Serpentine Spring Shaft Grid Flexible Coupling Fitting Spring

• Customization: Available
• Standard Or Nonstandard: Standard
• Shaft Hole: 8-24
• Model NO.: Grid Coupling
• Torque: >80N.M
• Bore Diameter: 19mm
• Speed: 4000r/M
• Structure: Flexible
• Material: Stainless Steel
• Type: Elastic Coupling
• Torque Capacity: 1,000–500,000 Nm
• Speed Range: 0–10,000 Rpm
• Radial Misalignment: ±0.5–±1.5 mm
• Angular Misalignment: ±0.5°–±1.5°
• Axial Displacement: ±1–±5 mm
• Operating Temperature: -30°c to +300°c
• Grid Spring Life: 5–10 Years (Maintenance-Free)
• Weight: 2–500 Kg (Size-Dependent)
• Mechanical Fuse Action: 200% Overload
• Lubrication-Free: Self-Lubricating
• Modular Replacement: Downtime by 50% Vs. Full Coupling Swaps.
• Stock: Yes
• Packing: Wooden Box
• Application: Mining Crushers/Wind Turbines/Food Processing
• Certificate: ISO9001; BV Certificate
• Transport Package: Wooden Case
• Specification: Customized
• Trademark: Nuodis
• Origin: Shandong, China
• HS Code: 8483900090
• Production Capacity: 5000pieces/Week
• Package Size: 20.00cm * 20.00cm * 20.00cm
• Package Gross Weight: 8.000kg

Product Description

Serpentine Spring Shaft Grid Flexible Coupling Fitting Spring

Product Description

Grid couplings (also known as spring grid couplings) are highly durable flexible couplings designed for heavy-duty power transmission. They are widely used in industries requiring high torque capacity, misalignment tolerance, and vibration damping.

 

Key Applications of Grid Couplings

1. Heavy Industrial Machinery

• Mining & Cement Industry: Used in ball mills, crushers, and conveyor drives due to high shock load resistance.

• Steel & Metal Processing: Ideal for rolling mills and continuous casting machines (handles torque up to 500,000 Nm).

2. Energy & Power Generation

• Wind Turbines: Compensates for shaft misalignment caused by tower flexing.

• Gas Turbines: Absorbs vibration in high-speed power transmission (up to 10,000 RPM).

3. Marine & Offshore

• Propulsion Systems: DNV-GL certified versions resist saltwater corrosion.

• Pump Drives: Handles angular misalignment (±1.5°) in confined engine rooms.

4. General Manufacturing

• Paper Mills: Withstands wet conditions and sudden load changes.

• Pump & Compressor Systems: Reduces downtime with maintenance-free operation.

Grid Coupling vs. Other Couplings

Feature	Grid Coupling	Gear Coupling	Disc Coupling
Max Torque	★★★★★	★★★★	★★★
Vibration Damping	★★★★☆	★★☆	★★★☆
Maintenance	★★★★★	★★☆	★★★★
Cost	$$$	$$	$$$$

 

Conclusion

Grid couplings are the optimal choice for industries needing high torque, misalignment tolerance, and minimal maintenance. Their robust design ensures reliability in:
- Mining & Cement
- Energy & Marine
- Heavy Manufacturing
 

PRODUCT DETAILS

GRID COUPLINGS can carry considerable torques despite their compact sizes. This type of all-metal flexible coupling is mainly used to reduce the transmission of vibration and shock loading, while allowing both angular and parallel misalignments within their operational limits.
When a heavy overload happens, or an excessive misalignment occurs, the grid and its cover fail, acting as a safety device. This way, the transmission of torque is interrupted, and other costlier components of the drive are protected against damage.
Compared to others, this type of coupling has a simpler installation and repair. Besides, grid couplings have higher reliability. Therefore, they require less and shorter maintenance inspections.

 

PRODUCT ADVANTAGES

6 Major Advantages of Grid Couplings

1. High Torque Capacity

• Metal grid spring design transmits higher torque than gear couplings of similar size.

• Example: Replaces gear couplings in crushers, increasing service life by 40%.

2. Superior Misalignment Compensation

Type	Allowable Range
Radial	±1.2 mm
Angular	±1.5°
Axial	±3 mm

3. Vibration & Shock Damping

• Elastic grid absorbs 70% more vibration than rigid couplings.

• Critical for protecting bearings in pumps and compressors.

4. Long Service Life

• No lubrication needed (unlike gear couplings).

• Sintered metal grids last 8-10 years in harsh environments.

5. Fail-Safe Design

• Grid springs act as a mechanical fuse, breaking at 200-250% overload to protect machinery.

6. Easy Maintenance

• Split-hub design allows quick replacement without moving equipment.

• No alignment tools required during installation.

 

Company Profile

Shandong NDS Mechanical Equipment Co., Ltd.is a comprehensive machinery manufacturingenterprise integrating R&D, production, sales, and service. Headquartered in Boshan District, Zibo City,Shandong Province, it has branch offices in Henan and Shenyang. The company's leader, with 15 years of experience in mechanical manufacturing, personally leads the team in production optimizationand market expansion, accurately grasping customer needs and continuously promoting producttechnology upgrades. Since its establishment, the company has established long-term businesspartnerships with numerous manufacturers, We consistently prioritize customer needs, striving tomeet their demands and drive product technology upgrades.

The company boasts modern production workshops and advanced equipment. We focus on themachinery manufacturing field and are dedicated to providing high-quality products to our customers.Our main products include pulleys, couplings, synchronous pulleys, gears, racks, sprockets, clampingsleeves, bearing housings, worm gears, and other transmission components, as well as mechanical andelectrical equipment, and mechanical parts and components, These products are widely used in variousindustries, including automobile manufacturing, CNC machine tools, metallurgy, mining machinery,agricultural machinery, power generation, chemical industry, wind power, and petroleum.

FAQ

Q1: Do you provide samples? ls it free or extra?
A: Yes, we provide samples free of charge, though the cost of freight is notincluded.

Q2: Do you provide OEM order service?
A: Yes, we provide ODM&OEM services to customers around the world, and wecan customize different brands and different sizes of packaging boxesaccording to customers' requirements.

Q3: Do you have own factory?
A: Yes, we specialized in mechanical parts manufacturing for 15 years.

Q4: How long is your delivery time?
A: The standard parts are expected to be shipped in about 10 days, while thenon-standard custom parts are expected to be shipped in about 30 days. Thedelivery times vary depending on the specific product.

Q5: What are your packing conditions?
A: We use standardized export packaging.