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OKUMA
VTR-A Series

VTR-A Series

Product catalog summary

Overview: The document provides technical specifications for the VTR-A Series machines, specifically models VTR-160A, VTR-200A, VTR-280A, and VTR-350A. These machines are designed for heavy-duty turning and milling operations.

Specifications:

Max Swing: Ranges from ø1,600 mm (62.99 in.) for VTR-160A to ø3,500 mm (137.79 in.) for VTR-350A.
Max Turning Length: 1,600 mm (62.99 in.) with optional extensions up to 2,400 mm (94.48 in.).
Table Load Capacity: Varies from 10,000 kg (22,000 lb) for VTR-160A to 20,000 kg (44,000 lb) for VTR-350A.
Table Diameter: Ranges from ø1,250 mm (49.21 in.) to ø3,000 mm (118.11 in.).

Travel and Movement:

X-axis Travel: Varies by model, with the largest being 2,100 mm (82.68 in.) for VTR-350A.
Z-axis Travel: 1,250 mm (49.12 in.) with optional extension to 1,500 mm (59.06 in.).
W-axis Travel: 800 mm (31.49 in.) with optional extensions.
C-axis Travel: Varies by model, with the largest range being 0-2,625 mm (0-103.35 in.).

Performance:

Speed: Ranges from 1-400 min-1 for VTR-160A to 1-160 min-1 for VTR-350A.
Torque: Varies by model, with the highest being 230/190 N•m (169/140 ft-lbf).
Cutting Feedrate: Up to 30,000 mm/min (3,061 ipm).

Dimensions and Weight:

Height: Ranges from 6,050 mm (238.19 in.) to 7,275 mm (286.42 in.).
Floor Space: Varies by model, with the largest being 8,615 x 5,374 mm (339 x 211 in.).
Net Weight: Ranges from 22,000 kg (48,400 lb) to 43,000 kg (94,600 lb).

Additional Features:

Tool Shank: BT50 [BIG-PLUS].
Magazine Capacity: Includes a protective ring.
Control System: OSP-P200L.

Catalog excerpts

VTR-A Series ITEM Table load Machine bottom to table top (standard table) W-axis travel Speed ranges MILLING TOOL SPINDLE Infinitely variable Speed ranges Torque ( 30 min/cont) Tool shank TOOLS FEED AXIS Magazine capacity Max cutting force MOTORS Turning tool Cutting feedrate Turning spindle drive (30 min/cont) Milling tool Height SIZE 360 (minimum control angle: 0.001) Table top to milling tool spindle nose distance Z-axis travel C-axis travel X-axis travel TURNING SPINDLE Table diameter (machine only) (machine only) Floor space

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