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Invented decades ago but still in use today, the original Hirth coupling from Voith Turbo meets the combined requirements of modern engineering:
- Lightweight design
- High strength connections
We offer a complete range of services to meet almost any requirement:
- Standard rings
- Toothed rings to customer specifications
- Serrations on customer components
With these self-centring, radial face tooth connection, you can precisely connect shafts, discs, wheels and cranks.
Needless to say, we will also support you in the design process and with the calculations for the Hirth serration / coupling. We have access to effective simulation tools for performing the calculations.
Applications for Hirth couplings:
- Machine tools (particularly rotary indexing tables, turret heads and pallet changers)
- Turbo compressors
- Metrology
- Robotics
- Nuclear technology
- Medical technology
- General engineering
- Wind power plants
- Marine propulsion (propellers, shaft drive chains)
- Engines (crankshafts)
- Gas turbines
- Aviation (propellers, turbine blade fixings)
- Plastic machines
- Rail transmissions
- Large scale gearboxes
- Rolling stands / rolling mills
- Universal joint shafts
- Safety couplings
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Linking joint rods are indispensable in the field of linking technology and are needed in every possible variant in respect of length, arrangement of the end parts and particularly bendability and angularity, right or left hand threads and in galvanized or stainless steel versions.
mbo Osswald has now taken these into consideration. Particularly as supplier and manufacturer of the end parts needed for these joint rods, mbo can offer all options of these end parts. In this way, clevis joints be combined with angle joints and knuckle eyes with rod ends with left/right hand threaded joint rods.
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The connection of linear actuators, motors, positioning sensors, electric and pneumatic cylinders to other driven elements is critical. A high degree of angular and parallel alignment is required to prevent binding or wear, while preventing backlash.
The Nexen LC linear coupling has a patented, high-capacity spring system that absorbs parallel misalignment up to 0.7 mm and angular misalignment up to 1.5 degrees. It has zero axial backlash under all operating conditions and is virtually maintenance free.
The Nexen LC linear coupling can be used in a wide variety of precise linear motion application, and is ideal as a replacement for actuator rod ends.
Features include:
Zero backlash in axial direction
Low inertia
Compact design
Designed for high tensile and compressive forces in high dynamic applications
Applications include:
Robotics
Machine tool systems
Linear actuators
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Dexter's magnetic couplings have no seals, no leaks and no contamination. Because our magnetic couplings can transfer motion, force or torque across a solid barrier, no seals are required between the driving motor and the harsh or hazardous operating environment. Without a seal, there is no risk of leak or contamination.
Dexter can provide linear or rotational designs and functionality to handle the harshest of environments. We can scale to any device size or performance specifications you need.
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Precise torque limitation
- torque limitation from 0,0 bis 1.000 Nm (synchronous clutch)
- easy and fast adjustable to your requirements
- application possible even at extreme high rotation
- speeds
- rated torque level is independent of age and operation
- infinitely adaptable to your requirements
- unlimited number of overload cycles
- absolutely abrasion-free
- rated torque level remains constant even at frequent
- overload cycles
Superior hygiene requirements:
- no abrasion
- no working material means or external supplies
- also available in high-grade steel
Superior transmission through the application of hysteresis clutches:
- constant and soft slipping at torque limitation
- ´soft starts´- smooth starting moments
- rated torque level remains constant even at overload status
- the shafts to be connected can be operated with different rotation speed
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Overhead mounted agitator drive:
The overhead drive prevents the escape of any hazardous gases during agitation.
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Standard sizes are available as small as 50 mm in diameter and as large as 1500 mm in diameter. 3 piece Hirth gears are available as well as custom designed gears.
Milling of Teeth
The gears are rough machined, thermally annealed, semi-finished machined with a roughing of the Hirth Teeth and finally thermally stressed relieved.
Grinding of the Teeth
The diameters and faces are rough ground with the teeth being induction hardened to a RC58 +2 surface hardness using Danobat CNC grinders.
Grinding of the Surface
The gears are precision ground again on their faces, both inside and outside diameters using ELB and Voumard grinders.
Final Grinding & Inspection
The Hirth teeth are semi-finished ground, unclamped and then reclamped for a final ground holding extreme accuracies on new Magerle CNC grinder.
Matching Hirth type face gears are ground parallel to .002mm (.00008") or better using ELB grinders and inspected on Rank Taylor Hobson and Sip Mul 300 measurement machines.
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Features of R+W Linear Couplings:
Linear Couplings with zero axial backlash
compact design
low dead weight
for high tensile and compressive forces
compensation for lateral misalignment
axial backlash-free
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Using a bottom mounted agitator drive, the agitator is hermetically sealed, thus preventing any contamination of the product.
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Performance Spectrum:
- The broad spectrum of the DST standard construction range covers centrifugal pumps, rotating piston pumps, liquid ring pumps as well as agitators with differing torque ratings.
- Individual intermediate solutions are also available.
- Customer specific special solutions
Construction of DST permanent magnetic coupling:
- outer ring
- coupling enclosure (the cover is in Hastelloy from size 75/10)
- inner rotor completely encapsulated in 1.4571 stainless steel
- magnet material Sm2Co17
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MINEX®-S
* Permanent magnet coupling
* Hermetic separation of the driving and driven side
* Resistent to aggressive media
* Torque: 3 Nm - 80 Nm
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Magnetic mixing is a way of complete sealed , undisclosed, bear corrosion, Static dead sealing through welding isolative sleeve replace dynamic mechanical sealing, which can completely solve the leaking problem of mechanical sealing. The equipment is mainly applicated for Pharmaceutical, Food machinery heating , resolving the material.
Application range: mixing devices various stainless steel reaction tanks and liquid-compounding tanks.
Working conditions: the places need high-standard sealing such as inflammable explosible, easy to leak
Features:
1. Static dead sealing through welding isolative sleeve replace dynamic mechanical sealing, which can completely solve the leaking problem of mechanical sealing.
2. Simple structure, east to dismantle, easy to clean, no dead space.
3. a mixing unit is installed on the bottom ,which can mix under few matter ,with unique mixing oars, and can be suitable to mix various mediums
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Application range: mixing devices various stainless steel reaction tanks and liquid-compounding tanks.
Working conditions: the places need high-standard sealing such as inflammable explosible, easy to leak
Features:
1. Static dead sealing through welding isolative sleeve replace dynamic mechanical sealing, which can completely solve the leaking problem of mechanical sealing.
2. Simple structure, east to dismantle, easy to clean, no dead space.
3. a mixing unit is installed on the bottom ,which can mix under few matter ,with unique mixing oars, and can be suitable to mix various mediums.
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Magnetic Technologies Ltd. offers a complete line of coaxial and disc type magnetic couplings for transmitting torque.
• Torque range is from 0 to 2000 foot pounds.
• Speed range from 0 to 10,000 rpm.
• Couplings can transmit torque through a non-magnetic barrier, making them perfect for pumps, mixers, and actuators.
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Magnetic couplings are a hermetically tight solution for pumps and agitators. Dangerous or precious media stay put in the closed system circuit. The power transmission (up to 315 Nm) occurs contact-free through magnets from the drive to the shaft running in the product. Magnetic couplings are thus the logical consequence for ecologically conscious buyers in the chemical industry.
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Conversion units can be retro-fitted in many areas, for example:
- PU machines
- Hydraulic applications
DST conversion units allow for the combination of the majority of different leading makes of pumps and drive motors.
We will evaluate specific applications to produce a functional combination, in order to utilise the advantages of "hermetically sealed" and "wear-free" in an optimum way.
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Falk™ True Torque® Fixed-Fill Fluid Couplings
11 sizes, 5 types
Gear, disc, elastomer, and grid coupling; hollow shaft and sheave connections
Delay, extended-delay, and non-delay fill
Power ratings to 1 119 kW (1,500 hp)
Starting power adjustable from 40% to 250% of full-load torque
Overload protection
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Voith start-up components include fluid couplings (turbo couplings) with constant or controlled filling. The hydrodynamic operating principle facilitates low-wear power transmission. Thus the turbo coupling has proven as an economical and reliable drive component more than a million times.
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Voith is the leading manufacturer of hydrodynamic variable-speed couplings, geared variable-speed couplings, variable-speed planetary gears VORECON and torque converters. They are used in power generation, in the oil and gas industries as well as in the chemical and raw material industries to control pumps, compressors, blowers, and mills, and to start up gas turbines - in short, where ever maximum operating safety and precise, high control dynamics at lowest operating and maintenance effort are required.
The application of hydrodynamically adjustable drives allows energy and cost savings, higher flexibility, longer service life of machinery and motor, less maintenance effort and use under adverse conditions with compact and robust designs. The output range reaches from 100 kW to 50,000 kW and speeds of up to 20,000 rpm.
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To solidarize pinions on trees. They remove the keys for ranges ultracourtes.
Indefinitely dismountable assembly.
Axial and angular position defined in the assembly.
Fixing without play, perfect concentricity.
Of diameter 3 with diameter 70.
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