KOVOSVIT MASTURN 820i Universal centre lathe with CNC system
Max. turning dia: 720 mm
Max. turning length: 2 000 / 3 000 / 4 500 mm
Max. Workpiece weight: 3 000 Kg
Max.outpu S1: 22 kW
Simple machines suitable for piece and small lot production parts.
High precision, performance, easy operation.
Constant cutting speed – part machining of high quality.
Graphic simulation of machining.
Possibility of machining by means of manual control as on conventional lathe or via automatic cycles with CNC system support running on the basis of fixed cycles.
Program can be written as contour programming or DIN programming.
Cutting conditions and geometrical data of the part shape are entered via keyboard in control system which processes them automatically.
On demand, the software for creation of programs and their realization in your PC is available.
| STANDARD ACCESSORIES | MT 820i 2000 / 3000 / 4500 | MT 820i Live Tool 2000 / 3000 |
| Working space lighting | yes | yes |
| Fixed centre | yes | yes |
| Adapter to spindle | yes | yes |
| Ariving disc | yes | yes |
| Working space enclosure | yes | yes |
| Tool cooling | yes | yes |
| Operation tool set | yes | yes |
| Operating manual | yes | yes |
| HEIDENHAIN MANUAL plus 620; SIEMENS 828 Manual Turn | yes | yes |
| SPECIAL ACCESSORIES | yes | yes |
| Three-jaw chuck | yes | yes |
| Four-jaw chuck | yes | yes |
| Face-plate | yes | yes |
| Steady rest | yes | yes |
| Following steady rest | yes | no |
| Following steady rest for turret | yes | no |
| Guide of the bars | yes | yes |
| Tube guideways | yes | yes |
| Stock stop in spindle | yes | yes |
| Movable centre Röhm | yes | yes |
| Chip conveyor | yes | yes |
| Chip container | yes | yes |
| Lifting equipment | yes | yes |
| Quick holder MULTIFIX | yes | no |
| 8-position turret | yes | no |
| 8-position turret – driven tools | no | yes |
| Technological SW Data Pilot 620 | yes | yes |
| Technological SW for import of contours in DXF format (only for Heidenhain) | yes | yes |
| Cooling of the switch board – air conditioning | yes | yes |
| Spare parts catalogue | yes | yes |
Heidenhain Manualplus 620
Siemens Sinumerik 828D
Systems define oneself with simple operating and attendance.
Data on screen are easy readable, the graphic of programming displays all possibilities of machining. Hand wheel is instrumental towards testing of tools and determination of zero point of section (“towards scratchy of section”). By means of interactive programming it is possible to turn the difficult formative surface like for example cones, ranges, necks or threads. Your products will be ready more precisely and fundamentally faster.
Technologic preferences of machines:
— Suitable for piece or small lot production of parts
— Fast setting of new component also repeated production
— Fast school in and employee orientation of staff
— Operating goes out from customs of the turner
— High load factor of the machine minimalize price per piece
— By virtue of cycle programming accompanies the simply operating with CNC productivity
— Allows manual production of simple sections also automatic production of complicated components
— Support of programming with rich file of lathe cycles incl. contour programming
— Complete machined of complicated sections for third times than on conventional machine
| Technical data | MASTURN 820i CNC 2 000 / 3 000 | MASTURN 820i CNC Live Tool 2 000 / 3 000 | |
| Working range | |||
| Geometric and working accuracy | ISO 1708 | ISO 1708 | |
| Max. turning dia. | mm | 720 | 340 |
| Swing over bed | 820 | 820 | |
| Swing over cross slide | mm | 530 | 530 |
| Distance between centers | mm | 2000 / 3000 / 4500 | 2000 / 3000 |
| Working spindle | |||
| Spindle nose (DIN 55027, 55029) | – | B11, C11 | B11, C11 |
| Spindle bore | mm | 128 | 128 |
| Spindle taper | – | 132 | 132 |
| Control system | HEIDENHAIN MANUAL plus 620 / SIEMENS SINUMERIK 828D | HEIDENHAIN MANUAL plus 620 / SIEMENS SINUMERIK 828D | |
| Main drive | |||
| Motor output | kW | 22 | 22 |
| Automatic two-speed gearbox | 2 stages | 2 stages | |
| Spindle speed range | min-1 | 0 – 1800 | 0 – 1800 |
| 1st gear | min-1 | 0 – 400 | 0 – 400 |
| 2nd gear | min-1 | 20 – 1800 | 20 – 1800 |
| Max. spindle torque S1/S6-40% | |||
| 1st gear | Nm | 2150 | 2150 |
| 2nd gear | Nm | 430 | 430 |
| Axis X | |||
| Ball screw – dia / pitch | mm | 32 / 5 | 32 / 5 |
| Travel | mm | 370 | 370 |
| Rapid traverse | m.min-1 | 10 | 10 |
| Axis Z | |||
| Ball screw – dia / pitch | mm | 50 / 10 | 50 / 10 |
| Travel | mm | 2000 / 3000 / 4500 | 1928 / 2928 |
| Rapid traverse | m.min-1 | 10 / 7,5 / 10 | 10 / 7,5 |
| Tool head | * MULTIFIX D1 | 8-position turret – Live Tools | |
| 8-position turret | |||
| 25 x 25 | |||
| Max. tool section | mm | 25 x 25 / 40 x 40 | |
| Tailstock | |||
| Tailstock dia | mm | 115 | 115 |
| Tailstock travel | mm | 225 | 225 |
| Taper for rotary center – MORSE | – | 6 | 6 |
| Max. total machine input | kVa | 45 | 48 |
| Machine dimensions (length x width x height) | mm | 4000 / 5000 / 6000 x 2055 x 1863 | 4000 / 5000 x 2055 x 1863 |
| Machine weight | kg | 4900 / 5300 / 6500 | 4900 / 5300 |
