HNS Technical Development Co. Ltd.
Gesztenyefa 4., Győr, 9027 Hungary
Phone: (96) 506-930
Fax: (96) 506-931
e-mail spc@hns.eu

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HNS SPC

Dynamic measurement of axial parts

The HNS SPC supports directly with built-in functions the usage of measuring devices can be assembled from elements widely used in axial part measuring techniques. The short series manufacturing quality control can be made highly cost-effective with usage of reusable elements in product line of different producers.

The description of measurements in measuring device of axial parts, the definitions and settings necessary to the measurement – like simple manual measurements – must be specified in the MPG (measuring task) of HNS SPC.

After the start of the given part measurement the program continuously measures the part characteristics was given in the MPG, and continuously displays the measured and calculated values. Each value is illustrated in bar graphs and readable also as numerical values. The program illustrates with easy interpretation the measured values in the bar graph according to the specification (tolerance) of the given characteristic, between the tolerance limits.

Besides the measurement conduction and the physical measurement the program has any other function necessary to make similar measurements.

• Individual calibration of probes (linearization), by which the linearity default of the inductive measuring probes can be corrected up to the full physical measuring range.
• Measuring device calibration function necessary to the relative measuring mode - definition of the measured value based on the measurement of the difference related to the master (etalon) part with known size.
• The measuring device calibration function supports the handling of the ID of the etalon part required for usage.
• The program records and monitors the validity of the measuring device calibration and after the validity period automatically asks for recalibration.
• Other functions necessary to set measuring probes and to detect the condition of measuring device as well as gross errors (damage of measuring system, usage of not-convenient master piece, damage of master piece).

Built-in function library

The HNS SPC supports the dynamic measurement standards with built-in function library. The following table shows the program functions useable for descriptions of form, direction, position and run-out tolerance according to ISO 1101/1995 standard.

Supported characteristics
	Diameter
	Circularity
	Cylindricity
	Base line referred parallelity
	Base surface referred parallelity
	Perpendicularity
	Concentricity
	Coaxiality
	Radial run-out
	Total radial run-out
	Axial run-out
	Total axial run-out
	Distance

Parts of measuring arrangement:

• measuring device (universal measuring stand can be assembled from standard elements),
• measuring system appropriate for piece and measuring requirements,
• LVDT (inductive) probes or Digimatic* indicators or linear gauges,
• LVDT or Digimatic interfaces,
• foot-pedal or other switch to start/stop the measerement process,
• computer (PC, Microsoft OS) with enough COM and/or USB connectors,
• HNS SPC (V5.5.15 or later).

* Digimatic measuring gauges (dial indicators or linear gauges) can also be applied beside the LVDT (inductive) measuring probes. By using Digimatic gauges it has to be taken into consideration that the Digimatic interface allows only limited-speed communication!

Measuring modes:

• dynamic measurements in measuring device,
• static measurements in measuring device,
• simple measurements using the gauges manually (e.g. caliper, micrometer, etc.),
• continuously (all of parts) measurements with automatic SPC sampling.

Data management features:

• measuring results are assigned to the product and to the production tool (production cell, machine, head, etc.),
• re/measuring possibility, automatic measurement validity control,
• visualization of the measured values during the measuring process,
• overview and follow-up modification possibility of measured results after the measurement completion.

Other features

• The program also supports the using of double-sided measuring stands (calibration by stand sides and measurement of the part by side of the measuring stand in two steps).
• Measurements can be grouped, so beside the dynamic part measurement the common treatment of even more static measuring device and simple manual measurements are realizable by one measuring task.
• The program supports the all parts measuring mode. In case of all parts measurement all results of each part get into a log can be processed with external programs. The program supports the automatic SPC sampling based on measurements made in all parts measuring mode and the automatic records in SPC database of automatically extracted SPC samples.

Attention!
We provide on your request the planning of measuring arrangement, selection the convenient probes, interfaces and accessories, setting-up, testing and training of usage of the measuring station.
Ask for our help also in field of capability tests related to your measuring arrangements!

 

HNS Technical Development Co. Ltd. • Gesztenyefa 4, Győr, 9027-Hungary | HNS ® • Copyright © 2009-2012 | HNS SPC • Copyright © 1989-2012 | All rights reserved.