Product Details

HORIZONTAL DEEP HOLE BORING MACHINE

DB-250 DB-350

Main Outlook

Product Description

FEATURES:

1. The machine is special equipment for machining deep cylindrical hole of workpieces.

2. It can be perfectly suited for drilling and boring through holes, blind and step holes in workpieces, Such as, spindle of various kinds of machines, many kinds of hydraulic oil cylinders and cylinders.

3. It can perform not only boring but also rolling pressing.

4. The method of the forward-removal chip is adopted in boring, forward is adopted during boring.

5. The machine is strong in rigidity of the bed, high in precision, and wide in spindle speed range.

6. Feed system is driven by Japan YASKAWA AC Servo feeding motor.

7. It is suitable for various processing methods of machining deep holes.

8. Fixture of the guide carriage and clamping force of the workpiece are performed by hydraulic device and indicated by meter.

9. Deep hole boring machine model DB-250/DB-350 are a kind of special machine for boring cylindrical workpiece.

10. It can be perfectly suited for boring through holes and step holes in workpiece.

11. The method of the forward-removal chip is adopted in boring and they are suited for mass production individualized production and small-lot production.

12. Various change-model products of the series can be supplied according to user’s requirement.

MAIN SPECIFICATION:

Specification	DB-250	DB-350
Max. boring dia.	250mm	350mm
Max. boring depth	1000-8000mm
Workpiece clamped dia. range	60-330mm	220-450mm
Height from spindle center to bed	350mm	450mm
Spindle bore diameter	75mm
Taper of spindle bore	85mm 1:20
Range of spindle speed	40-500r/min 11kinds
Feed speed range (infinte)	5-1000mm/min (stepless)
Carriage rapid-moving speed	2m/min
Main motor power	30kW
Hydraulic pump motor power	1.5kW
Carriage rapid motor power	3kW
Feed motor power	4.4kW
Cool pump motor power	5.5kW 4group	5.5kW 3group
Rated pressure for cooling system	2.5MPa	0.36MPa
Flow of cooling system	100 200 300 400L/min	300 600 900L/min
Rated working pressure for hydraulic system	6.3MPa

OVERALL DIMENSIONS AND WEIGHTS:

Length (mm)	DB-250			DB-350
Length (mm)	Floor space(L×W×H) (mm)	Net weight (t)	Gross weight (t)	Floor space (L×W×H) (mm)	Net weight (t)	Gross weight (t)
1000	7948×3150×1550	12	13	7980×3500×1850	12.7	13.6
2000	9948×3150×1550	14.5	15	9980×3500×1850	15.1	16.4
3000	11948×3150×1550	16.3	17	11980×3500×1850	16.8	18.2
4000	13948×3150×1550	18.8	20	13980×3500×1850	19.1	20.7
5000	15948×3150×1550	20.6	22	15980×3500×1850	21.1	22.5
6000	17948×3150×1550	22.5	23	17980×3500×1850	22.5	24.4
7000	19948×3150×1550	24.5	25	19980×3500×1850	24.2	26.2
8000	21948×3150×1550	26.2	28	21980×3500×1850	26.4	29.6

Detail Images

The machine consists of bed body, headstock, drilling and boring box (optional), chuck body, feed carriage, oil feeder, cooling system, chip removal device, steady rest, hydraulic system, boring bar support, motor and electrical system, etc.

Packaging and Shipping:

Firstly packed by waterproof cloth and then in wooden case.
Few parts may need to be taken down and be packed in wooden case.
According to customer's different require, wo can adopt different packaging.

Whether CNC deep hole honing machine or CNC deep hole drilling and boring machine or CNC deep hole skiving roller burnishing machine, we all use the same standard Packagings.