Heavy Duty BTA Deep Hole Drilling Machine


This heavy duty BTA drilling machine is specially for the cylinder-shaped workpiece, choose different cutter can obtain different accuracyrequirement.

Our normal machine is semi automatic control. You can choose CNC control also (when works on blind holes, CNCcontrol is suggested).

Customer can choose drilling bar box(it can enhance efficient and accuracy), please indicate when place order. This machine, according to the workpiece length, has two processing method, short workpiece adopts oil supplydevice and hydraulic clamping(same as T2120 series) long workpiece adopts boring bar tail to oil supply, four-crawchunk clamping. Oil supply adopts new type spindle structure, loading capacity is much more higher, rotary accuracy ishigher also. The machine bed adopts double rectangle rail, width is 800mm, big loading capacity.

Our machine adopts super cast iron(HT300), wood type cast molds, machine bed material is uniform, goodlooking appearance, good rigidity, accuracy keeping is long span, railway surface is quenched and ground.

Main Parameters of Machine Tool

Item name Parameters
Drilling diameter range 50mm-120mm
Boring diameter range 120-500mm
Boring: Max.Depth 1000-1500mm
Workpiece clamping diameter range 300-650mm
Spindle center height 625mm
Headstock spindle hole diameter 130mm
Spindle front taper hole 140#
Spindle speed range 3.15-315r/min 21
Infeed speed range (stepless) 5-500mm/min
Carrier rapid move speed 1.5m/min
Main motor power 30kW n=960r/min
Hydraulic pump motor power 1.5kW
infeed motor ppower 5.5kW
Coolant pump motor power 5.5kW 3 groups
Coolant system rated pressure 2.5Mpa
Coolant system flow 300 600 900L/min
Hydraulic system rated working pressure 6.3Mpa

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