梅花型連軸器 HRC-COUPLING
◆HRC Selection
- (a) Service Factor
- Determine appropriate service factor from Service Factors Table.
- (b) Design Power
- Multiply running power of driven machine by the service factor. This gives the Design Power which is used as a basis for coupling selection.
- (c) Coupling Size
- Refer to Power Ratings Table and read across from the appropriate speed until a power equal to or greater than the design power is found. The size of coupling required is given at the head of that column.
- (d) Bore Size
- From Dimension Table check that the required bores can be accommodated.
◆EXAMPLE
- A shaft coupling is required to transmit 70kW between a 1200 rev/min d.c. electric motor and a Banury mixer running 8hrs/day. Motor shaft is 70mm and the mixer shaft is 75mm.
- (a) Service Factor
- From Service Factors Table the Service Factor is 2.5.
- (b) Design Power
- Design Power 70×2.5=175KW
- (c) Coupling Size
- Reading across from 1200 rev/min in the speed column of Power Ratings Table：251KW is the first power to exceed the required 175KW (Design Power). The size of coupling at the head of this column is 230.
- (d) Bore Size
- Dimensions Table shows that both shaft diameters within the bore range available.
輪胎型連軸器 TYRE-COUPLING
