RETROFITS & CNC CONVERSIONS
Efamatic Machine Tools have recently retrofitted another 72 inch Webster and Bennet with a Fanuc Oi TC control, 22 Nm axis motors and 30 kW main spindle motor.
| 1 | The machine is completely stripped down at Efamatic |  |
| 2 | All mechanical feed boxes are removed | |
| 3 | The slides are then ground | |
| 4 | The saddles is built up with low friction compound and then ground and scraped to suit the slides. |  |
| 5 | 50mm Diameter ballscrews supported by precision ballscrew support bearings are then fitted to both axes |  |
| 6 | The X axis slide was fitted with stainless steel telescopic covers. | |
| 7 | The 5 station turret was then extensively modified and is now indexed by program as on a normal CNC lathe. | |
| 8 | Indexing is by a servo motor with encoder feedback | |
| 9 | the turret is hydraulically clamped onto a large diameter curvic coupling, indexing is less than 5 micron. | |
| 10 | An independent hydraulic tank with oil cooler is fitted solely for the turret clamping system. | |
| 11 | A new hardware cabinet with heat exchanger is also fitted to the machine as well as all new wiring and electrical hardware. | |
| 12 | The CNC control is mounted on to a swivelling pendant and the hand wheel has an extension cable which assists during tool setting. | |
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