Ways for speeding up pneumatic testing of dimensions

Kurochkin, A. P.; Tsidulko, F. V.

doi:10.1007/bf00988732

Cited by 1 publication

(2 citation statements)

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“…In the early developments of pneumatic gauging systems, analogue pressure transducers were utilized such as Wheatstone bridges attached to a bellows and fixed resistor to obtain digital signals [20,21]. Techniques for speeding up pneumatic testing of dimensions spans back as far as 1966 in the work of Kurochkin and Tsidulko [22] when they proposed the idea that pneumatic gauging techniques could be applied for in-process measurement. Developments in pressure transducer technology have lead to surface characteristics being detected by pneumatic dimension measurement systems.…”

Section: Pneumatic Methodsmentioning

confidence: 99%

“…During static tests, Wager investigated a rectangular nozzle head (0.2 mm x 2.5 mm) that utilized an anvil to maintain a stand-off distance of 20 llm and found a linear relationship between the roughness of the surf:lce and the gauge readings for roughnesses ranging from 3.8 llm to 22.9 llm Ra. Wagner daimed that the dynamic tests were able to confirm that the motion of a smooth work swface past the gauge nozzle had very little effect on the pneumatic gauging circuit.…”

Section: Pneumatic Methodsmentioning

confidence: 99%

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Pneumatic non-contact roughness assessment of moving surfaces

2009

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All machined surfaces inherently have roughness. The level of control of this surface is dependeat on the specifications outlined for its intended use. In strictly controlled situatiom, the monitoring and characterization of these surfaces becomes increasingly important to ensure that each component conforms to specifications. For this reason, the need f,)r in-situ monitoring systems has increased in order to optimize manufacturing time and minimize generated scrap for companies to remain competitive in industry. Current in-situ roughness monitoring systems, such as optical methods, are limited by the harsl: environments in which these systems are required to operate and the requirement for highly reflective materials. Accordingly, the need to develop a more robust system is required. The objective of this work was to develop and test a noncontact surface roughness characterization system which can be implemented into a machining center in order to provide in-situ measurements where currently available methods are rendered inappropriate.

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Section: Pneumatic Methodsmentioning

confidence: 99%

Section: Pneumatic Methodsmentioning

confidence: 99%