Star Coupling

What is Star Coupling?

We are a leading Star Coupling Manufacturer and Supplier in Gujarat, India. Star Coupling, also called spider couplings, is a flexible connector to couple any two shafts for torque transmission with some misalignment and dampening vibrations. The flexibility and cushioning are given through the seat of an elastically star-shaped element between two metal hubs.

star coupling

Material : Cast Iron And Mild Steel

PART LIST
SR.NO PART NAME MATERIAL
1 Coupling Hub Cast Iron (GG 20)
2 Star/ Spider Nitrile Rubber
TYPE - S
SIZE RATED HP AT RPM RATED TORQUE BORE SIZE Ø P JAW DIA. HUB DIA. TOTAL LENGTH THROUGH GAP BET. DIST.
BETWEEN 		WEIGHT PILOT COUPLING
1000 1500 3000 kg-m PILOT MAX. ØJ ØH LENGTH L BORE G JAW & BODY F SHAFTS D (APPROX)KG
75 1.0 1.5 3.0 0.71 9 22 44.5 39 55 21 2 13 0.45
95 2.8 4.2 8.4 2.00 10 28 54 49 63 25 2 13 0.80
99 4.0 6.0 12.0 2.86 10 30 65 51 72 27 3 18 1.15
100 6.0 9.0 18.0 4.29 10 38 65 57 88 35 3 18 1.55
110 11.0 16.5 33.0 7.87 15 42 85 76 108 43 3 22 3.25
150 17.0 25.5 51.0 12.17 15 48 96 80 115 45 3 25 4.15
190 22.0 33.0 66.0 15.75 20 60 115 102 133 54 3 25 7.45
225 33.0 49.5 99.0 23.62 20 65 127 108 153 64 3 25 9.95

Characteristics of Star Coupling:

  • ✓ Design: The coupling, in effect, has two hubs between which a star-shaped elastomeric insert is sandwiched.
  • ✓ Material: The material used for hubs is normally steel or aluminum, while a resilient elastomer acts as a spider.
  • ✓ Flexibility: Elastomeric spiders provide slight angular misalignment, radial misalignment, and axial movement.
  • ✓ Damping: A star-shaped insert helps in damping vibration and shock.
  • ✓ Maintenance: Easy installation and maintenance; the elastomeric insert is replaceable without removing the hubs.
  • ✓ Sizes: Inner diameter ranges to suit most shaft diameters and torque requirements.
  • ✓ Temperature Resistance: The elastomeric insert may cover a fairly wide temperature range so that the coupling will work satisfactorily under different operating conditions.

Advantages of Star Coupling:

Star Couplings have several advantages in industrial applications. It resists small misalignments and in turn decreases stress on connected machinery, hence increasing its life.

The elastomeric spider dampens the vibration and absorbs shocks, hence providing smoother operation and thereby saving the machinery from damage. The replaceable spider provides for easy installation and maintenance.

This offers the ability to quickly service and replace the coupling at a low cost without dismantling the entire coupling. Star couplings are fabricated from high grade raw materials and hence have the properties of toughness and resilience, bearing demanding environments.

They come in various sizes and capacities for temperature resistance, offering temperature resistance applicability in small-size machinery through to heavy industrial equipment.