Zimmerman cnc portal milling machine

Zimmermann BOKÖ CNC Portal milling Machine FZ42

Level two of quality FZ 42
Quantity and dynamics lnnovation with three levels Everyone ís talking about HSC
of quality technology. Thís píoneeríng technology experienced a contínuous
The FZ42 represents the peak of material símílar to concrete. development process wíth the
a new machíne generatíon The machine thereby gains more FZ42: feed rates of up to 30m/mіп
for high-end HSC portal milling mass and can better absorb vibra- aгe possíble on the lineair guides.
machines. Its development tions whích occur, for example, The rotatíon axes have the right
was based on a benchmark put with dynamíc alternating loads. spín: torque motors with feed
together from many díscussions The geometry of the machine rates of up to 1200/5 ensure enor-
with customer and decades of becomes more rigíd as a result. mous dynamic forces.
experience: At the same tíme, high thermal
The best surface quality stabílíty is achíeved by the special Rack-and-piníon drive
Higher dynamics concrete material. However, even system
Economícal efficiency and an these measures are not enough Rigídity of 680 Nm/arcmín is
ínnovatíve concept. for the level of rigídity we wísh to achíeved at any point whatever
achieve: the length of the rack.
We proved to be good listeners Míllíng on a large base
and contínued to develop our The rígídíty of the FZ42
product line consistently until is further íncreased
these requirements were comple- by the machíne walls
tely fulfilled. The result: the new expanding below
FZ 42. ínto a trapezoidal
shape and by enlargíng
Leve1 one of quality: the wall surfaces.
The best surface qualíty The extreme stabiiity
The fewer víbratíons that occur on achíeved in thís
a míllíng machine the more accu- way cannot be shaken
rate the miliing result will be. For by any fast feed rate
thís very reason, the entire machíne or caused to vibrate by
concept ís focused on aп extremely any load change.
high level of structural rígidity:
Reinforced portal New door design wíth enlarged
wíndows.
The FZ42 is equipped with a clearly reinforced, structurally rígid New VH 6 milling head wíth  system.
portal. The portal runs over
double línear guídíng on each síde full automatíc spind1e change system.
and is dríven on both sides. clampíng table fixed to the foundation.
The advantage: a consíderable
Reínforced, extremely rigid portal whích
reductíon in the pendulum effect. runs in X-directíon.
Grouted side walls
lntegrated protectíve housíng. In additíon to this, the side walls
of the FZ42 aгe grouted wíth Grouted side walls wíth enlarged
a fibre reínforced compound wall surfaces.

2 CNC Portal Milling Machine FZ42
The electronic pre-loading Other plus points of machines 
supports this high rigidity. with rack-and-pinion drives
they work very quietly, are un
High feed rates are possible problematic in the event of 
thanks to the exactly defíned an emergency stop or if there is a 
dynamic rigídity; the axis accele- power failure; and they are
ration reaches up to 5 m/s2 in easy to service by simple and cost
rapid motion. Thís means that ex- effectíve replacement of the
cellent surfaces can be milled síngle elements.
within the shortest period of time.
1n short: the concept of the electronically pre-loaded rack-and pinion drive system ensures a high level of machine dynamics,  safety, economic efficiency and long service lífe for the FZ 42. 

Level three of qualíty: performance accordíng to the
Ecoпomіc effíciency, current status of technology; thís
ínnovation and future oriented machine ís also already optímally
investment prepared today for developments
ín the tool índustry tomorrow
As a result of the technologically as ultimately, a machíne ís only
condítíoned, hígh accuracy of the as good as íts tools.
machine, manual rework of
finíshed surfaces can be reduced Complete processíng means there
as far as possible or even totally are further possíbilítíes for cost
avoided. This means there is a reductíon; even large work pieces
consíderable cost and tíme saving. can be processed from fíve sídes
completely wíthout resetting.

The FZ42 is able to be sold at an That saves both tíme and money.
exceptíonally low price.
Various control systems, millíng
spindles, dríve types and desígns
Zímmermann
aгe avaílable as optíons.
lnvesting ín the píoneering FZ42
will pay off especially ín the long
term. The high performance
capacíty of thís machine does not
just meaп a technologically high
4 CNC Portal Míllíng Machíne FZ42
The new millíng head VH 6 with mílling unít

The new portal mílling machine
FZ42 is, as a standard, equipped
with the 2-axis milling head VH 6, a newly developed design of Zimmermann-Bokő, especíally made for the HSC technology. The drive of both rotation axes is The íntegrated full automatíc spíndle
carried out by backlash free torque Míllíng unít MuST change system marks the híghest confíguratíon level of the MuSГ system. motors. With the hígh driving The milling head VH 6 ís equipped lnterface of a MuST mílling spíndle for power the rotatíon axes can be with the ínnovatíve Multíple a perfect íntegration into the vH 6 míllíng used for simultaneous operations Spíndle Technology MuST by head.  or they can be electronically fixed Zímmermann-Bokö.in positíon. Inaddition, the two
axes can be clamped by hydrau- Due to its modulaг design, the
lics. Both axes drives are designed Must system enables dífferent
followíng the Thermosandwích- configurations:
pгіпzіp and are equipped with a level 1: One spindle is fixed
power and a supplementary in the millíng head standard .
precisíon cooling unít. This drive Leve1 2: Semi-automatíc
technology enabies a combination spindIe change system optíon . MuST milling spíndles
of precísíon, hígh drívíng power Level 3: full automatic spíndle There are three spindles with and increased dynamics. change system option enables different specífícations for all  unmanned shifting. applícations avaílable :
Uníversal spíndle
For all kínds of machíning of
Equípment aiumínium, composítes and líght
Bearing temperature sensor machíníng of cast iron and steel.
Oí1-ímpulse lubrication Fíníshing spindle option
Permanent grease lubrication Hígh frequency spindie desígned
Water cooling colling aggregate for finíshíng, for millíng of fíne
Compressed air barrier contours and for fíne finíshíng
Blow-out devíce for autonıatic wíth híghest surface qualíty.
tool change Roughíng spindie option
5pind1e housing temperature sensor Especíally designed for HSC
Víbration sensor machíning of cast íron, steel and
lnternal coolant lead-through titaníum.
Standard Optíon

steel construction. The síde walls  FZ 42
aгe also filled with a fibre rein-
Technícal forced DemTec special concrete.
The guíding devíces, drìves and Descríptíon
measuring systems are covered
wíth mícro-dust bellows to protect
Low against contamination.
moved masses
High Axis dríves

structural rigidíty lrrespectíve of the control type, all
High dynamícs axes aгe equipped with dígítal,
and surface qualíty maíntenance-free 5íemens three- Accuracy
phase dríves, Símodríve . The hígh 1eve1 of machíne dy-
Desígn X- and Y-axes: Power ís trans- namícs and the extreme inherent
A modular constructed machíne ferred as standard by means of an rígidíty províde hígh accuracy
concept allows various work electronically pre-loaded rack- especially when finishing at hígh
areas, mílling heads and spindles and-pinion drive system X-axis speeds and feed rates.
as well as control types to be four motors, Y-axis two motors .
combined. The control system guarantees the Control systems
synchronism of the X-axis dríves. Essentíally, various control pro-
The design, which has fíxed síde Z-axís: A ball screw 050mm ducts and types can be combined
wa11s, fixed clampíng table wíth hydraulíc weíght counter- wíth the FZ42. Modern control
and an overhead portal dríven on balance is used on the vertícal systems offer functíons such as
both sídes and runníng in axis which compensates for Look Ahead , jerk restriction,
X-directíon, offers substantial approx. 75 of the moved masses. splíne ínterpolation, as well  as a
advantages for model, mould and Línear guídes: Pre-loaded 5-axis machíníng capacíty.
tool makíng industry. The cast roller rotatíon guídes on the X-, Y- Systems for measuring and
iron machíne table ís fíxed to the and Z-axes. Up to 8 guíde carríages dígítalísatíon are avaílable as
foundatíon whích means the peг axіѕ. options. Usually, control systems
work piece need not be moved from fídía, Heídenhaín or
agaín. Processíng is therefore Measuring systems Síemens are used wíth the FZ42,
performed írrespective of the The three linear axes X, Y and Z but other brands are possíble oп
weíght of the work piece. have direct longitudínal measuríng request.
The constant moved masses systems with Heídenhaín glass
portal, cross- and Z-slíde, millíng scales steel rulers used wíth axís
head cause constant dynamíc lengths over 3 m . The measuríng
behavíour which is a prerequísíte systems are protected by a
for optimal surface qualíty and compressed air barríer to protect
for the accuracy of work pieces. against contamínatíon.
Machine frame and guídíng The rotatíon axes A and C are
devíces equípped with high-resolutíon
The machine bed ís made from shaft encoders.
grey cast iron. The side walls, portal and Z-slíde are a welded
Technical Data 95,5 95,5 Nm 60 80
X-axіѕ Π 2000 5000 8000 12000 16000 20000 24000
Y-axís п [min ]
Z-axís
A-aXİS Míllíng spíndle 20 kW Torque Md Power P
C-axі5 Md [Nm] P [kW]
Torque A- and C-axes 27

Torque clamped A- and C-axes 20 20
Work tab[e size 15 15
Length ıo 10
Width 5 5
Heíght 0 0
Max. work-tabie load 0 3000 7100 12000 18000 24000 30000 35000
n [min] T-slots longitudinal
Dístance T-slots
Mílling spindie 41,9 kW Torque Md Power P
Feed dríves Md [Nm] P [kW]
Feed X- and Y-axes 2 1 0 0 i,

Posítíoníng accuracy Y, Z 0 1000 2000 3000 4000 5000 6000 7000 7500
Repeatabílíty X n [mín ]
Repeatabílíty Y, Z
Resolution of ineasuríng syst. A, C
Positíoning accuracy A, C
Repeatability A, C
Mílling unit
Max. spíndle power
Max. spínd[e speed
Max. torque
Constant power range
universal or Fíníshíng Spíndle
Tool holder
Distance swível axís to spindle nose
Tool clampíng
Tool unclampíng
Options
Coolant system
Minímum quantity lubrícation iw
lnternal coolant suppiy
Aír-conditioned control cabinet Roughíng Spindle
Safety guarding
Tool changer 15, 30 positions or mo[e
Measuring touch probe
Tool measuríng к
Símultaneous A-axis
Símultaneous C-axís
Specíal voltage
Standard Specíal paíntíng čáěi Optíon 7

Zimmermann
High Performance Styrofoam
Milling Technology MiUíng Technology
Zimmermanп-Bokö stands A díversatíon and finely classífíed
for CNC portal míllíng techníque. programme of numerous machíne
Specíalísatíon and a hígh inno- types enab1e the choíce of the
vation pace lead to the technical perfect machine for every targeted
head start. applícatíon area.