Let’s learn about Ringfeder Shrink Discs RfN 4023 with Dai Hong Phat, through the following article!
1. About Dai Hong Phat Corp – Ringfeder Germany
– Dai Hong Phat Corp is the official authorized representative of Ringfeder Germany in Vietnam (Ringfeder Vietnam), Laos, Cambodia, Philippines and Bangladesh. We provide genuine transmission shaft coupling solutions that meet international standards, helping to optimize the performance and durability of machinery systems.
– Ringfeder Germany – the world’s leading brand in transmission and shock absorber solutions, with over 100 years of history of creation and innovation. Founded in 1922, with the first product “friction springs“, Ringfeder has become a global symbol of prestige for quality and reliability.
– Ringfeder Shrink Discs RfN 4023products supplied by Dai Hong Phat are 100% genuine imported, with full CO/CQ, meeting international quality standards.
Certificate of Dai Hong Phat Corp is an authorized representative of Ringfeder Germany in Vietnam
See more: Other Ringfeder Shrink Discs
2. Characteristics of Shrink Discs RfN 4023
– Manufactured brand: Ringfeder/Germany.
– It has a clamping length of 175mm.
– Maximum torque T: 562,000 Nm.
– The shaft diameter and surface finish tolerance are easily achievable.
– Ringfeder RfN 4023 belongs to the heavy-duty category for high torque and bending moments.
– The highest reliability of the shrink disc is a modern method to create a mechanical flexible coupling.
– Easy adjustment, installation, and disassembly, with minimal susceptibility to dirt.
– It consists of one or two thrust rings with tapered bores and an inner conical ring.
– By tightening the locking screws, the thrust rings are pulled together, compressing the inner ring and exerting pressure outward from the center to clamp it onto the shaft.
– Positioned around the center, it only has one transmission interface, providing unique advantages such as offering concentric connection capability and suitable balance for high-speed applications. Shrink couplings require complex calculations, tight machining tolerances, and good surface finishes. They also require significant effort during assembly and disassembly.
View more product: Ringfeder Shrink Discs RfN 4091
| FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT: SALES DEPARTMENT HOTLINE: +84906 955 057 – EMAIL: INFO@DHP-CORP.COM.VN |
3. Applications of Shrink Discs RfN 4023
The Shrink Discs RfN 4023 minimizes surface tension forces in connected parts. These devices are primarily used in cases of extremely thin hollow shafts or hollow shafts with limited low-flow materials such as gray cast iron or aluminum, such as aluminum conveyor pulleys or thin lever arms.
4. Technical of Shrink Disc RfN 4023
| Catalogue Ringfeder RfN 4023 |
Installation Ringfeder RFN 4023 |
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Technical drawing of Shrink Disc RfN 4023
| Type | Shrink Disc® Dimensions [mm] | TA [Nm] | T [Nm] | Gw [kg] |
|||
| d | D | d1 | L2 | ||||
| 50 SD-x | 40 | 115 | 84 | 30 | 100 | 1400 | 2 |
| 45 | 2200 | ||||||
| 50 | 3300 | ||||||
| 60 SD-x | 50 | 120 | 94 | 34 | 100 | 2300 | 2.2 |
| 55 | 2500 | ||||||
| 60 | 4700 | ||||||
| 70 SD-x | 60 | 155 | 112 | 40 | 250 | 5800 | 4.7 |
| 65 | 7600 | ||||||
| 70 | 9400 | ||||||
| 80 SD-x | 70 | 167 | 130 | 44 | 250 | 8000 | 6.1 |
| 75 | 10000 | ||||||
| 80 | 12000 | ||||||
| 90 SD-x | 80 | 185 | 144 | 50 | 250 | 12000 | 8 |
| 85 | 15000 | ||||||
| 90 | 18000 | ||||||
| 100 SD-x | 90 | 197 | 156 | 54 | 250 | 16000 | 9.5 |
| 95 | 19000 | ||||||
| 100 | 23000 | ||||||
| 110 SD-x | 100 | 215 | 166 | 58 | 490 | 22000 | 12 |
| 105 | 26000 | ||||||
| 110 | 27000 | ||||||
| 120 SD-x | 110 | 215 | 166 | 58 | 490 | 33000 | 15 |
| 115 | 38000 | ||||||
| 120 | 43000 | ||||||
| 140 SD-x | 120 | 290 | 216 | 76 | 490 | 39000 | 30 |
| 130 | 50000 | ||||||
| 140 | 56000 | ||||||
| 160 SD-x | 140 | 320 | 234 | 83 | 850 | 64000 | 40 |
| 150 | 77000 | ||||||
| 160 | 77000 | ||||||
| … | … | … | … | … | … | … | … |
| 440 SD-x | 400 | 700 | 534 | 175 | 1700 | 562000 | 318 |
| 420 | 562000 | ||||||
| 440 | 562000 | ||||||
5. Why choose Dai Hong Phat Corp?
100% genuine products imported directly from Ringfeder Germany.
Protect customers from counterfeit goods and always provide full CO/CQ documents.
Goods in stock, fast delivery nationwide 24/7.
Free technical consultation and support for drawings, catalogs.
Refined processing workshop to meet individual requirements.
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With more than 15 years of experience, Dai Hong Phat Transmission Shaft Coupling is proud to be a trusted partner of hundreds of domestic and foreign enterprises.
Let us accompany your sustainable development!
DAI HONG PHAT TECHNICAL PRODUCTION TRADING SERVICES CO., LTD
– Ho Chi Minh City Office: 22 Street 11, Khang Dien Residential Area, Duong Dinh Hoi Street, Phuoc Long Ward, City. HCM
– Hanoi Office: No. 14-15A, 7th Floor, Charmvit Building, No. 117 Tran Duy Hung, Thanh Xuan Ward, Hanoi City.
– Tel HCM: +84.28.22536631 – 22536632 – 66818587 | | Fax: 028.22536632
– Hotline: 0906.955.057 | – Email: info@dhp-corp.com.vn
– Website: https://en.daihongphat.asia/ – https://khopnoitruc.com/ – https://ringfeder.com.vn/











