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CNC tube sheet drilling Machine  

This equipment is mainly composed of bed and vertical slide, gantry and horizontal slide, the vertical ram drilling power head, chip conveyor, hydraulic systems, cooling systems, centralized lubrication systems, electrical systems, pneumatic systems and other components.

A. Feature

a)Mainly used to drill flange, heat-exchanger ,tube-sheet and the inner & outer ring of big slewing bearing ring .

b)Precision spindle , high speed drilling with slight milling function.

c)Directly transfer of CAD/CAM, automation and high precision can be realized.

d)Spindle box of the machine are adopted cast iron formed resin bonded sand process and reasonable layout of ribs to provide good stiffness and steadiness.

e)The bed and worktable of the machine are adopted cast iron formed resin bonded sand process and reasonable layout of ribs to provide good stiffness .Good rigidity ,and steady .

f)The heavy spindle group with high quality adopted belt roller provides ultra-large torque output capacity.

B. Parameter

Name of parameter  Item    Value

Max. distance between hole centers    Length × width    4000×4000mm

Max. thickness of workpiece    250mm

Worktable  Width of T-slot  28mm

Vertical ram type drilling head   Quantity   2

                            Morse Taper  BT50

Max .drilling diameter. (Normal carbon steel)  φ40mm(Carbide drill head) φ50mm(High-speed steel twist drilling head

Drill depth/drill diameter        ≤5(Carbide drill head )

Rotation speed of spindle      30—4500r/min

Max. tapping diameter      M39

Motor power of spindle      2×22/33kW

Max. torque of spindle (n≤ 250r/min)    840Nm

Distance between bottom surface of spindle and worktable     280-780mm

Longitudinal movement of gantry (X axis) Max. stroke   4000mm

Movement speed of X axis   0-8m/min

Servo motor power of X axis /torque  2×3kW/28.4Nm

Transverse movement of drilling head (Y axis) Max. distance between two spindles 4000mm