Professional China Directional Boring Machine - Deep Hole SRB Machine TGK Series – Premach

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Professional China Directional Boring Machine - Deep Hole SRB Machine TGK Series – Premach Detail:

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Function Description

When processing. the workpiece is fixed and the cutting tool is rotated. Adopting the combined technology of skiving and roller burnishing, the machine gives a good solution for the severe deviation in rough processing of hot roller steel pipe, and the inferior straightness in fine processing of cold drawn steel tube. It is mainly used for the compound process of boring and roller burnishing for hydraulic cylinder parts. The hole tolerance is up to IT7-8, the surface roughness is up to Ra0.2-0.4μm. its processing efficiency is 10 times of the traditional boring technology and 20 times of ordinary honing machines. The traditional technology usually includes four independent steps in order: rough boring-semi finish boring-floating boring-roller burnishing, which is inefficient and needs a long time.

This machine is assembled with automated flexible tools control module, using the specialized Korean pneumatic and Germany hydraulic tools system, the processing allowance 0.2-8mm in radial direction is available.

TGK series machines adopt Siemens 808 CNC system (optional), the headstock spindle is driven by AC variable frequency motor, with stepless speed regulating. The bed body adopts high quality cast iron, the double flat guide way ensures the good rigidity and excellent guiding. And protection guard structure is equipped around. The machine has the automatic chip conveyer, magnetic separator and paper filter. Filtering precision is up to 20μm. The coolant can be cleanly recycled and reutilized.

Note：If the customer’s workpiece is hot-rolled pipe, we can also install a headstock according to the customer’s needs, so that the workpiece and the tool can rotate at the same time.

Technical parameter

	TGK10	TGK20/TGK25	TGK36
Boring Dia.	Φ35-Φ100mm	Φ40-Φ200mm/250mm	Φ60-Φ360mm
Processing depth range	1-12m	1-12m	1-12m
Workpiece clamped Dia. range	Φ40-Φ150mm	Φ40-Φ300m/350mm	Φ120-Φ450m
Guide way width	500mm	650mm	650mm
Spindle center height	300mm	400mm	450mm
Spindle speed range, grades	5-1200rpm, stepless	120-1000rpm, 4 gears, stepless	60-1000rpm, 4 gears, stepless
Main motor power	30KW	37KW/45KW, frequency converting motor	45KW/60KW/75KW, frequency converting motor
Feed speed range	5-3000mm/min (stepless)	5-3000mm/min (stepless)	5-3000mm/min (stepless)
Feed carriage rapid moving speed	3/6m/min	3/6m/min	3/6m/min
Feed motor	27Nm	36Nm	48Nm
Cooling pump motor	N=5.5KW, two groups	N=5.5KW, three groups	N=7.5KW, three groups
Hydraulic pump motor	/	1.5KW, n=1440r/min	1.5KW, n=1440r/min
Rated pressure of cooling system	2.5MPa	2.5MPa	2.5MPa
Flow of cooling system	100,200L/min, two groups	100,200L/min, 200L/min, three groups	100,200L/min, 200L/min, three groups
Air pressure	≥0.4MPa
CNC system	SIEMENS 808 or optional

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Boring Hole Machine