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Technical Parameter

Spot sale of t2150x3m deep hole drilling and boring machine

T2150 deep hole boring machine

I) basic process performance of machine tool:

1) drilling, boring, nesting and rolling of inner hole can be completed in this machine tool. During machining, workpiece rotation, tool feeding, cutting liquid cooling enter into the cutting area, lubrication, cooling chip area through the oil feeder (or boring bar), and the wrapping chip is discharged forward.

2) the BTA internal chip removal process is adopted during drilling. When boring, the cutting fluid and chips are discharged forward (head end).

3) machining accuracy of machine tool:

Drilling: hole diameter accuracy it9-11. Surface roughness: ra6.3.

Coarse boring: aperture precision it9-10. Surface roughness: ra6.3.

Precision boring: aperture precision it8-9. Surface roughness: ra3.2.

Rolling: aperture precision it8-9. Surface roughness: Ra0.4.

Straightness of machining hole: less than 0.15/1000.

Outlet deflection of machining hole: less than 0.2/1000

Machining efficiency of machine tool:

Cutting speed: determined according to the tool structure, material and workpiece material, generally 50-100m / min.

Feed speed: determined according to the processing conditions, generally 40-100mm / min.

Maximum machining allowance during boring: it is determined according to the structure, material and workpiece of the tool, generally not more than 30mm.

Main parameters of machine tool:


technical specifications



Boring diameter range


Drilling diameter range


Machining depth range

1-12m(One specification per 1 m interval)

Working clamp diameter range


Spindle center height


Headstock spindle diameter


Front end taper hole of main shaft

140#  1:20

Spindle speed range and series

3.15-315r/min    Level 21

Diameter of main shaft of drill pipe box (optional)


Taper hole at the front end of main shaft of drill pipe box (optional)


Transmission range and stages of main shaft of drill pipe box (optional)

80-350r/min  Level 6

Feed speed range (stepless)


Fast moving speed of carriage


Spindle motor


Drill pipe box motor (optional)


Hydraulic pump motor


Carriage fast motor


feed motor

N=5.5KW(AC servo)

Cooling pump motor

N=5.5KWN=1460r/min(3 group)

Rated working pressure of cooling system


Cooling system flow


Rated working pressure of hydraulic system


Maximum axial force on the oil feeder


Maximum jacking force of oil feeder on workpiece


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