Product Description

WHL Type Cardan Shaft(JB/T7846.1–2007)

Cardan shaft is widely used in rolling mill, punch, straightener, crusher, ship drive,paper making equipment, common machinery, water pump equipment,test bench and other mechanical applications.

Cross type universal joints for straightening machines are mainly suitable for flat sheet straightening machines.
It is also suitable for other mechanical equipment, whose rotation diameter is around 22 ~140mm, and the nominal torque is 31.5-10000N.m.

Axis angle <= 7

Application: straightening machine especially for roller straightening machine and other mechanical machine.

 

·Parameter And Main Dimension(JB/T7846.1–2007)

Type	Nominal Torque Tn/N·m	Gear base end	Gear base end				Straightening machine end					L	Rotary Inertia kg·m2	Max mass kg
		d1	L1		d1	L3	d2	L2		D2	L4
			Y type	J1 type				Y type	J1 type
WHL1	31.5	10,11	25	22	22	45	10,11	25	22	20	45	650	0.00013	1.1
		12,14	32	27	28	55						665	0.00571	1.4
WHL2	80	12,14	32	27	28	55	12,14	32	27	28	55	675	0.00041	2.1
		16,18,19	42	30	36	80						700	0.00097	3
		20,22	52	38	36	80
WHL3	200	16,18,19	42	30	36	80	16,18,19	42	30	36	80	725	0.0012	3.8
		20,22	52	38	36	80
		24	52	38	46	100	20,22	52	38			740	0.0571	5.1
		25,28	62	44	46	100
WHL4	400	24	52	38	46	100	24	52	38	46	100	800	0.0037	7
		25,28	62	44	46	100	25,28	64	44			820	0.0076	9
		30,32,35,38	82	60	58	120
WHL5	800	30,32,35,38	82	60	58	120	30,32,35,38	82	60	58	120	840	0.01	12
		40,42,45,48,50	112	84	70	160						880	0.018	15
WHL6	1400	40,42,45,48,50	112	84	70	160	40,42,45,48,50	112	84	70	160	900	0.571	20
		55,56	112	84	90	200						960	0.053	26
		60,63,65	142	107	90	200
WHL7	3150	55,56	112	84	90	200	55,56	112	84	90	200	1200	0.079	39
		60,63,65	142	107	90	200	60,63,65	142	107			1210	0.15	45
		70,71,75	142	107	115	210
WHL8	7100	70,71,75	142	107	115	210	70,71,75	142	107	115	210	1220	0.17	51
		80,85,90,95	172	132	140	260						1270	0.29	60
WHL9	10000	80,85,90,95	172	132	140	260	80,85,90,95	172	132	140	260	1320	0.37	76

·Note:L-Installation length

·Product Show
 

♦Other Products List

Transmission Machinery  Parts Name	Model
Universal Coupling	WS,WSD,WSP
Cardan Shaft	SWC,SWP,SWZ
Tooth Coupling	CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK
Disc Coupling	JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling	LM
Chain Coupling	GL
Jaw Coupling	LT
Grid Coupling	JS

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3:How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples ? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 month under normal circumstance.

Q 6: What is the MOQ?
A:Usually our MOQ is 1pcs.

Q 7: Do you have inspection procedures for coupling ?
A:100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A:1) T/T.

♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

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Can an Oldham Coupling Reduce Vibration and Backlash in Mechanical Systems?

Yes, an Oldham coupling can help reduce vibration and minimize backlash in mechanical systems, making it a popular choice for applications that require precise and smooth power transmission.

Vibration Reduction: Oldham couplings are designed with a three-piece construction, comprising two hubs and a center disc. The center disc, also known as the spacer, is made of a flexible material such as acetal or nylon. When torque is transmitted through the coupling, the center disc flexes, absorbing any misalignment between the shafts. This flexing action helps dampen vibration and reduces resonance in the system, leading to smoother operation and less mechanical stress on connected components.

Backlash Minimization: Backlash is the amount of play or free movement between the mating parts of a mechanical system. In traditional couplings like gear couplings, there can be significant backlash due to the nature of the gear teeth. However, Oldham couplings have a unique design that allows them to transmit torque with minimal backlash. The center disc provides a small amount of clearance between the hubs, enabling smooth rotation without backlash. This characteristic is especially beneficial in applications that require precise motion control, such as robotics and CNC machines.

Overall, the flexible and backlash-free nature of Oldham couplings makes them well-suited for applications where vibration reduction and precise motion control are essential. By reducing vibration and backlash, Oldham couplings contribute to the overall efficiency, accuracy, and reliability of the mechanical system they are employed in.

Are there Industry Standards or Certifications for Oldham Couplings?

Yes, there are industry standards and certifications that apply to Oldham couplings to ensure their quality, performance, and interchangeability. The most common standards and certifications related to couplings are set by organizations such as the American National Standards Institute (ANSI), the International Organization for Standardization (ISO), and the American Society of Mechanical Engineers (ASME). While these standards might not specifically focus on Oldham couplings, they often include requirements and guidelines that cover various types of flexible couplings, including Oldham couplings.

For example, ANSI B11.20: Safety Requirements for Integrated Manufacturing Systems establishes safety requirements for the design, construction, installation, operation, and maintenance of integrated manufacturing systems. Although not specific to Oldham couplings, this standard may encompass certain aspects of coupling safety.

Additionally, ISO 9001 certification is a widely recognized quality management system certification that many coupling manufacturers strive to achieve. This certification demonstrates a manufacturer’s commitment to producing high-quality products and adhering to rigorous quality control procedures.

When selecting an Oldham coupling, it is essential to check if the manufacturer complies with relevant industry standards and has obtained certifications that demonstrate their commitment to product quality and safety. It is also crucial to consider the specific requirements of your application and whether the chosen coupling meets those needs.

Transmission of Torque in Oldham Couplings

An Oldham coupling is designed to transmit torque between two shafts that are misaligned but parallel to each other. It consists of three components: two hubs (also known as drive hubs) and a center disc. The hubs are connected to their respective shafts, while the center disc sits between them.

The center disc of the Oldham coupling is characterized by slots or keyways on its opposite sides, which engage with the hubs. The slots allow the center disc to slide or float within the hubs while maintaining a constant angular velocity between the shafts.

When torque is applied to the drive hub on one side, it induces a rotational force on the center disc. This rotational force is then transferred to the other drive hub, which results in torque transmission to the second shaft. The center disc acts as an intermediary between the two hubs, compensating for any axial or radial misalignment between the shafts.

Regarding the question of different shaft diameters, the Oldham coupling can accommodate shafts with different diameters as long as the hub design allows for a secure connection. The keyways or slots in the center disc and hubs should be compatible with the shaft dimensions to ensure proper torque transmission and to prevent slippage or damage.

It is essential to select the appropriate size and design of the Oldham coupling to match the shaft diameters and to ensure reliable torque transmission while accommodating any misalignment between the shafts.

editor by CX 2024-03-27