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Hardinge sub-micron precision with surface finishes in the realms of 0.5 microns
Hardinge sub-micron precision with surface finishes in the realms of 0.5 microns

Hardinge sub-micron precision with surface finishes in the realms of 0.5 microns

Added to MTDCNC by Engineering Technology Group on 15 June 2015

Recently introduced to the UK marketplace, the new Hardinge Conquest H51 turning centre gives manufacturers the option of purchasing a high precision (HP) machine or a Super Precision (SP) variant for end users demanding sub-micron precision with surface finishes in the realms of 0.5 microns.
 
The renowned Hardinge brand has named the high precision H51 the ‘ultimate bar machine’ as it features a 20hp, 5000rpm A2-152mm main spindle with a 50.8mm bar capacity. It offers a generous maximum turning diameter of 312mm and a maximum turning length of 647mm. The 12 station turret offers a ½ station index that can support up to 24 tool positions. The machine offers a wide variety of standard features such as through-tool coolant, bar feed and chip conveyor interfaces, three position stack light, PSMCIA memory card, rigid tapping and state-of-the-art machine crash protection.

The machine is offered in a number of configurations depending on the selected option, with extras including a tailstock, live tooling, a sub spindle and a Y-axis to enhance flexibility for the end user. Designed with accuracy and flexibility in mind, both the SP and HP machines have a programmable resolution of 0.1μm. The SP version of the machine features linear scales in the X-axis and scales are available on the Y and Z axis as well. Featuring the Hardinge quick change collet-ready spindle, as with all Hardinge SP machines, the H51 machine sets the standard for super precision turning.

The performance specifications are impressive with part roundness on the main spindle maintained at 0.5 microns; continuous machining accuracy deviation on the workpiece diameter is within 0.5 micron and part surface finish on the main spindle is 0.25 microns. From a flexibility standpoint, the Conquest H51 is offered with either a Fanuc 0i-TD or Mitsubishi M720V control that are both packed with innovative programming features.

On the new product introductions, Gordon Coates – Senior Pre-Sales Engineer at ETG comments: 'This new product re-enforces Hardinge’s leadership in the field of high-precision and Super Precision turning as well as its commitment to producing the highest quality machines. ETG’s partnership with Hardinge is an on-going success story and these new machines are welcome additions to the product portfolio.'

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