Zimmerman cnc portal milling machine

Zimmermann Bokö  CNC Portal Milling Machine FZ32 
High Performance Milling Technology

The side walls of the machíne are FZ 32 part of the safety guarding.
HSC Portal Milling Machine Oпe sided windows which can
with Overhead Gantry be positioned left- or right-hand side offer a view to the working
area. The loading takes place low A machine with the greatest through a slidíng door at the moving masses possíble rigidity and at the front síde.
High same tíme low moving masses, structural stiffness achieved by the use of the
Hígh dynamic and modern FEM simulatíon. Wíth surface qualíty thís advanced machine desígn, the Zímmermann-Bokö technology  The hígh speed portal mílling wíth overhead gantry, hígh machíne for the sophístícated axís acceleratíons can be realized
model makíng an prototypíng and perfect surfaces can be industry. obtaíned. Thís leads to an economical overall solution.

The FZ 32 ís designed for high speed 5-sided roughíng and finishíng of alumínium and composíte materíals as well as for the finíshíng of steel wíth hígh acceleration values. It is constructed according to the customer requírements for the híghest effícíency wíth best accuracy and high dynamícs. Dust-proof bellows. Vertícal slide. 2-axís milling head AC 2 Ѕ. Heavy machíne table wíth sheet metal covers on all sides. Nestíng aluminium covers for the drive system. Overhead gantry moving in X-dírection. Fixed side wall.

lntegrated safety guardíng.
Protected automatic tool changer outsíde the cuttíng area.
2 cNc Portal Milling  Machine FZ32 AC2S vertícal slide.
Milling Head Servo motor for the positioning of the mílling head oπ the A-axís.
The most remarkable features of servo motor wíth gear for the positioning
the milling head AC 2 S are its of the milling head on the C-axis high efficiency and flexíbílity. An belt drive excellent símultaneity is obtaíned by a sophisticated worm drive Worm drive for C-axis. Measuring unít C-axís. it was developed as a compact
C-axi5 bearing 1NA YRT . variant for the high capacíty removal of aluminíum
for the roughíng and fíníshing of Countershaft. composíte materíals íncludíng Belt drive.
5-axis simultaneous Worm drive for A-axis. Fork-type head. Milling spíndle drive. Encoder unít for A-axís. Millíng head can be tilted about the A-axіѕ. trímming / routíng The main characteristícs are: of composite materials. Extremely stíff pívot bearíng
by means of axial radial roller
The extremely rígíd axis bearings.
dríve through a pre- Hígh torque of both rotary
loaded precision worm axes 1 000 Nm by zero-backlash
gear ís the precondítion adjustable precísíon worm dríves.
to reach high dynamics Hígh posítioníng accuracy by
and stabilíty above a11 during direct measuring systems.
the 5-axis símultaneous operation. High speeds of the milling
As per option the rotary axes spindle.
can be províded with hydraulic Too1 holder HSK63 A.
clampíng for roughíng. Hydraulíc clampíng of the
rotary axes.

FZ 32
Technical Specífícatíon
Desígn optímum surface fínísh and work-
The portal design wíth fíxed piece accuracy. The AC 2 S 2-axіѕ milling head.
machíne bed and a gantry that Thís combínatíon of high stability
travels in the X dírection offers and stiffness, constant movíng and measuríng systems for the
signifícant advantages for tool, masses, and a híghly dynamic Y- and Z-axes are protected
mould and pattern makíng as drive make the machine suítable agaínst contamínatíon by dust-
well as for the aírcraft índustry. for machíníng of several types proof bellows. The X-axis ís
The cast-íron machine bed ís of materials, for example plastícs, fítted wíth nesting alumínium
permanently anchored to the aluminium, kirksíte and carbon covers as standard.
foundation, so that the workpíece fíbre composites.
does not have to be moved. Dríve System
1n thís way, machíníng operatíons Machíne Frame and Slides lndependent of the supplier of
aгe unaffected by the weight of The machíne bed is made of cast the control system, all axes are
the workpíece. The movíng mass iron, and the side walls , gantry equípped wíth Siemens Símo is made up of the structurally- and Z-slíde are a welded steel dríve dígítal dríves. The power. stíff gantry, the transverse and construction. The side walls are transmíssíon is carried out. Z-slides, and the míliíng head. fílled wíth a fíber reínforced by a rack and pínion drive wíth. The constant moving masses concrete composíte materíal for double motors in the X-and
ensure highly consístent dynamic excellent víbratíon dampíng and Y-axís aѕ well as by a ball screw ín
behavíour a prerequísíte for heat stabílíty. The guídes, dríve the Z-axis.
4 CNC Portai Miiiing Machine FZ32
The control-system gantry
functíon ensures that the two
X-axіѕ dríves are synchronised.

The FZ 32 always has as a standard Línear-motor dríves are avaílable three driven iinear
as an option. axeѕ x, Y, Z . Línear guídes:
On the 5-axís ma- pre-loaded círculating-roller
chíne, the míllíng
1inear bearings, 5ize 55 on the head caп Ьe
swívelled around X-axis, and Size 45 on the Y- and
two axes A, C ,
Z-axes. Up to 8 bearings per axís. both driven.
Rack and pinion:
Rack and pínion, quality level 5
with two electronically tensioned
motors per dríve unít for back-
lash-free dríve.
The FZ 32 caп Ьe combíned wíth dífferent 
makes and types of numerical controls.
Measuring systems
The three linear axes, X, Y and Z,
aгe equipped with dírect length- Controls
measuring systems wíth Heiden- The FZ 32 has been desígned so
hain glass-scales steelforeit scan be combined wíth
with over 3 m travel . There is a varíous makes and types of con-
compressed air barrier supply to trol system. Modern control
protect the measuring systems systems provide functíons such as
 tooI changer.
against dirt and dust a com- Look ahead , jerk limítation,
Ball scrcw Y-axis and roller guidc way.
pressed air supply must be provi- spline interpolatíon, and 5-axís
ded by the customer . machining. Equipment for
gaugíng and dígítising is
Milling spindle available as an option. As a rule,
The milling spindle can be control systems from Fidia,
supplied with a power of Heidenhain or Siemens are
20 kW whereas the speed of employed, but products from
rotation is 18000 mіп optíonal other manufacturers can be fitted
24000 min. both cases, the on request. spindle is supported in pre- loaded, ceramic, hybrìd spíndle bearings. The bearings have labyrínth seals wíth a compressed air supply to exclude dirt. To minimíse downtime in the event of damage, the spindle cartridge can be changed very quickly and easíly. It ís only necessary to un- do the screws in the front bearing flange and change the cartrídge.

FZ 32
lnstallation Drawings and Dimensions
FZ 32 from the ríght. FZ 32 from the front side. The fixíng of the machíne to the
foundatíon can be seen іп the drawing beneath.Tiqhtening torque: 160Nm after üne a adjustment of the machíne
28x Tighteninq torque:
ma x. 96 N m

fat-free, duxt-tree : Required amount
Ø 120 appгox. 0,2 m
P1an view of the FZ 32, posítíon of the Attachment wíth BW positioning elemen[s C .
switch cabínet determínable. Attachment with anchor bo1c and posítioníng eiement.
Attachment of the machíne to the foundatíon-síde wa11s 28x .
A11 dimensíons gíven are exampleS of the
Dímensions FZ32 іп minima1 and maxImal con-
X Workíng range X-axis fígurations respectively. 5pecíai versíons
Y Working range Y-axís whích deviate from these limíts are a1so
Z Workíng range Z-axís avaílable.
L Tota1 length of machine
β Tota1 wídth of machine
H Tota1 heíght of machíne
TL Length of table
TB Wídth of table
6 CNC Portal Mílling Machíne FZ 32
FZ 32
Technical Data
Technical data Míllìng spindle 20 kw Torque Md Power P
Md [Nm] P [kW]
Workíng zone 100 20
X-axis 80
Y-axís 63,7
Z-aXÍS 40
A-aXÍS
20 C-axis
tab1e size 0 3000 10000 18000
Length Width
Heíght Mílling spíndle 39 kW Torque Md Power P
Tab1e loadíng Md Nm] P [kW]
50 50 T-slots
Dístance T-slots 40
32
Feed drives
20 Feed linear axeѕ X, Y
Feed línear axís Z 10
Acceleratíon linear axes 0 0
Rotation speed rotary axes 0 2000 6000 12000 16000 20000 24000
n [min ]
Accu racy Axís
Positioníng accuracy X
Positioníng accuracy Y, Z
Repeatabílíty X
Repeatability Y, Z
Positioning accuracy A, C
Repeatabílíty A, C
Míllíng unít
Maximum spindle power S1
Maximum spindle speed
Maximum torque 51
Constant power from
Too1 ho[der
5wível axís-spínd[e nose
TOo1 clampíng
Too1 unclampíng
Wíth permanenc grease lubrícatíon
Specíal versíons
Cooling system >
Minimum quantity lubrícatíon
Switch cabinet air-condtionín
Safety guarding
Too1 changer 15, 30, 50, 80 positions 1É3
Measuring touch probe f
Digitísing
Too[ measuríng
Chip conveyor
Extractíon system
Sinıulcaneous C-axis
Sirnultaneous machíníng subject to technical changes.
Special voltage
Standard
Specíal paíntíng i Optíon
Partítíoned workíng area

Zimmermann 
High Performance Styrofoam
Míllíng Technology Millíng Technology

Zímmermann-Bokö stands A díversatíon and fínely classified
for CNC portal míllíng techníque. programme of numerous machine
Specíalisatíon and a hígh ínno- types enable the choíce of the
vation pace lead to the technícal perfect machíne for every targeted
head start. application area.