NEW WEILER E70

Technical Data

Working Range
Center distance: 1,000 mm / 2,000 mm / 3,000 mm / 4,500 mm / 6,000 mm
Swing over bed: 720 mm
Swing over cross slide: 430 mm
Travel of cross slide: 460 mm
Width of bed: 480 mm
Cross section of turning tool (height x width): 32 mm x 25 mm

Main Spindle
Spindle nose acc. to DIN ISO 702-1 (DIN 55026): Size 15
Spindle diameter in front bearing: 280 mm
Spindle bore: 216 mm
Inside taper of the main spindle: 220 metric

Main Drive
AC drive with 2 gear steps
Drive power at 60% / 100% duty cycle: 37 / 30 kW
Total speed range: 1 – 1,200 RPM
Speed range - gear step I: 1 – 350 RPM
Speed range - gear step II: 4 -1,200 RPM
Max. torque at the main spindle: 3,400 Nm

Feed Drive
Three phase digital servo drives
Feed force longitudinal: 25,000 N
Feed force transverse: 13,000 N
Feed range longitudinal and transverse: 0.001 – 50 mm/rev
Time feed: 0.001 – 10,000 mm/min
Rapid motion longitudinal / transverse max.: 10 / 5 m/min

Thread Range
Metric threads: 0.1 – 2,000 mm
Inch threads: 112-1/64 TPI
Modular threads: 0.05 – 56 mm
Diametral threads: 448 - 0.05 DP
Number of thread courses: 360 max

Tailstock
Quill diameter: 115 mm
Quill travel: 225 mm
Inside taper of quill: 6 MT

Weight
Machine without additional accessories: 6,900 kg / 7,400 kg / 7,800 kg / 8,600 kg / 9,400 kg

Dimensions
Length (without chip conveyor): Center distance plus 2,800 mm
Width: 2,760 mm
Height: 2,050 mm

Standard Colour
Machine upper area: Light grey RAL 7035
Machine subbase / Bed / Slide: Basalt grey RAL 7012
Control operating panel: White aluminum RAL 9006
Slide operating panel: Blue NCS S 4550-R80B

Subassemblies of the machine

Bed
- Torsionally rigid bed made of high quality grey cast iron
- Hardened and finest ground guideways
- Box-type feet bolted on with openings for chip conveyor

Headstock
- High accuracy and rigidity of the main spindle due to precision angular ball bearings
- Automatic gear steps switching with neutral position
- Circulating lubrication with separate oil pump, pressure switch and electronic level indicator

Carriage
- Long uninterrupted cross slide with adjustable taper gib
- Carriage with coated sliding, hardened cross slide guideway
- Longitudinal and transverse drives effected by controllable three-phase digital servo drives connected to precision ball screws with pre-loaded precision ball nuts
- Operation of feed and rapid traverse via a 4-way "joystick" type switch lever
- Manual encoders in connection with incremental feed rate selector switch
- Automatic central lubrication of guideways and ball screw nuts
- Safety switch lever for main spindle L.H./R.H. rotation

Tailstock
- Easy positioning due to spring loaded rollers and manual slide coupling
- Adjustment of the quill via hand wheel with graduated ring
- I.D. quill taper with twist stop and ejection slot

Electric Equipment
- Operating voltage 400 V / 50 cycles
- Control voltage 24 V DC
- Supply voltage 230 V / 50 cycles
- Three-phase digital servo drives with digital converter system Sinamics S120
- Absolute encoder in both axis
- Power load meter of main drive in %
- Electric system in accordance with VDE 0100/0113
- High safety standard via double monitoring of the main spindle and axes (Safety Integrated)
- Connection with earthing or isolation transformer
- e-TIM consisting of:
* Timer controlled standby function: Automatically shifts machine into standby mode as per pre-programmed interval
* Intelligent drive management: Built-in brake energy recovery system
* Machine status energy management: Automatically shifts secondary devices that have not been in use into standby mode

Control
- Siemens control Sinumerik 840D sl, PC based, with user-friendly WEILER software "SL2"
- 15" TFT color flat screen display
- Teach-in functions and programming
- Graphically supported contour programming with automatic intersection point calculation
- Automatic tool angle control (Check of contour infringement)
- Profile grooving cycle
- Parallel programming during machining
- USB interface
- Network interface
- Alphanumerical keyboard with short-stroke keys
For additional information please refer to the detailed "Cycle description SL2".

Accuracy
- According to DIN 8605 (tool makers accuracy)

Standard Equipment
- Back plate at the rear of the spindle DIN ISO 702-1/15 (DIN 55026 / Größe 15) with electric monitored chuck guard, max. swing diameter 600 mm
- Chip dash panel
- Movable hood with scratch resistant multilayer safety glass pane
- Chuck splash guard with limit switch protection
- LED Working area lighting in chip dash panel and movable hood
- Taper sleeve for main ME220 for take-up of MT6
- Male center MT6
- Elapsed time hour meter
- Additional hand-held pendant for jogging mode of main spindle
- Set of wrenches

Standard Accessories*
- Solid block
- Quick-change tool post Multi Suisse size C incl. 1 off turning tool holder CD 32170
- Chip removal via extendible chip pans
- Coolant attachment incl. coolant pump 40 liters/min. at 2.5 bar
- Main spindle brake on input shaft
* Omitted in case of alternative option selection

Documentation
- Instruction manual incl. spare parts catalogue on paper and data carrier
- Machine record card

2- 24" Chucks 4 Jaw
Steady Rest
Parat Manual Tool Post
4- Parat Holders
Chip Conveyor