Projekta Nr.ISO 3951-6:2023
Nosaukums<p class="MsoBodyText"><span lang="EN-GB">This document specifies an acceptance sampling system of single sampling plans for inspection by variables, primarily designed for use under the following conditions:</span></p> <p class="ListNumber1" style="mso-list: l1 level1 lfo2;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">a)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">where the inspection procedure is applied to an isolated lot of discrete products all supplied by one producer using one production process;</span></p> <p class="ListNumber1" style="mso-list: l1 level1 lfo2;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">b)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">where only a single quality characteristic, <em style="mso-bidi-font-style: normal;">x</em>, of this process is taken into consideration, which is measurable on a continuous scale;</span></p> <p class="ListNumber1" style="mso-list: l1 level1 lfo2;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">c)<span style="font: 7.0pt 'Times New Roman';">        </span></span></span><!--[endif]--><span lang="EN-GB">where the quality characteristic, <em style="mso-bidi-font-style: normal;">x</em>, is distributed according to a normal distribution or a close approximation to a normal distribution;</span></p> <p class="ListNumber1" style="mso-list: l1 level1 lfo2;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">d)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">where the quality characteristic can be measured without error or with moderate measurement error;</span></p> <p class="ListNumber1" style="mso-list: l1 level1 lfo2;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">e)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">where a contract or standard defines a lower specification limit, <em style="mso-bidi-font-style: normal;">L</em>, an upper specification limit, <em style="mso-bidi-font-style: normal;">U</em>, or both; an item is qualified as conforming if and only if its measured quality characteristic, <em style="mso-bidi-font-style: normal;">x,</em> satisfies the appropriate one of the following inequalities:</span></p> <p class="MsoListNumber2" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">1)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><em style="mso-bidi-font-style: normal;"><span lang="EN-GB">x</span></em><span lang="EN-GB"> ≥ <em style="mso-bidi-font-style: normal;">L</em> (i.e. the lower specification limit is not violated);</span></p> <p class="MsoListNumber2" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">2)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><em style="mso-bidi-font-style: normal;"><span lang="EN-GB">x</span></em><span lang="EN-GB"> ≤ <em style="mso-bidi-font-style: normal;">U</em> (i.e. the upper specification limit is not violated);</span></p> <p class="MsoListNumber2" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">3)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><em style="mso-bidi-font-style: normal;"><span lang="EN-GB">x </span></em><span lang="EN-GB">≥<em style="mso-bidi-font-style: normal;"> L</em> and <em style="mso-bidi-font-style: normal;">x</em> ≤ <em style="mso-bidi-font-style: normal;">U</em> (i.e. neither the lower nor the upper specification limit is violated).</span></p> <p class="MsoBodyText"><span lang="EN-GB">Inequalities 1) and 2) are cases with a single specification limit, whereas inequality 3) is a case with double specification limits.</span></p> <p class="MsoBodyText"><span lang="EN-GB">Where double specification limits apply, it is assumed in this document that conformance to both specification limits is equally important to the integrity of the product. In such cases, it is appropriate to apply a single LQ to the combined fraction of a product outside the two specification limits. This is referred to as combined control.</span></p>
Reģistrācijas numurs (WIID)78827
Darbības sfēra<p class="MsoBodyText"><span lang="EN-GB">This document specifies an acceptance sampling system of single sampling plans for inspection by variables, primarily designed for use under the following conditions:</span></p> <p class="ListNumber1" style="mso-list: l1 level1 lfo2;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">a)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">where the inspection procedure is applied to an isolated lot of discrete products all supplied by one producer using one production process;</span></p> <p class="ListNumber1" style="mso-list: l1 level1 lfo2;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">b)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">where only a single quality characteristic, <em style="mso-bidi-font-style: normal;">x</em>, of this process is taken into consideration, which is measurable on a continuous scale;</span></p> <p class="ListNumber1" style="mso-list: l1 level1 lfo2;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">c)<span style="font: 7.0pt 'Times New Roman';">        </span></span></span><!--[endif]--><span lang="EN-GB">where the quality characteristic, <em style="mso-bidi-font-style: normal;">x</em>, is distributed according to a normal distribution or a close approximation to a normal distribution;</span></p> <p class="ListNumber1" style="mso-list: l1 level1 lfo2;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">d)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">where the quality characteristic can be measured without error or with moderate measurement error;</span></p> <p class="ListNumber1" style="mso-list: l1 level1 lfo2;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">e)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">where a contract or standard defines a lower specification limit, <em style="mso-bidi-font-style: normal;">L</em>, an upper specification limit, <em style="mso-bidi-font-style: normal;">U</em>, or both; an item is qualified as conforming if and only if its measured quality characteristic, <em style="mso-bidi-font-style: normal;">x,</em> satisfies the appropriate one of the following inequalities:</span></p> <p class="MsoListNumber2" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">1)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><em style="mso-bidi-font-style: normal;"><span lang="EN-GB">x</span></em><span lang="EN-GB"> ≥ <em style="mso-bidi-font-style: normal;">L</em> (i.e. the lower specification limit is not violated);</span></p> <p class="MsoListNumber2" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">2)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><em style="mso-bidi-font-style: normal;"><span lang="EN-GB">x</span></em><span lang="EN-GB"> ≤ <em style="mso-bidi-font-style: normal;">U</em> (i.e. the upper specification limit is not violated);</span></p> <p class="MsoListNumber2" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">3)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><em style="mso-bidi-font-style: normal;"><span lang="EN-GB">x </span></em><span lang="EN-GB">≥<em style="mso-bidi-font-style: normal;"> L</em> and <em style="mso-bidi-font-style: normal;">x</em> ≤ <em style="mso-bidi-font-style: normal;">U</em> (i.e. neither the lower nor the upper specification limit is violated).</span></p> <p class="MsoBodyText"><span lang="EN-GB">Inequalities 1) and 2) are cases with a single specification limit, whereas inequality 3) is a case with double specification limits.</span></p> <p class="MsoBodyText"><span lang="EN-GB">Where double specification limits apply, it is assumed in this document that conformance to both specification limits is equally important to the integrity of the product. In such cases, it is appropriate to apply a single LQ to the combined fraction of a product outside the two specification limits. This is referred to as combined control.</span></p>
StatussStandarts spēkā
ICS grupa03.120.30