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BTA Deep hole drilling and boring machine
1.1 Machine main parts:
Machine bed , headstock ,oil pressure head, one set drill bar support rest, drill box, sliding guide rail, rack and pinion,coolant system,DELTA PLC control system,electric cabinet, one set center rest and so on .
1.2 Workpiece clamping
One end of the workpiece is clamped by the manual three-jaw chuck of headstock ,oil pressure head tighten another end automatically,center rest support the workpiece .

1.3 Machine bed
The machine bed is made of resin sand and normalised after casting. Adopt double rectangular sliding guide rail, precision grinding, quenching treatment,the hardness can be HRC48-HRC52 .
1.4 Headstock
Used for driving the workpiece to rotate, fixed on the left end of machine bed.
The gears are machined by precision grinding , gear surface is quenched by high frequency quenching, and the hardness of the tooth surface is HRC48-52.
In order to improve the service life of gears and bearings, lubricating oil is used to circulate lubrication.
1.5 Center rest
Used for supporting the workpiece.
1.6 Oil pressure head
Used for guiding the cutting tool, supplying cutting oil and supporting the workpiece .

1.7 Drill box
Used for driving the cutting tool to rotate . The gears are machined by precision grinding , gear surface is quenched by high frequency quenching, and the hardness of the tooth surface is HRC48-52, so that the gear can obtain high strength, high hardness, high wear resistance and high fatigue limit, and can withstand relatively large alternating load and shock load.

1.8 Drill bar support rest
Used for supporting the drill bar .
1.9 Coolant system:
Mainly including the coolant pump, chips box, oil tank, etc. , to supply enough cutting oil for the deep hole machining .

Machine main technical parameters:
| Specification | Parameter | Remark | ||
| Working Capacity | Drilling hole diameter range | 30-100mm | - | |
| Boring(burnishing) diameter range | 40-360mm | - | ||
| Processing depth range | 500mm-6000mm | - | ||
| Workpiece length range | 500mm-6000mm | - | ||
| Workpiece OD range | 90-500mm | - | ||
| Machine Features | Z1 axis (Drill box feeding) | Feeding speed range | 5-500mm/min | - |
| Rapid move speed | 1500mm/min | - | ||
| Servo motor torque /power | 27Nm/4.3KW | - | ||
Z2 axis (Oil pressure head movement)
| Rapid move speed | 3m/min | - | |
| Servo motor torque /power | 27Nm/4.3KW | - | ||
| Drill box | Rotary speed range | 40-500/min | 12-gear speed regulation | |
| Motor power | 30KW | Three phase asynchronous motor | ||
| Headstock | Rotary speed range | 61-1000r/min | 12-gear speed regulation | |
Motor power | 30KW | Three phase asynchronous motor | ||
| Chuck | 400mm | Manual three-jaw | ||
| Others | Machine floor size | 19.7mx3m | - | |
| Machine weight | Roughly 28T | - | ||
| Machine General power | 87KW | - | ||
| Machine loading | 3T | - | ||
| Others | Coolant pump motor | 7.5KW,3groups | - | |
| Max. pressure | 2.5MPa | - | ||
| Max. flow | 800L/min | - | ||
| Oil tank volume | 3200L | - | ||


Our company is built in the year 2011, as the professional manufacturer of BTA deep hole drilling and boring machine , Deep hole gundrilling machine, Deep hole honing machine, Deep hole skiving and roller burnishing machine , as well as relative cutting tools for above machines .
Our machines have been exported to more than 40 countries , including USA ,France, Ireland, Belgium ,Hungary, Canada, Australia, Russia, South Africa, Brazil,Singapore,India, Egypt,Zambia,etc. ....All customers like our machine so much .
If any requirements,please feel free to contact us.







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