NEW SMTCL CAK50 Series Flat Bed CNC Lathe

NEW SMTCL CAK40 Series Flat Bed CNC Lathe

The SMTCL CAK40 Series is a practical flat bed CNC lathe designed for general engineering, maintenance workshops, repair work and small-to-medium batch production.

The CAK40 combines a proven horizontal flat-bed layout with a 400 mm maximum swing over the bed, A2-6 spindle nose, 53 mm spindle bore, 200 mm chuck and a straightforward vertical four-position turret.

The currently confirmed CAK4085 configuration provides 850 mm maximum cutting length and is a practical choice for workshops requiring dependable CNC turning without the additional cost or complexity of a modern slant-bed turning centre.

The CAK40 Series is particularly suitable for shafts, bushes, sleeves, flanges, threaded components, hydraulic parts and general workshop machining where simple operation, serviceability and practical capital investment are important.


CAK40 Series Positioning

The CAK40 Series is best understood as a practical flat bed CNC lathe rather than a high-specification turning centre.

Its design priorities include:

• Proven flat-bed construction

• General-purpose turning capability

• Straightforward machine operation

• Conventional tailstock support

• Simple four-position turret

• Practical maintenance

• Manual or hydraulic workholding options

• Controlled capital investment

The machine is particularly appropriate where live tooling, Y-axis machining, sub-spindles or high-volume automated production are not required.


Current Confirmed Model

CAK4085

The CAK4085 is the currently confirmed CAK40 configuration in the available MachineryPLUS technical data.

Key Specifications

• Maximum swing over bed: 400 mm

• Maximum swing over cross slide: 200 mm

• Maximum turning diameter: 400 mm

• Maximum cutting length: 850 mm

• Spindle bore: 53 mm

• Spindle nose: A2-6

• Main motor power: 7.5 kW

• Recommended chuck size: 200 mm

• Tool turret: Vertical four-position turret

• Tailstock: Conventional manual arrangement in typical base configuration

• Hydraulic chuck option: Available depending on configuration

• Hydraulic tailstock option: Available depending on configuration

• Machine weight: To be confirmed by final configuration

• Overall footprint: To be confirmed by final configuration

Final spindle-speed range, rapid traverse, machine weight, dimensions, control system, guarding and supplied options should be confirmed before quotation.


Flat-Bed CNC Lathe Platform

The CAK40 uses a traditional horizontal flat-bed arrangement.

This machine concept is particularly suitable for:

• General shaft turning

• Repair work

• Maintenance components

• One-off parts

• Small production batches

• Components requiring tailstock support

• General workshop machining


The flat-bed layout provides a familiar and practical machine structure for workshops that value simplicity and ease of maintenance.


Rigid Flat-Bed Construction

The conventional horizontal bed supports general turning applications where rigidity and straightforward operation are more important than high-speed automated production.

Typical work includes:

• Shafts

• Sleeves

• Bushes

• Flanges

• Repair components

• Maintenance parts

• General production components


Compared with a high-speed slant-bed turning centre, the CAK40 is less focused on automation and rapid cycle performance and more focused on practical everyday workshop use.


400 mm Swing Capacity

The CAK40 provides:

• 400 mm maximum swing over bed

• 200 mm maximum swing over cross slide

• 400 mm maximum turning diameter


This provides useful capacity for:

• General shafts

• Flanges

• Brake components

• Valve parts

• Bushes

• Bearing components

• Hydraulic sleeves

• General repair work


53 mm Spindle Bore

The confirmed CAK4085 specification lists:

• 53 mm spindle bore

This spindle bore is suitable for:

• General shaft work

• Smaller bar stock

• Tube

• Bushes

• Sleeves

• General workshop components


Where larger through-spindle capacity is required, a larger CAK model should be considered.


A2-6 Spindle Nose

The CAK4085 uses:

• A2-6 spindle nose

This is a practical spindle interface for the 200 mm chuck class and general-purpose workshop turning.


7.5 kW Main Motor

The confirmed CAK4085 specification lists:

• 7.5 kW main motor

This provides practical power for:

• General steel turning

• Cast iron

• Aluminium

• Threading

• Boring

• General shaft work

• Maintenance components


Final process suitability should still be checked against workpiece diameter, material, depth of cut and tooling.


200 mm Chuck

The current CAK4085 technical specification lists:

• 200 mm recommended chuck size

Depending on production requirements, manual or hydraulic chuck configurations may be considered.


Manual Chuck

Best suited where:

• Production volume is low

• Workpiece variety is high

• Manual loading time is not critical

• Simplicity is preferred


Hydraulic Chuck

Better suited where:

• Repetitive loading is common

• Production consistency is important

• Cycle time is more important

• Reduced manual handling is beneficial


Final chuck configuration should be confirmed before order.


Vertical Four-Position Turret

The CAK40 uses a vertical four-position turret.

This simple turret arrangement is well suited to general workshop machining.

Typical tool positions may include:

• External turning tool

• Boring bar

• Grooving tool

• Threading tool


The four-position turret is easy to understand and maintain, but it does not provide the tooling flexibility of a modern 8- or 12-station production turning centre.


Automatic-Shift Headstock

The current CAK40 product information identifies an automatic-shift headstock design on the main models.

This provides a broad usable speed range for varied turning operations.

The design is intended to support:

• General steel turning

• Cast-iron machining

• Aluminium machining

• Shaft work

• Boring

• Threading

• General workshop production


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


Independent Oil Tank

The CAK40 platform uses an independent oil-tank arrangement.

This design 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 CAK40 product information identifies:

• Large waterproof groove

• Diversion-based enclosure design

These features help manage:

• Coolant

• Chips

• General workshop cleanliness


Tailstock Support

The CAK40 can be configured with a conventional tailstock arrangement.

Depending on final configuration:

• Manual tailstock

or

• Hydraulic tailstock

may be available.


Tailstock support is particularly useful for:

• Longer shafts

• Slender components

• Pins

• Sleeves

• Components requiring centre support


Long slender workpieces may also require a steady rest or follow rest.


Typical Applications

The CAK40 Series is well suited to:

• General engineering

• Maintenance workshops

• Mining support

• Agricultural equipment repair

• Transport equipment repair

• Hydraulic repair

• Small-batch production

• Job-shop machining

• Toolroom work

• General component production


Typical Workpieces

Typical CAK40 workpieces may include:

• Motor shafts

• Valve components

• Brake discs

• Flanges

• Hydraulic sleeves

• Hydraulic glands

• Bushes

• Bearing housings

• Bearing rings

• Threaded components

• Agricultural replacement parts

• Mining replacement parts

• General repair components


Material Capability

Depending on tooling, workholding and cutting conditions, the CAK40 can be used for common engineering materials including:

• Carbon steel

• Alloy steel

• Stainless steel

• Cast iron

• Aluminium

• Non-ferrous materials


Actual machining suitability depends on:

• Material grade

• Workpiece size

• Depth of cut

• Tooling

• Workholding

• Spindle load

• Required tolerance


Why Consider the CAK40 Series?

The CAK40 is a strong choice where the customer needs straightforward CNC turning without unnecessary complexity.

Key reasons to consider the CAK40 include:

• 400 mm maximum swing over bed

• 200 mm swing over cross slide

• 400 mm maximum turning diameter

• 850 mm cutting length on CAK4085

• 53 mm spindle bore

• A2-6 spindle nose

• 7.5 kW main motor

• 200 mm chuck

• Vertical four-position turret

• Tailstock support

• Manual or hydraulic workholding options

• Practical flat-bed construction

• Suitable for general engineering and maintenance

• Suitable for small-to-medium batch production

• Straightforward machine architecture


CAK40 Compared with CAK36

CAK36

Current confirmed CAK3665 specification includes:

• Maximum swing over bed: 400 mm

• Maximum turning diameter: 360 mm

• Maximum cutting length: 650 mm

• Spindle bore: 53 mm

• Spindle nose: A2-6

• Chuck: 200 mm


CAK40

Current confirmed CAK4085 specification includes:

• Maximum swing over bed: 400 mm

• Maximum turning diameter: 400 mm

• Maximum cutting length: 850 mm

• Spindle bore: 53 mm

• Spindle nose: A2-6

• Main motor: 7.5 kW

• Chuck: 200 mm


The CAK40 therefore provides a useful increase in cutting length and confirmed turning diameter while retaining a similar spindle and chuck class.


Choose CAK36 when:

• A shorter machine is sufficient

• 650 mm cutting length meets the job

• Compact footprint is more important


Choose CAK40 when:

• 850 mm cutting length is beneficial

• The full 400 mm turning diameter is useful

• Slightly greater general-purpose flexibility is required


CAK40 Compared with CAK50

CAK40

Best suited for:

• General engineering

• Smaller shafts

• Maintenance work

• 200 mm chuck class

• 53 mm spindle bore

• Compact flat-bed CNC turning


CAK50

Better suited where:

• Larger shafts are common

• Larger spindle bore is required

• Larger chuck capacity is needed

• Greater workpiece length is required

• Heavier general engineering work is expected


Choose CAK40 where the workpiece comfortably fits its 400 mm swing and 53 mm spindle-bore platform.

Choose CAK50 where workpiece size or spindle-bore requirements exceed CAK40 capacity.


CAK Series Selection Guide

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


CAK36

Best suited for:

• Smaller general engineering components

• Maintenance

• Repair work

• Compact workshops


CAK40

Best suited for:

• General engineering

• Shafts

• Bushes

• Flanges

• Maintenance work

• Small-to-medium batch production


CAK50

Best suited for:

• Medium-size shafts

• Hydraulic components

• General jobbing work

• Larger general engineering parts


CAK63

Best suited for:

• Larger shafts

• Flanges

• Sleeves

• Mining components

• Heavy workshop turning


CAK80

Best suited for:

• Large shafts

• Heavy sleeves

• Large flanges

• Long industrial components


CAK100

Best suited for:

• Very large diameter components

• Large shafts

• Heavy sleeves

• Large industrial turning


Flat Bed CNC Lathe vs Slant Bed Turning Centre

CAK40 Flat Bed CNC Lathe

Best suited where:

• General-purpose turning is required

• Workpiece variety is high

• Batch size is low to medium

• Tailstock support is useful

• Simple operation is preferred

• Easy maintenance is important

• Live tooling is unnecessary


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 actual workpiece and production process.


Not the Best Fit When You Need

The CAK40 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 slant-bed production is required

• Workpiece diameter or spindle-bore requirement exceeds CAK40 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 control alternatives

• HNC alternatives


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


Typical Standard Equipment

Final standard equipment depends on the selected control package and quotation.

A typical CAK4085 base configuration may include:

• CNC control system

• Vertical four-position turret

• 200 mm chuck

• Manual tailstock arrangement

• Coolant system

• Automatic lubrication system

• Machine enclosure

• Work light

• Basic machine tool kit

• Technical documentation


Common Optional Equipment

Current CAK configuration information lists options including:

• 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 CAK40 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

• 200 mm chuck

• Standard four-position turret

Best where:

• Operators machine varied parts

• 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:

• Tailstock

• Steady rest

• Correct machine length

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 CAK40 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 CAK40 configuration, 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

• Surface finish requirement

• Batch size

• CNC control preference

• Chuck requirement

• Tailstock requirement

• Steady-rest requirement

• Power supply

• Workshop access

• Delivery location


Frequently Asked Questions

Is the CAK40 a turning centre?

No.

The CAK40 is best described as a flat bed CNC lathe.

Its standard four-position turret and conventional 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 currently confirmed CAK4085 specification lists:

• 400 mm


What is the maximum turning diameter?

The currently confirmed CAK4085 specification lists:

• 400 mm


What spindle bore does the CAK40 have?

The currently confirmed CAK4085 specification lists:

• 53 mm


What is the maximum cutting length?

The currently confirmed CAK4085 specification lists:

• 850 mm

Longer CAK40 configurations are referenced in the existing product material, but their exact current model designations and specifications should be confirmed before quotation.


What chuck size does CAK4085 use?

The current technical specification lists:

• 200 mm recommended chuck size


What main motor power does CAK4085 use?

The current technical specification lists:

• 7.5 kW


Which CNC controls are available?

The current CAK configuration information lists:

• FANUC

• Siemens

• GSK

• HNC

Final availability should be confirmed before quotation.


Can hydraulic chuck and hydraulic tailstock be supplied?

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

Compatibility with the selected machine must be confirmed before order.


Can the CAK40 machine stainless steel?

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

The actual workpiece should be reviewed 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

• 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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