CNC Horizontal Lathe/Turning Center
The objective of BESTEK is ton manufacture a new generation of machine tools with built-in intelligence and smart technology to meet the current and future expectations of the industry in terms of performance and operational support..
| MAJOR SPECIFICATIONS |
| SPECIFICATION | UNIT | BT-15 CNC | BT-25 CNC | BT-35 CNC |
| CAPACITY | ||||
| Swing over bed | mm | 400 | 450 | 500 |
| Swing over carriage | mm | 250 | 300 | 400 |
| Maximum turning dia.(Optimum) | mm | 150 | 250 | 350 |
| Maximum turning length | mm | 350 | 450 / 600 | 800 / 1200 /1450 |
| MAIN SPINDLE | ||||
| Spindle Nose taper | Taper | A2-5 | A2-6 | A2-8 / A2-11 |
| Spindle thru bore | mm | 42 | 60 | 90 / 110 |
| Bar capacity | mm | 32 | 44 | 55 |
| Chuck Size | mm | 165 | 200 / 250 | 250 / 315 / 400 |
| Front Bearing Bore | mm | 75 | 90 | 120 / 140 |
| Main motor rated power | kw | 5.5 | 7.5 | 11 |
| 30 minute rating | kw | 7.5 | 11 | 15 |
| Speed range | RPM | 50-4000 | 50-3500 /4000 | 50-2500 |
| Speed range | RPM | 750-4000 | 750-3000 | 500-2500 |
| GUIDEWAYS | ||||
| BED | – | Damping concrete polymer composite single piece 45 degree slant. | ||
| Guideways | – | Linear Motion | Linear Motion | Linear Motion |
| Cross guideways on saddle | – | Linear Motion | Linear Motion | Linear Motion |
| CARRIAGE | ||||
| Axis stroke – Z | mm | 450 | 500 / 650 | 850 / 1250 /1500 |
| Axis stroke – X | mm | 140 | 165 | 220 |
| Feed rate (variable) | Mt/min | 0-24 /40 | 0-24 /40 | 0-25 |
| Ball Screw Ø and pitch – X axis | mm | 32 x 10 /20 | 32 x 10 /20 | 40 x 10 |
| Ball Screw Ø and pitch – Z axis | mm | 32 x 10 /20 | 32 x 10 /20 | 40 x 10 |
| Rapid torque | NM | 8 | 8 | 12 / 16 |
| ACCURACY | ||||
| Positioning accuracy X and Z axes | mm | 0.01 | 0.01 | 0.01 |
| Repeatability | mm | 0.003 | 0.003 | 0.003 |
| TAIL STOCK | ||||
| Type | – | External rotating Center | ||
| Quill dia. | mm | 85 | 85 | 100 |
| Quill stroke | mm | 100 | 100 | 120 |
| Center taper in quill | MT | 4 | 4 | 5 |
| Thrust adjustable | N | 7500 | 7500 | 7500 |
| Tailstock base travel | mm | 350 | 350 /500 | 700 /1100 /1300 |
| Quill actuation | – | Hydraulic | Hydraulic | Hydraulic |
| Clamping to bed | – | Manual | Manual | Manual |
| Movement on bed | – | Manual / Servo | Manual / Servo | Manual / Servo |
| TURRET | ||||
| No. of station | No. | 8 | 8 / 12 | 8 / 12 |
| Maximum boring bar dia | mm | 40 | 40 | 50 |
| Tool shank size | mm | 25×25 | 25×25 | 25×25 |
| GENERAL | ||||
| weight | Kg | 4000 | 4500 | 6000 /7000 /8000 |
| Dimensions | Mt | 2.2 x1.4 x1.6 | 2.2 x1.4 x1.6 | 3 x2.5 x2.1 |
