NEW SMTCL PBC m Series CNC Horizontal Milling and Boring Machine

NEW SMTCL PBC m Series CNC Horizontal Milling and Boring Machine

The SMTCL PBC m Series is a general-purpose CNC table-type horizontal milling and boring machine platform designed for precision machining of medium and large box-type, housing-type and machine-base components.

The Series is particularly suited to engineering machinery, general machinery, pump and valve manufacturing and other industrial applications requiring accurate hole and hole-system machining together with milling, boring, drilling and tapping.

The current PBC m family includes:

• PBC110m

• PBC110fm

• PBC130m

• PBC130fm

The PBC110 models provide a 110 mm spindle platform with 5-tonne table capacity, while the PBC130 models increase spindle size, table capacity, axis travel, spindle torque and main motor power for larger and more demanding components.

The “fm” configurations add a fixed facing-head function and U-axis capability, providing additional flexibility for larger diameter machining and facing operations.


PBC m Series Positioning

The PBC m Series is positioned as a practical mid-market CNC table-type milling and boring machine platform.

It is designed around:

• High rigidity

• Practical machining accuracy

• Strong boring capability

• Broad milling capability

• Flexible worktable sizes

• Precision hole and hole-system machining

• Medium and large workpiece capacity

• General industrial versatility

Typical target industries include:

• Engineering machinery

• General machinery

• Pump and valve manufacturing

• Gearbox and reducer manufacturing

• Mining equipment

• Energy-sector components

• Heavy industrial machinery


PBC m Series Model Range


PBC110m

The PBC110m is the standard 110 mm spindle configuration.

Key Specifications

• Spindle diameter: Ø110 mm

• Worktable size: 1000 × 1250 mm

• Maximum table load: 5000 kg

• X-axis travel: 2000 mm

• Y-axis travel: 1500 mm

• Z-axis travel: 1200 mm

• W-axis boring-spindle travel: 550 mm

• Maximum spindle speed: 2500 rpm

• Maximum spindle torque: approximately 1300 / 1600 Nm

• Main motor power: 17 / 20.4 kW

• Tool interface: No.50 class

• CNC rotary table B-axis

Best suited for:

• Gearbox housings

• Reducer housings

• Pump bodies

• Valve bodies

• Engineering machinery components

• Medium-size machine housings

• Precision hole-system machining


PBC110fm

The PBC110fm combines the 110 mm spindle platform with a fixed facing-head configuration.

Key Specifications

• Spindle diameter: Ø110 mm

• Worktable size: 1000 × 1250 mm

• Maximum table load: 5000 kg

• X-axis travel: 2000 mm

• Y-axis travel: 1500 mm

• Z-axis travel: 1200 mm

• W-axis boring-spindle travel: 550 mm

• U-axis facing-slide travel: approximately 140 mm

• Maximum spindle speed: 2000 rpm

• Maximum spindle torque: approximately 1300 / 1600 Nm

• Main motor power: 17 / 20.4 kW

• Tool interface: No.50 class

• Fixed facing-head capability

• CNC rotary table B-axis

Best suited for:

• Components requiring boring plus facing

• Larger bores

• Large flange features

• Pump and valve bodies

• Gearbox housings

• Large circular faces

• Applications requiring additional radial machining capability


PBC130m

The PBC130m moves the platform into a larger and more powerful 130 mm spindle class.

Key Specifications

• Spindle diameter: Ø130 mm

• Worktable size: 1400 × 1600 mm

• Maximum table load: 10,000 kg

• X-axis travel: 2000–4000 mm depending on configuration

• Y-axis travel: 1600 or 2000 mm

• Z-axis travel: 1600 or 2000 mm

• W-axis boring-spindle travel: 800 mm

• Maximum spindle speed: 2000 rpm

• Maximum spindle torque: approximately 2500 / 3000 Nm

• Main motor power: 25 / 30 kW

• Tool interface: JT50 / BT50

• CNC rotary table B-axis

Best suited for:

• Larger gearbox housings

• Engineering machinery components

• Large pump and valve components

• Mining machinery components

• Large machine bases

• Heavy housings

• Larger box-type components

• Precision boring of larger hole systems


PBC130fm

The PBC130fm is the highest-capacity facing-head configuration in the current PBC m family.

Key Specifications

• Spindle diameter: Ø130 mm

• Worktable size: 1400 × 1600 mm

• Maximum table load: 10,000 kg

• X-axis travel: 2000–4000 mm depending on configuration

• Y-axis travel: 1600 or 2000 mm

• Z-axis travel: 1600 or 2000 mm

• W-axis boring-spindle travel: 800 mm

• U-axis facing-slide travel: approximately 200 mm

• Maximum spindle speed: 2000 rpm

• Maximum spindle torque: approximately 2500 / 3000 Nm

• Main motor power: 25 / 30 kW

• Tool interface: JT50 / BT50

• Fixed facing-head capability

• CNC rotary table B-axis

Best suited for:

• Large pump and valve components

• Heavy gearbox housings

• Large circular faces

• Large bores

• Large flanged components

• Engineering machinery

• Components requiring boring and facing operations in one setup


T-Shaped Table-Type Machine Layout

The PBC m Series uses a T-shaped table-type horizontal milling and boring machine layout.

The machine structure combines:

• Longitudinal and transverse table movement

• Vertical headstock movement

• Boring spindle extension

• CNC rotary worktable

• Optional or model-specific facing-head capability

This configuration provides good access to multiple sides of large box-type components while allowing the workpiece to remain securely clamped on the rotary table.


High-Rigidity Machine Structure

The main structural components use high-strength cast iron produced using resin-sand casting processes.

The manufacturer highlights:

• High structural stability

• Good vibration absorption

• High load capacity

• Strong resistance to cutting deformation

• Long-term machining stability

Major components are designed using finite-element analysis to optimise rib layout, load paths and structural stiffness.


High-Rigidity Mechanical Spindle

The PBC platform uses a mechanically driven spindle group manufactured from high-quality alloy steel.

The manufacturer identifies:

• Multiple heat-treatment processes

• Nitriding treatment

• Precision grinding and polishing

• Precision gear transmission

• High-rigidity spindle support

This mechanical spindle structure is designed for:

• Boring

• Milling

• Drilling

• Tapping

• High-torque machining

• Large-diameter cutting


Precision Gear-Driven Spindle

The spindle is driven through a precision gear group.

This provides:

• Smooth transmission

• Stable spindle speed

• High torque

• Good rigidity

• Reliable heavy cutting

The PBC110 platform provides up to approximately 1600 Nm maximum torque, while the PBC130 platform increases this to approximately 3000 Nm.


110 mm vs 130 mm Spindle Platform

PBC110m / PBC110fm

• Ø110 mm spindle

• 5-tonne table load

• 1000 × 1250 mm worktable

• 17 / 20.4 kW spindle power

• Up to approximately 1600 Nm torque

• More compact machine envelope

Best suited for:

• Medium-size housings

• Reducers

• Pumps and valves

• General machinery


PBC130m / PBC130fm

• Ø130 mm spindle

• 10-tonne table load

• 1400 × 1600 mm worktable

• 25 / 30 kW spindle power

• Up to approximately 3000 Nm torque

• Greater X/Y/Z/W travel

Best suited for:

• Larger housings

• Engineering machinery

• Mining machinery

• Heavy pump and valve components

• Larger box-type parts


Linear and Hardened Guideway Combination

The PBC m platform combines different guideway technologies to balance speed and rigidity.

The current product material identifies:

• Linear guideways on X and Z axes

• Integrated hardened / steel-inserted guideway on Y axis

This arrangement is intended to provide:

• Good axis speed

• High load capacity

• Strong vertical-axis rigidity

• Stable positioning

• Good vibration resistance

• Long-term machining accuracy


Integrated Steel-Inserted Guideway

The manufacturer uses a special integrated steel-inserted guideway structure on applicable axes.

The guideway undergoes:

• Precision grinding

• Multiple heat-treatment processes

• Controlled assembly

This helps improve:

• Guideway rigidity

• Positioning accuracy

• Repeat positioning accuracy

• Wear resistance

• Accuracy retention


Pre-Tensioned Ballscrews

The PBC platform uses precision ballscrews with pre-tensioning.

Pre-tensioning helps reduce ballscrew deformation caused by thermal growth.

Benefits include:

• Improved transmission accuracy

• Better positioning stability

• Reduced thermal influence

• More consistent machining over longer production cycles


Ballscrew Auxiliary Support

Long-travel ballscrews use auxiliary support structures.

This helps reduce:

• Ballscrew sagging

• Long-axis deformation

• Transmission error

• Dynamic instability

This is particularly important on larger PBC130 configurations with X-axis travel up to 4000 mm.


Axis Drive Arrangement

The machine uses servo-driven precision feed systems.

The manufacturer identifies:

• X-axis servo drive through gearbox and ballscrew

• Z-axis servo drive through gearbox and ballscrew

• Y-axis direct servo drive to ballscrew

• B-axis classic double worm-gear and worm rotary-table structure

This arrangement provides a practical combination of:

• Feed rigidity

• Positioning accuracy

• Rotary-table stability

• Heavy workpiece capability


High-Accuracy Rotary Worktable

A high-accuracy rotary worktable is a key component of the PBC platform.

Available table concepts include:

• Worm-gear and worm transmission table

• Static heavy-load table

• Double-motor driven high-accuracy table

Depending on configuration, these provide different combinations of:

• Load capacity

• Rotary accuracy

• Positioning speed

• Rigidity

• Smooth movement


Optional High-Accuracy Double-Drive Rotary Table

The manufacturer offers an optional high-accuracy double-drive rotary workbench.

Benefits include:

• Faster indexing

• High workpiece load capacity

• High rigidity

• Smooth rotary movement

• Improved positioning accuracy

The catalogue states that positioning accuracy can be significantly improved compared with the conventional worktable arrangement.


Forced Oil Cooling System

The headstock is equipped with an oil cooler as standard.

This helps control:

• Gearbox temperature

• Headstock temperature

• Thermal growth

• Long-cycle dimensional stability

The spindle can also be configured with temperature-compensation functions to further control thermal elongation.


Precision and Accuracy Control

The TK/PBC manufacturing process applies tighter internal control than basic national-standard requirements.

The manufacturer states that key machine accuracy control values are tightened by approximately 20% relative to the referenced national standards.

Accuracy-related technologies include:

• Precision mechanical spindle

• Pre-tensioned ballscrews

• Integrated hardened guideways

• Headstock oil cooling

• Optional linear scales

• Precision rotary worktable

• Controlled assembly processes

• Error compensation


Positioning Accuracy

Representative PBC technical specifications list positioning accuracy in the following range depending on model and linear-scale configuration:

• X axis: approximately 0.018 mm, or approximately 0.015 mm with linear scale

• Y axis: approximately 0.018 mm, or approximately 0.015 mm with linear scale

• Z axis: approximately 0.016–0.018 mm, or approximately 0.013–0.015 mm with linear scale

Exact accuracy depends on model, travel and selected measuring system.


Modular Headstock Configuration

The TK/PBC platform has been designed around modular headstock options.

Manufacturer-listed headstock concepts include:

• Standard headstock

• Fixed facing head

• High-speed headstock

• Square-ram headstock

These different headstock configurations allow the machine to be selected around the required process rather than forcing every customer into the same specification.


Standard Headstock

Designed for:

• High-rigidity machining

• High-torque boring

• Milling

• Drilling

• General heavy machining


Fixed Facing Head

Available on the PBC fm configurations.

Designed for:

• Large facing operations

• Large-diameter boring

• Circular machining

• Additional radial machining

This is the principal difference between the standard “m” and “fm” versions.


High-Speed Headstock

Available where higher rotational speed and higher-accuracy machining are required.

Final availability should be confirmed for the selected machine.


Square-Ram Headstock

Designed to increase the effective heavy-cutting range.

Final compatibility depends on the selected model and application.


PBC m vs PBC fm

Choose PBC m when:

• Conventional milling, boring, drilling and tapping are the main requirements

• A standard boring spindle provides sufficient process capability

• Large facing operations are not a regular requirement

• Simpler configuration is preferred


Choose PBC fm when:

• Large circular faces must be machined

• Large-diameter bores are common

• Facing operations are important

• U-axis radial slide travel provides a useful process advantage

• Large pump, valve or flange-type components are common


Typical Machining Operations

The PBC m Series can perform:

• Milling

• Boring

• Precision boring

• Drilling

• Tapping

• Reaming

• Facing on fm configurations

• Large-hole machining

• Hole-system machining

• Multi-face machining using the rotary worktable


Typical Applications

The PBC m Series is particularly well suited to:

• Engineering machinery

• General machinery

• Pump and valve manufacturing

• Gearbox and reducer manufacturing

• Mining machinery

• Energy-sector components

• Machine-tool components

• Large industrial housings

• General heavy engineering


Typical Workpieces

Typical workpieces may include:

• Gear reducer housings

• Gearbox housings

• Pump bodies

• Valve bodies

• Machine bases

• Bearing housings

• Engineering machinery frames

• Excavator components

• Large cast housings

• Heavy fabricated housings

• Industrial equipment bases

• Flanged components


Documented Industry Applications

The manufacturer identifies the following representative PBC applications.


Engineering Machinery

Typical material:

• Q345

Typical processes:

• Milling

• Boring

Representative model:

• PBC110m


Reducer / Gearbox Components

Typical materials:

• Gray cast iron

• Ductile cast iron

Typical processes:

• Milling

• Boring

• Drilling

• Tapping


Pump and Valve Components

Typical materials:

• Cast iron

• Ductile cast iron

• Steel depending on application

Typical processes:

• Milling

• Boring

• Drilling

• Tapping


Why Consider the PBC m Series?

The PBC m Series is particularly attractive where a customer requires a versatile horizontal boring and milling machine for medium and large box-type workpieces.

Key reasons to consider the PBC m Series include:

• 110 mm and 130 mm spindle classes

• 5-tonne or 10-tonne worktable capacity

• Worktables up to 1400 × 1600 mm in the standard listed configurations

• X-axis travel up to 4000 mm

• Y-axis travel up to 2000 mm

• Z-axis travel up to 2000 mm

• W-axis travel up to 800 mm

• U-axis facing-head capability on fm models

• Spindle speeds up to 2500 rpm

• Spindle torque up to approximately 3000 Nm

• Spindle motor power up to 30 kW

• High-rigidity mechanical spindle

• Pre-tensioned ballscrews

• Linear and hardened guideway combination

• High-accuracy rotary worktable

• Modular machine configuration

• Suitable for milling, boring, drilling and tapping


PBC110m vs PBC130m

Choose PBC110m when:

• A 5-tonne table capacity is sufficient

• Ø110 mm spindle capacity meets the process requirement

• 2000 mm X-axis travel is adequate

• Medium-size gearbox, pump, valve or machinery housings dominate production

• Maximum torque around 1600 Nm is sufficient


Choose PBC130m when:

• A 10-tonne table capacity is required

• A Ø130 mm spindle provides a useful rigidity advantage

• X-axis travel up to 4000 mm is required

• Y/Z travel up to 2000 mm is beneficial

• 800 mm boring-spindle travel is required

• Up to approximately 3000 Nm spindle torque is needed

• Larger engineering components dominate production


PBC m Compared with PBC rp

PBC m

Best suited for:

• General-purpose table-type boring and milling

• Box-type components

• Gearbox housings

• Pumps and valves

• Engineering machinery

• Conventional precision hole-system machining


PBC rp

Better suited where:

• Deep holes and cavities are important

• Greater ram-type reach is required

• Larger Z/V/W working combinations are needed

• More powerful ram-type machining is required

Choose PBC m where a conventional table-type horizontal boring machine provides sufficient access and capability.

Choose PBC rp when deeper cavities and greater horizontal reach make the ram-type platform advantageous.


PBC m Compared with PBC S

The PBC S Series is a different higher-accuracy horizontal chain-type milling and boring platform.

Choose PBC m when:

• General-purpose machining capability is the main priority

• Broad box-type workpiece flexibility is required

• Engineering machinery, pumps, valves and general machinery dominate production


Choose PBC S when:

• Higher positioning stability is the priority

• Precision machining performance is more demanding

• The specific workpiece benefits from the PBC S structural platform


TK / PBC Horizontal Milling and Boring Selection Guide

The broader SMTCL horizontal milling and boring range includes several machine concepts.


PBC m – General-Purpose Table-Type Platform

Focus:

• General engineering

• Engineering machinery

• Pump and valve components

• Gearboxes and reducers

• Medium and large box-type workpieces

Strengths:

• Practical configuration

• Broad application range

• 110 / 130 mm spindle choices

• Facing-head versions available


PBC S – High-Accuracy Platform

Focus:

• Higher-accuracy machining

• Stable positioning

• Precision hole-system work


PBC rp – Ram-Type Platform

Focus:

• Deep cavities

• Greater reach

• Complex large housings

• General machinery

• Marine

• Engineering machinery

• Aerospace-related large components


TK65 Series – Heavy-Cutting Platform

Focus:

• Heavy cutting

• Large workpieces

• High-rigidity applications

• Engineering machinery

• Mining

• Power industry


How to Select the Correct Machine

The correct PBC configuration should be selected according to the actual workpiece rather than only spindle diameter.

Important selection factors include:

• Workpiece length

• Workpiece width

• Workpiece height

• Workpiece weight

• Hole diameter

• Hole depth

• Hole-system accuracy

• Milling requirements

• Drilling requirements

• Tapping requirements

• Number of machining faces

• Facing requirements

• Cutter size

• Spindle speed

• Required spindle torque

• Worktable load

• X/Y/Z travel

• W-axis boring-spindle travel

• U-axis requirement

• Rotary-table accuracy

• Tool magazine requirements

• CNC control

• Coolant requirements

• Workpiece handling


Standard Configuration

The 2024 TK/PBC catalogue lists typical standard equipment including:

• Siemens 828D CNC system

• Cooling and chip-removal system

• Centralised lubrication

• Headstock oil cooler

• Imported spindle bearings

• Spindle air-blow function

• Worktable water tray

• Y-direction protective armour

• Guideway protection

• Operator protection

• Air gun

• Water gun

• Foundation pads

• Work light

• Electrical cabinet air conditioner


Optional Equipment

Available options listed by the manufacturer include:

• Siemens ONE CNC system

• FANUC 0i / 31i CNC system

• 24 / 40 / 60-tool magazine

• Accessory milling heads

• Worktable-area protection

• X/Y/Z-axis linear scales

• Spindle internal cooling

• Pump-station oil cooler

• Adaptive control

• Tool-load abnormality detection

• Energy-saving package

• High-accuracy rotary worktable

• Facing-head configuration

Final option compatibility depends on the selected PBC110m, PBC110fm, PBC130m or PBC130fm model.


Machine Selection and Configuration

Final PBC m configuration should be selected according to the actual workpiece and machining process.

Please provide:

• Maximum workpiece dimensions

• Maximum workpiece weight

• Workpiece material

• Drawing or 3D model

• Required boring diameter

• Required boring depth

• Hole-system requirements

• Milling operations

• Drilling operations

• Tapping operations

• Facing requirements

• Required tolerances

• Surface finish requirements

• Expected production quantity

• Required spindle torque

• Required spindle speed

• X-axis travel requirement

• Y-axis travel requirement

• Z-axis travel requirement

• W-axis boring-spindle travel requirement

• U-axis facing-head requirement

• Worktable size

• Worktable load requirement

• Rotary-table accuracy requirement

• CNC control preference

• Tool magazine requirement

• Coolant requirement

• Chip-management requirement

• Workpiece loading method

• Crane capacity

• Foundation and site information

MachineryPLUS can assist with selecting the correct PBC110m, PBC110fm, PBC130m or PBC130fm configuration according to the actual component and machining process.


Configuration Before Quotation

The following should be confirmed before final quotation:

• PBC110m / PBC110fm / PBC130m / PBC130fm

• Worktable size

• Worktable load

• X/Y/Z/W travel

• U-axis requirement

• Spindle configuration

• CNC control

• Rotary worktable

• Facing head

• Tool magazine

• Linear scales

• Spindle internal cooling

• Coolant system

• Chip-removal system

• Operator protection

• Workpiece measurement

• Tool measurement

• Foundation

• Installation requirements

• Electrical requirements

Final technical specifications depend on the selected machine and configuration.


Complete Your Machine Setup

A CNC horizontal milling and boring machine is only one part of the complete manufacturing system.

MachineryPLUS can also assist with:

• CNC machine selection

• Boring tools

• Boring bars

• Large-diameter milling cutters

• Face mills

• Indexable drills

• Deep-hole drilling tools

• Threading tools

• BT50 / JT50 tool holders

• Heavy-duty workholding

• Fixtures

• Rotary worktables

• Tool measurement

• Workpiece measurement

• Coolant systems

• Chip management

• Workpiece handling

• Automation

• Integrated manufacturing solutions

This allows the machine, tooling, workholding, material handling and production process to be considered as one complete manufacturing solution.


Explore More from MachineryPLUS

MachineryPLUS supplies machine tools, manufacturing solutions, cutting tools, workholding and supporting equipment for Australian manufacturing, machining and engineering businesses.

Our broader machine tool and manufacturing solution range includes:

• CNC Turning – CNC lathes, horizontal turning centres, vertical lathes, heavy-duty lathes and turn-mill machining centres.

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• Automation & Smart Manufacturing – robotic automation, gantry automation, flexible manufacturing systems, machining cells, automated production lines and digital manufacturing solutions.

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• Tool Holders – BT, CAT, HSK, PSC/Capto, Morse taper, R8 and other machine tool holder systems.

• Workholding – machine vises, chucking solutions, soft jaws, centres, fixtures and CNC workholding accessories.

• Machine Tool Accessories – collets, drill chucks, pull studs, tapping systems, milling and lathe accessories and supporting workshop equipment.

• Tool Management & Storage – tooling storage, organisation and workshop solutions designed to improve productivity and tool control.

MachineryPLUS can support customers from individual machine selection through to tooling, workholding, automation and integrated manufacturing solutions.

Based in Perth, Western Australia, MachineryPLUS supports customers locally and Australia-wide with product selection, sourcing and practical manufacturing solutions.

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