GRAY SERIES 300 HEAVY DUTY VERTICAL BORING MILLS

Specifications & Market Value

GRAY SERIES 300 HEAVY DUTY GRAY SERIES 300 HEAVY DUTY VERTICAL BORING MILL equipment image
Reference image

Equipment Overview

OEM
GRAY
Year of manufacture
-

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 ''

Dimensions

Size
120 in H

Category

  1. MACHINING
  2. → BORING MILLS
  3. → VERTICAL BORING MILLS

Data Accuracy and Verification

Specifications, market trends, and valuation estimates are compiled from manufacturer documentation, historical sales, and 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 data before making buying or selling decisions. Valuations do not represent guaranteed transaction prices or binding offers, and Aucto assumes no liability for decisions made using this data.

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