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New CMZ TA lathes meet the widest range of requirements

New CMZ TA lathes meet the widest range of requirements

Added to MTDCNC by MTDCNC on 03 March 2014

CMZ will be showcasing its latest TA range of turning centres at MACH on Stand 5330, with two examples on show. These include 66mm and 77m bar capacity machines, both with Y-axis and powerful milling capabilities.

The smaller TA 20TY- 640 machine features a 640mm Z-axis, while the larger TA30Y-1100 has a 1100mm Z-axis.

The new CMZ TA range has been designed to meet the widest possible range of customer requirements on a small machine – including Y-axis milling, powerful driven tools, as well as a wide choice of bed lengths and bar capacities.

The machines are all rigidly built for accuracy and durability, with box-section guideways on the X-, Y- and Z-axes and an ultra-rigid Y-axis design.

The range covers five possible machine configurations, including a standard two-axis, turning only lathe, a turning and milling version, a turning and milling version with Y-axis, a sub-spindle version and, at the top of the range, a Y-axis turning and milling machine with sub-spindle.

Except for the sub-spindle versions, all machines can be fitted with a programmable servo-driven tailstock for speed and versatility.

The range covers bar sizes from 52mm to 77mm, and every machine is available in three bed lengths, with Z-axis options of 400mm, 640mm and 1,100mm. The ability to combine a sub-spindle with a 1,100mm Z-axis is unusual for this type of machine and makes the TA an attractive option for the accurate machining of long shafts.

A key feature of the TA range is the speed and power of the driven tools. These offer 12,000 rpm as standard – about twice the speed of competitive machines. This high speed is combined with exceptional power, with 11kW available to deliver up to 75Nm of torque. Each of the 12 turret stations can accommodate driven tools.

For extra strength and rigidity, the Y-axis uses a wedge design that moves in and out to move the turret up and down.

As with all of CMZ’s lathes, a gantry loading system is available as an option on all TA machines.

CMZ’s gantry loading capabilities will be demonstrated on the stand on a TC Series machine with driven tooling, Y-axis and sub-spindle.

The 10” chuck TC25YS sub-spindle machine on show combines a 16-station turret and 17kW driven tool power with a generous 140mm stroke Y-axis, making it a very capable machine for serious milling and drilling applications.

A further TC series machine will be on the stand including a 350mm chuck model with 1350mm X-axis fitted with servo steady.

The final machine on the Stand is CMZ’s is the TX66 Y3 twin-spindle, three-turret, multi-axis mill-turning centre. This highly capable machine can produce extremely complex components – cylindrical and prismatic – completely machined in one operation with extremely fast cycle times.
The TX66 Y3 features twin C-axis spindles and three 12-station turrets all with Y axis, powerful 6,000 rpm, 18kW driven tooling and half-index capability.


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