Product Description
PGCLZ Drum Gear Coupling with Brake Disc (Q/LZP02.03-2005)
Product Description
♦Description
Drum gear type coupling belongs to rigid flexible coupling, gear type coupling is composed of inner gear ring and flange half coupling with outer gear with same number of teeth.Can improve the contact conditions of teeth, improve the ability to transfer torque, extend the service life.Radial, axial and angular axis deviation compensation ability, has a compact structure, small turning radius, large carrying capacity, high transmission efficiency, low noise and long maintenance cycle, especially suitable for the condition of low speed and heavy loading, such as metallurgy, mining, lifting transportation and other industries, can also be applied to petroleum, chemical industry, general machinery and other kinds of shaft transmission of machine.
♦Main Dimension and Parameter(Q/LZP02.03-2005)
| Type | Nominal Torque Tn/(N·m) |
Allowable Speed (n)/(r/min) |
Bore Diameter d1d2dz |
Bore Length (L) |
D0 | D | D1 | D2 | D3 | L0 | T | C1 | C2 | e | Grease dosage(v) mL |
Mess (m) kg |
Rotary inertia(l) L/(kg·m2) |
||
| Driven | Drive | Y | J1Z1 | ||||||||||||||||
| PGCLZ1 | 630 | 4000 | 20 | 24 | 52 | 38 | 315 | 125 | 95 | 60 | 80 | 90 | 30 | 25 | 39 | 30 | 60 | 5.4 | 0.01 |
| PGCLZ2 | 1120 | 4000 | 25 | 28 | 62 | 44 | 315 | 144 | 120 | 75 | 95 | 105 | 30 | 25.5 | 44 | 30 | 110 | 9.2 | 0.02 |
| PGCLZ3 | 2240 | 3550 | 30 | 38 | 82 | 60 | 355 | 174 | 140 | 95 | 115 | 130 | 30 | 18 | 40 | 30 | 155 | 16.4 | 0.04 |
| PGCLZ4 | 3550 | 2500 | 32 | 38 | 82 | 60 | 40 | 196 | 165 | 115 | 130 | 130 | 30 | 29 | 47 | 30 | 190 | 22.7 | 0.08 |
| PGCLZ5 | 5000 | 2500 | 40 | 56 | 112 | 84 | 400 | 224 | 183 | 130 | 150 | 150 | 30 | 18 | 43 | 30 | 300 | 36.2 | 0.15 |
| PGCLZ6 | 7100 | 2000 | 48 | 56 | 112 | 84 | 450 | 241 | 200 | 145 | 170 | 155 | 30 | 21 | 50 | 30 | 420 | 46.2 | 0.24 |
| PGCLZ7 | 10000 | 1700 | 60 | 75 | 142 | 107 | 450 | 265 | 230 | 160 | 190 | 180 | 30 | 19 | 50 | 30 | 630 | 68.4 | 0.43 |
| PGCLZ8 | 14000 | 1700 | 65 | 75 | 142 | 107 | 500 | 285 | 245 | 175 | 210 | 180 | 30 | 20 | 50 | 30 | 730 | 81.1 | 0.61 |
| PGCLZ9 | 18000 | 1600 | 70 | 75 | 142 | 107 | 560 | 314 | 270 | 200 | 225 | 200 | 30 | 25 | 60 | 30 | 770 | 100.1 | 0.94 |
| PGCLZ10 | 31500 | 1600 | 80 | 95 | 172 | 132 | 800 | 346 | 300 | 220 | 250 | 230 | 30 | 20 | 58 | 30 | 990 | 147.1 | 1.67 |
| PGCLZ11 | 40000 | 1400 | 100 | 120 | 212 | 167 | 800 | 385 | 330 | 260 | 285 | 260 | 30 | 21 | 64 | 40 | 1300 | 206.3 | 2.98 |
| PGCLZ12 | 56000 | 1400 | – | 120 | 212 | 167 | 900 | 442 | 380 | 290 | 325 | 280 | 30 | 21 | 72 | 40 | 2200 | 284.5 | 5.31 |
| PGCLZ13 | 80000 | 1400 | 140 | 150 | 252 | 202 | 900 | 482 | 420 | 320 | 360 | 320 | 30 | 22 | 70 | 40 | 3300 | 402 | 9.16 |
| PGCLZ14 | 112000 | 1200 | 160 | 180 | 302 | 242 | 900 | 520 | 465 | 360 | 410 | 360 | 30 | 23 | 85 | 40 | 4900 | 582.2 | 15.92 |
Note:
1. The mass and moment of inertia of the coupling are approximate values calculated according to the minimum shaft hole diameter and maximum shaft hole length in each type;
2. The maximum braking torque Tm of the coupling shall not exceed 2 times of the nominal torque Tn, that is, Tm≤ 2Tn;
3. e is the size required for sealing;
4. The combination of coupling shaft hole is Z1/J1, Y/Y, J1/J1, Y/J1.
Other products
♦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 |
Company Profile
♦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 26 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 service
♦Our Services
1. Design Services
Our design team has experience in Cardan shafts 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 a special test by Professional Staff according to the standard of ISO9001 and TS16949.
FAQ
♦FAQ
Q 1: Are you a trading company or a 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 in 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 the cost of the sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.
Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.
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: T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
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Materials Used in Manufacturing Disc Couplings
Disc couplings are typically constructed using a combination of high-quality materials that contribute to their durability, strength, and performance. Some commonly used materials include:
- Stainless Steel: Stainless steel is a popular choice due to its corrosion resistance and high strength-to-weight ratio. It ensures longevity and can withstand harsh environments.
- Aluminum: Aluminum is known for its lightweight properties and is often used in applications where weight reduction is essential while maintaining reasonable strength.
- Steel: Carbon or alloy steel is chosen for its robustness and ability to handle high torque loads and harsh operating conditions.
- Bronze or Brass: These materials can be used in specific applications where electrical conductivity is a concern, or when friction and wear properties are important.
The selection of materials depends on factors such as the coupling’s intended application, torque requirements, environmental conditions, and the desired balance between strength, weight, and resistance to wear and corrosion.

Customization of Disc Couplings for Specific Machinery Requirements
Disc couplings can indeed be customized to match specific machinery requirements and limitations:
- Size and Configuration: Disc couplings can be tailored in terms of size and disc configuration to accommodate space restrictions and torsional load demands.
- Material Selection: The choice of materials for the disc packs can be customized to ensure compatibility with the operational environment, such as temperature, corrosion resistance, and other factors.
- Performance Parameters: Disc couplings can be designed to meet specific performance parameters, including torque capacity, misalignment accommodation, and torsional stiffness.
- Attachment and Hub Designs: The attachment mechanisms and hub designs can be customized to seamlessly integrate with the existing machinery components.
- Specialized Applications: Manufacturers can create disc couplings with unique features for specialized applications, such as those requiring higher precision, critical alignment, or specific levels of vibration dampening.
Through customization, disc couplings can effectively address the unique requirements and limitations of various machinery systems, enhancing their performance and reliability.

Function of Disc Couplings in Torque Transmission and Misalignment Compensation
Disc couplings are designed to transmit torque between two shafts while accommodating various forms of misalignment. The primary components of a disc coupling include two hubs and a flexible disc element made of a resilient material such as stainless steel. Here’s how a disc coupling works to transmit torque and handle misalignment:
- Torque Transmission: When torque is applied to one hub of the disc coupling, it induces angular displacement in the flexible disc. The flexible disc element bends slightly, allowing the torque to be transmitted from one hub to the other. This bending action of the disc results in an elastic deformation, which helps maintain the torque transfer.
- Angular Misalignment Compensation: Disc couplings can accommodate angular misalignment between the two connected shafts. As the hubs are misaligned angularly, the flexible disc element compensates by bending at an angle. The disc’s flexibility and the elastic properties of the material allow it to absorb and accommodate the angular misalignment without transmitting excessive forces to the connected machinery.
- Parallel Misalignment Compensation: In cases of parallel misalignment, where the axes of the two shafts are not perfectly aligned, the disc coupling can also absorb a certain degree of parallel offset. The flexibility of the disc allows for slight axial movement, ensuring that the hubs remain connected even when there’s a minor parallel misalignment.
- Torsional Stiffness: While disc couplings are designed to accommodate misalignment, they also exhibit torsional stiffness. This means that under normal operating conditions, the disc coupling remains rigid enough to efficiently transmit torque between the shafts, minimizing torsional deflection and maintaining the integrity of torque transfer.
The design and material properties of the flexible disc element play a crucial role in determining the coupling’s ability to handle misalignment while transmitting torque effectively. Disc couplings are widely used in various industrial applications where torque transmission and misalignment compensation are critical requirements.


editor by CX 2024-05-13