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CNC140C-2 Double Spindle, Double Drag CNC Thread Turning Machine
CNC140C-2 Double Spindle, Double Drag CNC Thread Turning Machine
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The CNC140C-2 dual spindle and dual drag CNC threading machine adopts a dual spindle and dual drag structure, which can simultaneously perform turning processing of two couplings. The specifications of the machined couplings are 2-3/8 'to 5-1/2', and the bed body is an inclined structure. The spindle chuck of the machine tool adopts a hydraulic power chuck, and the spindle bearings are well-known domestic and imported brands such as ZWZ, HRB, NSK, etc. The tool holder at each spindle is a two position fixed tool holder. The spindle motor adopts an explosion-proof asynchronous motor or main servo motor, and the CNC system is FANUC CNC system. An automatic chip conveyor can be optionally selected.
This machine tool is a specialized CNC equipment used for processing the threads of oil casing couplings and special threads for oil casing couplings. It can also be used as a general CNC machine tool to process disc-shaped parts such as outer circles, inner holes, end faces, arbitrary conical surfaces, spherical surfaces, curved surfaces, and grooves. Wide adaptability, high efficiency, good precision stability, good uniformity of part dimensions, and easy operation.
technical specifications
| project | unit | parameter | notes | |
| machine range | Swing over bed | mm | 600 | |
| Maximum rotation diameter on the saddle of the bed | mm | 340 | ||
| Maximum processing length | mm | 340 | ||
| Coupling diameter | mm | 73～153.67 | 2-3/8'～5-1/2' | |
| main shaft | Chuck diameter | mm | 315/400 | |
| Spindle center height | mm | 1040 | ||
| Spindle speed | r/min | 200~1000 | Variable frequency adjustable | |
| Main motor power | kW | 15/22 | 2 units | |
| Bed saddle | Tilt angle | DEG | 60° | |
| Moving distance X/Z | mm | 300/500 | ||
| Fast moving speed X/Z | m/min | 8/10 | ||
| Servo motor torque X/Z | N.m | 12/12 | ||
| tool carrier | Number of knife positions | Each 2 | Electric and hydraulic multi station automatic knife holder can be installed according to needs | |
| Tool size | mm | φ80 | ||
| other | power supply | kVA | 80 | 380V |
| Dimensions (length x width x height) | mm | 5770×1550×1990 | Excluding packaging box | |
| total weight | kg | 13000 | ||
| Processing cycle time | 2-7/8 'coupling | sec / Piece | 45 | |
| 3-1/2 'coupling | sec / Piece | 45 | ||
| 5-1/2 'coupling | sec / Piece | 80 | ||
| Machine tool accuracy | Machining accuracy | ≥IT6 | ||
| Processing workpiece roundness | mm | ≤0.008 | ||
| Processing workpiece cylindricity | mm | ≤0.020 / 300 | ||
| Processing workpiece flatness | mm | ≤ 0.030/Ф300 | ||
| Surface roughness of processed workpieces | Outer circle Ra1.6 μ m, circular arc surface, conical surface Ra3.2 μ m | |||
| Position accuracy and positioning accuracy X/Z | mm | 0.015/0.02 | ||
| Repetitive positioning accuracy X/Z | mm | 0.008/0.012 | ||
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