Shaft couplings×酒井製作所 - List of Manufacturers, Suppliers, Companies and Products

Sakai Precision Shaft Couplings General Catalog

Towards the future of "monozukuri" (manufacturing). Featuring precision correction shaft couplings "UA-C series" and more!

This catalog is a comprehensive catalog of Sakai Seisakusho Co., Ltd., which develops, manufactures, and sells belt-type continuously variable transmissions and precision shaft couplings. We offer a wide range of products, including the heavy-duty specification coupling "Precision Correction Shaft Coupling," which features a deflection structure with high rigidity yet minimal supporting reaction force, as well as the flexible high-precision coupling "Precision Spring Shaft Coupling," which combines a non-backlash deflection structure with a hub that pursues rotational balance and rigidity. [Contents] ■ List of models and selection guide ■ Seven features of Sakai Precision Shaft Couplings ■ Precision Correction Shaft Coupling ■ Precision Spring Shaft Coupling ■ Precision Fixed Shaft Coupling ■ Price list ■ Allowable torque list *For more details, please refer to the PDF materials or feel free to contact us.

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Precision Shaft Coupling - Leaf Spring Type (Compact Space-Saving) "TCS-B Series"

Achieving low inertia and high torque transmission in a compact, space-saving body.

The precision spring shaft coupling - leaf spring type (compact space-saving) "TCS-B series" achieves low inertia and high torque transmission in a compact space-saving body. It supports a maximum allowable torque of up to twice, with high rigidity and low inertia for high precision and high responsiveness in automatic control. The space-saving design for axial mounting ensures high reliability and easy shaft fastening with a two-bolt clamp connection. We offer a large bore hub specification that allows for combinations of significantly different shaft hole diameters. For more details, please download the catalog.

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Precision Shaft Coupling - Compensation Type (High Speed, High Response, High Torque) "UA-C Series"

The servo motor supports high speed, high response, and high torque.

The precision shaft coupling - compensation type (high speed, high response, high torque) "UA-C series" is compatible with servo motors for high speed, high response, and high torque. The shaft connection is secure and there is no shaft runout. The allowable eccentricity is 0.2mm, the allowable angular misalignment is 1°, and the maximum rotational speed is 6000r/min. It may also be possible to accommodate hole diameters other than the standard shaft hole diameter. For more details, please download the catalog.

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Precision Shaft Coupling - Leaf Spring Type (High Strength Aluminum) "LAD-C Series"

Lightweight, low inertia, made of high-strength aluminum. Adopts a 2-bolt system.

The precision shaft coupling - leaf spring type (high-strength aluminum) "LAD-C series" is made of lightweight, low-inertia high-strength aluminum. It adopts a 2-bolt system. It features a double leaf spring. The allowable eccentricity is 0.1mm (LAD-12C: 0.05mm), allowable angular misalignment is 0.5°, and allowable axial displacement is ±0.2mm (LAD-12C: ±0.1mm), with a maximum rotational speed of 8000r/min. For more details, please download the catalog.

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Precision Shaft Coupling - Supplementary Type (Easy Shaft Connection) "UCN-B Series"

The shaft fastening is simple, and keyway machining is also unnecessary.

The precision shaft coupling - standard type (easy shaft fastening) "UCN-B series" allows for easy shaft fastening without the need for keyway machining. It has a permissible eccentricity of 0.2mm, a permissible angular misalignment of 1°, and a maximum rotational speed of 6000r/min. While the usable angular misalignment is 1°, the structure can accommodate up to 3°. The fastening method can also be made taper clamp type on one side only. For more details, please download the catalog.

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Precision Shaft Coupling - Leaf Spring Type (Emphasis on Rigidity) "LCS-B Series"

A single type that emphasizes rigidity. Adopts a 2-bolt system.

The precision shaft coupling - leaf spring type (rigidity-focused) "LCS-B series" is a single type that emphasizes rigidity. It adopts a 2-bolt system. The allowable angular displacement is 0.5°, the allowable axial displacement is ±0.2mm, and the maximum rotational speed is 8000r/min. It may also accommodate hole diameters other than the standard shaft hole diameter. For more details, please download the catalog.

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Precision Shaft Coupling - Leaf Spring Type (for NC Woodworking Machines) "LCS-M Series"

Ideal for NC/MC machine tools and NC woodworking machines.

The "LCS-M Series" precision shaft coupling - leaf spring type (for NC woodworking machines) is designed for NC and MC machine tools as well as NC woodworking machines. It features a combination of 1/10 taper shaft fastening and bolt clamping. It has a single leaf spring, a permissible angular deviation of 0.5°, a permissible axial displacement of ±0.2mm, and a maximum rotational speed of 8000r/min. For more details, please download the catalog.

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Precision Shaft Coupling - Leaf Spring Type (Low Inertia, High Torque) "TCD-B Series"

Maximum allowable torque is doubled, supporting high precision and high responsiveness in automatic control with high rigidity and low inertia.

The "TCD-B Series" precision spring shaft coupling - leaf spring type (low inertia, high torque) achieves low inertia and high torque transmission in a compact, space-saving body. It supports a maximum allowable torque of up to twice the standard, with high rigidity and low inertia for high precision and high responsiveness in automatic control. The space-saving design for axial mounting ensures high reliability and easy shaft fastening with a two-bolt clamp connection. We offer a large hub specification that allows for combinations of significantly different shaft hole diameters. For more details, please download the catalog.

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Precision Shaft Coupling - Fixed Type (Exceptional Fastening Precision) "RA-C Series"

By adopting a unique structure that captures the axis and enables fastening, we achieve unparalleled fastening precision.

The "RA-C Series" precision shaft couplings - fixed type (exceptional fastening accuracy) adopt a unique structure that reliably captures the shaft axis for fastening, achieving outstanding fastening precision. It features a simple bolt clamp type, where the shaft is secured by tightening just four bolts. The high rigidity structure minimizes elastic deformation during shaft fastening. For more details, please download the catalog.

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Precision Shaft Coupling - Leaf Spring Type (2-Bolt System) "LAS-C Series"

Single type with a focus on rigidity. Adopts a 2-bolt system.

The precision shaft coupling - leaf spring type (2-bolt method) "LAS-C series" is a single type focused on rigidity. It adopts a 2-bolt method. The allowable angular misalignment is 0.5°, and the allowable axial displacement is ±0.1mm (LAS-12C: ±0.1mm), with a maximum rotational speed of 8000 r/min. It may also be able to accommodate hole diameters other than the standard shaft hole diameter. For more details, please download the catalog.

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Precision Shaft Coupling - Leaf Spring Type (No Keyway Machining Required) "LCD-B Series"

The shaft fastening is simple, and keyway machining is not required. A two-bolt system is adopted.

The precision shaft coupling - leaf spring type (no keyway processing required) "LCD-B series" allows for easy shaft fastening without the need for keyway processing. It adopts a 2-bolt system and features a double leaf spring. The permissible eccentricity is 0.1mm, permissible angular deviation is 0.5°, permissible axial displacement is ±0.4mm, and the maximum rotational speed is 6000r/min. It may also accommodate hole diameters other than the standard shaft hole diameter. For more details, please download the catalog.

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Precision Shaft Coupling - Leaf Spring Type (Strong Shaft Connection) "LCD-T7 Series"

Powerful axial fastening with wedge effect.

The precision shaft coupling - leaf spring type (powerful shaft fastening) "LCD-T7 series" enables strong shaft fastening through a wedging effect. It has a permissible eccentricity of 0.1mm, a permissible angular deviation of 0.5°, a permissible axial displacement of ±0.4mm, and a maximum rotational speed of 6000r/min. It may also accommodate hole diameters other than the standard shaft hole diameter. For more details, please download the catalog.

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Precision Shaft Coupling - Leaf Spring Type (Single) "LCS-T7 Series"

Precision spring shaft coupling that absorbs misalignment using laminated leaf springs.

The precision shaft coupling - leaf spring type (single) "LCS-T7 series" is a precision spring shaft coupling that absorbs misalignment using laminated leaf springs. It features a leaf spring single design, with a permissible angular misalignment of 0.5°, a permissible axial displacement of ±0.2mm, and a maximum rotational speed of 8000r/min. There are model numbers available that can be combined with hubs that have tapered shaft hole machining. For more details, please download the catalog.

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Precision Shaft Coupling - Standard Type (Unmachined Shaft Hole) "UCR Series"

Leave it to us for precision shaft couplings and supplementary forms!

The precision shaft coupling - standard type (unmachined shaft hole) "UCR series" is an unmachined product. It has a permissible eccentricity of 0.2mm, a permissible angular misalignment of 1°, and a maximum torque of 5 to 1280 N·m. While the allowable angular misalignment during use is 1°, it can structurally accommodate up to 3°. The maximum torque is the instantaneous torque that can be transmitted during startup and braking. For more details, please download the catalog.

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Shaft couplings×酒井製作所 - List of Manufacturers, Suppliers, Companies and Products

Shaft couplings Product List