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CNC SWISS LATHE

CNC SWISS LATHE

SD-32
SD-42

SD-32 and SD-42 CNC Swiss-type lathes offer a quantum leap in performance for machining complex parts complete in
single setup.

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Features

Increased backworking capability

Back spindle has been re-designed to have full range of motion in X and Z axes, allowing access to a new backworking toolpost.

Powerful Mitsubishi built-in motor spindles

Built-in motor spindles for both main and back spindles deliver quiet and reliable operation as well as fast response.

Breakthrough in spindle capacity for Swiss

With the introduction of SD-42 maximum bar capacity in this machine series has been increased to 42mm (1.65”) which is a breakthrough for Swiss turning.

Modular backworking toolpost

Each of the 4 stations on the backworking toolpost can hold either live or fixed tool. The modular design presents the user with more setup flexibility from one job to another.

SD models come with C-axis on both main and back spindles

The SD models are designed for milling, drilling and engraving with live tools. The C-axis is programmable in 0.1 degree increments. C-axis can interpolate with other linear axes for complex and precise tool motion.

Hydraulic disc brakes improve rigidity

Disc brake clamping is a standard feature on both main and back spindles on SD-32/SD-42 to provide rigidity in drilling operation. Furthermore, two-stage brake clamping system is available as an option to enhance stability in milling operation.

Mitsubishi M70 2-channel control

The 2-channel control allows 2 independent toolpaths and provides machining on main and back spindles simultaneously. New high resolution LCD display and faster processing further increase operator productivity.

Increased maximum tool load from 26 to 31

The addition of a new backworking toolpost increases maximum tool load from 26 to 31. Keeping more tools on the machine helps reduce setup time for future jobs and increases flexibilty in coming up with different machining strategies.

Parts catcher and parts conveyor

Removing finished parts from SD-32/42 is easy as the lathe comes with parts catcher and conveyor.

Long machining length and wide tooling zone

SD-32/SD-42 can handle workpieces as long as 250mm (9.8”) without re-chucking. The wide tooling zone has the benefit of making tooling setup easiser and faster, making it easy to discharge parts at the front even for long parts as well as making chip disposal eaiser.

Convertible to Chucker in Minutes

With the rough material chucking option, a user can easily convert SD-32/SD-42 to run without the guide bushing. For parts with less overhang (machining length less than 3 times the bar diameter ), the rough material chucking option allows the main spindle to extend into the cutting area. This added capability lowers running costs by

  • 1. leaving a shorter bar remnant and
  • 2. allowing the use of less expensive non-ground bar stock (as much as 0.1mm bar tolerance).


Changing from one configuration to another only takes minutes, allowing the user to choose to run the machine either with or without guide bushing as the needs change.

Features

Increased backworking capability

Mitsubishi built-in AC spindle motors on both main and back spindles

Mitsubishi built-in AC spindle motors on both main and back spindles

High precision built-in motor spindles from Mitsubishi deliver 10,000 rpm high speed and high torque throughout rpm range. The motor is an integral part of the spindle shaft and housing assembly. This allows spindle to rotate at higher speeds as a complete unit. The recently developed AC synchronous motor spindle offers higher efficiency, lower heat and higher torque.

Available in 12, 16 or 20 mm bar capacity

SD series covers different bar diameter sizes to match customer needs. SD-12, SD-16 and SD-20 offer 12, 16 and 20 mm bar capacities, respectively.

Modular “Combo” toolpost for backworking

The 4-station backworking toolpost is a modular setup that can hold either driven, or fixed tools or a mixture of both. It presents the user with more setup flexibility from one job to another.

C-axis on both main and back spindles

The SD-series is fully capable of milling, drilling and engraving with live tools. It comes with 0.1 degree C-axis as standard on both turning spindles. The full, continuous C-axis can interpolate with other linear axes simultaneously for helical and other complex tool motion.

Hydraulic disc braking on both main and back spindles for extra stability

Hydraulic disc braking is a standard on both main and back spindles. This feature can turn the spindle into an highly rigid indexer. There is also an option for two-stage hydraulic braking system that can stabilize the spindle without it being completely clamped to a stop.

Mitsubishi M70 2-channel CNC control

The new and improved Mitsubishi M70 CNC control is a 2 channel control that allows 2 independent toolpaths and provides machining on main and back spindles simultaneously. New high resolution LCD display and faster processing speed further increase user productivity.

Maximum of 30 tools

The addition of a new backworking toolpost increases maximum tool load from 26 to 30. Keeping more tools on the machine help reduce setup time for future jobs.

Tooling Layout

  • 7-axis control.
  • Up to 30 tools.
  • Built-in motor spindle for both main and back spindles.
  • Runs with or without guide bushing.

Convertible to Chucker in Minutes

With the rough material chucking option, a user can easily convert SD series to run without the guide bushing. For parts with less overhang (machining length less than 3 times the bar diameter ), the rough material chucking option allows the main spindle to extend into the cutting area.


This added capability lowers running costs by

  • 1.leaving a shorter bar remnant and
  • 2.allowing the use of less expensive non-ground bar stock (as much  as 0.1mm bar tolerance).


Changing from one configuration to another only takes minutes, allowing the user to choose to run the machine either with or without guide bushing as the needs change.

SD-32 swiss-type automatic lathe demo at IMTS 2010

Machine Specifications

Driven tool motor 0.75 kW 1 HP 0.75 kW 1 HP


ITEM SD-32 SD-42
Working range Maximum turning diameter Ø32 mm 1.25 in Ø42 mm 1.65 in
Max machining length per chucking 250 mm 9.84 in 250 mm 9.84 in
Maximum drilling diameter Ø15 mm 0.59 in Ø15 mm 0.59 in
Maximum tapping diameter M12 M12
O.D. tools Number of tools 6 5
Tool Size 16 x 16 x 120 mm 16 x 16 x 120 mm
I.D. tools Number of tools 4 4
Tool size 10 mm (ER16) 10 mm (ER16)
Cross working live tools Number of tools 6 6
Tool size 13 mm 1/2 in (ER20) 13 mm 1/2 in (ER20)
Speed 200~6,000 rpm 200~6,000 rpm
Front working live tools Number of tools 3 3
Tool size 13 mm 1/2 in (ER20) 13 mm 1/2 in (ER20)
Speed 200~6,000 rpm 200~6,000 rpm
Back I.D. fixed tools Number of tools max 4 + 4 4 + 4
Tool size 13 mm 1/2 in (ER20) 13 mm 1/2 in (ER20)
Back working live tools Number of tools max 3 + 4 3 + 4
Tool size 13 mm 1/2 in (ER20) 13 mm 1/2 in (ER20)
Speed 3,000 rpm 3,000 rpm
Main spindle Spindle speed range 200 ~ 6,000 rpm 200 ~ 6,000 rpm
Spindle contouring C axis 0.1° C axis 0.1°
Back spindle Spindle speed range 200 ~ 8,000 rpm 200 ~ 8,000 rpm
Max length for front ejection 250 mm 9.84 in 250 mm 9.84 in
Indexing – back spindle C axis 0.1° C axis 0.1°
Rapid traverse X1, Y1, Z1, X2, Z2 30 m/min 1181 ipm 30 m/min 1181 ipm
Motors Spindle motor 5.5 kw 7.4 HP 5.5 kw 7.4 HP
Back spindle motor 5.5 kw 7.4 HP 5.5 kw 7.4 HP
X1,Y1,Z1,X2,Z2 axes motor 1.1 kw 1.5 HP 1.1 kw 1.5 HP
Coolant pump motor 0.25 kw 0.3 HP 0.25 kw 0.3 HP
Lubrication motor 4 watt 0.0054 HP 4 watt 0.0054 HP
Machine Dimensions Center height 1,050 mm 41 in 1,050 mm 41 in
Weight 3,030 kg 6,680 lbs 3,230 kg7,120 lbs
Machine size 2,500×1,280×1,780 mm
98.43×50.39×70.08 in
2,500×1,280×1,780 mm
98.43×50.39×70.08 in
Air Air presure 5 kg/cm2 71 psi 5 kg/cm2 71 psi
Air supply 10 L/min 0.35 cfm 10 L/min 0.35 cfm