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Easy Installation Steel Flange Coupling Universal Joint for Metallurgical Machinery
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Easy Installation Steel Flange Coupling Universal Joint for Metallurgical Machinery

Definition :
As name implies flange coupling has flanges to connecting both shafts. It is a special type of rigid coupling. It is consists of flanges, one of them is fixed at the end of each shaft, the two flanges being bolted together with a bolts fitted circumferentialy to complete the drive.Flange coupling can only be used when both shaft are perfectly aligned in static or dynamic condition.The proper alignment is always required for the good connection. This is used for high speed applications ,because it has proper and tight connection by flanges and nut-bolts. It is widely used in power transmission as easy to assemble and simple in construction.
  • HZCD or customzied
  • 8483600090
  • Foshan China
  • 35CrMo 40Cr,45# steel
  • Standard
  • metallurgy, mining, lifting and transportation industries petroleum, chemical
  • 7working days after confirm the order or according to the quantity.
  • 3 days after confirm the order
  • HZCD or customized
  • Manufacture OEM,ODM offered
  • As customer request or standard
  • forge,CNC turning .milling .drilling grinding ,wire EDM
  • customized

Product Description

Construction Features:

-         The most widely used fixed rigid coupling

-         Simple structure, Reliable working performance, Large transmission torque

-         GY type Used hinge hole bolt to alignment, assembly and disassembly does not move along the axial direction

-         GYS type concave convex groove alignment, convenient processing, but assembly and disassembly have to move along the axial direction

-         The shaft hole can also be cone

During the real application,it has verious kinds of type,such as gear flange coupling,hydraulic flange coupling,insulated flange coupling,integral flange coupling,keyed flange coupling,mechanical flange coupling,quick flange coupling,stainless steel flange coupling,threaded flange coupling

coupling drawings

coupling parameters

coupling parameters

coupling parameters

structure type

This coupling has two main structural forms:

By the hinged bolt to achieve the two-axis alignmen , by bolt rod under compression and shear transmitte the torque.

② Align the flange on one coupling half with the groove on the other coupling half.The bolts connecting the two coupling halves can use ordinary bolts,such as  class A and B, and its torque is transmitted by the friction torque of two coupling halves joint surface.

The material of the flange coupling can be gray cast iron or carbon steel. Cast steel or forged steel should be used under heavy load or when the peripheral speed is greater than 30 m / s.

According to the magnitude of the transmitted torque.the bolts on the flanges can all use hinged bolts, or half of them with hinged bolts, and the other half with ordinary bolts .


Flange couplings have high requirements on the neutrality of the two shafts. When there is relative displacement between the two shafts, it will cause additional loads and deteriorate the working conditions. This is its main disadvantage.


1 Flange coupling is simple structure, easy to manufacture, and low cost.

2 Reliable work, easy installation and maintenance,

3 The transmission torque is large, which can ensure the high alignment accuracy of the two shafts.

4 Generally used for shafting transmission with stable load, high speed or high transmission accuracy requirements.

5 Flange coupling does not have radial, axial and angular compensation

 How we ensure our quality?

Material AvailableStainless Steel:SS201,SS301, SS303, SS304, SS316, SS416 etc. 35CrMo 40CrMo42  CrMo

           Steel:mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# 

                               Aluminum:AL6061, Al6063, AL6082, AL7075, AL5052, A380 etc.

                              Iron:A36, 45#, 1213, 12L14, 1215 etc.

                              Plastic:ABS, PC, PE, POM, Delrin, Nylon, Teflon, PP,PEI, Peek or as required

Surface FinishAluminum:Clear Anodized,Color Anodized,Sandblast Anodized,Chemical Film,Brushing,Polishing,Chroming.

Stainless Steel:Polishing,Passivating,Sandblasting,Laser engraving.

Steel:Zinc plating,Oxide black,Nickel plating,Chrome plating,Carburized,

Heat treatment,Powder Coated.

Drawing Format:IGS,STP,X_T ,DXF,DWG , Pro/E, PDF

Test EquipmentMeasurement instrument, Projector, CMM, Altimeter, Micrometer, Thread Gages, Calipers, Pin Gauge etc.

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