Product Description
Product Description
GR Turret Shaft Coupling Spider Insert Coupling Elastomer Elastic Buffers
The elastomer insert is equalizing element of coupling. It transmits torque without backlash or vibration. The elastomer insert defines the characteristics of the entire drive system. Backlash is eliminated by the press fit of the elastomer into the hubs. Through variation of the shore hardness of the elastomer insert, the coupling system can be optimized for the ideal torsional characteristics.
GR spider insert for jaw coupling, PU spacer, instead of KTR CZPT elastomer. This GR spider are used for mechanical jaw coupling, as a joint in the transmission shaft. Running quality and service life of the coupling are improved by special pu.
GR Turret Shaft Coupling Spider Insert Coupling Elastomer Elastic Buffers
Torsion: 22.4~2500NM
Wear And Tear: <0.05cm3 / 1.61km
Material: Thermally Stable TPU
Hardness: Yellow SHA 92, Blue SHA95, Red SHA98
Temperature: -40~100°C
Standard: KTR, Germany
| Part No. | D (mm) | d (mm) | H (mm) | No. Of Teeth | Net Weight (g/pc) |
| GR-10 | 19 | 8 | 8 | 4 | 5 |
| GR-14 | 30 | 10 | 10 | 4 | 5 |
| GR-19 | 40 | 18 | 12 | 6 | 6 |
| GR-24 | 54 | 26 | 14 | 8 | 15 |
| GR-28 | 65 | 30 | 15 | 8 | 25 |
| GR-38 | 80 | 38 | 18 | 8 | 45 |
| GR-42 | 95 | 46 | 20 | 8 | 66 |
| GR-48 | 104 | 51 | 21 | 8 | 90 |
| GR-55 | 120 | 60 | 22 | 8 | 116 |
| GR-65 | 135 | 68 | 26 | 8 | 170 |
| GR-75 | 160 | 80 | 30 | 10 | 320 |
| GR-90 | 199 | 100 | 34 | 10 | 540 |
| GR-100 | 225 | 113 | 38 | 10 | 775 |
| GR-110 | 255 | 127 | 42 | 10 | Â |
| GR-125 | 290 | 147 | 46 | 10 | Â |
| GR-140 | 320 | 165 | 50 | 10 | Â |
| GR-160 | 370 | 190 | 57 | 10 | Â |
| GR-180 | 420 | 220 | 64 | 12 | Â |
GR Turret Shaft Coupling Spider Insert Coupling Elastomer Elastic Buffers
PRODUCT ADVANTAGES
With special secret formula, our coupling spiders can be stably operated for 2~5 years under different working conditions, which is very closed to the KTR’s service life.
More Products:
Various types of couplings rubber elastomer models are as follows:
MT rubber coupling (MT1-MT13),
GR rubber coupling (GR10-GR180),
GS rubber coupling (GS7-GS90),
T Hexagon back wheel coupling (hexagonal elasticity pad T70 ~ 210).,
the fluid coupling (YOX),
L-type claw coupling hexagonal coupling (L35-L276),
H-type elastic block (H80-H350),
NM couplings elastomer (NM50 -NM214).
HRC Coupling elastomer (HRC60-HRC280).
Gear Sleeve Rubber Coupling Elastomer cushion (gear 4J-10J).
NL inner tooth gear coupling sleeve (NL1-NL10).
Oldham and non-standard high strength Spider rubber coupling.Â
Main Products:
custom couplings Plum pad, HRC couplings, Martin couplings, HRC couplings supply elastomer, HRC couplings elastic block, Gear Sleeve Rubber Coupling Elastomer, block rubber supply couplings, coupling rubber parts, coupling is rubber body, ZheJiang custom rubber gear coupling, screw compressor couplings, rubber supply gear couplings, Atlas coupling, screw compressor coupling, ZheJiang  wholesale production of polyurethane gear, supply H-linking couplings, H-shaped elastic block coupling, H-type coupling rubber elastomer blocks
Please inquire us if you need Rubber Coupling Elastomer and other types couplings inserts.
| Different  Types  Of  Hydraulic  Seals | ||
| Application | Type | Material |
| Rod Seals | UN | Â TPU(PU,Polyurethane)Â |
| UNS | Â TPU(PU,Polyurethane) | |
| UHS | Â TPU(PU,Polyurethane) | |
| IDU | Â TPU(PU,Polyurethane) | |
| U+S | Â PU+NBR | |
| UPH | Â NBR & FKM | |
| Step Seal | Â NBR+PTFE | |
| VES | Â Rubber+Fabric | |
| IDI | Â PU | |
| ISI | Â PU | |
| Piston Seals | SPG | Â NBR+PTFE |
| SPGW | Â NBR+PTFE | |
| SPGO | Â NBR+PTFE | |
| KDAS | Â NBR+PU+POM | |
| ODI | Â PU | |
| OSI | Â PU | |
| ODU | Â PU | |
| Dust Wiper Seals | DH/DHS | Â PU |
| LBH | Â NBR & FKMÂ | |
| J/JA | Â PU | |
| DKB | Â NBR & FKM +Metal | |
| DKBI | Â PU+Metal | |
| DSI | Â PU | |
| Wear Ring | WR | Â Phenolic Fabric |
| Xihu (West Lake) Dis. Tape | Â PTFE | |
| Xihu (West Lake) Dis. Tape | Â Phenolic Fabric | |
| Buffer Seal | HBY | Â PU+Nylon |
| Back-up Ring | O-Ring | Â NBR & FKM |
| X-Ring | Â NBR & FKM | |
| PTFE Washer | Â PTFE | |
GR Turret Shaft Coupling Spider Insert Coupling Elastomer Elastic Buffers
| Different  Type  Rotary  Shaft  Oil  Seal | ||||
| Type | Material | Lip | Spring | Feature |
| TC | NBR & FKM | Double Lips | Single | Metal Coverd Rubber |
| TB | NBR | Double Lips | Single | Metal Case |
| TA | NBR | Double Lips | Single | Metal Case |
| SC | NBR & FKM | Single | Single | Double Metal Shell |
| SB | NBR | Single | Single | Metal Case |
| SA | NBR | Single | Single | Double Metal Shell |
| DC | NBR | Double Lips | Double | Double Springs |
| VC | NBR & FKM | Single | Without | Metal Coverd Rubber |
| VB | NBR | Single | Without | Metal Case |
| TCV | NBR | Double Lips | Single | High Pressure |
| TCN | NBR | Double Lips | Single | High Pressure |
| PTFE | PTFE | Single &Â Double Lips | Without | Stainless steel |
| HTCL | NBR & FKM | Double Lips | Single | Inside thread L |
| HTCR | NBR & FKM | Double Lips | Single | Inside thread R |
| …………………………………………………………………………………………… More types please contact us. Customization is welcome. |
||||
Related Products
GR Turret Shaft Coupling Spider Insert Coupling Elastomer Elastic Buffers
Oil seals serve to prevent the leakage not only of lubricants, but also water, chemicals, and gas from “gaps” in machinery. Oil seals also serve to prevent the intrusion of dust, soil and sand from the outside air.
Company Profile
HangZhou CZPT Sealing Sci-Tech Co., Ltd. is a scientific and technological production enterprise integrating R&D, production and sales. Our production plant covers an area of about 2,000 square CZPT and has 150 employees.
QMS (Quality Management System):
ISO9001, ISO/TS16949
Our Products:Â
O Ring, Oil Seal, Hydraulic & Pneumatic Seal, Custom CZPT Parts
Production Standard:Â
ASTMD2000
Product Application Scope:
Engineering machinery, hydraulic pneumatic, petroleum and natural gas, automobile seals, valves and pipelines, electronic home appliances, food grade, electric power, chemical industry, coal mine, metallurgy, engineering shield machine and other industries, supporting domestic automobile and machinery manufacturers.
We had sell to: Â
More than 40 countries including the United States, Germany, Japan, Britain, Italy, Spain, Russia, Canada, Australia, Malaysia, Philippines, Indonesia, Mexico, Brazil, Peru, Chile, Argentina, Israel, Saudi Arabia, Lebanon, Ukraine, Pakistan, Thailand, Vietnam, etc.Â
Packaging & Shipping
GR Turret Shaft Coupling Spider Insert Coupling Elastomer Elastic Buffers
Ship by express, by air, by sea at buyer’s option.
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FAQ
Q 1. What’s the payment term?
A: We accept T/T 50% deposit and 50% balance against copy of B/L or L/C at sight, West Union,VISA,Paypal is also accepted. rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer
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 Q 3. What is your standard packing?
A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer
Q 4. Could you please tell us the month capacity of your products ?
A: It depends on which model, we produce more than 2500 tons rubber materials per month.
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Q 5. what kind of certificates you have ?
A1: We have been ISO9001:2008 and ISO14001:2004 certified by SGS since 2015.
A2: We have various rubber compounds approved by ROHS and REACH.
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Q6: How to check the quality of the bulk order?
A1: We provide preproduction samples before mass production for all customers if needed.
A2: We accept third party inspection such as TUV, INTERTEK, BV, etc.
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Q 7: Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer
Q8: What materials are available to produce from your side?
A: NBR, EPDM, SILICONE, FPM(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc. tc oi
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Q9: Do you provide maintenance on tooling?
A: We maintain all tooling and will replace as needed.tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture
Q10: How many empolyees you have?
A:We have 150 empolyees at time of December 2571. tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture
If you have any other question, please don’t hesitate to contact us:
GR Turret Shaft Coupling Spider Insert Coupling Elastomer Elastic Buffers
Understanding the Torque and Misalignment Capabilities of Shaft Couplings
Shaft couplings play a critical role in transmitting torque and accommodating misalignment between rotating shafts in mechanical power transmission systems. Understanding their torque and misalignment capabilities is essential for selecting the right coupling for a specific application. Here’s an overview:
Torque Transmission:
The torque capacity of a shaft coupling refers to its ability to transmit rotational force from one shaft to another. It is typically specified in torque units, such as Nm (Newton-meters) or lb-ft (pound-feet). The coupling’s torque capacity depends on its design, size, and material.
When selecting a coupling, it’s crucial to ensure that its torque capacity meets or exceeds the torque requirements of the application. Overloading a coupling beyond its torque capacity can lead to premature failure or damage to the coupling and connected equipment.
Misalignment Compensation:
Shaft misalignment can occur due to various factors, including thermal expansion, manufacturing tolerances, or foundation settling. Misalignment puts additional stress on the coupling and connected components, potentially leading to increased wear and reduced efficiency.
Shaft couplings are designed to compensate for different types of misalignment:
- Angular Misalignment: Occurs when the shafts are not parallel and have an angle between them.
- Parallel Misalignment: Occurs when the shafts are not collinear, resulting in axial displacement.
- Radial Misalignment: Occurs when the shafts have lateral displacement but remain parallel.
The coupling’s misalignment capabilities are specified in terms of angular and axial misalignment values, usually in degrees or millimeters. Different coupling designs can accommodate varying degrees of misalignment, and the choice depends on the specific application and operating conditions.
Flexible Couplings:
Flexible couplings, such as elastomeric or jaw couplings, offer good misalignment compensation. They can handle a combination of angular, parallel, and axial misalignments. However, their torque capacity may be limited compared to rigid couplings.
Rigid Couplings:
Rigid couplings, such as clamp or sleeve couplings, have high torque transmission capabilities but offer minimal misalignment compensation. They are best suited for applications where shafts are well-aligned and precise torque transmission is critical.
Torsional Stiffness:
Another factor to consider is the coupling’s torsional stiffness, which determines how much torsional deflection or twist occurs under load. Some applications, like precision systems, may require couplings with high torsional stiffness to maintain accurate positioning and avoid torsional backlash.
By understanding the torque and misalignment capabilities of shaft couplings, engineers can make informed decisions when selecting a coupling to ensure efficient power transmission and reliable performance in their mechanical systems.
“`
Do Shaft Couplings Require Regular Maintenance, and if so, What Does it Involve?
Yes, shaft couplings do require regular maintenance to ensure their optimal performance, extend their service life, and prevent unexpected failures. The maintenance frequency may vary based on factors such as the coupling type, application, operating conditions, and the manufacturer’s recommendations. Here’s what regular maintenance for shaft couplings typically involves:
1. Visual Inspection:
Regularly inspect the coupling for signs of wear, damage, or misalignment. Check for cracks, corrosion, and worn-out elastomeric elements (if applicable). Look for any abnormal movement or rubbing between the coupling components during operation.
2. Lubrication:
If the shaft coupling requires lubrication, follow the manufacturer’s guidelines for the appropriate lubricant type and frequency. Lubrication helps reduce friction, wear, and noise in the coupling.
3. Alignment Check:
Monitor shaft alignment periodically. Misalignment can lead to premature coupling failure and damage to connected equipment. Make adjustments as needed to keep the shafts properly aligned.
4. Torque Check:
For bolted couplings, periodically check the torque on the bolts to ensure they remain securely fastened. Loose bolts can lead to misalignment and reduce coupling performance.
5. Replace Worn Components:
If any coupling components show signs of wear or damage beyond acceptable limits, replace them promptly with genuine replacement parts from the manufacturer.
6. Environmental Considerations:
In harsh environments with exposure to chemicals, moisture, or extreme temperatures, take additional measures to protect the coupling, such as applying corrosion-resistant coatings or using special materials.
7. Monitoring Coupling Performance:
Implement a monitoring system to track coupling performance and detect any changes or abnormalities early on. This could include temperature monitoring, vibration analysis, or other condition monitoring techniques.
8. Professional Inspection:
Periodically have the coupling and connected machinery inspected by qualified professionals to identify any potential issues that may not be apparent during regular inspections.
By adhering to a regular maintenance schedule and taking proactive measures to address potential issues, you can ensure that your shaft couplings operate reliably and efficiently throughout their service life, minimizing downtime and improving overall system performance.
“`
Diagnosing and Fixing Common Issues with Shaft Couplings
Regular inspection and maintenance of shaft couplings are essential to detect and address common issues that may arise during operation. Here are steps to diagnose and fix some common coupling problems:
1. Abnormal Noise or Vibration:
If you notice unusual noise or excessive vibration during equipment operation, it may indicate misalignment, wear, or damage in the coupling. Check for any visible signs of damage, such as cracks or deformations, and inspect the coupling for proper alignment.
Diagnosis:
Use a vibration analysis tool to measure the vibration levels and identify the frequency of the abnormal vibrations. This can help pinpoint the source of the problem.
Fix:
If misalignment is the cause, adjust the coupling to achieve proper alignment between the shafts. Replace any damaged or worn coupling components, such as spiders or elastomeric inserts, as needed.
2. Excessive Heat:
Feeling excessive heat on the coupling during operation can indicate friction, improper lubrication, or overload conditions.
Diagnosis:
Inspect the coupling and surrounding components for signs of rubbing, lack of lubrication, or overloading.
Fix:
Ensure proper lubrication of the coupling, and check for any interference between the coupling and adjacent parts. Address any overloading issues by adjusting the equipment load or using a coupling with a higher torque capacity.
3. Shaft Movement:
If you observe axial or radial movement in the connected shafts, it may indicate wear or improper installation of the coupling.
Diagnosis:
Check the coupling’s set screws, keyways, or other fastening methods to ensure they are secure and not causing the shaft movement.
Fix:
If the coupling is worn or damaged, replace it with a new one. Ensure proper installation and use appropriate fastening methods to secure the coupling to the shafts.
4. Sheared Shear Pin:
In shear pin couplings, a sheared shear pin indicates overloading or shock loads that exceeded the coupling’s torque capacity.
Diagnosis:
Inspect the shear pin for damage or breakage.
Fix:
Replace the sheared shear pin with a new one of the correct specifications. Address any overloading issues or adjust the equipment to prevent future shearing.
5. Coupling Wear:
Regular wear is normal for couplings, but excessive wear may lead to decreased performance and increased misalignment.
Diagnosis:
Inspect the coupling components for signs of wear, such as worn elastomeric elements or damaged teeth.
Fix:
Replace the worn or damaged components with new ones of the appropriate specifications.
Remember, regular maintenance and periodic inspection are key to diagnosing issues early and preventing severe problems. Always follow the manufacturer’s recommendations for maintenance and replacement schedules to ensure the proper functioning and longevity of the shaft coupling.
“`
editor by CX 2023-08-17