TPT-January-2015

Technology News

Tube bending machines OP has introduced the new C50EL and C22EL bending machines which are dedicated to processing hydraulic tubes. Both machines are suitable for bending tubes up to 180° in both stainless steel (AISI 316 TI) and carbon steel (ST 37.4) with the distinctive characteristic of having a different ability: the C50EL model allows machining up to a 50mm maximum external diameter while the C22EL version allows bending up to a 22mm diameter. The adjustment of the desired angle is an intuitive operation thanks to the graduated protractor that is simple to read and set; the change of tools is particularly quick and it does not require the help of any tool. Besides the use buttons, the machine control panel is completed by the LED alarms for setting adjustment and system malfunctions. Pedal and special voltage are available upon request. OP – Italy Website: www.op-srl.it

The OP bending machine in operation

Precision all-electric tube hone SUNNEN’S new HTR all-electric job-shop tube hone combines servo precision and cycle-automation features with constant spindle power and 0.1mm (0.004") stroke repeatability to efficiently hone blind bores or correct tight spots in a bore without operator intervention. Designed and equipped to hone the wide variety of parts encountered in a job shop, the machine handles bore IDs up to 900mm (35.41"). Its modular design can be configured for stroke lengths from 2.5 to 14m (8 to 46.2ft). For job-shop versatility and Tool overload monitoring ensures optimal stock removal rates, while protecting the tool and workpiece. Precision stroke position and repeatability are ensured with a servo rack-and-pinion stroking system. The spindle carriage is driven at speeds of 0.1 to 48m/min (4" to 157ft/min) on hardened and ground ways with a 10.2kW (13.6 HP) servomotor, giving the machine power to handle super- abrasives for fast material removal.

overload protection, spark out, spindle jog and short stroke. The control can store up to 900 different part programs and be configured for 13 languages. The HTR’s optional easy-to-setup fixturing is available in two ranges, for 40 to 600mm parts (1.6" to 31.8"), or 50 to 810mm parts (2" to 31.8"); part weight capacities are 6,000kg (13,230lb) and 8,000kg (17,640lb), respectively. The fixtures ride on a linear bearing system to allow easy positioning. Multiple coolant system configurations are available to tailor for process requirements. Other options include in- process gauging, tapered-bore capability, part rotation device, moving steady rests for 2m and 4mmodels, two-stage honing, air conditioned electrical cabinet and CE- compliant safety system. Sunnen Products Company – USA Fax: +1 314 781 2268

The HTR’s design eliminates hydraulics to reduce maintenance, noise, leakage and heat, as well as system hysteresis due to heating of hydraulic oil. The machine’s 305mm (12") Windows touchscreen PC control manages all machine functions, including stroke speed/position, tool feed, spindle speed, stone wear compensation and cutting pressure. Standard control features include size lock, automatic bore geometry correction, recommended set-ups, tool

productivity, the HTR’s 12kW (16 HP) spindle motor, combined with a four-step gearbox, produces a constant power band through the entire speed range of 10-470 rpm for fast metal removal. The standard servo rotary tool feed can also function as a push-feed system with an optional drive shaft that converts rotary to linear motion, allowing the machine to handle the full range of Sunnen heavy- duty and two-stage tools.

Email: sales@sunnen.com Website: www.sunnen.com

Sunnen’s HTR tube hone

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J anuary 2015