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NAME:Tuning Center


German Quality / Manufacture in China
The INDEX Group is one of the leading turning machine manufacturers worldwide. The products of INDEX and TRAUB cover the entire range of turning machines, from single spindle to multi spindle to sliding headstock machines. The corporate headquarters is located in Esslingen, Germany, with subsidiaries located around the world. With 2200 employees, consolidated annual sales of the INDEX Group in 2002 were 320 Mio Euro.INDEX-DALIAN, a joint venture of INDEX and the DALIAN MACHINE TOOL GROUP, was established in the city of Dalian, China in 2001. INDEX-DALIAN manufactures selected turning machines of the INDEX Group, TNA300/400 with the main components from Germany.

Main Features

◇ Precise work spindle
◇ Dynamic, digitally coupled AC motor for maximum torque - without adverse thermal effect on the headstock
◇ Short chip-to-chip times due to the 12 station disc-type turret with driven tools at each position
◇ More machining possibilities with C-axis, optional Y-axis, and steadyrest
◇ Tailstock on separate guideway, quill with hydraulic rapid return
◇ Bar feeding by means of a bar loading magazine or an integrated handling system (optional)
◇ Has the option of being fitted out for automatic production (optional)

Main Specification
Specifications   TNA 300 TNA 400
Bar capacity mm 42 65
Spindle nose DIN 55026   A5 A6
Chuck dia mm 175 250
Swing diameter over bed mm 520 665
Turning diameter max. mm 275 340
Turning length max. mm 450 750
Torque max Nm 200 382
Speed max. rpm 5600 4000
AC main drive kW 11 18.5
C axis speed max. (optional) rpm 100 100
C axis resolution degree 0.001 0.001
Stations   12 12
Shank dia mm 30 40
Tool section dimension mm 20x20 25x25
Y-axis travel (optional) mm +35 / -35 +50 / -50
Drive for rotating turret tools (optional)
Turret station with drive   12 12
Power rating max. kW 4 5.5
Torque on drive gear max. Nm 34 47
Drive gear speed max. rpm 4000 4000
Quill size mm 70 85
Quill stroke mm 60 140
Quill receptor   MT4 MT5
Weight kg 3500 6200
L x W x H (with chip conveyor) mm 2700 x 1620 x 1800 4592 x 1821 x 2005