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The "MZ/MZD/MZT type" is a metal universal joint. It features a structure that eliminates backlash by fitting multiple balls into hubs on both sides. We recommend using a key or set screw for shaft fastening. Utilizing a cross-shaped intermediate body, it is a flexible shaft coupling that can transmit power even when the angular misalignment between the two shafts is particularly large. 【Features】 ■ Misalignment - Single: Allows angular misalignment - Double: Allows angular misalignment and eccentricity - Telescopic: Allows angular misalignment, eccentricity, and end play ■ Backlash: None ■ May have magnetic properties *For more details, please refer to the PDF document or feel free to contact us.

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The "MX Series" is a leaf spring type coupling that can be used in a temperature range of -40 to 120°C. It is relatively short in overall length and utilizes the elastic deformation of one or more leaf springs (discs) to allow for misalignment, functioning as a flexible shaft coupling. We offer the "MX/MXC type" with rivet assembly and the "MXB/MXBC type" with bolt assembly. 【Features】 ■ Temperature range: -40 to 120°C ■ Misalignment - S (Single): Allows for angular misalignment and end play - D (Double)/L (Long): Allows for eccentricity, angular misalignment, and end play in a balanced manner ■ Size and dimensions: Relatively short in overall length ■ Backlash: None *For more details, please refer to the PDF document or feel free to contact us.

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The "MTLA Series" is a friction clutch that allows for maintenance. It accommodates shaft hole diameters ranging from 6 to 30 mm, and the slip torque can be set arbitrarily. It utilizes friction to control power between the driving and driven shafts, either in a single shaft or between two shafts. Additionally, a one-way type "MTLA-57SR/115SR/230SR" is also available. 【Features】 ■ Controls power between the driving and driven shafts using friction ■ Capable of controlling torque between the driving and driven shafts ■ Backlash: approximately 2° ■ Electrical insulation - Type A, B: None - Type C, D: Yes *For more details, please refer to the PDF document or feel free to contact us.

• Parts and Materials

The "MSC Series" is a clutch that utilizes frictional force to control power transmission between the driving and driven components in either a single-axis or dual-axis configuration. Starting with the "MSC-2/6," which accommodates shaft hole diameters of 6 to 12 mm, the lineup also includes the "MSC-48" and "MSC-SP-1." If you require a shaft hole diameter smaller than what the MSC series supports, it can be accommodated by using a bore adapter. 【Features】 ■ Controls power transmission between the driving and driven components using frictional force in a single-axis or dual-axis configuration ■ Adjustable slip torque: can be set as desired ■ Backlash: approximately 2° ■ Electrical insulation - Type A, B: none - Type C, D: present *For more details, please refer to the PDF document or feel free to contact us.

• Parts and Materials

The "ML Series" is a cross-shaped coupling that interrupts torque between the driving and driven components by breaking under excessive torque. It features a torque ring with four pivot pins connected in a cross shape, with both hubs linked through the pins. This is a correction shaft coupling that allows for misalignment by utilizing the sliding and pivoting of the pins. 【Features】 ■ Structure where both hubs are connected via pins ■ High tolerance for angular misalignment ■ Interrupts torque between the driving and driven components by breaking under excessive torque ■ Backlash: None ■ Electrical insulation: Yes ■ Magnetism: None (excluding screws) *For more details, please refer to the PDF document or feel free to contact us.

• Fittings
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The "MJ Series" is an Oldham-type coupling with a large tolerance for eccentricity. It consists of two hubs and one torque disk (intermediate), utilizing the sliding of the convex and concave parts between the hub and the torque disk to allow for misalignment compensation. By changing the torque disk, the torque transmission characteristics can be modified. 【Features】 ■ Large tolerance for eccentricity ■ Easily separable for easy installation and removal ■ Torque transmission characteristics can be changed by altering the torque disk ■ Backlash: None (present if the torque disk is SA, A, or AJ) ■ Electrical insulation: Yes ■ Magnetism: None (except for screws) *For more details, please refer to the PDF document or feel free to contact us.

• Fittings
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We would like to introduce the universal joint 'MD type' that we handle. This flexible shaft coupling utilizes a cross-shaped intermediate body, allowing it to transmit power even when the angle between the two axes is particularly large. For shaft fastening, we recommend using a spring pin (not included) or a set screw, depending on the application. 【Features】 ■ Allows for angular misalignment ■ Breaks under excessive torque, cutting off torque between the driving and driven sides ■ Backlash: None ■ Electrical insulation: Yes ■ Magnetism: None (excluding screws) *For more details, please refer to the PDF document or feel free to contact us.

• Fittings
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We would like to introduce the telescopic "MCT-V type" that we handle. It allows for angular misalignment, eccentricity, and end play. In the event of excessive torque, it breaks to interrupt the torque between the driving and driven components. The compatible shaft hole diameter ranges from 2.5 to 14 mm, and the allowable torque is from 0.11 to 8.50 N·m, with approximately 2° of backlash in the telescopic section. 【Features】 ■ Compatible shaft hole diameter: 2.5 to 14 mm ■ Interrupts torque between driving and driven components by breaking under excessive torque ■ Backlash: approximately 2° in the telescopic section ■ Electrical insulation: present *For more details, please refer to the PDF document or feel free to contact us.

• Fittings
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We would like to introduce the universal joint 'MC/MC-D type' that we handle. This flexible shaft coupling utilizes a cross-shaped intermediate body, allowing power transmission even when the angular misalignment between the two axes is particularly large. The "MC type" is single, while the "MC-D type" is double. When using a spring pin, a hole slightly smaller than the outer diameter of the pin should be drilled, and the pin is press-fitted into that hole for fastening. 【Features】 ■ Single: Allows angular misalignment ■ Double: Allows angular misalignment and eccentricity ■ Made of resin: Breaks under excessive torque to interrupt torque transmission between the driving and driven sides ■ Backlash: None ■ Electrical insulation: Yes *For more details, please refer to the PDF document or feel free to contact us.

• Parts and Materials
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We would like to introduce our bellows-type coupling, the "MB Series." This flexible shaft coupling utilizes the elastic deformation of the bellows to accommodate misalignment. It can be used in a temperature range of -40 to 120°C and allows for a balanced tolerance of eccentricity, angular misalignment, and end play. The nominal outer diameter ranges from 19 to 41 mm, and it accommodates shaft hole diameters from 3 to 20 mm. 【Features】 ■ Nominal outer diameter: 19 to 41 mm ■ Allowable torque: 1.0 to 12.5 N·m ■ Backlash: None ■ Electrical insulation: None ■ Magnetism: Present ■ Dustproof: Present *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce the Ordam-type torque disks for the MJ series that we handle. Our lineup includes standard stop hole "T," easily detachable through hole "TB," and vibration-damping "SA." We offer various torque disks to suit your desired applications and usage environments. Please feel free to consult us when you need assistance. 【Features】 ■ T (Stop Hole) - Standard type - Nominal outer diameter: 6 to 118 ■ TB (Through Hole) - Easy to detach - Nominal outer diameter: 19 to 118 *For more details, please refer to the PDF materials or feel free to contact us.

• Parts and Materials

This document introduces the precautions for products such as couplings, joints, and clutches that we handle. It includes handling precautions for each series, notes on the specification tables, and information on installation and maintenance methods. For more details, please refer to the related links. 【Contents (partial)】 ■ Handling precautions ■ Notes on specification tables ■ Installation and maintenance methods ■ Selection methods ■ Service factor *For more information, please refer to the PDF document or feel free to contact us.

• Expansion joint hardware
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We are pleased to announce that we have started handling the small models of the R+W manufactured disk pack coupling "MLP Series," specifically the 'MLPC Type' and 'MLP3 Type.' These models have very high torsional rigidity and are economical with zero backlash. They comply with the RoHS directive and are suitable for a wide range of applications. 【Features】 <MLPC Type> 　■Clamp fastening 　■Easy to install/remove 　■Single type that absorbs angular and axial movement, 　　and a double type that also absorbs eccentricity 　■Installation in a compact space is also possible <MLP3 Type> 　■Taper lock fastening 　■High shaft fastening strength and concentricity 　■Single type that absorbs angular and axial movement, 　　and a double type that also absorbs eccentricity *For more details, please refer to the documentation. Feel free to contact us with any inquiries.

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Material: Leaf spring: SUS301 Hub and spacer: Aluminum alloy Specifications: Hub: Taper lock fastening Leaf spring: Bundled in multiple directions with bushings and assembled to the hub and spacer with reinforced screws Torque transmission to the entire disc pack solely through friction Ambient temperature: -30 to +130℃

• Analysis and prediction system

- Zero backlash - Inner diameter φ15 to 40 - Torque 25 to 100 Nm - High torsional rigidity - Economy - Easy to install/remove - Can be installed in narrow spaces

• Analysis and prediction system

The limiter function operates only in one direction (forward rotation) and does not function in reverse. Like the MTLA series, it is a mechanical dry multi-plate friction clutch that allows the user to set the slip torque as desired. By replacing the internal wear parts, it can be used for a long time.

• Measurement and analysis equipment leasing and rental
• Structural Survey
• Other analytical equipment

The "MBX6 type" is a bellows coupling with high shaft fastening strength. It can absorb large misalignments. 【Features】 ■ Compact and simple design ■ Absorbs large misalignments ■ Built-in support system (rated torque of 25 or more) ■ Zero backlash ■ High shaft fastening strength ■ Absorbs up to 3.5mm of maximum eccentricity *For more details, please feel free to contact us.

• Prime movers, torque converters, hydraulic equipment, generators

The "MBX4 type" is a bellows coupling that can absorb large misalignments. It features a small backlash key fastening. 【Features】 ■ Compact and simple design ■ Absorbs large misalignments ■ Built-in support system (rated torque of 25 or more) ■ Small backlash key fastening ■ Absorbs up to 3.5mm of maximum eccentricity *For more details, please feel free to contact us.

• Prime movers, torque converters, hydraulic equipment, generators

The "MBX1 type" is a compact and simple design bellows coupling. This product can absorb large misalignments and is suitable for special design specifications. 【Features】 ■ Compact and simple design ■ Absorbs large misalignments ■ Built-in support system (rated torque of 25 or more) ■ Suitable for special design specifications ■ Absorbs up to 3.5mm of maximum eccentricity *For more details, please feel free to contact us.

• Rock drills, demolition machines, and excavators

The "MELZ2 type" is an insulating line shaft (elastomer) coupling. It can be mounted from a horizontal direction and is easy to install and remove. Additionally, due to its half-split structure, it can also be mounted in the axial direction. 【Features】 ■ Zero backlash ■ Standard specification up to 4 meters ■ Mountable from a horizontal direction ■ Easy to install and remove ■ No need for intermediate shaft support bearings ■ Can be mounted in the axial direction due to the half-split structure ■ Insulating properties *For more details, please feel free to contact us.

• Rock drills, demolition machines, and excavators

The "MEL6 type" is an elastomer coupling characterized by high shaft fastening strength. This product ensures hub concentricity and has very high concentricity. 【Features】 ■ Zero backlash ■ High shaft fastening strength ■ Hub mounting in the axial direction ■ Strong taper lock ■ Hub ensures concentricity ■ Very high concentricity ■ Standard products are insulated *For more details, please feel free to contact us.

• Rock drills, demolition machines, and excavators

The "MELH type" is an elastomer coupling that is easy to install and remove. It can be mounted from the side or horizontally. Additionally, it is easy to install and remove. The standard product is insulated. 【Features】 ■ Zero backlash ■ Can be mounted from the side or horizontally ■ Easy to install and remove ■ Shaft pre-alignment is possible ■ Standard product is insulated *For more details, please feel free to contact us.

• Drilling Machine

The "MEL1 type" is an economical elastomer coupling. The backlash of this product is small. Additionally, it can be easily modified to your desired dimensions. It is suitable for special designs. 【Features】 ■ Press-fit assembly ■ Easily adjustable to desired dimensions ■ Small backlash (due to fitting accuracy in the key width direction) ■ Standard products are insulated ■ Economical ■ Suitable for special designs *For more details, please feel free to contact us.

• Drilling Machine

The "MLPZ type" is a disc pack coupling that can accommodate various hubs. It can transmit torque to the entire disc pack using only friction. 【Features】 ■ Ultra-high torsional rigidity ■ Maximum eccentricity absorption of 0.7mm ■ Double type ■ Compatible with various hubs *For more details, please feel free to contact us.

• Drilling Machine

The "MLP4 type" is a compact disc pack coupling. It features zero backlash even during reverse rotation. Additionally, torque can be transmitted to the entire disc pack solely through friction. 【Features】 ■ Ultra-high torsional rigidity ■ Compact ■ Absorbs angular and axial movement ■ Single type ■ Zero backlash even during reverse rotation *For more details, please feel free to contact us.

• Drilling Machine

The "MLP3 type" is a disk pack coupling effective for high speed, reverse rotation, and intermittent loads. It features high torsional rigidity and strong shaft fastening power. 【Features】 ■ High torsional rigidity ■ Strong shaft fastening power ■ Zero backlash ■ Effective for high speed, reverse rotation, and intermittent loads ■ Absorbs maximum eccentricity of 2.5mm ■ Robust taper lock *For more details, please feel free to contact us.

• Tunnel Materials
• Drilling Machine
• Rock drills, demolition machines, and excavators

The "MLPA type" is a disk pack coupling that can be installed from the side without moving the hub. This product features a debris containment function that retains fragments in the event of disk failure. 【Features】 ■ Compliant with API610/671 ■ Can be installed from the horizontal direction ■ Retains fragments during disk failure ■ Dimensions available in metric/inch ■ Absorbs maximum eccentricity of 2.0mm ■ Can be installed from the side without moving the hub ■ Includes debris containment function during disk failure ■ Balancing in accordance with ANSI / AGMA9000 Class 9 *For more details, please feel free to contact us.

• Non-destructive testing
• Drilling Machine
• Rock drills, demolition machines, and excavators

The "MLP2 type" is a disk pack coupling that can accommodate the desired overall length. This product has high torsional rigidity. 【Features】 ■ High torsional rigidity ■ Length can be specified ■ Absorbs angular, eccentric, and axial movement ■ Maximum eccentricity absorption of 2.2mm ■ Double type ■ Accommodates desired overall length *For more details, please feel free to contact us.

• others
• Other analytical equipment
• Non-destructive testing

The "MLP1 type" is a disc pack coupling with ultra-high torsional rigidity. It is fatigue-resistant and maintenance-free. Torque can be transmitted to the entire disc pack solely through friction. 【Features】 ■ Ultra-high torsional rigidity ■ Compact ■ Absorbs angular and axial movement ■ Single type ■ Fatigue-resistant and maintenance-free *For more details, please feel free to contact us.

• Piping and electrical wiring materials
• Analysis and prediction system
• others

The "MST4 type" is a high power density safety clutch. This product can correct misalignment through a gear coupling made of high-strength synthetic steel with fatigue resistance. 【Features】 ■ High power density ■ Misalignment absorption ■ Accurate overload protection ■ Super fatigue resistance *For more details, please feel free to contact us.

• Drilling Machine

The "MST2 type" is a safety clutch that can correct misalignment and absorb vibrations using elastomer. This product can accurately protect against overload. Additionally, the elastomer part is resistant to oil and mud. 【Features】 ■ Ultra-high vibration damping ■ Misalignment absorption ■ Accurate overload protection ■ Elastomer part is oil and mud resistant ■ Press-fit specification *For more details, please feel free to contact us.

• Drilling Machine

The "MSTE type" is a safety clutch with a press-fit specification. This product features high vibration damping and also has fatigue resistance characteristics. 【Features】 ■ Key fastening + elastomer ■ High vibration damping ■ Accurately protects against overload ■ Fatigue resistance ■ Press-fit specification *For more details, please feel free to contact us.

• Drilling Machine

The "MSTF type" is a safety clutch suitable for large products with special design specifications. This product can accurately protect against overload. It can be used for special bearings for high-speed rotation. 【Features】 ■ Suitable for special design specifications ■ Compact and simple design ■ Accurately protects against overload ■ High torsional rigidity ■ Special bearings for high-speed rotation *For more details, please feel free to contact us.

• Drilling Machine

The "MSTN type" is a safety clutch designed for large products with high shaft fastening strength. It can be used for special bearings for high-speed rotation. 【Features】 ■ High shaft fastening strength ■ Compact and simple design ■ Accurately protects against overload ■ High torsional rigidity ■ Special bearings for high-speed rotation *For more details, please feel free to contact us.

• Drilling Machine

The "MSTR type" is a safety clutch that can be used with reinforced bearings to support overhang loads. This product features a compact and simple design. Additionally, it can accurately protect against overload. 【Features】 ■ Compact and simple design ■ Accurate overload protection ■ High torsional rigidity ■ Reinforced bearings to support overhang loads *For more details, please feel free to contact us.

• Drilling Machine

The "MST1 type" is a safety clutch compatible with large products that can be used for special bearings for high-speed rotation. This product can accurately protect against overload. The specifications are compact and simple. 【Features】 - Compact and simple design - Accurate overload protection - High torsional rigidity - Special bearings for high-speed rotation *For more details, please feel free to contact us.

• Drilling Machine

It can be used in a temperature range with a risk of explosion from -30 to +80 degrees Celsius. Additionally, the MLP1, MLP2, and MLP3 series comply with the ATEX explosion protection directive, allowing for use in explosive atmospheres. - Torque range: 350 to 24,000 Nm - ATEX compliant product (optional) - Semi-permanent lifespan - Outer diameter: φ99 to φ324 - Inner diameter: φ18 to φ170

• Drilling Machine