RfN 4181 SHRINK DISC

The Ringfeder Shrink Disc RfN 4181 features heavy-duty clamping with two sets of tightening elements, along with additional guiding mechanisms for the inner ring. This design enables the transmission of extremely high torque. The shrink disc can handle torques of up to 8 million Nm, with an outer diameter (D) of up to 1230mm and an inner diameter (d) of up to 800mm.

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Description

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1. Why choose Dai Hong Phat Corp. as your supplier for Ringfeder RfN 4181?

– Genuine Ringfeder RfN 4181 shrink disc imported from Ringfeder Germany.
– Risk protection, against counterfeit Ringfeder RfN 4181.
– Full CO/CQ documentation for Ringfeder RfN 4181.
– Clamping elements always in stock, fast delivery.
– Provide technical drawings upon request.
– Dedicated support and consultation on Ringfeder RfN 4181.
– Free consultation for optimal factory solutions.
– Provide genuine Ringfeder RfN 4181 catalogues.
– Free technical specification conversion upon request.
– Nationwide delivery 24/7, minimizing downtime.
– Professional machining workshop for customization.

2. Dai Hong Phat Corp. is the specialized representative for supplying all Ringfeder RfN 4181 in Vietnam:

– Dai Hong Phat Company is the exclusive importer and distributor of all 100% genuine Ringfeder products throughout Vietnam and the Southeast Asia region. (Authorized Distributor for Ringfeder Products in Vietnam, Laos, Cambodia, Philippines, …).
– With over 15 years of reputable service, Dai Hong Phat ensures customers acquire Shrink Disc RfN 4181 that are 100% authentic, high-quality, and competitively priced in the market.

3. Characteristics of Shrink Disc Ringfeder RfN 4181:

– Shrink Disc RfN 4181 is manufactured by Ringfeder/Germany.
– Inner diameter d: 220-800 mm.
– Outer diameter D: 370-1,230 mm.
– Total length L: 115-373 mm.
– Torque T: 160,000-8Mio Nm.
– The locking screws are tightened to ensure tight contact surfaces, preventing the ingress of dirt and moisture. It offers easy adjustment without requiring stop points, locking pins, or shaft grooves, allowing the hollow shaft to be positioned and locked at any point and angle on the shaft.
– The Ringfeder RfN 4181 shrink disc is a method for achieving proper clamping, featuring a two-part design consisting of a tightening ring with tapered holes and an inner conical ring. It is an expanded and functional version of the RfN 4161.
– The Ringfeder RfN 4181 is arranged around the center of gravity to provide concentric connection capability and suitable balance for high-speed applications. Traditional shrink disc devices require complex calculations, close machining tolerances, and good surface finishes, and they can also be difficult to install and remove.

View more product “Shrink Disc RfN 4091“

FOR ANY INQUIRIES OR QUOTATION REQUESTS, PLEASE CONTACT:
SALES DEPARTMENT
HOTLINE: +84906 955 057 – EMAIL: INFO@DHP-CORP.COM.VN

4. Applications of Shrink Disc RfN 4181:

The Ringfeder Shrink Disc RfN 4181 reduces surface tensile forces in the connected components. This shrink disc device is primarily used in cases of extremely thin-walled hollow shafts or hollow shafts with low yield limits, typically made of materials such as gray cast iron or aluminum, such as aluminum conveyor pulleys or thin-walled levers.

5. Technical of Shrink Disc RfN 4181:

Catalogue Ringfeder RfN 4181				Installation Ringfeder RfN 4181

*Technical drawing of Shrink Disc RfN 4181*

Shrink Discs dimensions [mm]				T_A [Nm]	T [Nm]	Gw [kg]	^Tmax [mm]
d x D	d_w	d₁	L
220 x 370	160	270	115.8	570	160000	52.11	176000
	170				182000		200200
	180				206000		226600
240 x 405	170	296	121.4	570	190000	66.58	209000
	180				215000		236500
	200				269000		295900
260 x 430	190	318	128.4	580	247000	77.29	271700
	200				277000		304700
	220				340000		374000
280 x 460	210	340	146.4	570	282000	103.28	310200
	220				313000		344300
	240				380000		418000
300 x 485	220	360	154.1	980	385000	117.05	423500
	230				425000		467500
	250				505000		555500
320 x 520	240	380	156.6	980	444000	132.1	488400
	250				488000		536800
	270				580000		638000
340 x 570	250	402	167.5	980	564000	184.25	620400
	260				612000		673200
	270				668000		734800
360 x 590	270	424	182.7	980	658000	208.11	723800
	280				712000		783200
	300				825000		907500
380 x 640	290	444	185.1	1450	735000	247.5	808500
	300				790000		869000
	310				845000		929500
390 x 650	290	470	186.3	1900	903000	259.55	993300
	300				970000		1067000
	320				1101000		1221000
420 x 670	320	495	203.9	1450	969000	284.75	1065900
	330				1038000		1141800
	350				1183000		1301300
440 x 740	340	518	212.9	1450	1212000	398	1333200
	350				1292000		1421200
	370				1460000		1606000
480 x 790	380	552	243.7	1900	1815000	495.4	1996500
	390				1920000		2112000
	410				2118000		2329800
500 x 835	400	572	238.7	1900	2054000	626.3	2259400
	410				2145000		2359500
	430				2377000		2614700
530 x 850	430	608	260	1900	2397000	653.4	2636700
	440				2520520		2772572
	460				2777417		3055159
560 x 940	450	632	260	1900	2545000	748.7	2799500
	460				2670006		2937006
	480				2929521		3222473
590 x 960	470	654	380	1900	4012000	1173.9	4413200
	480				4199188		4619106
	500				4587043		5045747
620 x 970	500	720	304	1900	3402000	886.7	3742200
	520				3708000		4078800
	540				4028000		4430800
660 x 1040	530	728	418	3500	5758000	1448.2	6333800
	550				6236900		6860590
	570				6735919		7409510
700 x 1140	560	815	315	2700	4518700	1467.5	4970570
	580				4880000		5368000
	600				5258000		5783800
750 x 1150	600	900	340	3500	7669000	1847.5	8435900
	620				8228643		9051507
	650				9106895		10017584
800 x 1230	640	935	373	2700	6897960	1894.4	7587756
	660				7378000		8115800
	700				8390500		9229550

Customers purschasing Shrink Disc Ringfeder at Dai Hong Phat.corp enjoy the following benefits?

– Established since 1922 and with nearly 100 years of professional manufacturing experience in the transmission and shock absorption industry, Ringfeder has acquired invaluable expertise and superior techniques in providing top-notch products and services to customers.
– Dai Hong Phat corp. has partnered with Ringfeder from Germany, a manufacturer of high-quality transmission equipment and shock absorption technology.
– Our company, Đại Hồng Phát, commits to offering Ringfeder products that are 100% genuine, brand new, with certification papers, and clear origin.
– The core value of our cooperation aims to bring significant benefits to customers regarding shaft coupling solutions, not only in Vietnam but also in countries across the Southeast Asian region. The Shrink Disc RfN 4181 distributed by Dai Hong Phat are genuine and authentic.

Contact Dai Hong Phat now for consultation!
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———————————————–
DAI HONG PHAT ENGINEERING SERVICE TRADING MANUFACTURE COMPANY LIMITED
– HCMC Office: 22 Street 11, Khang Dien Residential Area, Duong Dinh Hoi Street, Phuoc Long B Ward, Thu Duc City.
– Ha Noi Office: No. 14-15A, 7th Floor, Charmvit Building, No. 117 Tran Duy Hung, Trung Hoa Ward, Cau Giay District.
– Tel HCM: +84.28.22536631 – 22536632 – 66818587
– Hotline: +84906 955 057 | Fax: 028.22536632
– Email: info@dhp-corp.com.vn
– Website: https://www.en.daihongphat.asia/
– Partner website: https://www.ringfeder.com/