Material Selection

During the selection we emphasise on corrosion resistant stainless steel and understand its machining properties.
During the selection of lubricants and sealings we can rely on food-graded products.

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Non-contact SIKUMAT Proximity Switch

It is possible with SIKUMAT Torque Limiters to utilise the axial movement during an overload occurrence to actuate a proximity switch so that when the preset limit torque is exceeded, the drive can be switched off electrically andor a signal can be triggered.

Switching off the drive in case of overload is essential for all ratcheting type SIKUMAT Torque Limiters in order to prevent ratcheting over prolonged periods and possible wear.

The engagement travel of the SIKUMAT Torque Limiters can be found in the respective tables.

Non-contact proximity switches operate free from wear and guarantee faster response times than mechanical limit sensors.

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Hydraulic Power Unit

Compact design because of the cylindrical dimensions of the tank
Optimized oil-connection of pressure side provided by two connection arranged at 90
Easy mounting because of two mounting possibilities; therefore, no complex mounting frames are required
Inside and outside of the tank is oil-resistent powder-coated

Hydraulic Power Units can be made according to customers demand.

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Pneumatic Cabinet

Suitable for brakes up to size 035, configuration according to customers demand.

Pneumatic components include:

Compressor with 5 liter pressure storage for an output range of 0, 5 to 6, 0 bar
Filter regulator unit, including condensate separator
Valve
Electric power unit 230 V AC

Cabinet size W x H x D - 400 x 500 x 210 mm

Pneumatic Cabinets can be made according to customers demand.

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Friction Block Wear Control

All brakes can be supplied on request with an electrical wear indicator which signals the limit of the friction block wear. The control lamp in the wear monitor indicates when the friction blocks need to be replaced. In addition, the output relay can trigger a signal in the central control station.

Friction Blocks with Signal Cable

Friction blocks with signal cable are used to monitor wear. Cable length 25 cm with plug connection.

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Universal Transformer

The Universal Transformer is used to operate a DH 012 FEM or DV 020 FEM Brake Caliper.

Output: 0, 25 kVA

Primary voltages:

200 V, 220 V, 240 V, 260 V, 280 V, 300 V, 310 V,
330 V, 350 V, 360 V, 380 V, 400 V, 420 V, 440 V,
480 V, 500 V, 530 V and 550 V

Secondary voltages:

115 V or 230 V

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Complete Freewheels FRXF

Application as Backstop

Complete Freewheels FRXF are freewheels with sprag lift-off X, labyrinth seals, and sealed grease lubricated ball bearings. All units are supplied complete with torque arms. FRXF backstops are maintenance free and lubricated for life prior to shipping.
Maximum torques up to 29 000 lb-ft.
Bores up to 4.5 inch. Standard bores are available from stock.

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Complete Freewheels BA X

Application as Backstop

Complete Freewheels BA X with lever arm are sealed freewheels with ball bearings.
The freewheels BA X have an end cover and are fitted to shaft ends. The oil filling is carried out after the freewheel has been fitted to the end of the shaft.
Besides the standard type, the type with sprag lift-off X is available for wearfree freewheeling operation at high speed rotating inner ring.
Nominal torques up to 42 500 Nm.
Bores up to 150 mm. A multitude of standardized bore diameters are available with short delivery times.

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Complete Freewheels BC X

Application Backstop

Complete Freewheels BC X with lever arm are sealed freewheels with ball bearings.
Freewheels BC X are supplied oil-filled and ready for installation. They are arranged on through shafts or shaft ends.
Besides the standard type, the type with sprag lift-off X is available for wearfree freewheeling operation at high speed rotating inner ring.
Nominal torques up to 42 500 Nm.
Bores up to 150 mm. A multitude of standardized bore diameters are available with short delivery times.

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Complete Freewheels FA

Application as Backstop, Indexing Freewheel.

Complete Freewheels FA with lever arm are sprag freewheels with sleeve bearings. They are grease-lubricated and therefore maintenance-free.
Besides the standard type, the type with RIDUVIT is available for extended service life.
Nominal torques up to 2 500 Nm.
Bores up to 85 mm. A multitude of standardized bore diameters are available with short delivery times.

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Complete Freewheels FAV

Application Backstop, Indexing Freewheel

For application as backstop in installations with low speeds in freewheeling operation.
For application as indexing freewheel in installations with low to medium total number of actuations.

Features
Complete Freewheels FAV with lever arm are roller freewheels with sleeve bearings. They are grease-lubricated and therefore maintenance-free.
Nominal torques up to 2 500 Nm.
Bores up to 80 mm.

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Complete Freewheels RFB

Application Backstop

Complete Freewheels RFB are sprag freewheels with sealed grease lubricated ball bearings that require no maintenance. They are supplied with a clamping collar or a flange for direct mounting to standard bushings.
Maximum torques up to 900 lb-ft.
Bores up to 6 inch with clamping collar.

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Complete Freewheels FBE

Application Overrunning Clutch

Complete Freewheels FBE with flexible shaft coupling are sealed sprag freewheels with ball bearings for coupling two aligned shafts. They are supplied oil-filled and ready for installation.
In addition to the standard type, two other types are available for extended service life.
Nominal torques up to 160 000 Nm.
Bores up to 300 mm. Many standard bores are available.
The material of the flexible coupling element is oil-resistant. We can provide you with performance data for the flexible shaft coupling upon request.

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Complete Freewheels FR CA

Application Overrunning Clutch

Complete Freewheel FR CA incorporate a freewheel FR and a gear coupling. Freewheels are supplied oil or grease lubricated.
Maximum torques up to 55 000 lb-ft.
Bores up to 7 inch.
Complete Freewheels FR CA allow for removal of the assembly without moving the connected equipment. The clutch should always be mounted on the low temperature shaft of the application.

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Complete Freewheel FRHM

Application Backstop and for installations with low speeds. The freewheels are designed for the use in inclined conveyor-belts, elevators or pumps. Taconite seals protect the freewheels from contamination with dust or dirt.

Complete Freewheels FRHM with torque arm are sealed sprag freewheels with ball bearings. They are designed for interchanging the Morse CB units, supplied oil-filled and ready for installation.

The freewheels FRHM are arranged on through shafts or shaft ends.
Maximum torques up to 56 000 lb-ft.
Bores up to 7 inch.

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Complete Freewheels FRHD

Application Backstop, for installations with low speeds. The freewheels are designed for the use in inclined conveyor-belts, elevators or pumps. Taconite seals protect the freewheels from contamination with dust or dirt Etc.

Complete Freewheels FRHD with lever arm are sealed sprag freewheels with ball bearings. They are supplied oil-filled and ready for installation. The freewheels are arranged on through shafts or shaft ends.
Nominal torques up to 900 000 lb-ft.
Bores up to 21 inch.

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Housing Freewheel FCBM

Application Backstop

The Housing Freewheel FCBM is used to control reverse rotation of the kiln when a rotary kiln drive is shut down. It is equipped with a Cage Freewheel on the main shaft and a multi-disc brake as well as a centrifugal brake on the worm shaft.
When the rotary kiln drive is shut down, the Cage Freewheel automatically engages the main shaft and the worm shaft. The closed multi-disc brake prevents reverse rotation of the rotary kiln. Through electromagnetic or manual releasing of the multi-disc brake, the controlled reverse rotation of the rotary kiln is then initiated. During reverse rotation, the centrifugal brake is used to ensure a controlled low speed of the rotary kiln until it has come to a stand still.
The Housing Freewheels FCBM is a completely enclosed freewheel for stationary arrangement with input and output shaft. It was developed to protect people and machines from injury and damage.

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Basic Freewheels FBO

Application Backstop , Overrunning Clutch , Indexing Freewheel Etc.

Basic Freewheels FBO are sprag freewheels with ball bearings to be assembled with customer connecting parts. The freewheels are particularly suitable for installation in housings with oil lubrication and seals.
In addition to the standard type, three other types are available for extended service life.
Nominal torques up to 160 000 Nm.
Bores up to 300 mm. A multitude of standardized bore diameters are available with short delivery times.

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Integrated Freewheels FXM

Applications Backstop , Overrunning Clutch , For application as backstop in installations with high speeds in freewheeling operation. For application as overrunning clutch in installations with low speeds in driving operation.

Integrated Freewheels FXM are sprag freewheels without bearing support and with sprag lift-off X.
The sprag lift-off X ensures a wear-free freewheeling operation when the inner ring rotates at high speed.
Nominal torques up to 1 230 000 Nm.
Bores up to 560 mm. A multitude of standardized bore diameters are available with short delivery times.

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Cage Freewheels BWX

Applications Backstop , Overrunning Clutch , Indexing Freewheel

Cage Freewheels BWX are sprag freewheels to be installed between customer-supplied inner and outer rings.
Nominal torques up to 4 900 Nm.

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Irreversible Locks IR

Application Bidirectional Acting Backstop

Irreversible Locks IR are bidirectional acting roller freewheels with bearing support. They are ready for installation.
Nominal torques up to 100 Nm.
Bores up to 35 mm.
Whereas a normal Freewheel transmits torques from the driving or driven side in only one direction of rotation, with the Irreversible Lock IR it is possible for the driving part to drive the shaft in both directions of rotation. There is, however, a locking action against any reverse torque coming from the driven part, irrespective of the direction of rotation in which it is exerted.

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Bidirectional Acting Backstop

Fast reduction of the gap between disc and brake pad
Continuous monitoring of rotational speed, hydraulic pressure, oil temperature and rotational direction
Operation as a stand alone braking system is possible
Periodically light braking to clean the brake disc
Graphical visualization of the braking process in real time
Redundant installation of a second braking system is possible (one supports the other if necessary)
Retrofit or upgrade of outdated braking systems is possible
Permanent logging of operating data and system events
Spring pressure monitoring

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High Transmissible Torques

Highest transmissible torques
Easy, quick assembly by tightening clamping screws without a torque wrench
Distance-controlled assembly ensures guaranteed transmissible torques
Enclosed design, therefore impervious to dirt
True running even at high speeds
Centres the hollow shaft or hub to the shaft
For hollow shafts or hubs with outer diameters of 30 mm up to 620 mm

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Cone Clamping Elements RLK 404 Light

For applications with low contact pressure
Centres the hub to the shaft
High transmissible torque
No axial displacement between hub and shaft during clamping procedure
For shaft diameters between 70 mm and 600 mm

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Cone Clamping Elements RLK 404 TC Light

For applications with low contact pressure
Centres the shaft to the hub. Double slot for high centering accuracy.
Can be assembled multiple times
No axial displacement between hub and shaft during clamping procedure
Highest machining quality
Transmissible torque of 4100 Nm up to 722000 Nm
For shaft diameters between 70 mm and 600 mm

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Cone Clamping Elements Trantorque Mini - Metric

For smallest shaft diameters between 3 mm and 16 mm
Excellent concentricity and transmission of bending moments

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Cone Clamping Elements Trantorque OE - Metric

For small shaft diameters between 17 mm and 35 mm
Excellent concentricity and transmission of bending moments
Radial flat height

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Star Discs

For frequent clamping and release
Short axial width
Adjustable to the required torque by multiple arrangements in the form of disc packs
Low actuating force required, thus ideal for manual actuation.

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Ball Bearing Compensating Discs

RINGSPANN Star Spring Washers arebparticularly light spring elements with linear or not-linear spring characteristic. They are suitable for application as pressure elements in precision machines and as pressure springs for taking up free movement, and for reducing noise in ball bearings.
The very large axial movement of the spring guarantees that considerable axial variations and length tolerances can be accommodated without much deviation from the nominal value of the axial force of the star spring washer.
Because of the large axial variations of the spring it is often possible to achieve the desired effect with a single star spring washer.
Their spring load corresponds with the optimum values of the relevant bearing sizes.

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RIMOSTAT-Torque Limiers RS

Function When the preset slipping torque has been reached the built-in component (e. g. chain wheel) slips. During the slipping process, input and output rotate relative to each other and the preset slipping torque continues to be transmitted. Etc.

Particularly suitable in applications with frequent slipping
Better stability of slipping torque than Belleville spring torque limiters over duration of the operating period
Adjustment of slipping torque setting according to the number of active springs not through modification of spring pressure

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Force Limiters PA

Forces limited in both directions
High response accuracy
Automatic re-engagement
Maintenance-free
Robust construction
Uncomplex design
Easy to build on
For disengaging forces up to 140 000 N
Disengaging force finely adjustable

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Intermediate Flanges Z

Intermediate Flanges are used as adapters between machine connections in accordance to DIN 55026, sizes A5, A6 or A8 (see the machine connection table) and the RINGSPANN Complete Clamping Fixtures.

Possible combinations are listed in the table below. Accordingly, a given Intermediate Flange can be used for different Complete Clamping Fixtures.

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Intermediate Flanges

Intermediate Flanges Z, Type D connect RINGSPANN Precision Clamping Fixtures to the spindles of balancing machines as adapters.

The component is clamped and released by activating the Precision Clamping Fixture manually. The Intermediate Flange is available in four sizes and is capable of large clamping ranges when supplemented by different Precision Clamping Fixtures.

Eight radial threaded bores are provided for the purpose of balancing the Intermediate Flange with Precision Clamping Fixture. The Intermediate Flange is mounted to the machine with four M 8 bolts.
Product information

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Spring Force Actuator FUSR

Spring Force Actuators FUSR connect RINGSPANN Precision Clamping Fixtures to the spindles of balancing machines as clamping force unit.

The component is clamped by activating the Precision Clamping Fixture with the belleville springs of the Spring Force Actuator. Release is effected via the machine-side plunger, which counteracts the spring force. The Spring Force Actuator is available in five dimensions and is capable of large clamping ranges when supplemented by different Precision Clamping Fixtures.

Eight radial threaded bores are provided for the purpose of balancing the Spring Force Actuator with Precision Clamping Fixtures. The unit is mounted on the machine with four M 8 bolts.

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Tru-Line Flange-Couplings RFK

application A rigid and easy to disassemble shaft coupling solution for: Conveyor belts , Elevators Etc.

Compact design
Small axial space required for installation
Fast disassembly for minimal downtime
High shaft tolerance h8 permissible
No weakening of shafts by feather keys
No fretting corrosion as with keyway connections
Proven solution in many applications, particularly in mining.

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Rigid Shaft Couplings RWK 500

Compact design
Easy to release
For shaft diameters between 14 mm and 100 mm
Rigid and backlash free connection of shaft ends
No weakening of shafts by feather keys
No fretting corrosion as with keyway connections
Transmission of torques and axial forces

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Flexible Couplings L

Compact design
Small dimensions
Electrical insulation
No stick-slip action
Large radial shaft misalignment permissible
For angular misalignments of up to 3
Torsionally rigid
Minimal restoring forces on adjacent machine parts

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Other Products / Services #4584211

Material Selection

Non-contact SIKUMAT Proximity Switch

Hydraulic Power Unit

Pneumatic Cabinet

Friction Block Wear Control

Universal Transformer

Complete Freewheels FRXF

Complete Freewheels BA X

Complete Freewheels BC X

Complete Freewheels FA

Complete Freewheels FAV

Complete Freewheels RFB

Complete Freewheels FBE

Complete Freewheels FR CA

Complete Freewheel FRHM

Complete Freewheels FRHD

Housing Freewheel FCBM

Basic Freewheels FBO

Integrated Freewheels FXM

Cage Freewheels BWX

Irreversible Locks IR

Bidirectional Acting Backstop

High Transmissible Torques

Cone Clamping Elements RLK 404 Light

Cone Clamping Elements RLK 404 TC Light

Cone Clamping Elements Trantorque Mini - Metric

Cone Clamping Elements Trantorque OE - Metric

Star Discs

Ball Bearing Compensating Discs

RIMOSTAT-Torque Limiers RS

Force Limiters PA

Intermediate Flanges Z

Intermediate Flanges

Spring Force Actuator FUSR

Tru-Line Flange-Couplings RFK

Rigid Shaft Couplings RWK 500

Flexible Couplings L

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