FCW 140, FCW 150, FCW 160

Horizontal milling and boring machine FCW

FCW 140, 150 and 160 – horizontal milling and boring machines, which are used in dusty working environments and when machining materials such as cast iron, special plastics or GFK.

Horizontal milling and boring machine FCW – Description of main groups of machine:

Bed

Grey cast iron structure – GG 30 (DIN)
Two guide ways
Hardened guiding ribs for X travel. Part of compact linear guiding
HEIDENHAIN linear scale for X-axis located on the bed
Hardened teeth rack for X – axis feed bolted to the bed section
Limit switches for X – axis
Telescopic protective steel-sheet covers over the whole width of the bed

Saddle

Grey cast iron structure – GG 30 (DIN)
On bottom side of saddle there are 5 roller (linear) tanks on each guide way for X travel. Part of compact linear guiding
Lubrication of tanks by means of grease
Backlash-free twin-pinion gearbox driven by SIEMENS AC drive for movement in X – axis
Hydraulically controlled clamping units in each corner of column saddle

Column

Grey cast iron structure – GG 30 (DIN)
Hardened guiding ribs for Y travel. Part of compact linear guiding
Counterweight for ram’s dropping compensation inside the column; including chain pulleys for hanging of headstock
HEIDENHAIN linear scale for Y-axis located on the column
Ball screw with rotating nut for movement in Y – axis
Limit switches for Y – axis
Telescopic protective steel-sheet covers over and below the headstock

Headstock

Grey cast iron structure – GG 25 (DIN)
On backside of headstock there are 2 roller (linear) tanks on each guide way for Y travel. Part of compact linear guiding
Lubrication of tanks by means of grease
Consists of basic parts like ram, boring & milling spindle, frames, gearing etc.
Gearbox for Y – axis movement driven by SIEMENS AC drive mounted on headstock
Three-step spindle drive with gears in continuous mesh and hydraulically shifted claw clutches
Thermal stabilization of oil fillings of the headstock and main drive gearbox
Disc brake of main drive is hydraulically released

Ram

Special cast iron GGG 60 (DIN)
Ram’s movement via ball screw and AC feed drive SIEMENS
Milling and boring spindle seated inside the ram
Compact roller guiding for ram’s out travel
Automatic clamping system of attachments onto ram’s face
Automatic ram’s dropping compensation system

Ram’s dropping compensation system

FCW machines use special SKODA automatic ram compensation system
Ram out-travel is compensated by hydraulic cylinder, which is attached on the front chain of the headstock by means is connected with counterweight.
Additional ram compensation system is working on a basis of supporting of ram from bottom by means of hydraulic cylinder.
Pressures in hydraulic cylinders for both compensation sub-systems are controlled by CNC system of the machine.
Automatic ram compensation is functional along whole out-travel of ram as well as when special milling and boring attachment loaded on the ram.

Boring spindle

Special nitrided forging alloy steel, hardness HV 850
Seated in milling spindle and ram. Seating of spindle in special ball bearings with oblique contact (maker SKF / FAG). Lubrication by means of oil mist
Spindle’s movement via ball screw and AC feed drive SIEMENS
Complete spindles’ seating dynamically balanced
Oriented stop of spindle, spindle’s rotary encoder
Mechanised tool clamping chuck collet as per DIN 69872 (hydraulically operated tool release, tool clamping by disk springs)

Operator’s platform and machine control

Semi-closed operator’s platform firmly bolted to the column saddle. In front part and from above is protected against flying chips and splashing coolant based on international safety standards.
Front part of the platform is moveable in ram’s direction (Z1) for 1 000 mm
Main operator’s panel located on rotary pillar on the operator’s platform.
Auxiliary portable panel with a cable with appr. 6 meters long for set-up and test purpose incl. position read-out

Hydraulic system and equipment

Circuit for lubrication of spindle’s seating
Circuit for thermal stabilisation of headstock and feed boxes with compressed cooler of used oil
Circuit for thermal stabilisation of ram by means of controlled heating
High-pressure circuit for auxiliary functions of machine like tool releasing, ram compensation, clamping units (X, Y), gear shifting, main disk brake, etc.
High pressure air distribution for tool hollow’s cleaning, spindle seating sealing, sealing of scales of measuring system, etc.

Standard accessories

Set of tools for maintenance (according to list in Operation manual)
Set of spare parts for 2 years trouble free run of machine (according to list in Operation manual)
5 pieces of retention studs for clamping tools with tool taper ISO 50 (DIN 69871 – AD)
Checking fixture EMA
Anchoring material ŠKODA for machine (delivered without auxiliary materials for fixing like cement, grouting material etc.)

FU

Horizontal machining center FU – universal solution for heavy and complex machining

The horizontal machining center FU is designed primarily for milling geometrically complex workpieces in the production of moulds, press tools, dies and other large-sized components requiring high precision and rigidity. The machine is suitable for single-piece, small-batch as well as technologically demanding industrial applications, especially in the toolmaking and heavy engineering sectors.

Thanks to its robust design and stable configuration, the FU machining center enables efficient machining of a wide range of materials, including alloy steels, structural materials and light metal alloys. High rigidity of the machine structure ensures stable cutting conditions even during heavy machining operations.

The FU machining center features a modular design concept, offering high flexibility in machine configuration according to specific customer requirements. The machine is built on a fixed bed, on which the longitudinal slide together with the column moves in the longitudinal direction. Along the vertical guideways of the column, a knee equipped with cross guideways allows precise travel of the headstock.

The machine can be equipped with a headstock featuring automatic clamping of interchangeable spindle heads, or alternatively with a headstock fitted with a fixed, non‑exchangeable spindle head. This variability allows the FU machining center to be adapted to different machining technologies and workpiece types.

The working area is configured according to customer needs using fixed clamping plates, rotary tables or combinations with movable slides, enabling a wide variety of machining applications. This flexible arrangement allows multi‑side machining of workpieces in a single setup.

The FU machining center is manufactured in standard or reinforced execution. The reinforced version is intended for machines with extended travels in the vertical Y axis (≥ 3500 mm) and cross Z axis (up to 2000 mm), ensuring maintained rigidity and machining accuracy even with enlarged working ranges.

The machine bed is made of grey cast iron and anchored securely to the foundation using anchoring bolts. The upper part of the bed is equipped with linear rolling guideways on which the longitudinal slide and column travel. Guideway spacing is 930 mm in the standard version and 1200 mm in the reinforced version, significantly contributing to machine stability and precision.

The horizontal machining center FU is delivered as a new machine, including transportation, installation, operator training and complete warranty and post‑warranty technical support.

FUT

Horizontal machining centre FUT – versatile milling of complex workpieces

The horizontal machining centre FUT is designed for machining geometrically complex workpieces, with particular emphasis on part shape complexity and demanding cutting conditions. The machine is suitable for both conventional milling operations and high‑speed machining (HSC) and is widely used in toolmaking, mould manufacturing and other demanding engineering applications.

The FUT machining centre is built on a robust structural concept featuring separate longitudinal and cross beds arranged in a T‑shape configuration, providing high rigidity and long‑term stability. The longitudinal slide (sledge) moves along the fixed bed in the X axis. The upper surface of this longitudinal slide is equipped with a positioning rotary table, enabling flexible workpiece clamping and multi‑side machining.

The machine column moves in the cross direction along the Z axis, while the headstock travels vertically along the column guideways in the Y axis. Depending on the machine configuration, an additional W axis extension can be provided, further expanding the working envelope and technological capabilities of the machine.

A key advantage of the horizontal machining centre FUT is its high technological versatility, particularly due to the wide selection of available milling and spindle attachments. This allows optimal adaptation of the machine to specific machining operations by selecting the most suitable spindle head. As a result, maximum utilization of cutting conditions, efficient use of the working area and high productivity are achieved. During rough machining operations, the machine can fully exploit high cutting power and torque, especially when equipped with mechanically driven spindle heads.

In its standard configuration, the FUT machining centre is designed to operate under ambient conditions corresponding to IE 33 according to ČSN EN 60721‑3‑3, with recommended ambient air temperatures ranging from +15 °C to +35 °C and air pressure above 90 kPa. To achieve optimal machining accuracy, operation under stable climatic conditions with limited temperature fluctuations is recommended.

The machine design emphasizes a modern, optimized solution of the machine bed and column, ensuring long‑term precision and reliability. Additional features include linear roller guideways in the linear axes, rapid feeds up to 30 m/min, thermal stabilization of the headstock and interchangeable spindle heads, automatic exchange of spindle heads and tools, axial tool cooling, and spindles with speeds of 4 000 rpm (optionally 6 000 rpm) delivering high torque for demanding machining tasks.

The FUT machining centre is designed for installation on a flat foundation, ensuring accurate positioning and proper load distribution.

The horizontal machining centre FUT is supplied as a new machine, including transportation, professional installation, operator training and complete warranty and post‑warranty technical support.

FRP

Gantry Machining Center FRP

FRP – portal CNC machine by TOS Kuřim

The gantry machining center FRP is designed for standard and high-speed machining of large and highly complex workpieces. The machine combines high performance, accuracy and flexibility for multi-axis machining applications.

As a result, it is suitable for demanding operations requiring both precision and high material removal rates.

Design and technical concept

The FRP gantry machining center features a fixed portal and a movable table. This configuration ensures efficient use of the working area while maintaining high structural rigidity.

The machine consists of the following main components:

bed and working table
columns
crossrail
cross slide
headstock

The design is based on an optimized structural concept focusing on:

high rigidity and stability
minimal deformation under load
long-term geometric accuracy

Bed and table

The working table is made of a ribbed cast iron structure with a machined surface equipped with T-slots for secure workpiece clamping.

Table characteristics:

supported by rolling elements
enables smooth movement along the X-axis
designed for large and heavy workpieces

The bed consists of rigidly connected castings with precision guideways. These guideways are protected by telescopic metal covers.

Columns and portal structure

The columns are robust ribbed castings firmly fixed to the machine base. At the top, they are connected by the crossrail, forming a rigid portal structure.

This design ensures:

high structural stiffness
stable machining conditions
precise tool guidance

Crossrail and cross slide

The crossrail is a cast iron component firmly connected to the columns. It carries the guideways for the cross slide movement.

The cross slide:

uses preloaded linear roller guide elements
enables precise movement in the Y-axis
provides stable support for the headstock

The guideway system is designed to combine high load capacity with precision.

Spindle head and machining performance

The machine is equipped with a versatile spindle head designed for a wide range of machining operations.

Key features:

high torque for heavy-duty roughing
spindle speeds up to 4,000 (6,000) rpm
automatic exchange of spindle heads
axial tool cooling

This configuration allows both roughing and finishing operations with high efficiency.

Guideways and drives

The FRP gantry machining center can be equipped with:

linear roller guideways
hydrostatic guideways

This allows the machine to be configured according to requirements for precision, load capacity and dynamic performance.

Rapid traverse speeds reach up to 30 m/min, reducing non-productive time.

Extended machining capabilities

In addition to milling, the FRP can also perform turning operations using an optional vertical turning table (VTL).

This significantly expands machining possibilities, including:

turbine casings
large rotational parts
combined machining operations

Industrial applications

The FRP gantry machining center is widely used in demanding industries such as:

aerospace (aircraft engines)
railway industry (locomotive diesel engines)
energy sector (steam turbine casings)
heavy engineering

Installation and operation

The machine is intended for installation in industrial facilities with sufficient floor load capacity. Proper foundation and precise leveling are essential.

Delivery includes:

transport and installation
commissioning
operator training
technical documentation

Service and support

The machine is supplied as new equipment with full service support, including:

warranty and post-warranty service
spare parts supply
technical consultancy
long-term service support

FRF

Gantry Machining Center FRF

FRF – portal CNC machine by TOS Kuřim

The gantry machining center FRF is designed for precise machining of large and geometrically complex workpieces. The machine is especially suitable for milling complicated shapes in the manufacture of moulds, press tools, dies, and large structural components requiring simultaneous 5-axis machining.

It supports continuous control in three linear axes and two rotary axes, enabling efficient machining of complex geometries in a single setup.

Design and machine concept

The gantry machining center FRF is based on a rigid portal design with a fixed table. The gantry, consisting of two columns connected by a cross rail, moves along both sides of the table.

This configuration provides:

efficient utilisation of the working area
minimal floor space requirements
high structural rigidity during machining
stable tool positioning across the entire workspace

As a result, the machine ensures consistent accuracy even when machining large and heavy workpieces.

Motion axes and machining capabilities

The machine is designed for advanced multi-axis machining. It enables continuous control of:

three linear axes (X, Y, Z)
two rotary axes for complex spatial machining

This configuration allows machining of:

moulds and dies
press tools
complex freeform surfaces
large structural components

The machine parameters allow machining of a wide range of materials, including alloy steels and light metal alloys.

Spindle head and configuration

The machine is equipped with a vertical headstock designed for flexibility in machining operations.

Depending on configuration, the machine can be supplied with:

automatic clamping system for interchangeable spindle heads
fixed spindle head for dedicated operations

This allows adaptation to different machining requirements and production strategies.

Table design and workpiece clamping

The working table forms the base of the machine and also serves as the guide for column movement.

Key features of the table:

rigid cast iron construction
modular design with extendable sections
T-slots for secure workpiece clamping
capability to clamp large and heavy workpieces

Hardened guideway strips are mounted on both sides of the table, ensuring precise longitudinal movement in the X-axis. The axis is protected by telescopic covers mounted on both the table and the column.

Accuracy and operating conditions

The gantry machining center FRF is designed to operate under defined environmental conditions according to industrial standards.

Recommended operating conditions include:

ambient temperature between +17 °C and +25 °C
temperature variation within 24 hours below 4 °C
temperature gradient below 0.5 °C per hour

Standard operating range:

temperature from +15 °C to +35 °C
air pressure above 90 kPa

Maintaining these conditions ensures optimal machining accuracy and long-term stability.

Industrial applications

The gantry machining center FRF is widely used in industries requiring high precision and large machining capacity, such as:

aerospace engineering
railway and transportation industry
energy sector (turbine components)
heavy engineering
tool and die manufacturing

Installation and operation

The machine is intended for installation in industrial facilities with sufficient floor load capacity. Proper foundation and precise leveling are required for optimal performance.

Delivery includes:

transport and installation
machine commissioning
operator training
technical documentation

Service and support

The machine is supplied as new equipment with full lifecycle support, including:

warranty and post-warranty service
spare parts supply
technical consultancy
long-term service support

FRU

Gantry Machining Center FRU

FRU – portal CNC machine by TOS Kuřim

The gantry machining center FRU is designed for machining large and geometrically complex workpieces. Its key feature is the moving gantry, which allows full utilization of the working table while maintaining high rigidity and machining accuracy.

As a result, the machine is suitable for demanding applications in both heavy and precision engineering.

Design and technical concept

The FRU is designed as a gantry machining center with a moving portal and a fixed working table. This configuration ensures uniform load distribution and stable machining conditions when working with large components.

The machine consists of:

rigid bed
working table
portal structure with columns
crossrail and cross slide
headstock

The design focuses on:

high structural rigidity
minimal deformation under load
long-term machining accuracy

Moving gantry and working area

The moving gantry travels along the working table, enabling efficient use of the entire table length.

Key advantages:

full utilization of the working area
capability to machine large and heavy workpieces
stable tool guidance across the entire range

This concept is particularly suitable for large-scale component manufacturing.

Spindle head and interchangeable heads

The FRU gantry machining center is equipped with a versatile spindle head system that supports interchangeable spindle heads.

This allows:

adaptation to specific machining operations
combination of multiple machining technologies
increased production flexibility

Automatic exchange of spindle heads and tools reduces downtime and improves productivity.

Performance and machining capability

The FRU is designed for heavy-duty machining with high material removal rates.

Key characteristics:

high torque output
stable performance under continuous load
suitability for both roughing and finishing
efficient machining of various materials

This makes the machine suitable for the most demanding machining operations.

Accuracy and control

The machine is equipped with modern CNC control systems ensuring precise and repeatable machining results.

Benefits include:

high machining accuracy
consistent surface quality
smooth axis control
optimized cutting conditions

Industrial applications

The FRU gantry machining center is used across a wide range of industries:

energy sector (steam and Kaplan turbines)
transport industry (tramway switches)
marine industry (ship engines)
aerospace industry
heavy engineering

Installation and operation

The machine is intended for installation in industrial facilities with sufficient floor load capacity. Proper foundation and precise leveling are essential.

Delivery includes:

transport and installation
commissioning
operator training
technical documentation

Service and support

The machine is supplied as new equipment with full support, including:

warranty and post-warranty service
spare parts supply
technical consultancy
long-term service support

SKDY

SKDY – the model range of two-stand carousels with a mobile portal offers the advantages of both a vertical lathe and a portal machining center. According to the customer’s wishes, we can meet almost all requirements up to the size of the workpiece, which can be demonstrated on the maximum load of the work table of up to 1,100 tons. The basis of the machine is made of cast iron, guaranteeing very high rigidity, geometric accuracy and a long service life of the machine. The carousels are constructed as a modular concept that ensures high variability in the final design of the machine. The SKDY vertical lathe enables, in addition to internal and external turning, milling, threading, grinding, drilling, reaming and other work operations. The machine can be used, among other things, for machining components in the railway, ship, aviation and armament industries.

SKD

SKD – vertical turn mill center

The machine of modular design enables a considerable variability of its composition. The machine consists of the portal which is fixed on the foundation. The portal is equipped with the cross rail which is fixed in the vertical direction. The rail‑head slide moves along the horizontal guideways on the cross rail. The ram moves in the vertical slide guideways.

The machine design with the exchangeable heads enables to adapt the machine for as many specified technologic requirements as possible. The exchange of milling heads and of turning tool holders allows to select the optimum type of the milling head for the particular operation with the possibility to use more efficient cutting conditions and at the same time, it enables to enlarge the machine working area.

There is a turning table located in the working area between the columns.

Depending on their equipment, double-column machine SKD permits:

In the turning mode:

turning the front, cylindrical, conical and general rotation inner and outer surfaces
turning the inner and outer threads on the cylindrical and conical surfaces, with a constant and variable lead
frontal and peripheral grinding of frontal and cylindrical, inner and outer surfaces (machines equipped with a grinding attachment)

In the milling mode:

milling the surfaces and co-axial slots with the head feed (axis X or Z) or with the rotation feed of the table (axis C)
milling the eccentric slots and general forms with the interpolation of axes X, Z and C
drilling and boring the openings in the axis and outside the axis of the table with the usage of a precise positioning
thread cutting in the axis and outside the axis of the table
milling, boring and cutting the threads under various angles towards the axis of the table (machines equipped with angular milling head)

Material such as cast iron, cast steel, alloy steel and fabricated steel can be machined.

SKJ

Single column turning vertical lathe SKJ

The single column vertical lathe SKJ is designed with latest technical design and manufactured with quality material and fittings, with best process for manufacturing and assembling. Material such as cast iron, cast steel, alloy steel and fabricated steel can be machined.

Depending on their equipment, single column vertical lathe SKJ permits:

In the turning mode:

turning the front, cylindrical, conical and general rotation inner and outer surfaces
turning the inner and outer threads on the cylindrical and conical surfaces, with a constant and variable lead
frontal and peripheral grinding of frontal and cylindrical, inner and outer surfaces (machines equipped with a grinding attachment)

In the milling mode:

milling the surfaces and co-axial slots with the head feed (axis X or Z) or with the rotation feed of the table (axis C)
milling the eccentric slots and general forms with the interpolation of axes X, Z and C
drilling and boring the openings in the axis and outside the axis of the table with the usage of a precise positioning
thread cutting in the axis and outside the axis of the table
milling, boring and cutting the threads under various angles towards the axis of the table (machines equipped with angular milling head)

Safety fence of the table

The safety fence of the table includes fence up to height 2,2 m which prevents open entrance of attendance into working area of the machine. Back part of the working area is covered fully (see opening picture). The safety fence is equipped with inspection holes. For entrance of operator and tool change the front part of above fence is equipped with sliding door with limit switch.

ROLLER 2800 CNC

ROLLER 2800 CNC service – cold rolling machine support

ROLLER 2800 CNC service overview

ROLLER 2800 CNC service focuses on long‑term operation, maintenance and spare parts support for this specialized cold rolling machine derived from the proven MT 70 / 3000 CNC lathe platform. Although production of the ROLLER 2800 CNC has been discontinued, many machines remain in active industrial use.

Therefore, professional aftermarket service is essential. With correct maintenance and timely repairs, operators can continue using the ROLLER 2800 CNC safely and efficiently.

Machine concept and cold rolling technology

The ROLLER 2800 CNC uses cold rolling (burnishing) technology to form the surface layer of shaft‑type components without material removal. As a result, the process significantly improves component properties.

Cold rolling provides:

surface layer hardening
reduced surface roughness
higher wear and fatigue resistance

Thanks to these advantages, cold rolling is particularly suitable for components exposed to dynamic and cyclic loads.

Applications of ROLLER 2800 CNC

The ROLLER 2800 CNC is commonly used for rolling:

cylindrical surfaces
conical surfaces
transition and radius shapes

Typical workpieces include:

vehicle axles
industrial shafts
heavy‑duty rotating components
mechanically stressed shaft parts

Because of its precision and repeatability, the machine is suitable both for series production and refurbishment or renovation of used components.

CNC control and process flexibility

The ROLLER 2800 CNC features CNC control allowing precise and repeatable management of the rolling process. In addition, operators can accurately control rolling force and tool positioning.

As a result, the machine ensures stable process quality even for demanding applications and different material types. This flexibility makes the ROLLER 2800 CNC a valuable asset in specialized manufacturing environments.

ROLLER 2800 CNC service for discontinued machines

KOVOSVIT MAS manufactured the ROLLER 2800 CNC approximately between 2010 and 2018 as a specialized machine variant based on the MT 70 / 3000 CNC platform. Consequently, a number of machines remain in operation today.

Despite discontinued production, demand for ROLLER 2800 CNC service and spare parts remains steady.

ROLLER 2800 CNC service and spare parts

Long‑term ROLLER 2800 CNC service support

Our ROLLER 2800 CNC service provides comprehensive aftermarket support, including:

mechanical and CNC repairs
rolling head service and alignment
spare parts supply and technical replacements
diagnostics and preventive maintenance
consulting focused on extending machine service life

We adapt each service solution to the actual condition of the machine. Therefore, customers receive reliable and technically sound support tailored to their specific application.