Zimmerman cnc portal milling machine

Zimmermann BOKÖ CNC Portal Milling Machine FZ 40
The machine concept Milling head wíth two rotary axes.
Longítudínal drívíng above wíth dríve sy- Híghly sophístícated CNC mílling Roughing and finishíng on stems for the X-axis, guíde and measuring machines are required in the mo- one machíne syscems. dern tool, mould and model ma- not a contradiction? spindle storage station.

The development of the FZ 40 Lamella coveríngs of the drive systems.
The characteristic features of was based on the principle idea most workpieces to be processed of buildíng a machine which can Clampíng table. Intools, forms and models inclu- be used for both roughing and  de large dimensions, increasingly níshíng. This appears contradic complex free form surfaces and tory at fírst, with roughing tasks highest quality when it comes to needing the greatest possible surfaces and precision. It is гaгe stability and rigidity criteria for the same part to occur twíce, demanding a heavy machine, and the number of variants is whereas a heavy machine ís not constantly growing. wanted for economical use of HSC finishing. Here the emphasis How can these challenges be is on lightly moved masses and
met? the greatest possíble dynamic

FZ40 in gantry design perfectly performance. combínes the advantages of a machíne with: Indevelopíng the Large travelling distances. FZ40 machine, Good accessibílíty. we succeeded to Flexible capability. combine extreme 5-síded and 5-axis processíng rigídity and high of workpieces. dynamic behavíour. Roughing and finishing on one machíne. Advantages Greatest possible dynamic of this system: performance. Complete proces- High stability. síng of a workpíece on one machine.

FZ40 rounds off Zimmermann s Highly profitabie.
range of gantry mílling machines Takes up little space.
wíth fíxed table at the top end of Reduces toolíng tímes.
the scale, and sets new standards Greater precísion, as the tool
when it comes to stabilíty, ma- does not need to be re-alígned
chíning performance, precísíon before finíshíng.
and profitabílity.

2 CNC Portal Milling  Machine FZ40
Vertícal slide wíth cover. It contains
the main drive of the roughíng spindle
and the C-axís of the míllíng unit
Statíonary columns made of 9rey cast iron.
Portal moving in X-dírectíon, contaíns dríve syscems for the Y-axís.
safety guardíng.

FZ 40
Vertical slide and mílling head unit The precondition for roughiny The whole changíng procedure and finíshíng on one machine only takes a few mínutes. ís an especíally developed uníque spindle change system - thus The maín dríve of the roughíng
achíevíng optímum flexíbility and spindle is located in the vertical slíde and is liquíd-cooled, as ís the whole míllíng head. A bevel/spur gear is responsible for power transmissíon. The roug- hing spindle produces 25 kW at 100 ED optionally 30kW and can be driven at a speed of up to 8000гpm. The optional high-frequency spíndle produces 17kW 100 ED and achieves a maximum of 23 600 грм. The torque of the A-axis is 4200 Nm the best possíble capacity utiliza- C-axis: 3200Nm . For heavy tion of the FZ 40. roughing, the A-axís can be clamped wíth a Hirth-gear in Two dífferent milling spíndles are steps of 5 іп addítíon. avaílable and can be fítted ínto the míllíng head in a pick-up procedure. They are buílt ínto the míllíng head in a cartrídge principle. On changíng the spíndles, the roughíng spíndle is stored semi-automatically in a storage
statíon between two gantry columns and replaced by the hígh frequency motor spíndle for fíníshíng. When usíng the finíshing spindle, the main drive is uncoupled from the Z-slide. Fíníshíng spindie for HF inachíníng. HF-motor for fínísh machíníng.

4 CNC Portal Milling Machíne FZ40
Servomotor and gear for positìoníng the mílling head in the A-axis. Bevel / ѕpuг gear for power transmíssíon to the roughíng spindle. Coupling for power transmíssíon to the -
roughíng spindle. Swível housíng for an alternate use of the roughíng and of the finishing spindle. Roughíng spíndle with coupling for power transmíssíon of the maіn drive.

FZ 40
Technícal specífícation
The CNC gantry milling machíne Desígn
FZ40 ís a modular machíne con- The sandwich design wíth alter- The 5-axіѕ míllíng head version wìth the
inserted roughíng spindle. cept for combining maпy diffe- natíng cast and welded structu-
rent working areas, controls and res achieves optimum víbratíon
milling heads. damping. Gantry columns, systems aгe ín a protected locatí-
gantry slíde and the cross slíde on outsíde the contaminatíon
Dríve axes aгe cast structures; the longítudí- and chíp zone.
FZ 40 ís avaílable as 5-axís, 3 nal beam, the gantry and the
and 3-axís versíon: vertícal slídes are welded steel The clamping tab1e permanently
components with generously anchored to the foundations and
dimensioned ríbbings. the gantry movíng ín X-dírectíon
make ít possíble to process work The dríve, guíde and measuríng pieces regardless of weight. systems have been moved up- wards to reduce the mass being The whole machíne has been

Three linear axes X, Y, Z are dríven wíth the FZ 40 machine in prínciple. moved, thus íncreasíng rígídity. subject to strength tests and opti-
all guíde, drive and measuríng mísed in complícated FEM tests.
all línear axes have pre-tensioned
With tłıe 5-axis machíne 2 rotary axe V Automatíc tool changer. lіneaг гolleг bearings síze 55 in
A and C are dríven in the míllíng head VV Ro11er rotation guide and dígítal feed
п addítíon. servo dríves. the X axís and 45 in the Y and Z
axís. For each axis there are 6 Y-
axis 8 guíde carriages ínstalled
X-axis left and ríght . The feed
The 3axis machíne has 3 linear axes to- movement of the axes ís produ-
gether wíth 1 automatically posítionfng
clamped ax s A-axís . ced by ba11 screws síze 80/63.
The machíne ís rated for roug-
The most simp1e desígn of the FZ 40 series hìng of steel and cast iron.
іѕ a 3-ax ѕ version wíth a rígídly integrated Together with the spíndle change
vertícal motor spindle.
e. g. 50 k W/240 N m concept and the hígh-frequency
spindle, the machíne can also be
used for finísh machíníng.

6 CNC Portal Millíng Machíne FZ40
Foundatíon and erection Controls and dríves
5table foundations aгe requíred The basíc versíon of the machíne
for erection of the CNC portal is equípped wíth digítal feed ser-
míllíng machine FZ40. vo dríves make Síemens.
The fixation of the columns and In princíple ít ís possíble for díffe-
the clamping table ís made by rent makes and types of controls
foundation anchors whích are to be combíned with FZ40
cast into the foundation. Only inmachínes. Modern controls offer
connectíon with the foundatíon functíons such as look ahead ,
maximum stabílíty and accuracy jolt límítíng, splíne ínterpolatíon
aгe guaranteed. and 5-axís machíning. Optional
systems for measuríng and dígitísing are available. As a rule, FZ40
machines are equipped wíth controls made by Síemens, Heídenhaín or Fídia; other makes The FZ40 can bc combíned wìth dífferent
makes and types of numerical controls.
are possible oп specíal request.

FZ 40
Equípment and Optíons
Equípment and Options
Cooling system
Cooling unít for mílling head and main dríve
Switch cabinet air-conditíoning
Sλfety guafding
Too1 changer 12-, 15-, 30-, 50- oг 120-fold İ 8
Chip conveyer
Minimum quantíty cooling
Measuring touch probe
Too1 measuríng
Digítísing і z
A-axis as positioning clamped axís
Roughing spindle
Simultaneous A-axis
Simultaneous C-axis
Storage station for millíng spindles f
High-frequency spindle й
Special voltage ά
Standard
Special painting
Option

FZ 40 Tandem FZ 40 Duo FZ 40 Specíal
Two similar brídges. One bridge, 2 milling heads.
versíons Saves one machíne. Savesone machíne.
Símultaneous machíníng wíth Símultaneous machíníng wíth
The modular conceptíon of the two míllíng heads. two míllíng heads.
FZ40 allows híghly specíalízed lndependant machining of Machíning of two similar or
machine variatíons for oпe oґ two workpíeces. two symmetríc parts.
customised applicatíons. Wíth Requíres less space. Requíres less space.
such índívídualísed machínes, Reduces processíng and lead Reduces processing and lead
excellent economical and tímes by almost 50 . tímes by almost 50 .
effícíent productíon processes
can be realised.
The stiff and oversízed desígn
of the X-beams and the columns
gives the flexibility for special
configurations of the machine.
8 CNC Portal Mílling Machine FZ40
FZ 40
Erection plans and dimensions
Servíce 5atety clap guarding
I included іп delivery

TІ Coolant tank
oп both sides TB
FZ4o from the ríght-hand side wíth the machíne bed installed a[ FZ 40 from the front síde. The fixíng of the machíne [o the foun-
floor level. 5afety guardíng not marked. dacion caп Ьe ѕeeп in the drawíng beneath.

Casting compound
Foundalion anchor Spindle storage station
FZ 40 гom thc lop. Fíxing the machine [o the foundatíon.
Dimensions
A11 dimensions given are the maximum
X Working range X-axis and minImum exampleЅ of the FZ4o
Y Workíng range Y-axís machíne.
Z Workíng range Z-axís Specíal sízes on request.
L Total length of machine
B Total wídth of machíne
H Total height of machíne
TL Length of table
TB Wídth of table

FZ 40
Technical data
Technicai data Technícal data
Wπrking ranges Míllíng unit
X-axıs 5-axis versíon
Y-axis Roughing spindle 25 kW
Z-axis Output S1 100 ED
A-axіѕ
C-axis Torque S1 1009b ED
Speed
Table síze
Length Too1 holder
Dístance swível axis Width
to spíndle nose Heíght
Max. work-table loadíng Roughing spindle 30 kW
T-slots longitudínal Output S1 1009b ED
Dístance T-slots
Torque S1 100 ED Feed dríves
Speed
Feed linear axes
Tool holder Rotatíon speed rotary axes
Dístance swível axis Acceleration linear axes to spindle nose Accuracy Axis
Hígh-frequency spindle Posítioning X
Output S1 100 ED accuracy Y, Z
Repeatability X
Torque S1 100 ED Repeatabílity Y, Z
5peed
Resolution of A, C
Too1 holder measuring systems
Dístance swivel axis Positioning A, C
accuracy to spindle nose
Repeatabilíty A, C 3axis versíon
Output 51 100 ED
Torque S1 100W6 ED
Speed
Too1 holder
Dístance swível axis
to spindie nose
Too1 clampíng
Too1 unclamping
Spíndle changíng tíme


Zimmermann 
High Performance styrofoam
Míllíng Technology Mílling Technology

Zimmermann-Bokö stands A díversatíon and fínely classifíed
for CNC portal millíng technique. programme of numerous machíne
Specíalisatíon and a high inno- types enable the choíce of the
vation pace lead to the technícal perfect machine for every targeted
head start. applícatíon area.