NEW SMTCL VMC850H Vertical Machining Centre

SMTCL VMC850H High-Efficiency Vertical Machining Centre

The SMTCL VMC850H is a high-efficiency vertical machining centre designed for precision production where machining speed, rigidity, stability and repeatable accuracy are important.

As part of SMTCL’s VMC-H Series, the VMC850H is positioned as a medium-to-high-end high-efficiency machining platform rather than a basic general-purpose vertical machining centre.

The VMC-H Series is designed for precision parts machining and combines high rigidity, high efficiency and strong precision retention. It is particularly suited to automotive and new energy vehicle components, mould and die work, engineering machinery and other production applications requiring consistent machining performance.

With 850 / 520 / 540 mm X/Y/Z travels, a 1000 × 500 mm worktable, BT40 spindle, 8000 rpm standard spindle speed and 48 m/min rapid traverse on all three axes, the VMC850H provides a compact but capable production platform for milling, drilling, boring and tapping.


Key Specifications

• X-axis travel: 850 mm

• Y-axis travel: 520 mm

• Z-axis travel: 540 mm

• Worktable size: 1000 × 500 mm

• Maximum table load: 600 kg

• Spindle taper: BT40

• Maximum spindle speed: 8000 rpm

• Spindle motor power: 11 / 15 kW

• Spindle torque: 78 / 143 Nm

• Standard spindle drive: Belt drive

• X-axis rapid traverse: 48 m/min

• Y-axis rapid traverse: 48 m/min

• Z-axis rapid traverse: 48 m/min

• X / Y / Z servo motor power: 1.8 / 3 / 3 kW

• X / Y / Z servo motor rated torque: 11 / 20 / 20 Nm

• Cutting feed speed: up to 20 m/min

• Automatic tool changer: 24 tools

• CNC system: FANUC

• X / Y / Z positioning accuracy: 0.008 / 0.006 / 0.006 mm

• X / Y / Z repeat positioning accuracy: 0.005 / 0.004 / 0.004 mm

• Approximate machine weight: 5500 kg


High-Efficiency VMC-H Platform

The VMC-H Series is SMTCL’s high-efficiency vertical machining centre platform for precision parts machining.

The series is developed around several key priorities:

• High machining efficiency

• High rigidity

• High stability

• Strong precision retention

• High-performance spindle capability

• High dynamic response

• Suitability for production and automation

Professional structural analysis and optimisation are used to improve both dynamic and static machine performance.

The VMC-H platform allows spindle configurations to be selected according to machining requirements, ranging from conventional high-torque configurations to higher-speed spindle options.


High-Rigidity Machine Structure

The VMC-H Series uses high-strength cast iron structural components designed to provide rigidity, vibration resistance and dimensional stability.

The machine structure incorporates:

• High-rigidity bed construction

• Reinforced column structure

• Increased structural section in key load-bearing areas

• Wider spindle-head guideway spacing

• Optimised rib arrangement

• Low and stable machine centre of gravity

• Improved resistance to cutting deformation

Compared with lighter general-purpose platforms, the VMC-H Series places greater emphasis on structural mass and stiffness to support stronger cutting performance and stable production machining.


High-Rigidity Column Design

The VMC-H platform uses a reinforced column design.

Compared with the Q platform, key structural areas of the H Series are strengthened to improve resistance to bending and torsional deformation.

The reinforced column contributes to:

• Improved cutting rigidity

• Reduced vibration

• Better surface quality

• Improved geometric stability

• More consistent machining under changing cutting loads


P-Grade Roller Linear Guideways

The VMC850H uses high-rigidity roller linear guideways on all three linear axes.

The VMC850H, VMC1000H and VMC1100H belong to the three-axis roller-guideway portion of the H Series.

Roller guideways provide:

• Higher load capacity than conventional ball-type linear guides

• High rigidity

• Good damping characteristics

• High-speed movement capability

• Strong positioning response

• Good long-term precision retention

This allows the VMC850H to combine 48 m/min rapid traverse with the rigidity required for productive steel and cast-iron machining.


C3-Grade Pre-Tensioned Ballscrews

The VMC-H Series uses high-precision C3-grade ballscrews with a pre-tensioned design.

On VMC850H through VMC1100H, the linear axes use Ø40 mm-class ballscrews according to the H Series product material.

Pre-tensioning helps reduce the influence of ballscrew thermal growth on axis positioning accuracy.

Benefits include:

• Improved positioning consistency

• Reduced thermal deformation

• Better repeatability

• Improved long-term precision retention

• Stable feed performance during extended production cycles


Direct-Coupled Feed Drive

The three-axis servo motors are coupled to the high-precision ballscrews through flexible couplings.

Reducing intermediate transmission components helps provide:

• Low transmission backlash

• High response

• Stable feed motion

• High positioning performance

• Reduced non-cutting time

The VMC850H can achieve rapid traverse speeds of up to 48 m/min on X, Y and Z.


High Acceleration Performance

For VMC850H to VMC1100H BT40 machines, the H Series feed system is designed for high dynamic response.

Depending on axis load, Z-axis acceleration can reach up to approximately 0.6G.

This is particularly useful for:

• Repeated drilling cycles

• Tapping

• Multi-hole machining

• Face milling

• Short-cycle production

• Components requiring frequent Z-axis movement

High acceleration and rapid traverse help reduce auxiliary machining time and improve overall production efficiency.


High-Performance BT40 Spindle

The standard VMC850H configuration uses a BT40 spindle with:

• 8000 rpm maximum spindle speed

• 11 / 15 kW spindle motor

• Up to 143 Nm spindle torque

The standard spindle configuration is designed to provide a useful balance between speed and cutting torque.

This makes it suitable for:

• Cast iron

• Carbon steel

• Alloy steel

• Aluminium

• General engineering materials

The H Series spindle is intended to provide stronger cutting capability than a spindle designed primarily around maximum rpm.


High-Precision Integral Spindle

The VMC-H Series uses a high-precision spindle system designed for stable production machining.

The spindle incorporates precision bearings and controlled assembly procedures.

Spindle manufacturing and assembly processes include:

• Precision bearing assembly

• Controlled spindle assembly

• Dynamic balancing

• Running-in testing

• Thermal-performance verification

These processes support:

• Stable rotational accuracy

• Good surface finish

• Strong cutting performance

• Long-term machining stability


Optional High-Speed Spindle Configurations

Depending on the application, H Series spindle configurations can include:

• BT40 8000 rpm belt-drive spindle

• BT40 12000 rpm direct-drive spindle

• BBT40 16000 rpm motor spindle

The correct spindle should be selected according to:

• Workpiece material

• Cutter diameter

• Required surface finish

• Drilling and tapping requirements

• Cutting depth

• Production volume

• Required cycle time

The standard VMC850H specification should not be confused with optional higher-speed spindle configurations.


24-Tool Automatic Tool Changer

The VMC850H is equipped with a 24-tool automatic tool changer.

The tool magazine incorporates tool pre-selection to reduce unnecessary waiting during the machining cycle.

A larger 24-tool capacity allows the machine to support components requiring multiple milling, drilling, boring and tapping tools without frequent manual tool intervention.

This is particularly useful in:

• Batch production

• Automated production

• Complex housing machining

• Multi-operation components


High Safety and Production Reliability

The VMC-H platform incorporates features designed for production reliability.

These include:

• Electromagnetic front-door safety lock

• Compressed-air storage device

• Stable automatic tool-changing system

• Production-oriented enclosure design

• Efficient chip removal arrangement

These features support consistent machine operation in higher-utilisation manufacturing environments.


Cutting Performance

SMTCL H Series cutting tests demonstrate the capability of the VMC850H, VMC1000H and VMC1100H platform on 45# carbon steel.

Representative Face Milling Test

• Workpiece material: 45# steel

• Tool: Ø80 mm face mill

• Cutting depth: 4 mm

• Spindle speed: approximately 716 rpm

• Feed speed: approximately 773 mm/min

• Metal removal rate: approximately 198 cm³/min


Representative Drilling Test

• Workpiece material: 45# steel

• Tool: Ø40 mm U-drill

• Spindle speed: approximately 1194 rpm

• Feed speed: approximately 119 mm/min

• Metal removal rate: approximately 225 cm³/min


Representative Tapping Test

• Workpiece material: 45# steel

• Thread: M27 × P3.0

• Tool: Spiral tap

• Spindle speed: approximately 354 rpm

• Feed speed: approximately 1061 mm/min

These figures are representative H Series test results and should not be treated as guaranteed production figures for every workpiece, tool or setup.


Precision Capability

The VMC850H combines:

• C3-grade pre-tensioned ballscrews

• P-grade roller guideways

• High-precision spindle technology

• High-rigidity structural castings

• Precision machine assembly

• Controlled feed-system setup

The 2026 VMC850H specification lists:

• X / Y / Z positioning accuracy:
0.008 / 0.006 / 0.006 mm

• X / Y / Z repeat positioning accuracy:
0.005 / 0.004 / 0.004 mm

Actual finished-part accuracy will also depend on tooling, workholding, material, thermal conditions, process design and cutting parameters.


Typical Applications

The VMC850H is well suited to:

• New energy vehicle components

• Automotive components

• Motor shafts

• Motor and drive-system components

• Wheel hub reducer components

• Transmission components

• Pump and valve components

• Mould and die components

• Engineering machinery components

• Precision housings

• Machine components

• Fixtures and tooling

• Plates

• General precision engineering

• Batch production

• Automated production cells


Typical Workpieces

Typical VMC850H workpieces may include:

• Motor shafts

• Wheel hub reducer components

• Gearbox components

• Pump bodies

• Valve bodies

• Motor housings

• Transmission housings

• Bearing housings

• Small and medium mould components

• Fixture plates

• Machine brackets

• General production components


Documented Industry Applications

SMTCL H Series material identifies several VMC850H application examples.

Motor Shaft

• Industry: New energy vehicles

• Material: 20CrMnTi

• Processes: Milling keyways and drilling holes

• Recommended model: VMC850H


Pipe Connector

• Industry: Petroleum

• Material: 40CrNiMo

• Processes: Surface milling and drilling

• Recommended model: VMC850H


Wheel Hub Reducer

• Industry: Automotive

• Material: Cast iron

• Processes: Surface milling and drilling

• Recommended model: VMC850H


Why Consider the VMC850H?

The VMC850H is not simply another 850-size general-purpose machining centre.

It is designed as a high-efficiency production platform with greater emphasis on rigidity, cutting performance and machining stability.

Key reasons to consider the VMC850H include:

• 850 × 520 × 540 mm machining envelope

• 1000 × 500 mm worktable

• 600 kg table load

• BT40 spindle

• 8000 rpm spindle speed

• Up to 143 Nm spindle torque

• 11 / 15 kW spindle power

• 48 m/min rapid traverse on all three axes

• Three-axis roller linear guideways

• C3-grade pre-tensioned ballscrews

• High-rigidity reinforced structure

• 24-tool automatic tool changer

• Strong drilling and tapping capability

• Suitable for steel, cast iron and aluminium

• Suitable for higher-utilisation production

• Suitable for automation integration


VMC850H Compared with VMC850Q

Although both machines share the same basic 850 mm X-axis size class, they are designed around different priorities.

VMC850Q

• General-purpose VMC

• 850 / 550 / 540 mm travel on the current Q platform

• 10000 rpm spindle

• 7.5 / 11 kW spindle power

• 35.8 / 70 Nm spindle torque

• 48 m/min rapid traverse

• Focus on speed, flexibility and strong overall value


VMC850H

• High-efficiency VMC

• 850 / 520 / 540 mm travel

• 8000 rpm spindle

• 11 / 15 kW spindle power

• 78 / 143 Nm spindle torque

• 48 m/min rapid traverse

• Greater emphasis on rigidity, spindle torque, cutting performance and production stability

The Q and H platforms therefore should not be viewed simply as lower and higher price versions of the same machine.

The Q Series emphasises general-purpose performance and value.

The H Series places greater emphasis on higher-efficiency production, structural rigidity and stronger cutting capability.


VMC Series Selection Guide

SMTCL offers several Vertical Machining Centre platforms designed around different machining priorities.

They should not simply be viewed as different price levels.

Each series represents a different balance of capability, productivity, precision and application requirements.


VMC B Series – Classical VMC

The B Series is SMTCL’s established classical vertical machining centre platform.

It provides a broad range of sizes and is suited to customers seeking a proven and practical CNC machining platform.

Best suited for:

• General engineering

• Job-shop machining

• Maintenance machining

• Standard milling, drilling and tapping

• Broad workpiece size requirements

• Customers preferring a mature machine platform


VMC Q Series – General-Purpose High-Value VMC

The Q Series is SMTCL’s mainstream general-purpose vertical machining centre platform.

It focuses on:

• High machining speed

• Practical precision

• Broad application flexibility

• Strong productivity

• Strong overall value

Best suited for:

• General machinery

• Automotive components

• Pumps and valves

• Transmission components

• Aluminium machining

• General production work

• Customers seeking a strong balance of performance and investment


VMC H Series – High-Efficiency VMC

The H Series is SMTCL’s high-efficiency vertical machining centre platform.

Compared with the general-purpose Q Series, the H platform places greater emphasis on:

• Machining efficiency

• Structural rigidity

• Cutting torque

• Stability

• Precision retention

• Higher-utilisation production

Best suited for:

• New energy vehicle components

• Automotive production

• Mould and die machining

• Engineering machinery

• Precision housings

• Steel and cast-iron machining

• Production machining

• Automated manufacturing


VMC P Series – High-Precision VMC

The P Series is SMTCL’s high-precision vertical machining centre platform.

It is intended for applications where machining accuracy, thermal stability and high-quality surface machining are the primary requirements.

Best suited for:

• Aerospace components

• Precision moulds

• Defence manufacturing

• High-value precision components

• Precision engineering

• Applications requiring tighter machining tolerances


How to Choose Between B, Q, H and P

Choose the B Series when you require a mature classical VMC platform for broad general machining.

Choose the Q Series when you want a modern general-purpose VMC combining speed, flexibility and strong overall value.

Choose the H Series when productivity, rigidity, stronger spindle torque and machining stability are higher priorities.

Choose the P Series when high precision, thermal stability and demanding precision machining are the main requirements.

Machine selection should always start with the workpiece and manufacturing process rather than simply the machine series or purchase price.


VMC-H Model Range

The VMC-H Series includes:

• VMC850H

• VMC1000H

• VMC1100H

• VMC1300H

• VMC1600H

The VMC850H, VMC1000H and VMC1100H form the smaller high-efficiency platform with three-axis roller guideways and BT40 capability.

The VMC1300H and VMC1600H extend the H Series into larger BT50 applications with increased workpiece capacity and stronger heavy-cutting capability.


Machine Selection and Configuration

Final machine configuration should be selected according to the actual workpiece and production process.

Please provide:

• Workpiece material

• Maximum workpiece dimensions

• Workpiece weight

• Drawing or 3D model where available

• Required machining operations

• Required tolerances

• Surface finish requirements

• Production quantity

• Maximum cutter diameter

• Drilling requirements

• Tapping requirements

• Spindle speed requirements

• Spindle torque requirements

• Tool magazine requirements

• Workholding requirements

• Rotary table or 4th-axis requirements

• Coolant requirements

• Through-spindle coolant requirements

• Chip management requirements

• Automation requirements

MachineryPLUS can assist with machine selection and configuration based on the actual component and manufacturing process.


Complete Your Machine Setup

A CNC machining centre is only one part of the complete machining system.

MachineryPLUS can also assist with:

• CNC machine selection

• Cutting tools

• BT40 tool holders

• Collets and collet chucks

• Indexable milling cutters

• Drilling tools

• Tapping systems

• Workholding

• Machine vises

• Fixtures

• Rotary tables

• Tool measurement

• Coolant systems

• Tool storage

• Automation

• Flexible manufacturing solutions

This allows the machine, tooling, workholding 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.

• Machining Centres – vertical machining centres, horizontal machining centres, five-axis machining centres and drilling and tapping centres.

• Five-Axis Machining – vertical five-axis machining centres, horizontal five-axis machining centres, five-axis gantry machines and specialised five-axis machining solutions.

• Large Machining – gantry machining centres, floor-type boring and milling machines, table-type boring and milling machines and large heavy-duty machine tools.

• Precision & Specialised Machines – grinding machines, gear manufacturing machines, ultra-precision equipment and special-purpose machine tools.

• Forming & Forging Equipment – hydraulic presses, mechanical presses, forging systems, forming equipment and specialised production systems.

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

• Cutting Tools – turning, milling, drilling, threading and holemaking tools for a broad range of machining applications.

• 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.

MachineryPLUS – Filtering Risk. Delivering Value.

Helping Australian manufacturers make confident decisions.