NEW SMTCL HTC63 Series Slant Bed CNC Lathe

SMTCL HTC63 Series Heavy-Duty Slant Bed CNC Lathe

The SMTCL HTC63 Series is a higher-capacity slant bed CNC lathe platform designed for machining larger shaft and disc-type components in demanding engineering and production environments.

Available in Q, H and S configurations, the HTC63 Series allows the machine to be selected according to the required balance of general-purpose capability, production efficiency and heavy-cutting performance.

The Series covers turning lengths from 1000 mm to 3000 mm and provides substantially greater turning diameter, spindle bore, chuck capacity, spindle torque and workpiece load capacity than the smaller HTC40 and HTC50 platforms.

The HTC63 Series is particularly suited to engineering machinery, automotive components, metallurgy, casting, valves, cylinder components, long shafts and other medium-to-heavy industrial workpieces where machine rigidity and spindle capability are critical.


HTC63 Series Configurations

The HTC63 platform is available in three principal configurations:


HTC63Q – General-Purpose Heavy Turning

The HTC63Q is the general-purpose configuration of the HTC63 platform.

It is intended for workshops requiring larger turning capacity and strong overall machining capability without moving into the heavier S configuration.

Best suited for:

• General engineering

• Engineering machinery

• Automotive components

• Larger shafts

• Disc-type components

• Pump and valve components

• Mixed production

• Medium-to-heavy batch manufacturing


HTC63H – High-Efficiency Heavy Turning

The HTC63H is the high-efficiency configuration.

Compared with the Q configuration, it provides:

• Increased turning diameter

• Larger chuck capacity

• Larger bar capacity

• Higher spindle torque

• Greater shaft workpiece load capacity

• Strong production capability

Best suited for:

• Higher-utilisation production

• Engineering machinery

• Larger automotive components

• Cylinder components

• Long shafts

• Large pump and motor components

• Production environments requiring stronger spindle performance


HTC63S – Heavy-Cutting Configuration

The HTC63S is the strongest heavy-cutting configuration in the HTC63 family.

It places greater emphasis on:

• Very high spindle torque

• Large spindle bore

• Large bar capacity

• Large chuck capacity

• Heavy workpiece support

• Strong structural rigidity

• Heavy roughing capability

Best suited for:

• Heavy shafts

• Large disc components

• Energy-sector parts

• Metallurgical components

• Large valves

• Castings

• Heavy engineering machinery

• Applications requiring high material-removal capability


HTC63 Series Key Specifications


Maximum Turning Diameter

HTC63Q:

• Maximum shaft-type turning diameter: 600 mm

• Maximum disc-type turning diameter: 630 mm


HTC63H:

• Maximum shaft-type turning diameter: 630 mm

• Maximum disc-type turning diameter: 800 mm


HTC63S:

• Maximum shaft-type turning diameter: 630 mm

• Maximum disc-type turning diameter: 800 mm


Maximum Turning Length

Available standard turning-length classes include:

• 1000 mm

• 1500 mm

• 2000 mm

• 3000 mm

The 2026 manufacturer product range lists Q, H and S configurations across these turning-length classes.


Maximum Swing Over Bed

HTC63Q:

• Approximately 700 mm


HTC63H / HTC63S:

• Approximately 820 mm


Spindle Nose

HTC63Q:

• A2-11


HTC63H:

• A2-11


HTC63S:

• A2-15


Spindle Bore

HTC63Q:

• 104 mm


HTC63H:

• 106 mm


HTC63S:

• 140 mm


Maximum Bar Capacity

HTC63Q:

• 85 mm


HTC63H:

• 88 mm


HTC63S:

• 125 mm


Standard Chuck

HTC63Q:

• 12 inch


HTC63H:

• 15 inch


HTC63S:

• 18 inch


Spindle Speed Range

HTC63Q:

• Approximately 35–2000 rpm


HTC63H:

• Approximately 35–2000 rpm


HTC63S:

• Approximately 35–1800 rpm


Maximum Spindle Torque

HTC63Q:

• Approximately 1250 Nm


HTC63H:

• Approximately 1900 Nm


HTC63S:

• Approximately 3800 Nm


Tool Turret

HTC63Q:

• 12-station horizontal servo turret


HTC63H:

• 12-station horizontal servo turret


HTC63S:

• 12-station horizontal hydraulic turret


Maximum Workpiece Load

HTC63Q:

• Disc-type workpiece: approximately 800 kg

• Shaft-type workpiece: approximately 1300 kg


HTC63H:

• Disc-type workpiece: approximately 800 kg

• Shaft-type workpiece: approximately 2000 kg


HTC63S:

• Disc-type workpiece: approximately 1000 kg

• Shaft-type workpiece: approximately 3000 kg


Higher-Capacity Turning Platform

The HTC63 Series provides a substantial increase in turning capability compared with the HTC50 platform.

The increase is particularly significant in:

• Turning diameter

• Spindle bore

• Bar capacity

• Chuck size

• Spindle torque

• Shaft workpiece load

• Heavy-cutting capability

This makes the HTC63 Series a more appropriate platform where workpiece size and cutting load begin to exceed the practical limits of medium-capacity turning centres.


Large Shaft and Disc Capability

The HTC63 platform is designed for both shaft-type and disc-type workpieces.

Depending on configuration, the machine can accommodate:

• Shaft turning diameters up to approximately 630 mm

• Disc turning diameters up to approximately 800 mm

• Turning lengths up to 3000 mm

• Shaft workpieces up to approximately 3000 kg on the S configuration

This broad working range makes the HTC63 suitable for many demanding engineering sectors.


High-Torque Spindle Options

One of the major strengths of the HTC63 Series is the substantial spindle torque available across the Q, H and S configurations.

HTC63Q:

• Maximum torque approximately 1250 Nm


HTC63H:

• Maximum torque approximately 1900 Nm


HTC63S:

• Maximum torque approximately 3800 Nm


The HTC63S therefore provides approximately three times the maximum spindle torque of the HTC63Q.

This makes the S configuration particularly suitable for:

• Heavy rough turning

• Large-diameter steel components

• Castings

• Large forgings

• Deep cutting

• Large chucking work

• Applications requiring high material-removal rates


Large Spindle Bore and Bar Capacity

The HTC63 Series provides progressively larger spindle bores across the Q, H and S versions.

HTC63Q:

• 104 mm spindle bore

• 85 mm maximum bar capacity


HTC63H:

• 106 mm spindle bore

• 88 mm maximum bar capacity


HTC63S:

• 140 mm spindle bore

• 125 mm maximum bar capacity


The HTC63S is therefore particularly suitable where large through-spindle bar or tube capacity is important.


Large Chuck Capacity

The HTC63 platform is available with significantly larger chuck sizes than HTC40 and HTC50 machines.

HTC63Q:

• 12-inch chuck


HTC63H:

• 15-inch chuck


HTC63S:

• 18-inch chuck


This allows the machine to support larger components and stronger clamping arrangements.

The 18-inch HTC63S configuration is particularly useful for:

• Heavy disc work

• Large flanges

• Castings

• Forgings

• Large shaft ends

• Valve components


Heavy Workpiece Capacity

The HTC63 Series is designed to support substantially heavier workpieces than smaller slant-bed turning platforms.

Maximum shaft workpiece capacity increases from:

• Approximately 1300 kg on HTC63Q

to:

• Approximately 2000 kg on HTC63H

and:

• Approximately 3000 kg on HTC63S


This makes the H and S versions particularly suitable for heavy shaft components and engineering machinery applications.


Turret Configuration

The HTC63Q and HTC63H use a 12-station horizontal servo turret.

The servo turret supports:

• Efficient tool indexing

• Repeatable tool positioning

• Multi-operation turning

• Batch production

• Reduced non-cutting time


The HTC63S uses a 12-station horizontal hydraulic turret.

The hydraulic turret configuration is more appropriate to the heavier-cutting philosophy of the S platform.


Machine Rigidity and Heavy-Duty Design

The HTC63 Series is intended for larger workpieces and higher cutting loads.

The machine structure is designed around:

• High structural rigidity

• Large spindle support

• Strong workholding capacity

• Stable tool support

• Heavy workpiece capability

• Production reliability

The 2026 manufacturer development material specifically identifies HTC63 and HTC80 hard-guide machines as a focus area for further performance and reliability improvement in heavy-duty applications.


Typical Applications

The HTC63 Series is well suited to:

• Engineering machinery

• Automotive components

• Metallurgical components

• Casting components

• Energy-sector components

• Hydraulic machinery

• Pump components

• Valve components

• Large shaft production

• Cylinder components

• Heavy disc components

• General heavy engineering

• Medium and large batch production


Typical Workpieces

Typical HTC63 workpieces may include:

• Drive shafts

• Gear shafts

• Transmission shafts

• Large motor shafts

• Hydraulic shafts

• Piston rods

• Cylinder barrels

• Large sleeves

• Bearing shafts

• Flanges

• Large valve bodies

• Disc components

• Castings

• Forgings

• Heavy rotating components


Why Consider the HTC63 Series?

The HTC63 Series is a strong choice where the customer has moved beyond the practical capacity of HTC40 and HTC50-class turning centres.

Key reasons to consider HTC63 include:

• Up to 630 mm shaft turning diameter

• Up to 800 mm disc turning diameter

• Turning lengths up to 3000 mm

• Up to 125 mm bar capacity

• 12-inch, 15-inch and 18-inch chuck configurations

• Up to approximately 3800 Nm spindle torque

• Up to approximately 3000 kg shaft workpiece capacity

• Q, H and S configuration choices

• 12-station turret systems

• Suitable for long shafts and heavy disc work

• Suitable for engineering machinery and metallurgy

• Suitable for large steel and cast-iron components

• Heavy-duty S configuration available


HTC63Q vs HTC63H vs HTC63S


HTC63Q – General-Purpose

Choose the HTC63Q when:

• 600 mm shaft turning capacity is sufficient

• 630 mm disc capacity is sufficient

• 85 mm bar capacity is adequate

• A 12-inch chuck is appropriate

• General-purpose heavy engineering work is the main application

• Maximum spindle torque around 1250 Nm is sufficient

• Overall capability and investment value are the main priorities


HTC63H – High-Efficiency

Choose the HTC63H when:

• Larger 630 mm shaft capacity is beneficial

• Up to 800 mm disc work is required

• 15-inch chuck capacity is preferred

• Higher spindle torque is required

• Higher shaft workpiece capacity is important

• Higher-utilisation production is expected

• Approximately 1900 Nm spindle torque provides a useful productivity advantage


HTC63S – Heavy-Cutting

Choose the HTC63S when:

• Heavy roughing is a primary requirement

• A large A2-15 spindle interface is beneficial

• 140 mm spindle bore is required

• Up to 125 mm bar capacity is required

• An 18-inch chuck is needed

• Very high spindle torque is important

• Workpiece weight is significantly higher

• Large steel, casting or forging components are common

• Maximum cutting capability is more important than maximum spindle speed


HTC63 Turning Length Selection


HTC63 / 1000

Best suited for:

• Shorter heavy shafts

• Large disc components

• Valve bodies

• Compact heavy-turning applications

• Heavy components where extra bed length is unnecessary


HTC63 / 1500

Best suited for:

• Medium-length shafts

• Hydraulic components

• Engineering machinery parts

• General heavy-production work


HTC63 / 2000

Best suited for:

• Long shafts

• Cylinder components

• Large hydraulic parts

• Engineering machinery

• Components requiring additional tailstock working range


HTC63 / 3000

The longest current standard HTC63 configuration listed in the 2026 manufacturer product range.

Best suited for:

• Very long shafts

• Long cylinder components

• Large hydraulic rods

• Heavy industrial shaft work

• Applications where 2000 mm turning length is insufficient


HTC63 Compared with HTC50

The HTC63 Series represents a major increase in turning capability compared with the HTC50 platform.


HTC50

Typical maximum capacities include:

• Shaft turning diameter: approximately 500 mm

• Disc turning diameter: up to approximately 630 mm

• Maximum bar capacity: up to approximately 85 mm

• Maximum spindle torque: up to approximately 890 Nm

• Maximum shaft workpiece load: up to approximately 1300 kg

• Turning lengths up to approximately 2500 mm


HTC63

Typical maximum capacities include:

• Shaft turning diameter: up to approximately 630 mm

• Disc turning diameter: up to approximately 800 mm

• Maximum bar capacity: up to approximately 125 mm

• Maximum spindle torque: up to approximately 3800 Nm

• Maximum shaft workpiece load: up to approximately 3000 kg

• Turning lengths up to approximately 3000 mm


Choose the HTC50 where medium-size shaft and disc work dominates production.

Choose the HTC63 where larger workpieces, heavier cutting, greater spindle bore, higher torque or heavier workpiece capacity are required.


HTC Series Positioning Guide

The broader HTC range is divided into different performance platforms.


HTC-Q Series – General-Purpose Turning

The HTC-Q Series is the mainstream general-purpose horizontal turning platform.

It focuses on:

• Broad application capability

• Practical productivity

• Strong overall value

• Flexible machine sizing

Best suited for:

• General engineering

• Engineering machinery

• Mixed shaft and disc production

• Customers requiring versatile turning capability


HTC-H Series – High-Efficiency Turning

The HTC-H Series is the high-efficiency platform.

It places greater emphasis on:

• Higher production efficiency

• Increased spindle capability

• Higher machining stability

• Greater workpiece capacity

• Automation integration

Best suited for:

• Automotive components

• Engineering machinery

• Pumps and motors

• Higher-volume production

• Repetitive machining


HTC-S Series – Heavy-Cutting Turning

The HTC-S Series is the heavy-cutting platform.

It places greater emphasis on:

• Very high spindle torque

• Strong structural rigidity

• Large spindle bore

• Larger chuck capacity

• Heavy material removal

• Heavy workpiece capability

Best suited for:

• Energy-sector components

• Metallurgy

• Castings and forgings

• Heavy valves

• Engineering machinery

• Large shafts and discs


HTC-P Series – High-Precision Turning

The HTC-P Series is the high-precision platform.

It should be considered where:

• Higher machining accuracy

• Precision retention

• Thermal stability

• High-value component machining

are the primary requirements.


How to Choose Between HTC40, HTC50, HTC63 and HTC80

Choose HTC40 when:

• Compact footprint is important

• Smaller shafts and disc components dominate production

• Approximately 50–65 mm bar capacity is sufficient


Choose HTC50 when:

• Medium-size shafts and disc components are required

• Up to approximately 85 mm bar capacity is beneficial

• Turning lengths up to approximately 2500 mm are required

• Higher torque and workpiece capacity than HTC40 are needed


Choose HTC63 when:

• Workpiece diameter and weight increase substantially

• Up to 125 mm bar capacity is required

• Larger 12–18 inch chuck capacity is needed

• Turning lengths up to 3000 mm are required

• Heavy engineering work is common

• Significantly higher torque is required


Choose HTC80 when:

• Very large shaft and disc components are required

• Very heavy workpieces dominate production

• Maximum rigidity and spindle torque are primary requirements

• Large engineering, metallurgy and heavy-industry work is the main application


Automation and Production Options

Depending on the selected HTC63 configuration, production options may include:

• Automatic loading and unloading

• Gantry automation

• Industrial robot integration

• Workpiece measurement

• Tool setting systems

• Tool damage detection

• Rear chip removal

• Oil mist collection

• Pneumatic door

• Special workholding

• Steady rests

• Special tailstock arrangements

Final availability should be confirmed according to the selected Q, H or S configuration.


Not the Best Fit When

The HTC63 Series may not be the best choice when:

• Most workpieces are small enough for HTC40 or HTC50

• Workshop floor space is limited

• Maximum bar diameter is below the requirements of a smaller machine

• Very small high-speed components dominate production

• Workpiece size substantially exceeds HTC63 capacity

• Very heavy-duty work requires HTC80 or larger equipment

• Complex turn-mill operations are the primary requirement

• Sub-spindle or advanced multitasking capability is essential

For these applications, HTC40, HTC50, HTC80 or an HTM turn-mill machining centre may be more appropriate.


Machine Selection and Configuration

Final HTC63 configuration should be selected according to the actual workpiece and production process.

Please provide:

• Maximum workpiece diameter

• Maximum workpiece length

• Maximum workpiece weight

• Material

• Required spindle bore

• Bar diameter if bar feeding is required

• Drawing where available

• Required machining operations

• Required tolerances

• Surface finish requirements

• Expected batch quantity

• Required spindle torque

• Required chuck size

• Tailstock requirement

• Turret requirement

• Steady-rest requirement

• Tooling requirements

• Chip conveyor requirement

• Workpiece measurement requirement

• Tool setting requirement

• Automation requirement

• Voltage and site requirements

MachineryPLUS can assist with selecting the correct HTC63 Q, H or S configuration and turning length according to the actual workpiece and production process.


Complete Your Machine Setup

A CNC lathe is only one part of the complete turning system.

MachineryPLUS can also assist with:

• CNC machine selection

• Turning tools

• Boring bars

• Parting and grooving tools

• Threading tools

• Drilling tools

• Tool holders

• Collets

• Chucking solutions

• Soft jaws

• Centres

• Tailstock tooling

• Steady rests

• Special workholding

• Tool measurement

• Chip management

• Tool storage

• Automation

• Integrated 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.