sales@libertymachinery.com
sales@libertymachinery.com
Okuma Bridge Mill MCM-B 20×50 E
New – 1998
CATALOG SPECIFICATIONS:
Capacity:
– Effective Width Between Columns…………80.71″
– X-Axis (table front/back)…………196.85″
– Y-Axis (spindlehead left/right)…………106.30″
– Z-Axis (spindle ram up/down)…………31.50″
– W-Axis (crossrail up/down)…………27.56″
– Distance from Spindle End to Top Surface of Table………48.03″
Table:
– Working Surface…………59.06″ x 188.98″
– T-Slots (9)…………0.94″
– Load – Maximum…………44,000 Lbs.
– Height form Machine to Bottom Surface…………31.5″
Spindle:
– Diameter…………3.94″
– Tapered Hole…………NT no. 50 7/24
– Spindle Speed Range – 2 Step…………10 to 3,000
Feedrate:
– Rapid X/Y…………590 FPM
– Rapid Z…………393.7 FPM
– Cutting…………157.48 IPM to 236.22 IPM
Tool Changer:
– Shank Type………… MAS BT 50
– Storage…………70
– Diameter w/ Adjacent Tools – Maximum…………5.31″
– Diameter wo/ Adjacent Tools – Maximum…………9.06″
– Length – Maximum…………15.75″
– Weight – Maximum…………55 Lbs.
Motors:
– Spindle – 30 min/continus…………30/24.7 HP
– Table Traverse…………9.3 HP
– Spindlehead Traverse…………6.4 HP
– Ram Feed…………6.4 HP
– Crossrail Elevating…………..6.4 HP
Dimensions – Catalog…………270″(L) x 480″ (W) x 238″(H)
Weight – Catalog…………92,400 Lbs.
Okuma Bridge Mill MCM-B 20×50 E EQUIPPED WITH:
Okuma OSP7000M control
Universal vertical/horizontal spindle head
*Catalog specifications, subject to verification.
CNC bridge mills, also known as bridge-type machining centers, are large-scale machine tools designed for heavy-duty machining operations. These machines feature a bridge structure with a horizontally moving gantry that supports the spindle and workpiece.
CNC bridge mills like the Okuma bridge mill offer a spacious work envelope and high rigidity, allowing for the machining of large and heavy workpieces with exceptional precision. They are commonly used in industries such as aerospace, automotive, and mold making, where the production of large components or molds is required.
With their advanced CNC control systems, bridge mills provide precise control over the machining process, including tool paths, feed rates, and spindle speed. They can perform a variety of operations, including milling, drilling, boring, and tapping, with the ability to handle multiple axes simultaneously.
The versatility and robustness of CNC bridge mills like the Okuma bridge mill make them suitable for both roughing and finishing operations, delivering high-quality results and improved productivity. Their large work envelope and high weight capacity allow for the machining of complex and challenging workpieces.
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