C o m m o d ity D e s c r ip tio n
Item
High-Speed Coupling Sets for Compressor Test Facility
Description
A. GENERAL
1. Transfers torque and power from one shaft to the other shaft.
2. Couplings accomplish paral el and angular misalignment of two shafts.
3. The shaft rotates 0 to 70,000 rpm.
4. The type of coupling is flexible diaphragm coupling.
5. Support and warrant from headquarter office.
B. COMPONENTS
1. Coupling set consists of 2 of coupling hub and 1 of spacer shaft.
2. Requirement : 3 sets
C. SPECIFICATIONS
1. Nominal Rating : 100 Nm, 70,000 rpm
2. Maximum Speed : 72,000 rpm
3. Critical Speed : Over 178,000 rpm
4. Maximum Steady Torque : Over 160 Nm
5. Peak Instantaneous Torque : Over 287 Nm
6. Spacer Shaft Length : 100 mm
7. Shaft Diameter Nominal : 17mm
8. Shaft End Type : Splined DIN 5480 - 17 x 1 x 15 x 7H 8f
(All shaft ends are identical.)
< In case of Nominal Length 50mm >
1. Effective Half Mass of Coupling : Below 0.24kg
2. Total Moment of Inertia : Below 0.00015 kgm
2
3. Axial Deflection : Within ± 0.37 mm
4. Paral el Misalignment : Below 0.36 mm
5. Angular misalignment : Within ± 0.2°
6. Axial Stiffness : About 320 N/mm
7. Bending Stiffness : About 230 Nm/rad
8. Torsion Flexibility : About 1.08x10
-4 rad/Nm
9. Large length increases need special consideration.
D. WARRANTY : 12 months from a successful acceptance or 18 months from delivery
Responsible for al problems of facility caused by rupture of coupling