Casting, SS Casting, - CR4 Discussion Thread

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moonlight Associate Join Date: Jul 2008 Posts: 35	Casting, SS Casting, 03/30/2011 8:53 AM
	like joining any material by welding we need WPS /PQR and once qualified with qualified welder ( by demonstration)and the parameter are set.but how to validate the process where turbine blade was cast. ie validation of process for casting of rotor or blade,or is there any parameter set like in wps for casting of rotor
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Anonymous Poster #1	#1 Re: Casting, SS Casting, 03/30/2011 2:08 PM
	Any special process (including casting) should have the qualified process for it - Written down and proved on the job- For this the CTQ (Critical to Quality) parameters has to be identified. Usually Experimental methods are used to freeze the levels of these parameters to get the required quality of output.
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