Skip to main content
Home / Couplings / Aluminum Alloy Single/Double/Triple Diaphragm Coupling, Elastic Connection Sleeve, Three-Section Leaf Spring Coupling for Servo Motor with Keyway

Attributes

Brand -
Category Standard Parts, Components & Industrial Consumables / Couplings
Origin -
Material High-Strength Aluminum Alloy
Coupling Type Triple Diaphragm / Three-Section Leaf Spring
Compatibility Servo Motors with Keyway
Origin Brand Standard Japan Tsugami Precision Standards
Warranty Period 4 Years Manufacturer Warranty
Connection Style Elastic Connection Sleeve
Configuration Options Single, Double, or Triple Diaphragm
Primary Application High-Precision Motion Control Systems
Key Feature Zero Backlash and High Torsional Rigidity
Surface Finish Anodized for Corrosion Resistance

6 reviews

A

Anonymous

Mar 27, 2026

Rating: 5/5

Excellent torsional stiffness

As a mechanical engineer, I was looking for a coupling that could handle high torque without backlash. This aluminum alloy unit performs flawlessly. The keyway fit was precise, requiring minimal adjustment during installation.

A

Anonymous

Mar 20, 2026

Rating: 4/5

Great value, fast shipping

The product arrived well-packaged. The three-section leaf spring design seems robust. I deducted one star only because the documentation was a bit sparse, but the part itself works exactly as expected for our automation line.

A

Anonymous

Mar 15, 2026

Rating: 5/5

Reliable under continuous load

We have been running these couplings 24/7 in our packaging facility for six months now. No signs of wear or fatigue. The elastic connection sleeve effectively absorbs minor misalignments, protecting our expensive servo motors.

A

Anonymous

Mar 14, 2026

Rating: 5/5

Perfect for our CNC retrofit

We installed these triple diaphragm couplings on our older CNC machines during a servo upgrade. The alignment tolerance was forgiving, and the vibration damping is noticeable. Build quality feels very solid, matching the description of Japanese precision standards.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Superior to previous brand

Switched from a different manufacturer to this Tsugami-style coupling. The difference in smoothness during acceleration and deceleration phases is immediate. Highly recommend for anyone needing high-precision motion control.

A

Anonymous

Mar 08, 2026

Rating: 4/5

Solid construction

Very happy with the aluminum alloy quality. It is lightweight yet strong. Installation was straightforward with the provided keyway. Would purchase again for future projects.

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 select your specific size from the dropdown menu or contact us for custom machining options.

Q: Can this be used for stepper motors or only servos?

A: While optimized for servo motors with keyways, this coupling is also fully compatible with stepper motors and other precision drive systems requiring zero-backlash connections.

Q: Do you provide installation torque specifications?

A: Yes, detailed installation instructions including specific torque values for the clamp screws are included in the product package and are also available for download on our support page.

Q: What is the maximum allowable parallel misalignment?

A: For the triple diaphragm model, the maximum allowable parallel misalignment is typically 0.2mm, though this can vary slightly by specific bore size. Please refer to the technical datasheet included with your order.

Q: Is the 4-year warranty valid for industrial continuous use?

A: Absolutely. The 4-year warranty covers defects in materials and workmanship even under continuous industrial operation, provided the unit is installed within the specified torque and misalignment limits.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Tongyue Food Warmer Cabinet - Large Capacity Home Kitchen Hot Dish Heater for Autumn and Winter

Tongyue Food Warmer Cabinet - Large Capacity Home Kitchen Hot Dish Heater for Autumn and Winter

$607.20

Taikang Bybo Dental - Swiss Straumann ITI Dental Implants with Metal Abutments (TK)

Taikang Bybo Dental - Swiss Straumann ITI Dental Implants with Metal Abutments (TK)

$20,000.00

Marie's Sketching Blending Stump Set for Artists - Highlight, Shadow, and Detail Tools with Silicone Tips and Sponge Blenders

Marie's Sketching Blending Stump Set for Artists - Highlight, Shadow, and Detail Tools with Silicone Tips and Sponge Blenders

$15.30

Bottled Water Stand – Inverted Rack with Pump Dispenser for Large Mineral/Pure Water Jugs

Bottled Water Stand – Inverted Rack with Pump Dispenser for Large Mineral/Pure Water Jugs

$18.50

Sketching Blending Stump Set - Fine & Round Tip Tools with Replaceable Sponge Heads for Highlight Creation, Drawing Correction, and Tracing

Sketching Blending Stump Set - Fine & Round Tip Tools with Replaceable Sponge Heads for Highlight Creation, Drawing Correction, and Tracing

$7.26

Automatic Retractable Air Hose Reel Auto Repair Car Wash Shop Electric Reel Water Drum PU Air Pipe Sandblasting Hose

Automatic Retractable Air Hose Reel Auto Repair Car Wash Shop Electric Reel Water Drum PU Air Pipe Sandblasting Hose

$72.20

[Live Stream Exclusive] Taikang Bybo Dental - South Korean Dentium Dental Implants for Tooth Loss Restoration

[Live Stream Exclusive] Taikang Bybo Dental - South Korean Dentium Dental Implants for Tooth Loss Restoration

$2,480.00

Food-Grade Silicone Soap Mold - Toast Shape with Little Angel Design zx228

Food-Grade Silicone Soap Mold - Toast Shape with Little Angel Design zx228

$19.40

Ultra-Fast High-Adhesion Strong Clear Packing Tape 4.5/5.5 Width Packaging Tape Large Roll Free Shipping Extra Sticky Type

Ultra-Fast High-Adhesion Strong Clear Packing Tape 4.5/5.5 Width Packaging Tape Large Roll Free Shipping Extra Sticky Type

$729.50

Genuine Yokohama Tires 205/215/225/235/245 45/50/55/60/65 R16/17/18/19

Genuine Yokohama Tires 205/215/225/235/245 45/50/55/60/65 R16/17/18/19

$220.00

Marie's Paper Blending Pen Set for Soft Sketches and Pastels - Professional Art Student Tools Including Blending Knives, Balls, Sponges, and Egg-Shaped Blenders for Oil Pastels and Drawing on Newsprint or Xuan Paper

Marie's Paper Blending Pen Set for Soft Sketches and Pastels - Professional Art Student Tools Including Blending Knives, Balls, Sponges, and Egg-Shaped Blenders for Oil Pastels and Drawing on Newsprint or Xuan Paper

$3.80

Toilet Storage Rack, Bathroom Floor-Standing Shelf, No-Drill Organizer for Toilet and Washing Machine

Toilet Storage Rack, Bathroom Floor-Standing Shelf, No-Drill Organizer for Toilet and Washing Machine

$26.00

Xiaoyaoyou Calligraphy Tracing Scroll - Antique-Style Mechanized Copybook for Beginners, Universal Kai Script Practice

Xiaoyaoyou Calligraphy Tracing Scroll - Antique-Style Mechanized Copybook for Beginners, Universal Kai Script Practice

$9.90

Commercial Tunnel Dryer - Conveyor Line for Drying Vegetables, Fruits, Herbs, and Agricultural Products

Commercial Tunnel Dryer - Conveyor Line for Drying Vegetables, Fruits, Herbs, and Agricultural Products

$36,019.00

Stainless Steel Over-Toilet Storage Rack – Floor-Standing Bathroom Organizer for Narrow Spaces Near Toilet or Washing Machine

Stainless Steel Over-Toilet Storage Rack – Floor-Standing Bathroom Organizer for Narrow Spaces Near Toilet or Washing Machine

$8.42

240 Drum Kit Techniques

240 Drum Kit Techniques

$15.00

ZITAY D-TAP to DC Male Connector Power Cable for V-Mount Battery, Atomos Monitor Power Supply

ZITAY D-TAP to DC Male Connector Power Cable for V-Mount Battery, Atomos Monitor Power Supply

$59.00

2025 New Flexible Silicone Food Warmer Plate - Multi-Functional and Rollable

2025 New Flexible Silicone Food Warmer Plate - Multi-Functional and Rollable

$185.00

Michelin Tires 225 235 245 255 275/45 50 55 60R17 18 19 20 21 Run-Flat

Michelin Tires 225 235 245 255 275/45 50 55 60R17 18 19 20 21 Run-Flat

$400.00

Narrow Gap Storage Rack for Behind Toilet - Bathroom Organizer Cabinet, Plastic Floor-Standing Unit for Restroom or Balcony

Narrow Gap Storage Rack for Behind Toilet - Bathroom Organizer Cabinet, Plastic Floor-Standing Unit for Restroom or Balcony

$24.20

Authentic Kayou Ultraman Cards - Zero & Tiga Classic Edition Full Box Deluxe Set with Max Star Cards (10 Yuan Pack)

Authentic Kayou Ultraman Cards - Zero & Tiga Classic Edition Full Box Deluxe Set with Max Star Cards (10 Yuan Pack)

$8.50

[800N] Electric Wrench Pure Copper Brushless Lithium Battery Electric Wrench for Scaffolders, Carpenters, and Auto Mechanics

[800N] Electric Wrench Pure Copper Brushless Lithium Battery Electric Wrench for Scaffolders, Carpenters, and Auto Mechanics

$287.00

Aromatherapy Candle Essential Oil, Soluble Fragrance Oil, Lily and Mint Scent, High Concentration Diffuser Stone and Soap DIY Material

Aromatherapy Candle Essential Oil, Soluble Fragrance Oil, Lily and Mint Scent, High Concentration Diffuser Stone and Soap DIY Material

$3.90

Disiple Commercial Fried Chicken Warmer with Heat Lamp for Egg Tarts, Chestnuts, and Sweet Potatoes

Disiple Commercial Fried Chicken Warmer with Heat Lamp for Egg Tarts, Chestnuts, and Sweet Potatoes

$1,045.00

Baby Rattle with Chewable Goat Skin - Traditional Wooden Hand-Shaken Toy for Newborns

Baby Rattle with Chewable Goat Skin - Traditional Wooden Hand-Shaken Toy for Newborns

$8.42

Low-Temperature 3D Stereoscopic Drawing Pen for Kids, 3D Printing Pen Consumables PCL Filament Coil

Low-Temperature 3D Stereoscopic Drawing Pen for Kids, 3D Printing Pen Consumables PCL Filament Coil

$10.20

GHL Small Wet Mixing Granulator Chicken Essence Feed Pelletizer Lab High-Speed Wet Mixing Granulator

GHL Small Wet Mixing Granulator Chicken Essence Feed Pelletizer Lab High-Speed Wet Mixing Granulator

$36,000.00

[Damai Holds Micro-Needle Hair Transplant Patent] Top Thinning Hair Transplant | Micro-Needle Density Enhancement 1000 Grafts

[Damai Holds Micro-Needle Hair Transplant Patent] Top Thinning Hair Transplant | Micro-Needle Density Enhancement 1000 Grafts

$14,000.00

[Folded Book] Zhao Mengfu Running Script: Zhi Zhai Ji - Complete Original-Size Calligraphy Masterpiece in Accordion Binding

[Folded Book] Zhao Mengfu Running Script: Zhi Zhai Ji - Complete Original-Size Calligraphy Masterpiece in Accordion Binding

$15.10

Aizaofang Four-Connected Flower Elf Oval Flower DIY Handmade Soap Silicone Mold New Bar Soap Silicone Mold

Aizaofang Four-Connected Flower Elf Oval Flower DIY Handmade Soap Silicone Mold New Bar Soap Silicone Mold

$16.10