Zimmerman FZ 50 portal Milling machine cnc

ZIMMERMAN  FZ 50 Portal Milling Machine for Heavy Cutting
CNC Portal Milling Machine
Design FZ 50

The portal design with a fixed
Portal Milling Machine for portal and movíng table in -directíon enables híghest chip Heavy Cutting removíng capacíty wíth a large
overhead passage connected
The newly developed portal The design of the FZ50 optímísed wíth maximum stiffness.
milling machine FZ50 is based by FEM simulations is the reason oп a flexíble machine design for the extremely hígh stíffness which can be used for all exístíng and rígídíty of the machíne applícatíons and requirements combined with łıighest dynamics for the machíning of large work- for 5-sided machining.
pieces.
In general, the new FZ50
By its high rigidity, stíffness and machíne series stands for íts mo-
chíp removing capacíty the FZ50 dular and ergonomical desígn.
ís the optímal solutíon for the Special attentíon was set onto op-
heavy machining of all materíals timal accessibility to the workíng
includíng tool steel and titanium. aгea. This machíne seríes is
marking a new dimensíon
The large experience of Zímmer- of the milling machíne tech-
mann-Bokö in heavy cuttíng in nology for Zímmermann-
connectíon wíth a wíde range of Bokö.
head systems satisfies the most optional designs and milling 
ambitious demands. 
Parking position of the Z-ram for the spindle and the tool
change system oп both sides. Teleѕcopіc steel coveríng.
work table for hígh loads.
Vertical ram wíth generously
dímensioned working ranges.
Varíous milling head varíants for
dífferent applícations.
lntegrated safety guardíng.
Extremely stiff portal with a deaг
wídth of 3900mm.
2 CNC Portal Milling Machine FZ50
The design enables to remove the Z-ram completely out of the working aгea. Therefore optíons like tool or spindle exchange could be realised relíably.
milling 
The FZ 50 is desígned for 5-axís símultaneous cuttíng. In connection with the NC rotary table up to 6 símultaneous axes are avaílable.
FZ50 with its Z-ram in parking position.
The tool change system enables an 
Housing matic tool change outside of the workíng
The íntegrated housing of the aгea.
machíne allows both dry and wet cutting. Dríve System Independent of the supplier of
Machine the control system, all axes
Construc- are equípped with Siemens  Símodrive digital drives.
Clamping ta- All linear axes X, Y and Z-axes
columns, have pre-tensíoned linear roller
brídge and bearíngs. All ball screws are
Z-ram are made equípped with pre-loaded nuts
of cast iron. and counternuts.
As an optíon the
Z-ram is made of cast Measuríng systems
iron or welded steel The three línear axes, X, Y and Z
depending on the are equipped with direct
míllíng head used. length measuring systems wíth
Heídenhaín glass scales.
There is an compressed air barrier supply to protect the measuring
systems agaínst dirt and dust.
Control
The open design of the FZ 50 allows to equip the machine with various makes and types of control system.

FZ 50
Duo
The Duo Design
Besídes its standard desígn, the FZ50 machine can be delivered with a totally independent second Z-ram. The Z-rams on both sídes can entirely be
driven out of the working range and thus enable a The combínatíon of two Exampleѕ of Duo varíatíon between roughing and milling heads enables a maxi- Combinatíons fínishing in an unmanned mum applicatíon range. Míllíng heads see page 6 and 7 operatíng mode. The FZ50 Duo separate Z-rams and heads Fork head VH 4 needs no costly milling head enable highest finishing accuracy fork head AC 3 0г fork head VH 6:
ínterchanges, through what oгі a long term. 5-axís roughing and finishing
highest productivíty and maxi- lncrease of productivíty is Vertical milling head
mum process safety is reached. obtained through paralell fork head AC 3 see figure or fork
machining of ídentical or mirror- head VH 6: 3-axís roughing and
Advantages of the Duo Desígn ínverted parts. 5-axis fíníshíng.
The Duo desígn offers consi- Process-secure alternatíve to Two fork heads AC 3 or two
derable advantages in order to head exchange systems. fork heads VH 6: ideal variant for
confígure the optimal machine simultaneous 5-axís machíning of
desígn for every purpose: two large structural parts aírcraft
industry .
FZ50 The fork head VH 4 has a The milling head VH 6 is a new
swívellíng range of t 100 in the development specífícally desígned
milling Uníts
A-axіѕ which can be clamped for the HSC technology. The dríve
hydraulícally, in addítíon. of the two rotary axes ís performed
The flexible FZ50 machine design The bush contact connection in by means of torque motors which provídes the applicatíon of the C-axis permíts ínfíníte aгe free from backlash. The high different milling units see over- rotation in both directions. dríving torque enables the rotary
view on pages 6 and 7 . Both axes are desígned as fully axes to be used as símultaneous-suitable NC-axes. or as electronícally fixed axes.
The standard desígn enables in addition a hydraulic clamping
roughing of all materíals and is High torque together with a 1ow of both axes is possible. Both axes
equipped with the well-proved speed allow the power machíníng drives are desígned following the
2-axis fork head VH 4. and additíonal complete appii- and are
cation such as drílling, threading equípped wíth a power and a
and countersirıking. supplementary precísíon cooling
unit.
4 CNC Portal Milling Machine FZ50
FZ 50
Technical Data
Machíne
Working ranges
X-axis
Y-axis
Z-axis
Portal clear width
Work table
Length X-axis
Width Y-axis
Work table loadíng standard
Dríve of línear axes
Feed
Acceleration
Accuracy Axis x
Positioning accuracy X, Y, Z FZ 50 from the Ieft.
Repeatability X, Y, Z
Positioning accuracy A, C
Repeatability A, C
Rotary table optíon нІ
Work table loading
Holdirig torque clamped -
Torque in simultaneous operation
Feed
Options
Tool changer
T8
Palette changer
Double ram design
FZ50 from the front.
Chip conveyer
Dimensíons
X Working range X-Axis
Y Working range Y-Axis
Z Working range Z-Axis
L Total length of machine
B Total width of machíne
H Total height of machine
TL Length of table
TB Width of table
All dimensíons gíven aгe the maxіmum
and minimum examples of the FZ50
machine. Other dímensíons on demand.
Plan víew of the FZ 50.
subject to technícal changes.

FZ 50
Milling Heads
2-axís fork head VH 4 Technical data
Wíth step wheel gears, Spíndle powermax. S6/609bED
automatíc gear changíng. Spindle speed max.
Axes dríves: Torque max. S6 / 609b ED
A-axís and C-axis NC Constant power range
Torque Md Power P Rotation A- and C-axís Milling spindle 35 kW
Md [Nm] P [kW] Torque in simultaneous operatíon
2000 , 40 Holdíng torque c[amped 35 kW 35

Tool unclamping 800 800 Nm 4- 15
500 Distance swível axís to spíndle nose і-10

2-axis fork head VH 6 Technical data
Wíth roughing spindle. Spindle power max.
Axes drives: Spíndle speed max.
A-axis and C-axis Torque max.
Torque motor Constant power range
Torque Md Power P Torque A- and C-axís in milling spíndle 41 kw
Md [Nm] P [kW] símu[taneous operation
200 70 Torque A- and C-axis clamped 200 Nm 60 Swivel range A-axis 150 50
41 kW 41 Swível range C-axís
100
30 Tool holder
50 20 Tool clamping
10 Tool unclamping
г 0 Dístance swível axís to spíndle nose
2-axπѕ fork head VH 6 Technícal data
Wíth uníversal spínd[e. Spíndle power max.
Axes dríves: Spíndle speed max.
A-axis and C-axis Torque max.
Torque motor Constant power range
Torque A- and C-axís in Milling spindle 50 kW Torque Md Power P
Md [Nm] P [kW] simultaneous operation
70 95 Torque A- and C-axís c[amped
60 80 5wivel range A-axis

6 CNC Portal Milling Machine FZ50
2-axіѕ fork head AC 3 Technícal data
With motor spindle. Spindle power max. S1 / 100 ED
Axes drives: Spindle speed max.
A-axis and C-axís NC Torque max. 51 / 100oı6 ED
Constant power range
Rotation A- and C-axís Milling spind1e 40 kW Torque Md Power P
Md [Nm] P [kW] Torque A- aпd C-axís in
95,5 simultaneous operatíon
80 35 Holdíng torque in control
30 60 Tool holder
20 Tool clamping  40
Tool unclamping
20 10
Distance swível axís to spíndle nose
Digital spindle wíth orientation

Vertical milling head Technícal data
Wíth step wheel gears, Spindle power max. S6/60ц6ED
automatic gear changíng. Spindle speed max.
Torque max. S6/609bED
Constant power range
Milling spindle 35 kW Torque Md Power Tool holder
Md [Nm] P [kW] Tool clamping
2000 35 kW 40 Tool unclamping з5

Vertical milling head Technical data
With motor spindle. Spindle power max. S1 / 1009b ED
Spindle speed max.
Torque max. S1 / 100 ED
Constant power range
Tool holder
Milling spindIe 50 kW Torque Md Power P Too1 clamping
Md [Nm] P [kW] Tool unclamping

Other milling head and spindles aгe subject to technícal changes.
available on demand.

Zimmerman
High Performance styrofoam
Milling Technology

Milling Technology
 stands A diversífied and finely classified
for CNC portal milling techníque. programme of numerous machíne
Specíalísation and a high inno- types enable the choíce of the
vation pace lead to the technícal perfect machíne for every targeted
head start. application area.