CNC machining center with automation

Holz-Her Dynestic 7521

Used machine

Year of manufacture: 2012

Base machine - Dynestic 7521 20.6 Dynestic table
For classic nesting machining with wear plate
Machining length 6250 mm
(DYNESTIC 20.6 additional 4th stop in Y already included)
Machine frame in welded construction
with ground and hardened prism guides for the traversing carriage,
spindle head and consoles
Traversing carriage in gantry design
Rack and pinion drive, helical, in X and Y direction,
ball screw spindles Z-axis for precise positioning
Technical data:
The technical data refer to the DYNESTIC 7521 - 20.6
Please refer to the corresponding data sheets.
Machining dimensions:
Max. workpiece size for edge machining
X = 6250 mm
Y = 2100 mm
Max. travel distances
X = 7360 mm
Y = 2720 mm
Z = 325 mm
Max. clearance height DYNESTIC table
Z = 1st stage 318 mm / 2nd stage 418 mm
from top edge of table (without tool, without chuck)
Maximum programmable speed
Vector speed: 128.0 m/min
X = 80 m/min, Y = 100 m/min, Z = 25 m/min
4-stage extraction hood
with pneumatic height adjustment and viewing window
Voltage 400 V, 50/60 Hz
CONTROL:
Dual-Core processor
Operating system Windows XP
80 GB hard drive / 1 GB RAM
RJ45 network connection 10/100 Base-T Fast Ethernet
US keyboard and Microsoft IntelliEye mouse (optical)
CD-ROM / CD-RW drive (CD burner)
Remote maintenance
Integrated network card for data transfer of control and program data.
Data transfer takes place via high-speed internet connection
Requirement: High-speed internet connection at the machine.
DYNESTIC table
Solid, continuous machining table with grid division,
continuous grooves in X and Y direction,
groove spacing 50 mm
with 25 meters of sealing cord for securing the wear plate
1 machining field with stop rails / stop
Height 30 mm, pneumatically lowerable
2 stop rails in Y direction and 1 stop in X direction on the right
(when viewed from the front of the machine)
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Vacuum fields
1-circuit vacuum system
Boring unit 7976, 24 spindles
Drive power 3.0 kW
18 vertical spindles individually selectable
Arrangement in L-shape, 10 in X and 8 in Y direction
32 mm grid
Max. drill diameter: 35 mm
Total drill length: 70 mm from the mounting end (depending on plate thickness)
Spindle extension stroke: 70 mm
Rotation direction: alternating right-hand / left-hand rotation
n(max.) 1000 - 5710 min-1, steplessly adjustable
Chuck: M 10 thread - clearance fit 11 mm
without tool, without chuck
6 horizontal spindles
2 double boring spindles in X direction
(32 mm distance between 1st and 2nd horizontal boring spindle)
1 double boring spindle in Y direction
Chuck: M 10 thread, clearance fit 11 mm
Total drill length max. 70 mm from the mounting end
without tool, without chuck
Free space 1 for:
Optional double boring spindle in X direction
or
Vertical adapter with double feed force
Free space 2 for:
Optional saw in X direction
or
Vertical adapter with double feed force
Milling unit 7831, 2-stage
Power: 11.0 kW (S6)
n(max.) = 1000 - 24000 min-1, steplessly adjustable, two-stage feed stroke
max. power at 12000 min-1 to 24000 min-1
air-cooled
with HSK-F 63 tool holder
with right-hand

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