Precision Machine : Tandem CNC - Ecomaister Co., Ltd.

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Ecomaister Co., Ltd.
[Korea]

Address:
581-1 Gajwa-dong Seo-gu Incheon 404-250 Korea

Phone:
82-32-5760501

Contact name:
Sangyoon Oh

Machine Division

	Precision Machine : Tandem CNC

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Cutting and diameter measuring of train wheels are carried out automatically. The train wheels can be cut without separating carts from the train. One bogie (2 axes) can be cut simultaneously or respectively.



Description	Specification
Track gauge	1,435mm
Maximum tread diameter of the wheel	1,400mm
Minimum tread diameter of the wheel	610mm
CNC Controller	SINUMERIK 840C (2 mode 4 channel)
Main drive motor (AC)	37kwX2
Maximum permissible axle load	Approx. 30Ton
Main spindle speed	Stepless 20 - 85 m/min
Cutting feed speed	0.2 - 3.0mm/rev
Max. difference in diameter of both wheels	Maximum 0.2mm
Maximum depth of cut (single pass)	10mm
Rate of production / 8hrs	24 wheel sets
Net weight of the machine	Approx. 50Ton

1992.12.	Utility Model No. 069239 : Improved under-floor wheel lathe
1992.12.	Utility Model No. 069240 : Hydraulic system for guiding location of wheel lathe
1992.12.	Utility Model No. 069241 : Machine of fixing wheels for cutting
1992.12.	Utility Model No. 069242 : Sliding rail for wheel lathe
1994.01.	Patent No. 070357 : Wheel processing machine
1996.06.	Patent No. 100807 : Numerical controller and control method for wheel lathes
1996.08.	Patent No. 103514 : Wheel lathes for train wheels

Single-type under-floor wheel lathe used by Korea Train Express (Busan Terminal) : being used for over 15 years in many organizations including Korean National Railroad.