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Rigid shaft couplings are available in one and two-piece designs, with and without keyways, in aluminum, carbon steel, and stainless steel. A large number of standard sizes are available in straight and step bore combinations to fit shafts ranging from 1/8″ to 2″ in the inch series and from 3mm to 50mm in the metric series. Inch to metric conversion couplings are also available by special order. Each rigid coupling is stamped with the name and the bore sizes for easy identification.

The one-piece rigid coupling wraps around the shaft, providing high torsional holding power without the shaft damage and fretting inherent when set screw style couplings are used. The two-piece rigid coupling has the additional benefit of allowing for dis-assembly and maintenance without removal of other components. The two-piece design also features opposing hardware for dynamic balancing.


CNC Machining Rigid Split Muff Coupling

The simple and durable design of rigid shaft couplings allows the components to transmit more power than comparable flexible shaft couplings but also prevents them from compensating for shaft misalignment. With these considerations in mind, industry professionals generally only use them for applications where the shafts are coaxial and/or pre-positioned in precise alignment with each other.

Stainless Steel Rigid Single Split Shaft Coupling

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high precision aluminum muff coupling

Surface: as your requirement
Material: steel / aluminum / brass / iron / zinc / alloy
Any other material and dimension depends on customers’ demand. 
Manufacturing process: casting parts
Euipment: casting machine
Testing equipment: projector

High quality split muff coupling

There are multiple spacers in the clamp coupling . Among those spacers same like the slider coupling, due to its elasticity, it has the effect of buffering and damping, so it is often used in the case of strong vibration. The performance limit temperature of the elastomer determines the use temperature.So it has good versatility and wide application range

Elastic spider  flexible jaw coupling

The Curved Jaw couplings can be utilized in many applications and serve as an
all-purpose coupling. The basic design of the Curved Jaw allows for a higher torque
capacity in a compact design. The curved tooth has a greater contact area which
gives it the high torque capacity, and reduces edge pressure. It will accommodate
axial, radial and angular shaft misalignment.
The hubs are produced from a variety of materials including: aluminum, gray iron,
Steel and stainless steel. 

Motor shaft coupling

1.Material : Aluminium, Aluminum alloy 70750
2.Zero Backlash and 0 repair rate
3.High torque rigidity
4.Large adjustment amount of allowable deviation
5.Absorption of vibration and good electrical insulation
6.Can be with keyway if you need
7.Can customize the length or as your drawing

Price, our manufacture ensure that our prices across China are quite competitive. It is better for you to compare prices and quality among suppliers.But everyone knows you can not buy the highest quality products with the lowest price,but our product is the best quailty if you use equal price.

We produce a series of industrial and agricultural products, such as couplings, chains, gearboxes, etc.



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  • The split muff coupling is also called compression coupling or clamp coupling. It is a rigid type of coupling.
  • In this coupling, the sleeve is made of two halves.
  • The halves of the muff are made of cast iron. One-half of the muff is fixed from below and the other half is placed from above.
  • The two halves of the sleeve are clamped together by means of mild steel studs or bolts and nuts.
  • The number of bolts can be four or eight. They are always in multiples of four.
  • The bolts are placed in recesses formed in the sleeve halves.
  • The advantage of this coupling is that the position of the shafts need not be changed for assembling or disassembling of the coupling.
  • This coupling may be used for heavy duty and moderate speeds.


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