BTA Deep Hole Drill And Boring Machine

https://www.dzgljc.com/deepholehoningmachine/deepholehoningmachines-10.html1.Machine processing range:

Solid drilling diameter range ：25-100mm

Boring diameter range ：40-200mm

Workpiece OD range ：60-400mm

Max. Drilling depth ：1m

Workpiece length range ：0.4m-1m

2.Machine function:drilling and boring

Drilling：BTA drilling method, chip is discharged backward through the drilling bar.

Boring：Push boring method, chip is dispatched forward through the bottom hole of the workpiece.

3.Machine main parameters:

Specification			Parameters	Note
Working capacity	Drilling diameter range		Φ25～Φ100mm
	Boring diameter range		Φ40～Φ200mm
	Max.drilling depth		1000mm
	Max. Boring depth		1000mm
	Workpiece outer diameter range		Φ60～Φ400mm
	Workpiece length range		400-1000mm
Machine performance	Z axis(Drill box feeding)	Infeed speed range	5～1000mm/min
		Rapid traverse rate	2000mm/min
		Infeed motor torque/power	19Nm/3KW
		Max. Feeding force	60KN
	X axis(Oil feeder feeding)	Rapid traverse rate	2000mm/min
		Infeed motor torque/power	19Nm/3kw
		Max. tighting force	60KN
	Drill box	Rotary speed range	30-1000r/min
		Motor	30KW
		Gear	Manual 12 speed
	Headstock	Chuck	Φ400mm	Manual three-jaw chuck
		Rotary speed range	30-1000r/min	/
		Motor power	30KW
		Gear	Manual 12 speed
	Machine total power		98kw
	Machine load bearing		3T
	Machine footprint		9mx3.3m
	Center height(from flat guideway to spindle center)		400mm
Cooling system	Max.pressure		2.5MPa
	Max. flow		400L/min
	Oil tank capacity		2300L

4.Machine accuracy:

Drilling and rough boring :

Skewness:0.5mm/1000mm

Drilling: Hole accuracy: IT9-11

Surface roughness: Ra6.3-12.5um

Precision boring:

Hole accuracy: IT8-9

Surface roughness: Ra1.6-3.2um

Straightness :less than 0.10/1000mm

5.Machine standard parts:

NO	ITEM	QTY
1	Machine bed	1set
2	Drill box	1set
3	Headstock	1set
4	Three jaw chuck for headstoxk	1set
5	Workpiece support rest	1set
6	Oil pressure head	1set
7	Coolant system	1set
8	Feeding carriage	1set
9	Lubrication system	1set
10	PLC control system	1set
11	Electric box (with air conditioning)	1set
12	Manual	1set
13	Boring bar support rest	1set

6.Workpiece clamping method:

The manual three-jaw chuck on the headstock clamps one end of the work piece, the cone on the oil pressure head automatically pushes the chamfer at the other end of the work piece.

7.Machine system: DELTA PLC control system:

Z-axis:The longitudinal feed movement of the drill box, the servo motor drives the rack and pinion mechanism through the reduction mechanism.

X-axis: The oil pressure head servos the workpiece, and the servo motor drives the rack and pinion mechanism through the reduction mechanism.

8.Machine bed:

The bed body was cast with resin sand and normalized treatment was carried out after casting. The bed body adopts a split structure, which is assembled together by high-strength bolts and positioned by conical pins.

Adopt double rectangular sliding guide, precision grinding, high hardness of guide surface quenching.

The bed is equipped with a bevel rack for the tool feed drive. The rack is precision machined and quenched. The machine tool has large bearing capacity, rigid foot and stable transmission.

V-shaped inclined bar is arranged inside the bed body, which has large support strength and is not easy to deform. The outer wall of the bed directly supports the guide rail, the guide rail can withstand large cutting force, the rigidity of the guide rail is good, and the processing process is not easy to deform and shake, which is conducive to improving the processing quality and efficiency of the machine tool.

The oil return tank is cast around the bed body, and the oil baffle is installed on the return oil tank, and the cutting oil on the bed body automatically returns to the cooling tank.

9.Headstock:

Used to drive the rotation of the workpiece, fixed on the left end of the bed body.

Manual 12 gear, with the Frequency conversion motor through the belt, gear box to drive the spindle rotation, headstock front assembly manual three-jaw chuck for clamping workpiece.

Gear precision grinding processing; The gear tooth surface is treated by high-frequency quenching, 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 impact load.

The external lubricating oil box is used for circulating lubrication of gears and bearings, and low liquid level alarm device is installed in the oil tank.

A button plate is installed on the headboard box, which has the functions of spindle point, feed forward, feed backward and emergency stop.

Customer Visiting:

Contact me for more details.
Wendy Yang：
Mobile/whatsapp:+86 18353451737
Email:deepholedrilling@dzguanlu.com

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