| TECHNICAL SPECIFICATION |
| MODEL |
SI-HMM-750 |
|
| CAPACITY |
| Longitudinal movement (Manual and automatic) |
≥ 750 mm |
| Transverse movement (Manual and automatic) |
≥ 250 mm |
| Vertical movement |
≥ 350 mm |
| Maximum loading capacity |
≥ 350 kg |
| SPINDLE |
| Speed range |
50 to 1600 rpm with 16 steps |
| Distance from lower surface of milling spindle to top surface of table |
90 mm to 400 mm |
| Distance from spindle center to column face |
≥ 350 mm |
| Spindle taper |
ISO 40 |
| FEED RANGE |
| Number of feeds |
≥ 16 |
| Longitudinal |
30 to 800 mm/min |
| Transverse |
30 to 800 mm/min |
| Vertical |
20 to 200 mm/min |
| POWER |
| Main motor |
≥ 5 HP |
| Feed motor |
≥ 1 HP |
| Machine geometric accuracies as per IS standard |
| Straightness of the vertical movement of the knee |
≤ 0.020 mm for any measuring length of 300 mm |
| Squareness between the transverse cross slide movement (Z-axis) and the longitudinal table movement (X-axis) |
≤ 0.020 mm for any measuring length of 300 mm |
| Flatness of the table surface |
≤ 0.020 mm for any measuring length of 300 mm |
| Parallelism between the table surface and table movement (longitudinal and transverse) |
≤ 0.025 mm for any measuring length of 300 mm |
| Squareness between the table surface and the vertical movement of the knee |
≤ 0.025 mm for any measuring length of 300 mm |
| Parallelism between the spindle axis and table surface |
≤ 0.025 mm for any measuring length of 300 mm |
| Parallelism between the spindle axis and the transverse movement of the table |
≤ 0.025 mm for any measuring length of 300 mm |
| Parallelism between the arbor support guide and the spindle axis |
≤ 0.020 mm for any measuring length of 300 mm |
| Coincidence of the axis of the bore of the arbor support and the spindle axis |
≤ 0.030 mm |
| STANDARD ACCESSORIES |
| •Vertical milling head- 1No. |
•Indexing head - 1 No. |
| •Swivel base machine vice ≥160 mm width - 1 No. |
•Machine lamp |
| •Coolant system (with first fill of coolant) |
•Arbor |
| •Climb milling attachment |
•Clamping kit consisting of T coupling, Flange nuts, Step clamps and Blocks |
| •Two arbor support bearing brackets and one overarm support |
| Safety features |
| Electromagnetic clutches for brakes for instantaneous stopping |
| Overload relays or any other protection system for motor |
| Cutting tools and tool holders |
| Sandvik make carbide tip (insert) type milling cutters in the diameter ranges – 50 – 60, 90- 100 mm – 2 Nos. in each range |
| Inserts for the above milling cutters – 10 Nos. for each cutter. |
| Holder for the above milling cutters |
| Gear cutters to cut gears of different number of teeth from 12 to 60 |
