September 30, 2025

Application of SolidWorks in the design and manufacture of rolling mill bearing housing

SolidWorks is currently the leading 3D CAD software, known for its powerful and user-friendly features. This paper uses the bearing housing of a rolling mill roller in the metallurgical industry as a case study to demonstrate various applications of SolidWorks. First, solid modeling plays a key role in the design process. The 3D solid model of the rolling mill chock is created using operations such as extrusion, revolution, cutting, pattern, and hole creation. The resulting solid model of the bearing housing is shown in Figure 1.


Figure 1: 3D Solid Model of Rolling Mill Bearing Housing

Next, before performing finite element analysis, the rolling mill bearing housing is prepared. The bearing housing is mainly subjected to radial rolling force from the roller on the lower half of the cylindrical surface of the bearing hole. To apply this load effectively, the "split line" command in SolidWorks is used to divide the cylindrical surface into two parts—upper and lower, as shown in Figure 2. This allows for accurate load application on the lower half of the bearing bore, preparing the model for further analysis.


Figure 2: Treated Model of the Mill Roll Chock

Another important feature of SolidWorks is its ability to generate engineering drawings. It offers commands to create detailed, shop-accepted engineering drawings that are fully associated with the 3D model. Any changes made to the physical model automatically update the drawings, saving designers significant time and reducing the need for manual drawing in AutoCAD. In addition, SolidWorks allows users to calculate the weight of a 3D solid model. By selecting the “mass properties” option and entering the material density, the weight of the bearing housing was determined to be 1,426.14 kg. This information serves as a crucial reference for designers to optimize material usage and helps suppliers provide more accurate cost estimates. Lastly, the Toolbox plug-in enhances the design process by providing a library of standard components such as bearings, nuts, screws, pins, and gears. Using this plugin, these parts can be directly imported into the assembly without the need to redraw them, significantly improving modeling efficiency and ensuring consistency in the design. Overall, SolidWorks proves to be an essential tool in modern engineering design, offering a wide range of functionalities that streamline the entire product development cycle.

Heavy Duty Winch

A heavy duty winch is engineered to handle the most demanding tasks, designed for applications where substantial pulling force is required. These winches are built tough, often with robust steel frames that can endure extreme stress.

In the automotive and off - road sectors, heavy duty winches are crucial for large vehicles like full - size trucks. Models from WARN Industries, such as their heavyweight series, can pull over 16,000 lbs. They feature heavy - duty carrier plates to manage the significant gear train stress during the recovery of large loads. This makes them perfect for extracting vehicles stuck in deep mud, snow, or on challenging terrains.
Industrial settings also rely on heavy duty winches. For instance, in construction, they are used to move large building materials or machinery. In mining, these winches can haul heavy carts or equipment. They typically have high - torque motors, whether electric or hydraulic, to generate the necessary power. Electric heavy duty winches might have powerful motors that can draw substantial current from a suitable power source, while hydraulic ones use pressurized fluid for operation, often providing even greater pulling capacities.

The cables or ropes used in heavy duty winches are also of high - quality. Steel cables are common due to their durability and ability to withstand abrasion in harsh environments. However, synthetic ropes are becoming increasingly popular. They offer high strength - to - weight ratios, are lighter to handle, and are safer in case of breakage as they have less stored energy compared to steel cables.

Safety features are integral to heavy duty winches. Many are equipped with automatic braking systems to prevent the load from slipping when the winch stops operating. Overload protection mechanisms are also frequently included. If the load exceeds the winch's rated capacity, these systems can either cut off power to the motor or engage additional braking to safeguard the winch and prevent accidents.

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