Deep Hole Gundrilling Machine For ZSK2102x2000mm

1. Machine brief:

1.1 Processing Capacity :

Drill diameter range: Φ3~Φ20mm

Max. Drill depth : 2000mm

Max. Workpiece length :2000mm

Max. Hole length-diameter ratio : 100:1

Workpiece OD range: Φ20~Φ 100mm

 

1.2 Adopt gun drilling method, single spindle structure,suitable for drilling the coaxial hole on shaft parts;

1.3 When drilling ,both workpiece and cutting tool rotate in opposite directions, cutting tool feeding .

1.4Workpiece clamping:

The cone disk is mounted in front end of spindle for headstock and guide frame, the hydraulic system control the headstock spindle to move axially, use the cone disk and chamfer on both end of workpiece to clamp and position the workpiece automatically .

Workpiece Clamping Sketch

1.5 The machine adopts linear guide rail .

1.6 CNC system : GSK

1.7 Drill box:

Adopt the servo main motor driving the spindle to rotate through synchronous belt and

synchronous belt wheel, speed stepless could be realized , the max. rotary speed of spindle is

5000r/min ; the spindle driver front-located, good for protecting the main motor, and convenient for changing the cutting tool .

 

 

1.8 Headstock:

Drive the workpiece to rotate, rotary speed is constant 117r/min ;The spindle can move axially under the control of hydraulic system to tighten and loosen the workpiece ; The spindle driver front-located, good for protecting the main motor, and convenient for changing the cutting tool .

1.9 Cutting tool feeding system:

Adopt the structure of servo motor driving ball screw, the cutting tool feeding speed stepless could be realized .

1.10 Drill bar support rest :

2sets , the movement between drill bar support rest and drill box is linked; Along with

drill box movement, the distance between drill bar support rests can be adjusted automatically .

1.11 Coolant system :

Mainly composed of high pressure pump groups, chain plate chips conveyor, oil chiller,filter device and so on . The pressure adjustment knob and flow adjustment panel of the coolant system are installed on the CNC system operation station .

1.12: The machine bed ,box body etc. basic parts are cast by resin sand, through twice aging treatment.The machine bed is designed with slant oil returning slot , so that the cutting oil will not be stored, could return to the oil tank quickly .

1.13 Guide frame:

Used for guiding the cutting tool , discharge cutting chips , supporting the tool bar . The guide sleeve is assembled on its front end , used for guiding the cutting tool ; The drill bar support sleeve is assembled on its rear end, used for supporting the tool bar .

1.14 Machine Safety Guard:

The machine is with simple safety guard; The sliding door of safety guard is equipped with safety switch .

2. Machine main technical parameters :

Model		ZSK2102
Main parameter	Hole diameter range	Φ3~Φ20mm
	Max. Drill depth	2000mm
	Spindle quantity	1
Drill box	Main motor power	3.7KW
	Max. Rotary speed	5000r/min
Headstock	Power	1.5 KW
	Rotary speed	117r/min
Cutting tool feeding	Feeding speed range	5~500mm/min
	Rapid move speed	4m/min
	Feeding motor torque	7.5Nm
Coolant system	Max. Flow	100L/min
	Max. Pressure	10MPa

	Filter accuracy	20μm
Processing accuracy	Hoe size accuracy	IT7~IT10
	Surface roughness	Ra1.6μm~6.3μm
	Hole entry and exit deviation	0.5mm/1000mm (Max. hole length-diameter ratio≤100:1)
Others	Machine general power (about)	20.5kw
	Floor size	5.5m x 3.1m
	Machine weight(about)	6T

 

3. Machine main configurations list:

Series	Name	Supplier
1	CNC system , servo feeding motor	GSK
2	Servo spindle motor of drill box	MK
3	Spindle bearing	Chinese famous brand
4	Screw bearing	Chinese famous brand
5	Ball screw	Chinese famous brand
6	Rolling linear guide rail	Chinese famous brand
7	Chips conveyor	Chinese famous brand
8	Chain	Chinese famous brand
10	Main electric component	SIEMENS or SCHNEIDER
11	Main hydraulic components of hydraulic system	Chinese famous brand
12	Frequency Converter Motor of coolant system	Chinese famous brand (Jiaxing Jianianhua)
13	Frequency Converter of coolant system	Chinese famous brand
14	Auto lubricating device	Chinese famous brand
15	Rotary joint	American DEUBLIN

4. Machine optional configurations:

Auxiliary toolings, Cutting tools, Cutting oil .

5. Processing accuracy :

Item	Accuracy
Hole entry and exit deviation (Workpiece rotate)	0.5mm/1000mm (Max. hole length-diameter ratio ≤100:1)

Hole surface roughness	Ra1.6~6.3μm
Hole size accuracy	IT7~IT10

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