JX-250
The JX-250 is the latest B-Axis tool spindle machine from Nakamura-Tome. Equipped with world’s smallest tool spindle “NT Smart Cube” and Y-axis standard twin turret, it is a high rigidity ATC type Multitasking machine.
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Equipped with AI type thermal displacement compensation system “NT Thermo Navigator AI”
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The world’s smallest tool spindle! Motor output 22/15kW
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L/R twin turret with Y axis! (op. L Turret)
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Supports various machining with Crossover stroke (R:490mm, L:140mm)
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Distance between spindles :1,850mm
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And in the X-Y plane, it moves □ 250mm from the center of the main spindle
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Number of ATC tool stock 80 (op. 40,120)
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240° B-axis positioning range (±120°)
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Shortened time with opposing 2 spindles, L and R simultaneous machining
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High rigidity horizontal bed with wide, low center of gravity design, vertical column structure
Capacity
| Max Turning Diameter | 12.6" (320mm) |
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| Max Turning Length | 65.0" (1,650mm) |
Bar Capacity
| Bar Capacity L-Spindle | ø3.1" (80mm) (ø 2.5" 65mm opt) |
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| Bar Capacity R-Spindle | ø2.5" (65mm) |
| Chuck size | 8.0" (203mm) / 10" (254mm) |
Axis Travel
| Slide Travel: X1 | 25.4" (645mm) |
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| Slide Travel: X2/X3(opt) | 8.5" (215mm) / 8.5" (215mm) |
| Slide Travel: Z1 | ± 32.5" (±825mm) / (at ATC+ 39.6" (1,005mm)) |
| Slide Travel: Z2 | 58.7" (1,490mm) |
| Slide Travel: Z2/Z3 (opt) | 4301" (1,095mm) / 29.3" (745mm) |
| Slide Travel: Y1 | ± 4.9" (125mm) |
| Slide Travel: Y2/Y3(opt) | ± 1.6" (40mm) / ± 1.6" (40mm) |
| Slide Travel: B2 | 61.0" (1,550mm) |
Left Spindle
| Spindle Speed | 3,500 rpm |
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| Spindle Speed Range | Stepless |
| Spindle Nose | A2-8 |
| Hole Through Draw Tube | 3.1" (80mm) |
Right Spindle
| Spindle Speed | 4,500 rpm |
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| Spindle Speed Range | Stepless |
| Spindle Nose | A2-6 |
| Hole Through Draw Tube | 2.5" (66mm) |
Tools
| Number of Tool Stations | 80 (40, 120) opt |
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| Number of Indexing Positions | 48 |
Tool Spindle
| Tool Spindle Speed | 12000 rpm |
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| Tool Shank Type | CaptoC6 |
| Number of Tool Stock | 40 (80, 120)(op.) |
| Max Tool Weight | 26 lbs (12kg) |
| Driven Tool Spindle | 30/20 KW |
General
| Machine Weight | 55,000 lbs (25,000kg) |
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Renishaw RMP40M-QE and NC4 Blue Combo Probes
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FMB 8-80 Barfeeder
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Hennig CDF Coolant System
