Calibration of data acquisition system measurement of weld parameters
The purpose of this talk was to outline the calibration and use of the MacSym Data Acquisition System to measure welding parameters in the Tritium Facility`s pinch welders. The point was stressed at the outset of the presentation that these parameters measured are not in any way the final criteria for accepting or rejecting a weld. Rather, the physical dimensions of the weld are the basis for accepting a weld, namely the thickness and closure length. So these welding parameters serve as ranges and boundaries to stay within in order to give the highest level of repeatable success. The seven weld parameters measured are: piston pressure, line pressure, motion, current, energy, line voltage, and force. Each of these measurements are made with installed equipment that is calibrated with standards that are traceable to NBS (National Bureau of Standards). In turn, the DAS is calibrated by adjusting the software to match the installed equipment in its measurements. Also, the DAS provides continual monitoring and display of the weld parameters before and after the weld has been made. A printout is also given of parameters during the weld to give further record of weld data to back up installed measurement instruments not connected to the DAS.
- Research Organization:
- E.I. du Pont de Nemours and Co., Savannah River Plant, Aiken, SC (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC09-89SR18035; AC09-76SR00001
- OSTI ID:
- 353205
- Report Number(s):
- DP-MS-88-223; CONF-8810225-; ON: DE99002875; TRN: AHC29923%%36
- Resource Relation:
- Conference: 68. meeting of the IMOG subgroup on gaging, Aiken, SC (United States), 12-13 Oct 1988; Other Information: PBD: [1988]
- Country of Publication:
- United States
- Language:
- English
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