T70 – 200/250 CNC EN

T80–200_250_CNC

Short Description

The lathe series logo_new_solution owing to application of innovative mechanical solutions combined with the advanced control and programming systems guarantees efficient roughing and finish-machining. Design of the lathe is supported on rigid bed provided with hardened guideways fully supported on foundation and a bottom chips spout. The design of the referred massive lathes features solutions ensuring favourable vibration damping and outstanding rigidity. The effect covers high accuracy, repeatability and excellent finish of surfaces treated providing reliability. The wide range of accessories enables further increase of machining efficiency.

Main technical data:

Four-guideway bed

Maximal spindle torque                                                                                      160000 Nm

Maximal work piece weight in centres                                                                70 000 kg

Turning length                                                                                                      4-25 m

Max. chips cross section for steel  Rm=55 kG/mm2                                             100 mm2

Catalog:

For more information on the machine please download technical specification in PDF file. Attention: the manufacturer reserves the right to change technical specifications.

 

T70-200_250_CNC.PDF

1 General features of the machine

1.1           Four-guide way bed cast of cast iron of advanced mechanical properties, standardized, suitably ribbed, supported on adjusted wedges along the entire length;

1.2           longitudinal carriage travelling along two guideways ensuring perfect precise guidance and additionally along the third rest guideway;

1.3           guideways of a bed and a carriage induction hardened to hardness of minimum 45 HRC and ground;

1.4           travel of longitudinal and transversal carriage along guideways lined with anti-friction materials and aided with central lubrication;

1.5           body of a headstock cast of cast iron of advanced mechanical properties;

1.6           spindle supported on bearings of advanced accuracy class;

2 Standard execution

2.1           swing over bed – Ø 2000 (T70-200 CNC);

2.2           4-jaw independent cast steel lathe chuck –  Ø 1700 / 1-160 rpm;

2.3           turning length 4-25 m, every 1m;

2.4           Z axis travel provided from racks backlash less transmission;

2.5           X axes travels provide from ball screw;

2.6           carriage reinforced on 2 flat and 1 bearing guideways;

2.7           main motor power – 150 kW (continuous operation);

2.8           SIEMENS SINUMERIK 840D sl Operate numerical control system with basic turning function Basic equipment: OP10C – 10,4” TFT color display, TCU,  MCP 483C PN, electronic hand wheel;

2.9           Voltage supply: 3x400V/50 Hz;

2.10        double shelf toolpost reinforced on four guideways;

2.11        automatic change of a range of headstock rotational speeds;

2.12        central lubrication controlled by CNC;

2.13        chip conveyor;

2.14        cooling system for tools – 4 bars 100 l/min;

2.15        installations for connecting lighting on the carriage;

2.16        tailstock including Ø 450 mm quill provided with rotary spindle, indicator of clamp force and compensation of workpiece elongation, with automatic slide out of the quill, travel along the bed and clamping to the bed;

2.17        operator’s cabin;

2.18        control panel;

2.19        dead centre – 2 pieces;

2.20        adjusting wedges to level and bolts to anchor on to foundation;

2.21        CE certificate of conformity;

2.22        User manual

3 Optional execution

3.1           swing over bed – Ø 2500 (T70-250 CNC);

3.2           4-jaw independent cast steel lathe chuck –  Ø 2000 / 1-160 rpm;

3.3           additional carriage;

3.4           Proposed options for – 2.8 and 3.5:

3.4.1       ShopTurn (machining step programming) (P17)

3.4.2       additional languages (N00) (English, French, German, Italian, Spanish, Chinese – standard)

3.4.3       simultaneous recording (real-time simulation of the curr. machining) (P22)

3.4.4       additional HMI user memory on CF card of the NCU (P12)

3.4.5       residual material identification and machining (P13)

3.4.6       mini HHU (handheld unit) with hand wheel

3.4.7       other options on request

3.5           SIEMENS SINUMERIK 840D sl Operate numerical control system with basic       turning function and 182kW main drive (continuous operation);

3.6           automatic 8-post tool head including driven tools ( CNC drive ) and controlled C axis provided from main motor – horizontal axis;

3.7           automatic 8-post tool turret for  driven tools ( CNC drive), Y axis (CNC drive) and controlled C axis provided from main motor – horizontal axis;

3.8           automatic 4-post tool head;

3.9           linear readout (measurement system) in Z and X axes;

3.10        measurement system purposed for a tool and a workpiece;

3.11        air-conditioned control cabinet;

3.12        other execution up to arrangements with a customer.

4 Special equipment

4.1           Stationary steady of roller type Ø 250-650;

4.2           Stationary steady of roller type Ø 600-1000;

4.3           Stationary steady open roller type Ø 1000-1350 /40t (T70-200 CNC);

4.4           Stationary steady open roller type Ø 1000-1800 /40t (T70-250 CNC);

4.5           Hydrostatic steady Ø 250-600-1000/50t;

4.6           5.5 kW wheel head of a grinder purposed for automatic 4-post tool head;

4.7           20 kW face milling head and controlled C axis provided from main motor

4.8           10 kW face milling head purposed for automatic 4-post tool head and controlled C axis provided from main motor;

4.9           10 kW face milling head with Y axis purposed for automatic 4-post tool head and controlled C axis provided from main motor;

4.10        Ø 200 boring clamping ring.

5 Technical data

T70-200 CNC T70-250 CNC
Swing over bed Ø mm 2000 2500*
Swing over carriage Ø mm 1700 2000*
Centre distance (every 1m) mm 4000-25000
Max. load capacity carried between centres kg 70000
Max. load capacity carried with one steady kg 80000
Max. load capacity carried with two steadies kg 90000
Max. load capacity carried in the chuck kg 12000
5.1 Headstock
Spindle dia. at front bearing Ø mm 500
Range of revolutions (infinitely variable adjustment) rpm 1-160
Number of speed ranges number 3
Main motor power kW 150/182*
Maximal spindle torque Nm 160000
5.2 Carriage
Rapid travel in Z axis mm/min 4000
Rapid travel in X axis mm/min 2000
Longitudinal travel mm turning length
Transversal travel mm 660+450 of board slide out
Diameter of X ball screw Ø mm 80×10
Drive of Z axis racks backlash less transmission
Tooling system shelf toolholder/other*
5.3 Tailstock
Quill diameter Ø mm 450
Quill slide out mm 200
Rapid slide out of quill mm/min 300
Feed slide out of quill mm/min 4
5.4 Overall dimensions and other data of the lathe
Length mm 7000+turning length
Width mm 4350
Height mm 2500 2900*
Mass of the lathe for 3000 mm turning kg 70000 75000
Additional mass per 1000 mm kg ~3500
Control system SIEMENS SINUMERIK 840D sl

6 Stationary steady of roller type

General features:

·      installed on bed;

·      manually fixed to bed;

·      manually set quill

Types according point 4.1. – 4.5. offered as a special equipment:

·       Stationary steady of roller type Ø 250-650

·       Stationary steady of roller type Ø 600-1000

·       Stationary steady open roller type Ø 1000-1350 /40t (T70-200 CNC)

·       Stationary steady open roller type Ø 1000-1800 /40t (T70-250 CNC)

·       Hydrostatic steady Ø 250-600-1000/50t

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