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Flexible Shafts/Drives ( Outer Casing Round Or Interlock Design )
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Flexible shaft is a complete mechanism capable of transmitting rotary power from
the motor unit to the tool head or brush within the tube. The size of the flexible
shaft is based on internal diameter (ID) of the tube.
Inner wire core is flexible shaft's most important working element. It is
designed and constructed to meet power drive operating conditions that include torque,
speed, length and minimum bend radius. At the centre of the core is a single wire
around which successive multi-stranded layers of wire are wrapped. Each layer is
wound in the opposite direction and at right angles to the layer directly beneath
it. The direction in which the wire on the outer most layer is wound determines
the direction in which the shaft is designed to rotate.
Outer casing made of galvanized steel / rubber hose and internally reinforced
with antifriction lining to support the wire core and resist helixing under torque
loading. It does not rotate and it functions as a cover to protect the core.
Handpiece is attached to one end of the shaft, either detachable or fixed
type, with threaded spindle to connect tool heads or brushes, with two nos ball
bearing.
Motor coupling is fitted to the other end of the shaft, either threaded type
or pin type. The length of the flexible shaft required is the addition of the length
of the longest tube plus the distance between the mouth of the tube and the position
of the power unit.
| INNER CORE MM (INCH) | 12 - 13 (1 / 2") | 15 - 16 (5.8") | 19 (3 / 4") | |
|---|---|---|---|---|
| OUTER CASING MM (INCH) | 25 - 26 (1") | 30 - 32 (1.1 / 4") | 35 - 36 (1.3 / 8") | |
| METER | FEET | CODE NO. | CODE NO. | CODE NO. |
| 6.0 | 20.0 | PFS-1326-20 | PFS-1632-20 | PFS-1935-20 |
| 7.5 | 25.0 | PFS-1326-25 | PFS-1632-25 | PFS-1935-25 |
| 8.0 | 27.0 | PFS-1326-27 | PFS-1632-27 | PFS-1935-27 |
| 9.0 | 30.0 | PFS-1326-30 | PFS-1632-30 | PFS-1935-30 |
| 10.0 | 33.0 | PFS-1326-33 | PFS-1632-33 | PFS-1935-33 |
| 12.0 | 40.0 | PFS-1326-40 | PFS-1632-40 | PFS-1935-40 |
| 15.0 | 50.0 | PFS-1326-50 | PFS-1632-50 | PFS-1935-50 |
| 18.0 | 60.0 | PFS-1326-60 | PFS-1632-60 | PFS-1935-60 |
| 20.0 | 65.0 | PFS-1326-65 | PFS-1632-65 | PFS-1935-65 |
| 22.0 | 70.0 | PFS-1326-70 | PFS-1632-70 | PFS-1935-70 |
| 25.0 | 75.0 | PFS-1326-75 | PFS-1632-75 | PFS-1935-75 |
| SPARES | CODE NO. | CODE NO. | CODE NO. | |
| Inner Core | PIC-1300 | PIC-1600 | PIC-1900 | |
| Outer Casing | POC-2600 | POC-3200 | POC-3500 | |
| Ball Bearing Hand Piece Code | HP-3000 | HP-3500 | HP-3800 | |
| Socket Inner Core Tool End | STE-13T | STE-16T | STE-19T | |
| Socket Inner Core Motor End (Screw Type) | SME-13S | SME-16S | SME-19S | |
| Socket Inner Core Motor End (Pin Type) | SME-13P | SME-16P | SME-19P | |
| Socket Outer Casing Tool End | STE-26 | STE-32 | STE-35 | |
| Socket Outer Casing Motor End | SME-26 | SME-32 | SME-35 | |
| Tool End Bearing Spindle | BS-1326 | BS-1632 | BS-1935 | |
Flexible Shaft Spares
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