Through Shaft Torque Limiters and Slip Clutches

Description

Through Shaft Torque Limiters and Slip Clutches are mechanical devices designed to protect machinery from damage due to torque overloads. They function by limiting the amount of torque that can be transmitted through a shaft, thereby preventing excessive force from being applied to the machinery components.

Working Principle

Through Shaft Torque Limiters and Slip Clutches operate by using friction or mechanical engagement to transmit torque under normal conditions. When the torque exceeds a predetermined threshold, these devices disengage or slip, preventing further torque transmission. This mechanism is crucial for protecting equipment from damage during mechanical jams or overloads. For instance, friction torque limiters use the friction between contact surfaces to transmit power, while slip clutches disengage the drive in case of overload, ensuring personnel safety and equipment protection .

Applications

These devices are commonly used in conveyor systems to ensure uninterrupted operations by preventing damage during mechanical jams . They are also employed in various machinery where torque overloads could lead to significant downtime or damage, such as in manufacturing equipment where precise torque control is critical.

Advantages over other Torque Limiters and Slip Clutches

Ball detent torque limiters offer significant advantages over shear pin technology, including reduced maintenance time and improved disengagement accuracy. They can disengage at +/-5% accuracy compared to +/-20% for shear pins, which is vital for protecting sensitive equipment. Additionally, they can automatically or manually re-engage, saving time and costs associated with replacing shear pins .

Limitations

One limitation of some torque limiters is that they may require manual re-engagement after an overload event, which can lead to increased downtime if not promptly addressed . Additionally, some designs may be considered an expensive luxury compared to electronic torque limiting methods, although they offer superior protection against damage .

Considerations

When selecting a torque limiter or slip clutch, considerations should include initial costs, operating expenses, durability, and accuracy. Mechanical torque limiters can be more costly upfront but may offer better long-term protection and reduced downtime. The accuracy of disengagement is crucial for applications involving sensitive equipment, and maintenance costs should be factored in, especially if manual re-engagement is required after an overload event .

26 Results
Overrunning Clutch
from Lowell Corporation

Lowell Corporation Overrunning Clutch for original equipment manufacturers and plant operation. One Way Roller Clutches, Overrunning Clutch. Featuring a simple construction, and built to offer an easy to produce one-way clutch device that saves users money. [See More]

  • Mounting: Through
  • Torque: 5.0 to 500.0
  • Device: Overrunning
  • Rotary Speed: 600 to 1800
Centrifugal Clutch for Racing -- Inferno Fire
from Hilliard Corporation (The)

The Inferno Fire racing clutch is the latest engineered product for the racing industry. The Fire clutch includes all of the design advantages of the Flame with several new features that make the Fire the best drum clutch available on the market. The Fire clutch has a bonded friction lining that... [See More]

  • Mounting: Through
  • Engagement: Friction
  • Device: Slip clutch / Disengagement Torque Limiter
  • Shaft: In-line
Centrifugal Clutch for Racing -- Inferno Flame
from Hilliard Corporation (The)

The Flame clutch includes all of the design advantages of the Fury but also includes several additional features. The clutch is fully tunable with optional weights. The optional weights allow the racer to make small adjustments to the engaging speed for optimal performance. The shoes have been... [See More]

  • Mounting: Through
  • Engagement: Friction
  • Device: Slip clutch / Disengagement Torque Limiter
  • Shaft: In-line
Centrifugal Clutch for Racing -- Inferno Fury
from Hilliard Corporation (The)

The Inferno Fury is an economical racing clutch designed for durability. The sprockets are heat treated steel and the hub is heat treated. The Fury is available with an oil impregnated bronze bushing, or a needle bearing. The Fury is a long lasting low maintenance design with some tunability. The... [See More]

  • Mounting: Through
  • Engagement: Friction
  • Device: Slip clutch / Disengagement Torque Limiter
  • Shaft: In-line
Hilliard Industrial Centrifugal Clutch
from Hilliard Corporation (The)

The Hilliard centrifugal clutch provides automatic, gradual, cushioned engagement over a speed range on high-inertia loads. It smooths out and reduces starting current surge. Centrifugal clutches are slip-free at rated load and speed. They protect against overload by limiting torque, absorbing shock... [See More]

  • Mounting: Through
  • Engagement: Friction
  • Device: Slip clutch / Disengagement Torque Limiter
  • Shaft: In-line
Backlash-free Overload System Torque Limiter -- KTR-SI Compact
from KTR Corporation

The solid safety system KTR-SI is available in different types (standard and compact) and operating principles (ratchet, synchronous, fail-safe, disengaging), providing for overload protection up to 3,100 Nm. Product features. Backlash-free overload systems with declining spring characteristic. [See More]

  • Mounting: Through
  • Torque: 2.2 to 2286.1
  • Device: Slip clutch / Disengagement Torque Limiter
  • Rotary Speed: 4000
Torque Limiter Coupling -- TL2 Series
from WITTENSTEIN, Inc. (formerly alpha gear drives)

Compact and maintenance-free couplings from Wittenstein offer you long lifespan in your application, whether used for drive applications or for mounting on our servo gearheads. With multiple mounting possibilities, easy installation and low-backlash, our selection provides a perfect fit for whatever... [See More]

  • Mounting: Through; Shaft - VPulley (optional feature); Flange
  • Engagement: Ball Detent
  • Device: Slip clutch / Disengagement Torque Limiter; Freewheeling (optional feature)
  • Shaft: In-line
H-TLC Torque Limiter -- H-TLC 1000 Blue
from Zero-Max

H-TLC operates on the same basic principle as Torq-Tender, except the torque setting Is adjustable and it uses polymer materials in its major components to resist corrosion. If operating conditions require periodic changes in torque settings, the H-TLC gives you that ability. Simply adjust the... [See More]

  • Mounting: Shaft; Through; Shaft - VPulley
  • Torque: 40.0 to 150.0
  • Device: Slip clutch / Disengagement Torque Limiter
  • Engagement: Pawl Detent
Roller Ramp Clutch -- VEK 10
from GMN Bearing, USA Ltd.

Free-wheel clutch, roller ramp technology [See More]

  • Mounting: Through; Flange
  • Torque: 11.0
  • Device: Freewheeling
  • Engagement: Roller Ramp
Torque Limiter Mechanism with Couplings -- V3G2H-STL
from Mach III Clutch, Inc.

Operation. Mechanically adjustable, continuously engaged friction torque limiter slips in the event of an overload. Torque at which limiter will slip is field adjustable through the tightening or loosening of a nut. Adjustment nut is locked in place by set screws when desired torque setting is... [See More]

  • Mounting: Through; Flange
  • Torque: 4.8 to 8.0
  • Device: Slip clutch / Disengagement Torque Limiter
  • Engagement: Friction; Plate / Disc
Heavy Duty Slip Hub -- 04 05 006
from ATLANTA Drive Systems, Inc.

Slip hubs serve as overload protection and as safety devices of machinery driven by sprocket wheels, gears or pulleys. In the case of overloading, the driving element in the hub will slip thus limiting the torque. Atlanta off-the shelf standard drive elements can be used for this purpose without... [See More]

  • Mounting: Through
  • Torque: 885.0 to 1769.9
  • Device: Slip clutch / Disengagement Torque Limiter
  • Rotary Speed: 1900
Backlash-free Overload System Torque Limiter -- SYNTEX® Standard
from KTR Corporation

SYNTEX ® is a safety system operating with positive locking suitable for torques up to 525 Nm. The component transmitting the torque is a punched disk spring (protected by patent). The design of the coupling ensures short reaction times with high repeating accuracy. Due to the special design it... [See More]

  • Mounting: Through
  • Torque: 4.4 to 295.0
  • Device: Slip clutch / Disengagement Torque Limiter
  • Rotary Speed: 1500
Torq-Tender® Torque Limiters -- Tandem
from Zero-Max

Torq-Tenders are positive drive couplings which provide accurate overload protection in many mechanical power transmission systems. When a jam-up or excess overload occurs, Torq-Tenders disengage motor drives. Their effective, versatile design, proven through 25 years of use, protect your drive... [See More]

  • Mounting: Shaft; Through; Shaft - VPulley
  • Torque: 20.0 to 83.3
  • Device: Slip clutch / Disengagement Torque Limiter
  • Rotary Speed: 1800
Torque Limiter, Pilot Mount -- T3A2H-STL
from Mach III Clutch, Inc.

Operation. Mechanically adjustable, continuously engaged friction torque limiter slips in the event of an overload. Torque at which limiter will slip is field adjustable through the tightening or loosening of a nut. Adjustment nut is locked in place by set screws when desired torque setting is... [See More]

  • Mounting: Through; Shaft - VPulley
  • Torque: 4.8 to 96.6
  • Device: Slip clutch / Disengagement Torque Limiter
  • Engagement: Friction; Plate / Disc
Backlash-free Overload System Torque Limiter -- SYNTEX® with Integrated Sprocket
from KTR Corporation

SYNTEX ® is a safety system operating with positive locking suitable for torques up to 525 Nm. The component transmitting the torque is a punched disk spring (protected by patent). The design of the coupling ensures short reaction times with high repeating accuracy. Due to the special design it... [See More]

  • Mounting: Through
  • Torque: 4.4 to 295.0
  • Device: Slip clutch / Disengagement Torque Limiter
  • Rotary Speed: 1500
Backlash-free Overload System Torque Limiter -- SYNTEX® with Pulley
from KTR Corporation

SYNTEX ® is a safety system operating with positive locking suitable for torques up to 525 Nm. The component transmitting the torque is a punched disk spring (protected by patent). The design of the coupling ensures short reaction times with high repeating accuracy. Due to the special design it... [See More]

  • Mounting: Through
  • Torque: 4.4 to 295.0
  • Device: Slip clutch / Disengagement Torque Limiter
  • Rotary Speed: 1500
Backlash-free Overload System Torque Limiter -- SYNTEX® with Shaft Coupling ROTEX® GS
from KTR Corporation

SYNTEX ® is a safety system operating with positive locking suitable for torques up to 525 Nm. The component transmitting the torque is a punched disk spring (protected by patent). The design of the coupling ensures short reaction times with high repeating accuracy. Due to the special design it... [See More]

  • Mounting: Through
  • Torque: 4.4 to 295.0
  • Device: Slip clutch / Disengagement Torque Limiter
  • Rotary Speed: 1500
Torque Limiter -- KTR-SI FRE Flange Type
from KTR Corporation

The core of the overload system is formed by the idle rotation elements. In case of overload they uncouple the driving and driven side while protecting the drive train from damages. After eliminating the overload, the rotation segments are manually re-engaged so that the drive is released again. [See More]

  • Mounting: Through
  • Torque: 3.7 to 6047.2
  • Device: Slip clutch / Disengagement Torque Limiter
  • Engagement: Plate / Disc
Torque Limiter -- KTR-SI FRE with ROTEX®
from KTR Corporation

The core of the overload system is formed by the idle rotation elements. In case of overload they uncouple the driving and driven side while protecting the drive train from damages. After eliminating the overload, the rotation segments are manually re-engaged so that the drive is released again. [See More]

  • Mounting: Through
  • Torque: 3.7 to 6047.2
  • Device: Slip clutch / Disengagement Torque Limiter
  • Engagement: Plate / Disc
Torque Limiter -- KTR-SI Type FT
from KTR Corporation

For exact dimensioning torque limiters latest simulation and calculation programmes are available. Therefore let us know many data of your drive. The more precise these data are, the more precise are the results of calculation. Make use of this possibility and discuss with us the application in... [See More]

  • Mounting: Through
  • Torque: 1.5 to 6047.2
  • Device: Slip clutch / Disengagement Torque Limiter
  • Engagement: Plate / Disc
Torque Limiter -- KTR-SI with ROTEX ®
from KTR Corporation

For exact dimensioning torque limiters latest simulation and calculation programmes are available. Therefore let us know many data of your drive. The more precise these data are, the more precise are the results of calculation. Make use of this possibility and discuss with us the application in... [See More]

  • Mounting: Through
  • Torque: 1.5 to 6047.2
  • Device: Slip clutch / Disengagement Torque Limiter
  • Engagement: Plate / Disc
Torque Limiter -- RUFLEX® Max.
from KTR Corporation

The RUFLEX ® modular system is able to provide a solution for every drive. The combination with the well-approved KTR couplings and the integration of customer-specific drive components (e. g. sprockets) provides for an overload protection up to 6,800 Nm adapted to every application in an... [See More]

  • Mounting: Through
  • Torque: 3.7 to 1179.9
  • Device: Slip clutch / Disengagement Torque Limiter
  • Rotary Speed: 6600
Torque Limiter -- RUFLEX® Standard
from KTR Corporation

The RUFLEX ® modular system is able to provide a solution for every drive. The combination with the well-approved KTR couplings and the integration of customer-specific drive components (e. g. sprockets) provides for an overload protection up to 6,800 Nm adapted to every application in an... [See More]

  • Mounting: Through
  • Torque: 0.0 to 5014.7
  • Device: Slip clutch / Disengagement Torque Limiter
  • Rotary Speed: 10000
Torque Limiter -- RUFLEX® with BoWex
from KTR Corporation

The RUFLEX ® modular system is able to provide a solution for every drive. The combination with the well-approved KTR couplings and the integration of customer-specific drive components (e. g. sprockets) provides for an overload protection up to 6,800 Nm adapted to every application in an... [See More]

  • Mounting: Through
  • Torque: 0.0 to 295.0
  • Device: Slip clutch / Disengagement Torque Limiter
  • Engagement: Plate / Disc
Torque Limiter -- RUFLEX® with ROTEX
from KTR Corporation

The RUFLEX ® modular system is able to provide a solution for every drive. The combination with the well-approved KTR couplings and the integration of customer-specific drive components (e. g. sprockets) provides for an overload protection up to 6,800 Nm adapted to every application in an... [See More]

  • Mounting: Through
  • Torque: 0.0 to 5014.7
  • Device: Slip clutch / Disengagement Torque Limiter
  • Engagement: Plate / Disc
Torque Limiter -- RUFLEX® with Sprocket
from KTR Corporation

The RUFLEX ® modular system is able to provide a solution for every drive. The combination with the well-approved KTR couplings and the integration of customer-specific drive components (e. g. sprockets) provides for an overload protection up to 6,800 Nm adapted to every application in an... [See More]

  • Mounting: Through
  • Torque: 3.7 to 590.0
  • Device: Slip clutch / Disengagement Torque Limiter
  • Rotary Speed: 6600