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Deep Hole Skiving Roller Burnishing Machine

TGG2120 is the machine that speciallized for small diameter hot steel pipe. The machine design refers to Sierra of USA,combined rough boring,precision skiving burnishing into one process. High efficient and high precision.

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Description

Deep hole skiving roller burnishing Machine

Deep hole SRB Machine Brief：

TGG2120 is the machine that speciallized for small diameter hot steel pipe. The machine design refers to Sierra of USA,combined rough boring,precision skiving& burnishing into one process. High efficient and high precision.

Deep hole SRB machine main parameters：

	Item	Parameter
Working Capacity	Boring hole diameter range	Ф38-Ф200mm
Working Capacity	Workpiece length	2000mm
Boring bar box spindle parameters	Center height	> 350mm
	Leading end of cone hole boring bar box Spindle	Ф85mm 1：20
	The spindle speed range	50-1000r/min Ac frequency conversion stepless speed regulation）
	Output shaft torque	1500N.m
Feed parameters	Feed speed range	5-2000mm/min（stepless）
Feed parameters	Plate moving fast	3m/min
Machining accuracy	Locate the length	0-2m
	Workpiece surface roughness of boring	Ra3.2um
	Workpiece surface roughness of rolling	Ra0.4mu
	Workpiece machining straightness	0.05/500 mm
	Workpiece machining roundness	0.036/200mm
	Feed motor	48NM Ac servo motor
	Hydraulic pump station motor	3KW Ac motor
	Output cooling pump motor power	11KW one set, 7.5KW one set
	Automatic chip removal motor power	1.5KW one set
	Magnetic separator motor power	0.75KW one set
	Centralized lubrication motor	0.75KW one set
Others	Head of the biggest pre-tightening force for the workpiece	50KN
	The cooling system flow	600L/min
	Cooling system rated pressure	0.36Mpa
	Magnetic separator flow	600L/min

Deep hole SRB machine layout and details of each unit:

The machine consists of machine bed,machine head basement,job steady rest,hydraulic caliper,oil pressure head,oil pressure head carrier system,boring bar steady rest,high speed boring bar box,boring bar carrier infeeding system,coolant system,GSK electric system, auto lubrication system,motors and so on
Head frame basement,hydraulic caliper,oil pressure head,boring bar steady rest,boring bar box spindle concentration installed by hand, In the middle of the machine bed,one end install Φ63T lead screw, parallelism with guide rail is less than 0.05/1000mm，which drive oil press head move to adjust the length of the job. The other end install Φ80 ball screw，parallelism with guide rail is less than 0.05/1000mm，drive boring bar infeeding.
All turning parts support bearings all adopts NSK of Japan,which have long life span and high accuracy.
Coolant system is on side of the machine. Include chips conveyor,oil chamber and filtering system. Coolant flow can get 600L/min,user can adjust by hole size. Coolant rated pressure is 0.36-3MPa.
Hydraulic system,which has independent hydraulic pump. One is for oil pressure head move,clamping and head frame job clamping pressure supply. The other is for tool tension and shrinkage. The tool use hydraulic driven system. Independent hydraulic pump,which makes hydraulic system working more steady,accuracy and more easy to maintain.
Lubricate system: Machine has completely lubricate system,boring bar box carrier,boring bar spindle box use high volume circulation lubrication,boring bar steady rest,oil pressure head,use manual lubricate. The lubricate hydraulic pump is independent installed. which is more steady and easy to maintain.
Electric control system； Electric control system adopts Siemens control,equips TFT screen. Machine operate can be manual and can be auto control. All low voltage components we use Schneider brand. The electric cabinet meet GB5226.1 standard.
Machine safety guard；Mostly parts of the machine,use half enclosure.machine safety meet GB15760 standard.