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HOLZ-HER ECO-Master 7120 K

Used Machine

Year of Manufacture: 2004


Features and Technical Specifications:

Base Machine:

- Single-arm traveling column

- Welded machine frame with ground prismatic guides

- Rack-and-pinion drive in the X direction, ball screws in the Y and Z directions for precise positioning


Machining dimensions:

- Max. workpiece size for milling, minus cutter radius (tool diameter 25 mm):
X = 3,015 mm, Y = 1,282 mm

- Maximum travel ranges:
X = 3,268 mm, Y = 1,483 mm, Z = 325 mm

- Maximum programmable speed
X = 78 m/min.
Y = 78 m/min.
Z = 26 m/min.


Workpiece support with 4 brackets, pneumatically clamped; each bracket has 1 stop pin at the rear and 2 vacuum cups per bracket
Display and definition in the program:

- 2 side stops (right and left)

- 2 large push buttons for clamping and releasing workpieces

- 2 mounts for unused suction cups

- 2 tape measure displays for positioning the brackets in the X-axis, relative to the left and right stops.

- Rear stop or, alternatively, stops in the X and Y directions mounted at the front instead of the rear


Drilling unit 7964, 18 spindles:

- Drive power 2.2 kW

- 14 vertical spindles, individually controllable, arranged in a T-shape, 10 in the X-direction and 4 in the Y-direction

- 32 mm pitch

- Max. drill bit diameter: 35 mm

- Total drill bit length: 70 mm from the mounting end (depending on panel thickness)

- Spindle extension stroke: 70 mm

- Rotation direction: Alternating clockwise/counterclockwise, n(max.) 1,000 – 4,390 rpm, continuously adjustable

- Mounting: M 10 thread – interference fit, diameter 11 mm

- 4 horizontal spindles

- 1 dual drilling spindle in the X direction

- 1 dual drilling spindle in the Y direction

- Mounting: M 10 thread – interference fit, diameter 11 mm

- Total drilling length: max. 70 mm from the mounting end

- Space available for: Optional dual drilling spindle in the X-direction or vertical adapter with double feed force


Saw unit 7945:

- Power: 1.5 kW

- n(max.) = 1,000 – 4,850 rpm, continuously variable

- 90° pneumatically swiveling for sawing/grooving in the X and Y directions

- Tool holder: A diameter = 150 mm, I diameter = 30 mm, B = max. 8.0 mm


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Milling unit 7930:

- Power: 6.0 kW (S6)

- n(max.) 1,000 – 18,000 rpm, continuously adjustable

- Liquid cooling

- With HSK 63 F tool holder, with right-hand threaded nut (for right-hand tools)

- With collet chuck with HSK shank

- Ceramic ball bearings (hybrid bearings)

- With pneumatically height-adjustable exhaust hood

- Tool weight: max. 6 kg (including holder)

- Tools: Milling and grinding tools, max. diameter 160 mm

- 2 machining areas, each with 3 pneumatically controlled stop pins (standard at the rear, optional at the front)

- Vacuum pump 40 m³/h, water-cooled with milling spindle cooling

- Safety enclosure in accordance with CE standards

- Selective safety foot mats (3-section layout) in the work area

- Manual lubrication for all linear guides in the X, Y, and Z directions, for all milling spindle guides, for all console guides, and for all unit guides


Control system:

- PC control system with 17-inch monitor

- Windows 2000 operating system

- RJ45 network connection, 10/100 Base-T Fast Ethernet; processor clock speed: 2.4 GHz

- US keyboard and Microsoft InteliEye mouse (optical)

- Integrated 56K remote maintenance modem for data transfer

- 3½-inch floppy disk drive, CD-ROM drive (CD burner)

- TwinC...