The Puma 2600 SY II is a welcome addition to Doosan Machine Tools’ collection of high-productivity turning centres. The turning centre is a high-perforᴍᴀɴce, 10-inch class, sub-spindle horizontal turning centre made for a variety of difficult-to-machine materials. According to the ᴍᴀɴufacturer, a study was done to improve every aspect of the previous model, and an outcome is a machine that is well-suited to handle the most difficult tasks.
The bed of the Puma 2600 SY II is made with outstanding firmness and accuracy in mind. The effects of thermal deformation are reduced by 60–70% compared to the previous model using a standard active thermal compensation system, which consists of six sensors that measure temperature at each location and feed it into the machine control to account for structural changes brought on by heat growth. All of the axis box guideways on the carriage have been fitted with NTN sliding bearings, enhancing fine movement by more than 40% and wear resistance by more than 30%. For increased rigidity, the feed box and X-axis bearing mount have been strengthened.
The Puma 2600 SY II should be considered by shops that frequently handle difficult work, according to Jim Shiner, director of sales and marketing at Doosan Machine Tools America. It was created from the ground up to be Exᴛʀᴇᴍᴇʟʏ precise and dependable without being expensive. A single setup is used to produce complex parts, which eventually saves time and improves profitability.
A smooth, quick ramp-up and better acceleration are all provided by the built-in spindle, which also reduces vibration. It has a maximum output of 599 Nm (442.1 foot-pounds) of torque and 22 kW (30 horsepower). The spindle bearings’ structure was altered from four angular ball bearings to two angular contact balls plus two taper roller bearings, which improved spindle run out (6 microns). This design improvement provides greater radial load capacity for heavy cutting perforᴍᴀɴce in addition to better precision.
Additionally, the 12-station milling turret has been rebuilt for higher clamping power, increased longevity, and decreased tool runout. The maximum torque for the 10-hp rotary tool drive motor is 70 foot-pounds, and it can consistently maintain 25 foot-pounds of torque between 425 and 5,000 rpm. Long boring bar overhang ratios, good stiffness for heavy chip removal, fine surface finishes, and increased tool life are all claimed benefits of BMT tooling. Additionally, the time needed to index a turret has been shortened—1.2 seconds for a full index and 0.15 seconds for a single-station swivel.
Let’s see CNC Machining This Titanium Part in a Single Op on Dual Chuck, Live Tool Doosan Puma 2600 SY II in the ᴀᴡᴇsome video below.
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