GRAY SERIES 300 HEAVY DUTY VERTICAL BORING MILL
Equipment Overview
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- GRAY
- Model
- SERIES 300 HEAVY DUTY
- Year of Manufacture
- -
- Category
- VERTICAL BORING MILLS
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A+Technical Description
The GRAY SERIES 300 is a heavy-duty vertical boring mill engineered for large-scale machining operations. Key specifications include a generous 144-inch table diameter and a maximum swing of 151 inches. It offers substantial working height, with a maximum height under the cross rail of 120 inches and a maximum under ram or tool block of 112 inches. The machine is equipped with dual vertical rams, each capable of a 96-inch stroke. Powering the system is a 75 HP table drive motor, facilitating table speeds infinitely variable from 0.8 to 50 RPM, and accommodating heavy workloads with a table capacity of 100 tons. Precision feeding is ensured by infinitely variable feeds ranging from 0.0005 to 2.0 inches per revolution. Operation and control are managed by a reliable CNC system, specifically the Giddings & Lewis 8000 CNC.
Technical Attributes
- Max Spindle Speed
- 50.00 RPM
- Spindle Power
- 75.00 HP
- Table Diameter
- 144.00 ''
Data Accuracy and Verification
Specifications and technical details are compiled from manufacturer documentation, historical records, and third-party industry sources. While care is taken to ensure accuracy, this information is provided for reference purposes only and may contain errors or omissions. Users should independently verify all details before relying on them.
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