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SUPER-PRECISION-Hero

Hardinge SUPER-PRECISION®

For decades customers have known that when you need to hold the tightest tolerances or have hard to manufacture parts, then Hardinge is the partner you want on your side!

SUPER-PRECISION®

Precision for the highest demand.

Our latest T-Series CNC lathes from Hardinge not only continue this long tradition but they take our precision capabilities to new heights.

Hardinge SUPER-PRECISION

What is SUPER-PRECISION®?

Super Precision

 

SUPER-PRECISION® is a combination of best practice design and manufacturing of hardware and software integrated into a machine tool that produces the highest level of precision turning centers for production that require the least amount of human intervention in the marketplace today.

Key differentiators that set Hardinge SUPER-PRECISION® Turning Centers Apart:

 

In Design:

  1. High static stiffness defined by SP accuracy requirements. It was qualified by Finite Element Analysis.
  2. High dynamic stiffness defined by SP roundness and surface finish requirements. It was qualified by Structural Dynamic Analysis.
  3. Composite Harcrete reinforced cast iron (Meehanite) base for superior torsion and bending stiffness and vibration damping.
  4. High precision spindle bearings for collet-ready spindle design
  5. High quality and oversized linear guides and ball screws
  6. High accuracy (0.01micron resolution) digital glass scales
  7. Robust control/wraparound motor/drive package with 0.1 micron (0.000010) resolution.
  8. Turret with BMT Topplate for high stiffness (rigidity)
  9. Built-in thermal management system (fans, chillers, strategically placed insulation) for machine thermal stability.
  10. Detached utilities platform to reduce the effect of heat and vibration from control and hydraulic system has on machine accuracy.

 

In Manufacturing and Inspection:

  1. Scraped joints for high stiffness and accuracy
  2. Ground surfaces for linear rails for high straightness of linear motion
  3. Two plane dynamic balancing of the spindle assembly resulting in parts with high roundness and surface finish
  4. Laser inspection and compensation of positioning and straightness for X, Y, and Z axes
  5. Ball bar testing for superior geometric accuracy verification.
  6. Minimum step incremental test to verify machine drive system compensation capabilities.

 

Resulting Performance:

  1. High accuracy of machine geometry: (ISO 230 Standard)
    • up to 2 micron( 0.000080) X position accuracy;
    • up to 3.5 micron( 0.000140) Z position accuracy;
    • up to 2.5 micron( 0.000100) X straightness;
    • up to 2.5 micron( 0.000100) Z straightness;
    • up to 2.5 micron( 0.000100) Z axis alignment to spindle axis.
  2. High roundness (circularity) capability – up to 0.25 micron (0.000010″);
  3. High cylindricity capability -up to 0.5 micron (0.000020″)*;
  4. High surface finish capability -up to 0.15 micron (0.000006″)*;
  5. Unequaled hard turning capability
  6. Unmatched straightness and position compensation capabilities

 

Providing You:

The most accurate parts coming off a production turning center IN THE WORLD

* May differ depending on machine size and spindle capacity

There are many factors that are involved in maintaining SUPER-PPRECISION tolerances which we will be happy to discuss with you. Please fill out the contact form to request more information or ask our experts a questions by clicking here:

 

Defining the SUPER-PRECISION® Market

 

SUPER-PRECISION Market

Precision Hard Turning

For decades Hardinge has been the leader in Hard Turning. Here you will find just some of the experience and information we have on Hard Turning.

Let our team of application engineers work with you to prove that when Hard Turning needs to be done, Hardinge is the right partner to use.

A sample Hard Turning Part is below:

Hard Turning Part

Material: M2 Tool Steel –1″ Bar
Hardness: 62 Rockwell C
Application: Machine Complete From Pre-Hardened Bar
Stock Removal: .1875″ per side (total)
Tolerance: ± .0002″
Surface Finish: 6 RA
Machine: Hardinge T42SP with sub-spindle
Cycle Time: 5 minutes 50 seconds

 

Tooling:

Rough Turning:
Kennametal: CNGA-434T–K090
Finish Turning:
Kennametal: CNMA 432S 0420–KD050
Cutoff:
Kennametal: GC4125–KD120

 

What is Hard Turning?

Hard Turning

Hard turning is defined as the process of single point cutting of part pieces that have hardness values over 45 Rc. Typically, however, hard turned part pieces will be found to lie within the range of 58-68 Rc. The hard turning process is similar enough to conventional soft turning that the introduction of this process into the normal factory environment can happen with relatively small operational changes when the proper elements have been addressed.

Part Materials applicable to Hard Turning

The typical materials which are routinely used in hard turning include those of the following broad category descriptions:

  • Steel alloys,
  • Bearing steels
  • Hot and cold work tool steels
  • High speed steels
  • Die Steels
  • Case hardened steels
  • Waspoloy, Stellite and other aerospace alloys
  • Nitrited irons and hard chrome coatings
  • Heat treatable powered metallurgy

Should you Hard Turn or Grind?

Grinding shops should consider Hard Turning to help reduce setup and cycle times.

Comparison Chart
Video Library

SUPER-PRECISION® Hard Turning T-Series Turning Centers

The Hardinge SUPER-PRECISION® turning centers are designed and built for superior part roundness, the ultimate in surface finish, and minimal total part size variation, making them the most accurate production turning centers on the market:

06:42


SUPER-PRECISION® GT27 SP Turning Center

Demonstration of a Hardinge GT27 SP SUPER-PRECISION® Turning Center (lathe). 8 micro-inch part surface finish, .000015″ part roundness and .0002″ continuous machining accuracy can be achieved.

01:28


T5 SP SUPER-PRECISION® Turning Center with Automation

The Hardinge T51 SP turning center is equipped by Gosiger Automation with a Fanuc M10-iA robot and a Renishaw “Equator” comparative gauging system.

01:44


Hardinge SUPER-PRECISION® T-42 Turning Center

07:50


SUPER-PRECISION® Quest CHNC 42

02:37

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Hardinge SUPER-PRECISION® Product Brochure

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Hardinge

Hardinge is the leading metal machining provider, providing a broad range of highly reliable turning, milling, grinding and workholding solutions unmatched in the industry.

Our Brands

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Contact Information

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Suite 410,
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+1 800 843 8801

info@hardinge.com

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