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Type:Deep Hole Drills
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Drilling Diameter:3.15 "
Drilling Depth:315 "

Product Overview

Main Specifications and Features

specifications technical data
Max. boring diameter Φ250mm
Drilling capacity Φ25~Φ80mm
Max. boring depth 1~8m(length to diameter ratio 100:1)
Center height(from flat guideway to spindle center) 350mm
Spingdle bore diameter Φ75mm
Front taper of spindle Φ85mm 1:20
Speed range and steps 70-1200r/min 12kinds
Feeding speed range 10-1000mm/min(stepless)
Rapid speed of feeding carriage 4000mm/min
Range of workpiece diameter Φ40~Φ350mm
Main motor N=30kW,n=1460r/min
Feeding motor N=3.3kW,α30/1200 A.C servo motor
Rapid motor of oil carriage N=2.2kW,n=960r/min
Rapid speed of oil carriage 3000mm/min
Coolant pump motor N=5.5kW,n=1460r/min(3 sets) N=7.5kW,n=960r/min(1 sets)
Hydraulic pump motor N=1.5kW,n=1440r/min
Rated pressure of cooling system 2.5~6.3MPa
Flow of coolant 80、180、280、380L/min
Rated pressure of hydraulic system 6.3MPa
General motor power N=61kW(coolant pump 24kW)
Overall machine weight 12t
Floor area 8800×1680×1700(mm)

Dezhou Delong (Group) Machine Tool Co., Ltd.

About Dezhou Delong (Group) Machine Tool Co., Ltd.

The predecessor of Shandong Precion Co., Ltd, Dezhou Machine Tool works founded in 1945, has a history of more than sixty years. In 2008, July, The company has officially renamed to Shandong Precion Co., Ltd. Besides Dezhou Precion Machine Tool Co., Ltd and Dezhou Delong (group) Machine Tool Co., Ltd, the group has also subsidiaries engaged in casting and environmental protection equipment. Its major products are large/medium conventional lathe, CNC lathe, deep hole machining machine tool and other types of special purpose machine tools.


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