Skip to main content
Home / Couplings / Diaphragm Coupling, Aluminum Alloy Elastic Single/Double Diaphragm Laminated Coupling for Servo Motor Lead Screws

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Couplings
Origin -
Material High-Grade Aluminum Alloy
Coupling Type Single/Double Diaphragm Laminated
Application Servo Motor and Lead Screw Systems
Flexibility High Torsional Rigidity with Elastic Compensation
Misalignment Capability Compensates for Angular, Parallel, and Axial Misalignment
Surface Treatment Anodized for Corrosion Resistance
Operating Temperature -20°C to +80°C
Backlash Zero Backlash Design
Maintenance Maintenance-Free Operation
Compatibility Standard NEMA Motor Shafts

6 reviews

A

Anonymous

Mar 28, 2026

Rating: 5/5

Exceeded expectations

I was skeptical about the price point, but the quality rivals brands costing twice as much. The elastic element provides just the right amount of flex.

A

Anonymous

Mar 20, 2026

Rating: 5/5

Great vibration damping

The diaphragm design does an excellent job of absorbing vibrations from the motor. My 3D printer runs much smoother now.

A

Anonymous

Mar 14, 2026

Rating: 5/5

Perfect for my CNC upgrade

Installed this on my Z-axis servo motor. The zero backlash is noticeable immediately, and the build quality feels premium. Highly recommended for precision machinery.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Reliable industrial component

Bought five of these for our production line. They have been running 24/7 for a month without any issues. Great value for money.

A

Anonymous

Mar 02, 2026

Rating: 4/5

Solid performance

Works exactly as described. The aluminum alloy is lightweight yet durable. Only giving 4 stars because the installation instructions could be more detailed.

A

Anonymous

Mar 02, 2026

Rating: 4/5

Good fit but tight tolerance

The coupling fits well, but the bore tolerance is very tight. Make sure your shaft dimensions are precise before ordering. Otherwise, it's a great product.

5 FAQ

Q: Does this coupling come in different bore sizes?

A: Yes, we offer various bore sizes to match standard servo motor shafts. Please check the size selection menu or contact us for custom boring services.

Q: What lubrication is required for maintenance?

A: This coupling is maintenance-free and does not require any lubrication. The elastic diaphragm elements operate without friction against other parts.

Q: Can this handle high-speed applications above 3000 RPM?

A: Absolutely. The balanced aluminum alloy construction is designed to handle high rotational speeds typically found in servo applications without vibration issues.

Q: Will this work with a stepper motor instead of a servo?

A: Yes, this coupling is compatible with both servo and stepper motors as long as the shaft diameter matches and the torque requirements are within the coupling's rating.

Q: Is the double diaphragm version better than the single one?

A: The double diaphragm version offers greater misalignment compensation and flexibility, while the single version provides slightly higher torsional stiffness. Choose based on your specific alignment needs.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Industrial Ultrasonic Emulsification and Dispersion System - Anti-Foam Vibration for Pipeline Inner Wall Cleaning

Industrial Ultrasonic Emulsification and Dispersion System - Anti-Foam Vibration for Pipeline Inner Wall Cleaning

$31,250.00

Commercial Small Electric Food Warmer Display Case for Fried Chicken, Burgers, Pies, Egg Tarts, and Youtiao - Constant Temperature Heating Cabinet for Breakfast

Commercial Small Electric Food Warmer Display Case for Fried Chicken, Burgers, Pies, Egg Tarts, and Youtiao - Constant Temperature Heating Cabinet for Breakfast

$623.00

Universal Triangular Stand for Mineral Water Bottles – Inverted Dispenser Rack for Water Coolers and Bottled Water Extraction

Universal Triangular Stand for Mineral Water Bottles – Inverted Dispenser Rack for Water Coolers and Bottled Water Extraction

$5.10

Manufacturer Supply By-Product Cleaning Equipment, Fully Automatic Cylindrical Pig Tripe Degreaser and Cleaner for Cattle and Sheep Stomachs

Manufacturer Supply By-Product Cleaning Equipment, Fully Automatic Cylindrical Pig Tripe Degreaser and Cleaner for Cattle and Sheep Stomachs

$1,600.00

CANDLE.LAB | DIY Aromatherapy Candle Supplies, Natural Refined White Beeswax Pellets, Handmade Soap Materials #27

CANDLE.LAB | DIY Aromatherapy Candle Supplies, Natural Refined White Beeswax Pellets, Handmade Soap Materials #27

$9.00

No-Shave Hair Transplant by Yongxiang Dean Team [Premium Customization], Unlimited Graft Count, Pain Management for Transplant Area

No-Shave Hair Transplant by Yongxiang Dean Team [Premium Customization], Unlimited Graft Count, Pain Management for Transplant Area

$200,000.00

Kitchen Sink Drainage Mat - Sloped Countertop Drying Pad with Foldable Narrow Edges, Faucet Splash Guard, Storage Mat

Kitchen Sink Drainage Mat - Sloped Countertop Drying Pad with Foldable Narrow Edges, Faucet Splash Guard, Storage Mat

$3.57

UE5 Unreal Engine 5.2-5.7 Physical Assembly System Physics Plugin

UE5 Unreal Engine 5.2-5.7 Physical Assembly System Physics Plugin

$0.50

[Damai Holds Micro-Needle Hair Transplant Patent] Female Hairline | Non-Shaven Transplant 1000 Units | Forehead

[Damai Holds Micro-Needle Hair Transplant Patent] Female Hairline | Non-Shaven Transplant 1000 Units | Forehead

$17,000.00

Air Baffle for ABB ACS550-X2 R8 IP21 VFD

Air Baffle for ABB ACS550-X2 R8 IP21 VFD

$3,450.00

Outdoor Waterproof Shockproof EDC Storage Box, Sealed Gear Case for Small Items

Outdoor Waterproof Shockproof EDC Storage Box, Sealed Gear Case for Small Items

$5.10

Zhizhi Lin Zexu Small Regular Script Diamond Character Card Kaishu Copybook Porcelain Blue Gold Characters Brush Calligraphy Practice Folding Card

Zhizhi Lin Zexu Small Regular Script Diamond Character Card Kaishu Copybook Porcelain Blue Gold Characters Brush Calligraphy Practice Folding Card

$68.00

Maotaizi Dual-Tip Dual-Color Glitter Markers for Kids - Non-Toxic Soft Tip Colored Pens for Elementary Art

Maotaizi Dual-Tip Dual-Color Glitter Markers for Kids - Non-Toxic Soft Tip Colored Pens for Elementary Art

$16.90

Tire Removal Socket Wrench and Spare Tire Tool Kit for Zhengzhou Nissan Paladin, Aoting, and Dongfeng Ruiqi Pickup Trucks

Tire Removal Socket Wrench and Spare Tire Tool Kit for Zhengzhou Nissan Paladin, Aoting, and Dongfeng Ruiqi Pickup Trucks

$16.90

Zhimo Ke Xingkai Technique Calligraphy Copybook - Upgraded Edition with Text, Images, and Video Tutorials for Beginners

Zhimo Ke Xingkai Technique Calligraphy Copybook - Upgraded Edition with Text, Images, and Video Tutorials for Beginners

$30.60

Small-Scale Yogurt Processing Production Line, Blended Yogurt Fermentation Equipment, Organic Milk Filling Machine

Small-Scale Yogurt Processing Production Line, Blended Yogurt Fermentation Equipment, Organic Milk Filling Machine

$115,920.00

Compact Manual Hot Stamping Machine for Logos, Business Cards, Leather Wallets, Plastic, and Wood - Heat Embossing and Branding Tool

Compact Manual Hot Stamping Machine for Logos, Business Cards, Leather Wallets, Plastic, and Wood - Heat Embossing and Branding Tool

$500.76

DIY Handmade Soap Mold – Single Square Silicone Mold for Homemade Soap

DIY Handmade Soap Mold – Single Square Silicone Mold for Homemade Soap

$1.96

Wall-Mounted Facial Towel Dispenser Transparent Upside-Down Design

Wall-Mounted Facial Towel Dispenser Transparent Upside-Down Design

$4.50

Colorful Ground Thread Inserts 16ER/IR1.0/2.0/3.0/3.5 ISO AG55/60 for High-Hardness Quenched Steel

Colorful Ground Thread Inserts 16ER/IR1.0/2.0/3.0/3.5 ISO AG55/60 for High-Hardness Quenched Steel

$19.80

Jiuzheng Tongming Submerged Solenoid Pulse Valve TMF-Y-25/40/50/62/76S, Dust Removal Pulse Blowing Valve

Jiuzheng Tongming Submerged Solenoid Pulse Valve TMF-Y-25/40/50/62/76S, Dust Removal Pulse Blowing Valve

$150.00

Large Water Bucket Stand – Storage Rack for Office Purified Water Dispensers and Mineral Water Containers

Large Water Bucket Stand – Storage Rack for Office Purified Water Dispensers and Mineral Water Containers

$282.56

Double Loop Chain Lifting Sling, Manganese Steel Double-End Ring Hoisting Chain, G80 Manganese Steel Lifting Rigging 1/2/3/5T

Double Loop Chain Lifting Sling, Manganese Steel Double-End Ring Hoisting Chain, G80 Manganese Steel Lifting Rigging 1/2/3/5T

$98.00

Hesdige JG-376 Portable Stone Removal Hook - Multi-Function Tool for Cleaning Gravel from Car Tire Treads

Hesdige JG-376 Portable Stone Removal Hook - Multi-Function Tool for Cleaning Gravel from Car Tire Treads

$16.91

Used 90% Condition Removed Car Tires 165 175 185 195 205 215 225 235/50 55 60 65 R13 14 15 16 17

Used 90% Condition Removed Car Tires 165 175 185 195 205 215 225 235/50 55 60 65 R13 14 15 16 17

$68.00

Blower Assembly AC Motor Fan for Changan CS75, Raeton CC, Oshan A800, and CS35 - Original Equipment

Blower Assembly AC Motor Fan for Changan CS75, Raeton CC, Oshan A800, and CS35 - Original Equipment

$427.73

Professional Sketch Blending Knife - Gray Tone Sponge Blender for Details and Highlights - Art Exam Tool

Professional Sketch Blending Knife - Gray Tone Sponge Blender for Details and Highlights - Art Exam Tool

$2.90

Yuanzhi Water Bucket Rack 3/4/5 Tier Single Row with Board V-Shaped Water/Paper Cup Pure Mineral Water Bucket Storage Stand

Yuanzhi Water Bucket Rack 3/4/5 Tier Single Row with Board V-Shaped Water/Paper Cup Pure Mineral Water Bucket Storage Stand

$143.00

Rubber Wheel Chock 460x180x160 Anti-Slip Triangular Wedge

Rubber Wheel Chock 460x180x160 Anti-Slip Triangular Wedge

$354.33

Household Small Range Hood Portable USB Desktop Smoke Extractor for Living Room Hot Pot BBQ Odor Removal Mini Fume Extractor

Household Small Range Hood Portable USB Desktop Smoke Extractor for Living Room Hot Pot BBQ Odor Removal Mini Fume Extractor

$39.00