combination rolling working mode is mainly used for ball column combined slewing support. This principle has the advantages of small eccentricity and long service life, and has the dual structure of roller and ball.

Slewing External Gear Ring supplier

LZTC Slewing external Gear Ring, providing a series of services such as research and development, design, production, and sales of Slewing external Gear Ring products.

If you are looking for Slewing external Gear Ring supplier, please contact us for the latest quotation.