Tuesday, January 18, 2011

[MW:9308] Re: Calibration of Welding m/c.

For everyones info, BS 7570 is no longer valid but is replaced by BS-
EN 50504: 2008

Best Regards,

Herman Pieper

On 18 jan, 11:17, DOKKU AJAY <akd...@yahoo.com> wrote:
> Please also refer standard for calibration & validation of such equipments i.e.
> BS 7570. 
>
> The purpose is to check whether the parameters indicated on the equipment is
> same or close to the output. The acceptable tolerance on the parameters i.e.
> volts, amps, wire feed rate etc. are prvodied in above stated standard.
>  Dokku Ajay Kumar
> Mobile: +966 500071054
>
> ________________________________
> From: hpi001 <pieper-...@kpnmail.nl>
> To: Materials & Welding <materials-welding@googlegroups.com>
> Sent: Tue, January 18, 2011 12:18:58 PM
> Subject: [MW:9296] Re: Calibration of Welding m/c.
>
> Dear Sir,
>
> In the past it was not required to calibrate your welding equipment
> but it was the responsibility of a manufacturer to execute such. So
> manufacturers with comprehensive quality requirements or who are
> welding critical materials and want to be sure the equipment delivers
> the chosen parameters did perform this already for many years. Today
> more and more specifications require calibration of equipment on a
> annual base, this is not only for actual production but also for WPS
> qualification.
> For example when your production facility must be approved according
> to ISO 3834 (quality assurance of production process) this is one of
> the requirements.
> As already mentioned by msms you need to ensure parameters shown on
> the displays are correct in order to guarantee proper heat input.
>
> Best Regards,
>
> Herman Pieper
>
> On 18 jan, 08:28, prashant pansare <prashantpan...@yahoo.co.in> wrote:
>
> > Dear all,
> > Why we need to have calibration certificates of welding machines prior to start
> >of fabrication activity?
> > As we can qualify WPS without the same.
> > Pl. reply.
> > Thanks & Regds,
> > PSP
>
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> The views expressed/exchnaged in this group are members personel views and meant
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.

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