Applications of Ringfeder Shrink Discs Rfn 4181 In Industrial Gearboxes

Are you looking for a powerful, durable torque transmission solution for industrial gearbox systems? Do you always have problems with corroded splines, making it difficult to ensure concentricity? Discover the Shrink Discs Rfn 4181 imported by Dai Hong Phat from Ringfeder Germany. Reading the article below can help you better understand the practical application of the shrink disc in industrial gearboxes.

1. Shrink Disc - mechanism & technical characteristics

A shrink disc is also known as “a shaft clamping device” - a device that connects the shaft and the hub, a friction lock without a key, consisting of one or two thrust rings with a tapered hole and a conical inner ring that meshes.

In contrast to a shaft lock, a shrink disc tightens bolts, the thrust rings are pulled together, compressing the inner ring and creating pressure on the outside of the shaft, clamping it tightly to the shaft.

Technical advantages of Shrink Disc:

- Lightweight design – suitable for medium load values ​​in limited space.

- Suitable for static, dynamic and impact loads.

- Easy installation – no steps, keyways, notches, so the shaft can be positioned and locked at any point or angle on the shaft.

- Low contamination – when tightening the bolts, the functional contact surfaces will be pressed together and prevent the ingress of dirt and moisture.

2. Breakthrough solution for shrink discs Shrink Discs RfN 4181 in large industrial gearboxes

2.1. Challenge

A gearbox manufacturer in Brazil was faced with the requirement to produce a giant industrial gearbox. The hollow shaft of this gearbox had a diameter of up to ∅900 mm, requiring the ability to transmit extremely large torques and had to operate durably in harsh environments. Standard or conventional spline drive solutions cannot meet the requirements in terms of size, load capacity and durability.

2.2. Ringfeder's solution

In this particular case, Ringfeder came up with a solution by designing and manufacturing the Shrink Discs RfN 4181 shaft squeezer with the largest dimensions. To ensure optimal performance and durability, they selected high-quality 42CrMo4 steel and applied an absolutely precise machining process. Even more amazingly, the entire design, production and delivery process took only 10 weeks, meeting the project's schedule on time.

2.3. The result

RINGFEDER's Shrink Discs RfN 4181 solution not only achieved all the criteria of transmitting huge torque, wear resistance and high precision, but also proved to be extremely versatile. Variations such as modular bushings allow the Shrink Discs RfN 4181 to be applied to a wide range of shafts, including special shafts with large diameters, where other solutions are not possible. And it is currently the largest shaft tightening device installed in Brazil.

Learn more: Features and Advantages of Shrink Discs in Industrial Applications

3. Ringfeder Shink discs RfN 4181 - The Ultimate Solution for Large Gearbox Applications

Ringfeder Shrink Discs RfN 4181 is one of RINGFEDER's flagship products, specially designed for applications requiring high torque and high load capacity, with a 2-part design.

This is a size extension product for larger shaft diameters and maximum torque of RfN 4161

- 2-part design

- Inner diameter d: 220-800 mm

- Outer diameter D: 370-1,230 mm

- Overall length L: 115-373 mm

- Torque T: 160,000-8 million Nm

4. Reputable Ringfeder Shaft Clamping Equipment Supplier in Vietnam

To access advanced and high-quality transmission solutions from RINGFEDER in Vietnam, DAI HONG PHAT is a reliable partner. With more than 15 years of experience and being the exclusive distributor of Ringfeder Germany products, we are committed to bringing customers high quality products:

- Ringfeder Shrink Discs RfN 4181 is imported by Dai Hong Phat from Ringfeder

- Provide full CO/CQ documents

- Goods are always available in stock, fast delivery time, minimizing machine downtime.

- A professional technical team provides the most optimal solution

- Free conversion of product parameters upon request

- Have a professional processing workshop, adjust products according to reality

>>> Choosing the wrong supplier leads to low quality goods, easy to damage, rust, deformation, difficult to disassemble, affecting production activities. Contact Dai Hong Phat immediately for advice and own top quality RINGFEDER transmission solutions.

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