KMB Self feed drill head housing is made up of S.G. Iron. Hardened and ground spindle is provided which is assembled in a quill and guided in between precision bearings. Separate motor is provided to drive the spindle through the timing belt. Drilling heads are tested in the drilling machine
| KMB-SFGHP 12-125 |
KMB-SFDHP 20-100 |
|
|---|---|---|
| Total stroke | 125mm | 100mm |
| Thrust load at 6 bar | 1200 N (120Kg) | 1200 N (120Kg) |
| Speed range | 940 to 4400 rpm | 510 to 2280 rpm |
| Concentricity of spindle | 0.02 mm | 0.02 mm |
| Air Connection | 4 mm ID | 6 mm ID |
| Operating Pressure | 5 to 6 bar | 5 to 6 bar |
| Drill capacity (in steel) | 12 mm(1/2*) | 19 mm(3/4*) |
| Air consumption | 0.18 Hs per cm stroke | 0.56 Hs per cm stroke |
| Working stroke - variable | 30-60 mm | 30-75 mm |
| Motor rating | 0.18 / 0.35 Kw | 0.75 / 1.10w |
| Tool fixture | Collet - Er 16 / Jacob 6 | MT 3 |
| Total weight of the unit | 35 Kg | 80 Kg |
| Bearings | Ball / Angular contact bearing | Ball / Angular contact bearing |
| Spindle | Case hardened and ground | Case hardened and ground |
