EN ISO 6947 1997焊縫―施焊位置―傾斜和旋轉(zhuǎn)角度定義 - 圖文-

1、 Reproduced by IHS under license with DIN ENG License provided by I.H.S. GermanyFor Internal Use OnlyReproduced by IHS under license with DIN ENG License provided by I.H.S. GermanyFor Internal Use OnlyReproduced by IHS under license with DIN ENG License provided by I.H.S. GermanyFor Internal Use Onl

2、yReproduced by IHS under license with DIN ENG License provided by I.H.S. GermanyFor Internal Use OnlyReproduced by IHS under license with DIN ENG License provided by I.H.S. GermanyFor Internal Use OnlyPage 9 EN I S 0 6947 : 1997 a Welding direction up (HI b Welding direction down (JI Figure 10 - Exa

3、mples of welding direction on fixed pipe with horizontal axis /4 LReference plane Zenith ?- AReference plane b Welding down from the zenith: J-L figure 11 - Examples of zenith, welding direction and symbolization of inclination for fixed pipes with inclined axes Reproduced by IHS under license with

4、DIN ENG License provided by I.H.S. Germany For Internal Use Only Page 10 EN I S 0 6947 : 1997 4 Designation Main positions shall be designated by the appropriate symbol specified in table 1 (see example li; the symbol for the main position may be supplemented by the values for slope and rotation, gi

5、ven in three digits (see example 2. Inclined positions shall be designated by slope and rotation in accordance with 3.2.1, except for pipes with inclined axes (seeexample 3. For circumferential welds in pipes with inclined axes, the indication of slope and rotation shall be simplified in accordance

6、with 3.2.2 (seeexamples 4 and 5. Examples: plates 7 The main position horizontal vertical (PB shall be designated as follows: PB 2 The main position horizontal vertical (PB, with slope of 130 and rotation of &O, PB 130-046 shall be designated as follows: 3 The inclined position, with slope of 3o and

7、 rotation of Wo, shall be designated as follows: 030090 Examples: pipes 4 The weld position on pipes with inclined axes, with welding direction welding up (Hl and an inclination angle of 30,shall be designated as follows: H-LOa 5 The weld position on pipes with inclined axes, with welding direction welding down (Ji and an inclination angle of Wo, shall be designated