NEW SMTCL CAK80 Series Flat Bed CNC Lathe

NEW SMTCL CAK80 Series Flat Bed CNC Lathe

The SMTCL CAK80 Series is a practical, rigid and configurable flat bed CNC lathe designed for large shafts, sleeves, flanges and heavy workshop turning.

With an 800 mm maximum swing over the bed, 104 mm spindle bore and cutting-length configurations covering approximately 1350 to 4850 mm, the CAK80 provides significantly greater workpiece capacity than the smaller CAK63 platform.

The Series is intended for workshops that require dependable CNC turning of larger and longer components without the additional cost or complexity of a full slant-bed turning centre.

Typical applications include:

• General engineering

• Mining maintenance

• Heavy industrial maintenance

• Agricultural equipment repair

• Transport equipment repair

• Hydraulic components

• Large shafts

• Sleeves

• Flanges

• Bearing components

• Low-to-medium batch production

• Heavy workshop turning


CAK80 Series Positioning

The CAK80 Series is best understood as a practical heavy-duty flat bed CNC lathe rather than a high-specification turning centre.

Its design priorities include:

• Rigid flat-bed construction

• Large-diameter workpiece capability

• Long bed-length choices

• Large spindle bore

• Conventional tailstock support

• Heavy-duty turret and tooling options

• Manual or hydraulic workholding options

• Straightforward operation

• Practical serviceability

• Controlled capital investment

The machine is particularly suitable where workpiece size, rigidity and long-shaft capability are more important than high-speed automated production.


Key Series Specifications

• Maximum swing over bed: 800 mm

• Maximum cutting length range: approximately 1350–4850 mm

• Spindle bore: 104 mm on the main CAK80 models

• Main motor power: approximately 15 kW class, configuration dependent

• Recommended chuck size: approximately 315–400 mm class, configuration dependent

• Tooling / turret arrangement: Heavy-duty configuration, model dependent

• CNC control options: FANUC, Siemens or GSK depending on selected configuration

• HNC control alternatives may also be available depending on current factory configuration

• Workholding: Manual or hydraulic options depending on final package

• Tailstock: Manual or hydraulic configuration depending on selected machine

Final spindle speed, exact chuck size, cutting length, turret type, tailstock configuration, machine weight, overall dimensions and supplied equipment should be confirmed before quotation.


Rigid Flat-Bed Construction

The CAK80 uses a conventional horizontal flat-bed layout.

This machine concept is particularly suitable for:

• Large shaft work

• Long components

• Large sleeves

• Flanges

• Repair components

• Mining replacement parts

• Heavy maintenance machining

• Low-to-medium production quantities

• Workpieces requiring tailstock and steady-rest support


Compared with a slant-bed production turning centre, the CAK80 places greater emphasis on:

• Rigidity

• Simplicity

• Workpiece capacity

• Long-bed flexibility

• Straightforward maintenance


800 mm Swing Over Bed

The CAK80 provides:

• 800 mm maximum swing over bed


This gives the machine substantially more diameter capacity than the CAK63 Series.

The larger swing is useful for:

• Large flanges

• Heavy sleeves

• Large coupling components

• Bearing housings

• Large hydraulic components

• Heavy repair work

• Large raw-stock diameters


104 mm Spindle Bore

The current CAK80 Series data identifies:

• 104 mm spindle bore on the main models


This provides practical through-spindle capacity for:

• Larger bar

• Tube

• Hollow shafts

• Long cylindrical components

• Industrial repair work


Larger-bore alternatives should not be assumed and must be confirmed against the selected configuration.


Broad Cutting-Length Range

The CAK80 Series covers an approximate cutting-length range of:

• 1350–4850 mm


This makes the machine particularly useful for:

• Medium-length shafts

• Long drive shafts

• Hydraulic rods

• Sleeves

• Mining components

• Industrial replacement shafts

• Long repair components


The correct bed length should be selected around the actual workpiece rather than choosing the longest available machine by default.


Selecting the Correct Bed Length

The practical bed length should allow for:

• Finished workpiece length

• Raw-stock length

• Chuck projection

• Tailstock position

• Tool clearance

• Steady-rest location

• Future workpiece requirements


Choosing excessive bed length may increase:

• Machine footprint

• Installation requirements

• Floor space

• Capital cost

without improving productivity on shorter components.


Automatic-Shift Headstock

The current CAK80 product information identifies an automatic-shift headstock design on the main CAK80 configurations.

This provides a broad usable spindle-speed range for different turning operations.

The design is intended to support:

• General steel turning

• Cast-iron machining

• Large-diameter turning

• Shaft machining

• Boring

• Threading

• General heavy workshop cutting


Final spindle-speed range should be confirmed against the selected control and spindle package.


15 kW Class Main Motor

The current series specification lists:

• Main motor power: approximately 15 kW class


The exact motor specification depends on final configuration.

Motor selection should be checked against:

• Workpiece diameter

• Material

• Required depth of cut

• Cutting tool

• Spindle speed

• Production duty

• Heavy roughing requirement


315–400 mm Chuck Class

The current CAK80 configuration guide identifies:

• Approximately 315–400 mm chuck class


Manual or hydraulic workholding can be considered depending on production needs.


Manual Chuck

Best suited where:

• Batch size is low

• Workpiece variety is high

• Operator loading time is not critical

• Minimum machine complexity is preferred


Hydraulic Chuck

Better suited where:

• Repetitive loading is common

• Cycle consistency is important

• Production quantities are higher

• Reduced manual handling is beneficial


Final chuck diameter and hydraulic compatibility should be confirmed for the selected machine.


Heavy-Duty Turret and Tooling Options

The current CAK80 information identifies heavy-duty turret and tooling options, with exact arrangement dependent on configuration.

This is appropriate for larger workpieces where:

• Larger turning tools are required

• Boring bars are heavier

• Cutting forces are greater

• Tool rigidity is important


Typical tooling may include:

• External turning tools

• Heavy boring bars

• Grooving tools

• Threading tools

• Drilling tools

• Parting tools where appropriate


Final turret type and tool-section capacity should be confirmed before quotation.


Tailstock Support

The CAK80 can be configured with conventional tailstock support.

Depending on final machine package:

• Manual tailstock

or

• Hydraulic tailstock

may be available.


Tailstock support is especially important for:

• Long shafts

• Heavy shafts

• Slender components

• Hydraulic rods

• Large drive components


Long workpieces may also require:

• Steady rest

• Follow rest

• Suitable centres

• Controlled cutting parameters


Independent Oil Tank

The current CAK80 product information identifies an independent oil-tank arrangement.

This is intended to:

• Simplify maintenance

• Improve service access

• Separate lubrication-related systems from the main machine structure

• Support practical workshop operation


Improved Coolant Containment

The CAK80 platform incorporates a large waterproof groove and diversion-based enclosure design.

This helps manage:

• Coolant

• Chips

• General workshop cleanliness

during normal machining.


Typical Applications

The CAK80 Series is well suited to:

• General engineering

• Mining maintenance

• Heavy industrial maintenance

• Agricultural machinery repair

• Transport equipment repair

• Hydraulic repair

• Shaft machining

• Sleeve machining

• Flange machining

• Bearing-related components

• Heavy job-shop machining

• Small-to-medium batch production


Typical Workpieces

Typical CAK80 workpieces may include:

• Large motor shafts

• Drive shafts

• Gear shafts

• Hydraulic rods

• Large hydraulic sleeves

• Large bushes

• Flanges

• Couplings

• Valve components

• Bearing housings

• Bearing rings

• Brake components

• Mining replacement parts

• Agricultural replacement parts

• Heavy industrial repair components


Material Capability

Depending on tooling, workholding and cutting parameters, the CAK80 can be used for common engineering materials including:

• Carbon steel

• Alloy steel

• Stainless steel

• Cast iron

• Aluminium

• Non-ferrous materials


Actual machining capability depends on:

• Material grade

• Workpiece diameter

• Workpiece length

• Required depth of cut

• Tooling

• Spindle power

• Workholding

• Tailstock / steady-rest support

• Required tolerance


Why Consider the CAK80 Series?

The CAK80 is a strong choice where a workshop needs greater diameter and length capacity than the CAK63 while retaining a straightforward flat-bed CNC lathe concept.

Key reasons to consider the CAK80 include:

• 800 mm maximum swing over bed

• 104 mm spindle bore on the main models

• Cutting-length range approximately 1350–4850 mm

• Approximately 15 kW class main motor

• Approximately 315–400 mm chuck class

• Heavy-duty turret and tooling options

• Manual or hydraulic workholding choices

• Tailstock support

• Long-bed configurations

• Practical flat-bed construction

• Suitable for large shafts and sleeves

• Suitable for mining and industrial maintenance

• Suitable for low-to-medium production volumes

• Straightforward machine architecture


CAK80 Compared with CAK63

CAK63

Current series specification:

• Maximum swing over bed: 630 mm

• Spindle bore: 104 mm

• Cutting-length range: approximately 600–2850 mm

• Main motor: approximately 11 kW class

• Chuck: approximately 315 mm class

Best suited for:

• Medium-large shafts

• Large flanges

• Sleeves

• General heavy workshop turning


CAK80

Current series specification:

• Maximum swing over bed: 800 mm

• Spindle bore: 104 mm on the main models

• Cutting-length range: approximately 1350–4850 mm

• Main motor: approximately 15 kW class

• Chuck: approximately 315–400 mm class

Best suited for:

• Larger diameter shafts

• Longer components

• Large sleeves

• Heavy flanges

• Mining maintenance

• Larger industrial repair work


Choose CAK63 when the workpiece comfortably fits within its 630 mm swing and shorter bed range.

Choose CAK80 when larger diameter, longer workpieces or stronger workshop capacity are required.


CAK80 Compared with CAK100

CAK80

Best suited for:

• Large shafts

• Heavy sleeves

• Large flanges

• Industrial repair work

• Applications where 800 mm swing is sufficient


CAK100

The CAK100 moves into a larger flat-bed machine class.

Current MachineryPLUS data identifies:

• 1000 mm maximum swing over bed

• 104 mm spindle bore on the main models

• Cutting-length range approximately 1300–4800 mm


Choose CAK80 where 800 mm swing is sufficient.

Choose CAK100 where the raw-stock or finished diameter exceeds CAK80 capacity.


CAK Series Selection Guide

The CAK flat-bed CNC lathe family covers a broad range of general engineering and heavy workshop applications.


CAK36 / CAK40

Best suited for:

• Smaller workpieces

• General engineering

• Repair and maintenance

• Compact workshops


CAK50

Best suited for:

• Medium-size shafts

• Hydraulic components

• General jobbing

• Maintenance machining


CAK63

Best suited for:

• Larger shafts

• Flanges

• Sleeves

• Mining components

• General heavy workshop work


CAK80

Best suited for:

• Large shafts

• Heavy sleeves

• Large flanges

• Longer industrial components

• Heavy maintenance work


CAK100

Best suited for:

• Very large diameter components

• Large shafts

• Heavy sleeves

• Large industrial turning


Flat Bed CNC Lathe vs Slant Bed Turning Centre

CAK80 Flat Bed CNC Lathe

Best suited where:

• General-purpose turning is required

• Workpiece diameter is large

• Long shafts are common

• Workpiece variety is high

• Production volume is low to medium

• Tailstock and steady-rest support are important

• Simplicity and serviceability are valued


Slant Bed Turning Centre

Better suited where:

• Cycle time is critical

• Automatic production is important

• High-volume batches dominate

• Fast turret indexing is required

• Bar feeding is required

• Automation is planned

• Higher rapid-traverse performance is important


The correct machine should be selected according to the workpiece and production requirement rather than simply machine architecture.


Not the Best Fit When You Need

The CAK80 may not be the best choice when:

• Live tooling is required

• Milling operations are required

• C-axis machining is required

• Y-axis machining is required

• High-volume bar-fed production is required

• Sub-spindle capability is required

• Twin-turret production is required

• High-speed automated production is the primary requirement

• Workpiece diameter exceeds the 800 mm swing capacity


For these applications, an HTC turning centre, HTC-m driven-tool machine, HTM turn-mill machine or larger CAK model may be more appropriate.


CNC Control Options

The current CAK configuration information lists control alternatives including:

• FANUC 0i-TF Plus

• Siemens 808D Advanced

• Siemens 828D

• GSK controls

• HNC alternatives


Final CNC availability, software options and support package should be confirmed before quotation.


Typical Standard Equipment

Final standard equipment depends on the selected bed length, CNC control and quotation.

A typical CAK80 base package may include:

• CNC control system

• Heavy-duty turret and tooling configuration

• 315–400 mm class chuck

• Manual tailstock

• Coolant system

• Automatic lubrication system

• Machine enclosure

• Work light

• Basic machine tool kit

• Technical documentation


Common Optional Equipment

Current CAK configuration information includes options such as:

• FANUC CNC control

• Siemens CNC control

• GSK CNC control

• Hydraulic chuck

• Hydraulic tailstock

• Thicker-quill tailstock

• Alternative chuck sizes where technically applicable

• Chip conveyor

• Steady rest

• Follow rest


Not every option can necessarily be combined with every CAK80 configuration.

Final compatibility should be confirmed before order placement.


Configuration Guide

Lowest Practical Initial Investment

Consider:

• Manual chuck

• Manual tailstock

• Economical supported CNC control

Best where:

• Loading frequency is low

• Workpiece variety is high

• Minimum machine complexity is preferred


General Australian Jobbing Workshop

Consider:

• FANUC or Siemens control

• 315–400 mm chuck class

• Suitable heavy-duty turret and tooling package

Best where:

• Operators machine varied components

• CNC familiarity is important

• Broad job capability is required


Frequent Repetitive Loading

Consider:

• Hydraulic chuck

• Hydraulic tailstock where compatible

Best where:

• Loading frequency is higher

• Workholding consistency matters

• Cycle repeatability is important


Long, Slender Shafts

Consider:

• Correct bed length

• Tailstock

• Steady rest

• Follow rest where required

Best where:

• Shaft deflection and vibration must be controlled


High Chip Volume

Consider:

• Chip conveyor

• Appropriate coolant package

Best where:

• Continuous cutting produces significant chip volume


Machine Selection and Configuration

The correct CAK80 configuration should be selected according to the actual workpiece and production requirement.

Please provide:

• Maximum raw-stock diameter

• Maximum finished diameter

• Maximum workpiece length

• Approximate workpiece weight

• Material

• Drawing where available

• Required turning operations

• Boring requirements

• Threading requirements

• Grooving requirements

• Drilling requirements

• Required tolerances

• Surface finish requirements

• Expected production quantity

• Preferred CNC control

• Chuck requirement

• Manual or hydraulic workholding preference

• Tailstock requirement

• Steady-rest requirement

• Follow-rest requirement

• Chip conveyor requirement

• Tooling requirement

• Workshop power supply

• Delivery location

MachineryPLUS can assist with selecting the appropriate CAK80 bed length, CNC control, chuck, tailstock and tooling package according to the actual job.


Buying Checklist

Before quotation, please confirm:

• Largest workpiece diameter

• Longest finished component

• Raw-stock dimensions

• Workpiece weight

• Material

• Required tolerances

• Batch size

• CNC control preference

• Chuck requirement

• Tailstock requirement

• Steady-rest requirement

• Power supply

• Workshop access

• Delivery location


Workshop and Installation Planning

Before ordering the CAK80, consider:

• Machine footprint

• Workshop doorway width

• Unloading route

• Crane or forklift capacity

• Floor loading

• Electrical supply

• Coolant management

• Chip removal

• Operator access

• Tailstock working space

• Long-workpiece clearance


Final machine dimensions and weight depend on the selected bed length and should be confirmed before order.


Frequently Asked Questions

Is the CAK80 a turning centre?

No.

The CAK80 is best described as a flat bed CNC lathe.

Its flat-bed construction and conventional turning configuration do not provide the live tooling, C-axis, Y-axis or automation normally associated with a modern turning centre.


What is the maximum swing over the bed?

The current CAK80 Series specification lists:

• 800 mm


What spindle bore does the CAK80 have?

The current CAK80 Series is commonly listed with:

• 104 mm spindle bore on the main models

Larger-bore alternatives must be confirmed before quotation.


What cutting lengths are available?

The current series specification gives an approximate cutting-length range of:

• 1350–4850 mm


The exact available bed-length configuration should be confirmed against the current manufacturer offering.


What chuck size is used?

The current CAK80 configuration guide identifies:

• Approximately 315–400 mm chuck class

Final chuck size depends on the selected configuration.


What main motor power does the CAK80 use?

The current series specification identifies:

• Approximately 15 kW class

Final motor specification depends on the selected machine package.


Can the CAK80 machine long shafts?

Yes, within the selected model’s length capacity.

Long slender parts may also require:

• Tailstock

• Steady rest

• Follow rest

• Suitable tooling

• Controlled cutting parameters


Can hydraulic chuck and hydraulic tailstock be supplied?

Hydraulic chuck and hydraulic tailstock options appear in the current CAK configuration list.

Compatibility and supplied hardware must be confirmed for the selected CAK80 configuration.


Can the CAK80 machine stainless steel?

Yes, provided the workpiece dimensions, stainless-steel grade, tooling, spindle load, workholding and cutting parameters are appropriate.

MachineryPLUS should review the actual workpiece before machine selection.


Complete Your Turning Solution

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

MachineryPLUS can also assist with:

• CNC machine selection

• Turning tools

• Tool holders

• Turning inserts

• Heavy boring bars

• Parting and grooving tools

• Threading tools

• Drilling tools

• Live centres

• Drill chucks

• Chucking solutions

• Soft jaws

• Hard jaws

• Steady rests

• Follow rests

• Tailstock tooling

• Measuring equipment

• Tool storage

• Workholding advice

• Tooling-package quotations


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.

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