Five high-specification yet cost-competitive CNC turning machines to be shown at MACH 2006 - including high capacity, long bed types - suit different production demands - and budgets.
The MACH display being mounted by Ward CNC of Sheffield will include five high-specification yet cost-competitive turning machines to suit the production demands - and budgets - of companies of every size in all industry sectors. Featuring four Takisawa Taiwan lathes that boast 'Japanese quality at Taiwanese prices', plus a heavyweight 4m bed Hankook machine, the machines will complement Ward CNC's MACH display of Hartford machining centres that, like the Takisawa Taiwan portfolio, are hard to match in terms of cost-to-performance ratio. Takisawa Taiwan machines utilise a special one-piece, thermally balanced bed that promotes powerful and stable operation, coupled with four-track super rigid precision linear guideways and high-speed servo turrets.
Fanuc 18i or 21iT CNC feature as standard.
With C and Y axes plus 12 driven tools, the Takisawa Taiwan EX-910 twin-spindle CNC slant bed lathe has X, Y, Z axes travels of 245mm, 160mm and 710mm, as well as 710mm travel in the B-axis (right-hand spindle).
It accommodates bar capacities of 75mm and 52mm (left- and right-hand spindles, respectively) to complement maximum turning diameter and length capabilities of 340mm and 660mm.
The main spindle incorporates oil-cooled Fanuc built-in motor providing exceptional performance for turning and C-axis operations.
Swing over the bed is 680mm, chuck size is 255mm on both spindles, and spindle speeds are up to 3,500 rev/min from the 22/18.5kW motors on both spindles.
Driven tool speed is 4,000 rev/min from a 5.5kW motor.
Rapid traverse rates are 24m/min.
As standard, the machine is supplied with auto tool setting arm, parts catcher and swarf conveyor.
Bar feed systems and collet chucks are options.
With a swing over the bed of 400mm, the Takisawa Taiwan EX-108 has a crosslide travel of 320mm and a between centres distance of 645mm.
Standard turning diameter is 216mm, and with a 203mm chuck the machine has a maximum turning diameter and length of 320mm and 530mm, respectively.
Bar capacity is 52mm and spindle speeds range from 60-4,000 rev/min (7.5/11kW) for the 12-tool turret machine.
Auto tool setting arm, parts catcher, swarf conveyor and programmable quill tailstock are standard; collet chucks and bar feed systems are options.
Two Takisawa Taiwan heavy-duty CNC lathes will be on show - the EX-122 and the TW 46.
Of cast iron slant bed construction combined with extra heavy duty linear guideway technology, the long bed EX-122 universal has maximum turning lengths and diameters of 1650mm and 610mm, respectively, coupled with a 22/26kW motor producing spindle speeds from 12 to 1,200 rev/min.
The EX-122/H variant offers a 30/37kW main motor, which coupled with the standard two-range geared headstock offers excellent power and torque capabilities.
The EX-122 and EX-122/H have a swing over the bed of 910mm and 560mm over the crosslide, as well as X and Z axes strokes of 330 mm and 1650mm, respectively, and a 200mm spindle bore.
Rapid traverse rates are up to 24m/min and the Fanuc 21iT CNC complements the 10-station tool turret to offer users a multitude of machining alternatives on a machine that is fitted with a 533mm (21in) three-jaw hydraulic chuck as standard.
Auto tool setting arm, bar feed interface and swarf conveyor are supplied as standard; bar feed systems and steady rests are optional extras.
Based on similar construction principles, the Takisawa Taiwan TW 46 features a 760mm swing over the bed and maximum turning diameters and lengths of 460mm and 910mm, respectively.
With 250mm in the X-axis and 980mm in Z, the 91mm spindle bore machine features a 318mm chuck (15in) as standard and spindle speeds of 25-2,500 rev/min and rapid traverses of 20m/min.
With a 4m bed, the Hankook Protec 9NC two-axis horizontal lathe is based on a double-walled and ribbed one-piece meehanite cast iron bed with induction hardened and ground precision slideways for maximum stability and accuracy.
The large spindle bore (up to 254mm) twin chuck machine has a 950mm swing over bed, 630mm over carriage and 4000mm between centres (options up to 8000mm available).
It features a Fanuc 21i-T CNC, which offers semi-CNC manual guidance and teach facility.
At MACH, Ward CNC will also have details available of its extensive ranges of Soraluce milling, Toshulin VTL and Union milling and boring centres.
Wednesday, May 17, 2006
CNC lathe has NC electric tailstock
Latest production CNC turning machine features a NC electric tailstock that delivers quick set-up with no manual intervention.
Quick Turn Nexus - the solution to the problem The Quick Turn Nexus series of turning centres from Yamazaki Mazak combines those crucial elements required in today's modern manufacturing environment - namely advanced technology, productivity and value for money. In designing the Quick Turn Nexus range Mazak completed a thorough review of the basic machine components and used state-of-the-art design technology to arrive at a range of turning centres ideally suited to meet the production needs of businesses large and small. At MACH 2006 the range will be represented by the recently introduced Quick Turn Nexus 350MY.
This single 30kW/3300 rev/min spindle machine has a machining capacity of 420mm diameter by up to 1538mm long.
It also benefits from the inclusion of a NC electric tailstock that delivers quick set-up with no manual intervention.
The tailstock provides accurate support even for components that can only be supported by low-thrust force.
Positioning and thrust force is achieved using servo motors and are programmable.
Each position in the 12 station drum-type turret can be used for rotary tools, which are driven by a 7.5kW/4000 rev/min motor.
The versatility of the QTN350MY is complemented by the addition of a 150mm Y-axis, further expanding the machine's possible application areas.
Power is matched by agility, with the X and Z axes having rapid traverse rates of 30m/min and 25m/min respectively.
The resulting fast, vibration-free acceleration/deceleration is due to the use of high-gain servo-control and high-power AC servo motors.
Control is provided by the Mazatrol Fusion 640T Nexus CNC unit that features the easy-to-use Mazatrol conversational programming format.
As a result programming time and program length are considerably reduced and editing of existing programs is simplified.
Additional benefits of the Mazatrol Fusion control are its ability to accept modification of programs with minimum editing, cutting conditions are determined automatically by the automatic cutting condition function, edited cutting conditions are stored and recalled when the same material is used again.
Quick Turn Nexus - the solution to the problem The Quick Turn Nexus series of turning centres from Yamazaki Mazak combines those crucial elements required in today's modern manufacturing environment - namely advanced technology, productivity and value for money. In designing the Quick Turn Nexus range Mazak completed a thorough review of the basic machine components and used state-of-the-art design technology to arrive at a range of turning centres ideally suited to meet the production needs of businesses large and small. At MACH 2006 the range will be represented by the recently introduced Quick Turn Nexus 350MY.
This single 30kW/3300 rev/min spindle machine has a machining capacity of 420mm diameter by up to 1538mm long.
It also benefits from the inclusion of a NC electric tailstock that delivers quick set-up with no manual intervention.
The tailstock provides accurate support even for components that can only be supported by low-thrust force.
Positioning and thrust force is achieved using servo motors and are programmable.
Each position in the 12 station drum-type turret can be used for rotary tools, which are driven by a 7.5kW/4000 rev/min motor.
The versatility of the QTN350MY is complemented by the addition of a 150mm Y-axis, further expanding the machine's possible application areas.
Power is matched by agility, with the X and Z axes having rapid traverse rates of 30m/min and 25m/min respectively.
The resulting fast, vibration-free acceleration/deceleration is due to the use of high-gain servo-control and high-power AC servo motors.
Control is provided by the Mazatrol Fusion 640T Nexus CNC unit that features the easy-to-use Mazatrol conversational programming format.
As a result programming time and program length are considerably reduced and editing of existing programs is simplified.
Additional benefits of the Mazatrol Fusion control are its ability to accept modification of programs with minimum editing, cutting conditions are determined automatically by the automatic cutting condition function, edited cutting conditions are stored and recalled when the same material is used again.
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