加拿大外贸
求助：法兰AS4087标准公差和光洁度等要求翻译下面是标准对应的。不知道到底这个是什么要求。问客人，客人就说按照这个标准。
SECTION 4 MANUFACTURING
REQUIREMENTS, DIMENSIONS AND
TOLERANCES 生产要求，尺寸和公差
4.1 DIMENSIONS AND TOLERANCES 尺寸和公差
4.1.1 Thickness of flange 法兰厚度
The dimensions for the thickness of flanges shall be as specified in Appendix B with a
tolerance of +(3 + 0.05T), 0 mm. -
NOTE: To achieve the surface requirements of Clause 4.3 it may be necessary to machine the
contact surface after the flange has been welded or brazed to the parent article. Such cases may
necessitate a machining allowance in the original thickness.
4.1.2 Outside diameter of flange 法兰外径
The dimensions for the outside diameter of flanges shall be as specified in Appendix B and
although a tolerance is not specified in this Standard the minimum diameter shall provide
sufficient bearing area for the nut or bolt head (see Clause 4.3).
NOTE: Outside diameters in accordance with AS/NZS 4331 (all parts) are acceptable.
4.1.3 O-ring groove O 型环
The dimensions for the O-ring groove shall be as specified in Appendix B with the
following tolerances:
(a) X ............................................................................................................... 0.5 mm. ±
(b) W............................................................................................................... 0.5 mm. ±
(c) r0............................................................................................................... 0.1 mm. ±
(d) r1............................................................................................................... 0.2 mm. ±
Dimensions and tolerances shall apply after the application of coatings.
4.1.4 Height of raised face 起台面高度
The dimensions for the height of raised face shall be as specified in Appendix B, with the
following tolerances:
(a) 2 mm................................................................................................. +1.0, 1.0 mm. -
(b) 3 mm................................................................................................. +1.5, 2.0 mm. -
(c) 4 mm................................................................................................. +2.0, 3.0 mm. -
(d) 5 mm................................................................................................. +2.5, 4.0 mm. -
4.1.5 Diameter of raised face 起台面尺寸
The dimensions for the diameter of raised face shall be as specified in Appendix B, with the
following tolerances:
(a) Flanges less than or equal to DN 100 ................................................. +2.0, 4.0 mm. -
(b) Flanges greater than DN 100 but less than or equal to DN 300............ +2.0, 4.5 mm. -
(c) Flanges greater than DN 300 but less than or equal to DN 600............ +2.0, 5.0 mm. -
(d) Flanges greater than DN 600 but less than or equal to DN 1200.......... +2.0, 5.5 mm. -
4.1.6 Bolt holes 螺栓孔
The dimensions for the boltholes shall be as specified in Appendix B, with the following
tolerances:
(a) The pitch circle diameter:
(i) M12 to M24 inclusive........................................................................ 1.5 mm. ±
(ii) M27 and larger.................................................................................. 2.0 mm. ±
(b) The centre-to-centre spacing of adjacent bolt holes:
(i) M12 to M24 inclusive...................................................................... 0.75 mm. ±
(ii) M27 and larger.................................................................................. 1.0 mm. ±
(c) The diameter of boltholes ...................................................................+1.5, 0.5mm. -
Dimensions and tolerances shall apply after application of coatings.
Boltholes shall be—
(a) drilled or cored and spaced equally around the pitch circle, which is concentric with
the bore;
(b) parallel to the axis of the flange; and
(c) for integral flanges, located off the centre-lines and where there are two or more
concentric flanges, they shall be aligned.
4.2 CONTACT SURFACES 关于表面
4.2.1 General 总述
The contact surfaces for flange faces and O-ring grooves shall be machined or otherwise
finished so that the flatness and squareness to the axis and the surface finish are appropriate
to the type of gasket or O-ring used. Flange contact surfaces shall not be rougher than N10
(Ra =12.5 μm) and the annulus that makes contact with O-rings shall not be rougher than N8
(Ra = 3.2 μm), in accordance with AS 2382.
4.2.2 Tolerance on flatness
The tolerance on flatness across the flange face shall be as follows:
(a) Flanges of nominal size less than or equal to DN 250 .................................. 0.2 mm. ±
(b) Flanges of nominal size greater than DN 250............................................... 0.5 mm. ±
Dimensions and tolerances shall apply after the application of coatings.
下面是客人要求的。
Tolerance as per AS4087 specification emailed previuosly, but tolerance must be minus 0 and say plus 1 mm for thickness and id and od. Holes & PCD as nominated, 0 tolerance. Gramphone finish on face as per AS4087.
这个意思是不是说厚度、外径、内径的公差在0-1mm,孔和中心距按照指定，0公差。表面光洁度按照AS4087.
评论
大家帮我看看。头大啊，这个定不下来，生产那里一直催！恐怕生产错了。
评论
不要轻言放弃，否则对不起自己。加油！
评论
Tolerance as per AS4087 specification emailed previuosly, but tolerance must be minus 0 and say plus 1 mm for thickness and id and od. Holes & PCD as nominated, 0 tolerance. Gramphone finish on face as per AS4087.
这个意思是不是说厚度、外径、内径的公差在0-1mm,孔和中心距按照指定，0公差。表面光洁度按照AS4087.
你翻得蛮好啊，加上你的专业知识，已经很好了
评论
你翻译的对的~~
我是搞机械设计的,能理解他的意思~
评论
下面是一个朋友帮翻译的。真是非常感谢他，还有大家的帮忙！
SECTION 4 MANUFACTURING REQUIREMENTS, DIMENSIONS AND TOLERANCES
生产要求，尺寸和公差
4.1 DIMENSIONS AND TOLERANCES 尺寸和公差
4.1.1 Thickness of flange 法兰厚度
The dimensions for the thickness of flanges shall be as specified in Appendix B with a
tolerance of +(3 + 0.05T), 0 mm. –
法兰的厚度应按照附录B， 公差为+(3 + 0.05T), 0 mm. –
NOTE: To achieve the surface requirements of Clause 4.3 it may be necessary to machine the
contact surface after the flange has been welded or brazed to the parent article. Such cases may
necessitate a machining allowance in the original thickness.
注释：为了达到4.3条的表面光洁度要求，有必要在法兰焊接到母材上面后对接触面进行机加工。
这种情况有必要对原先的厚度留有加工余量。
4.1.2 Outside diameter of flange法兰外径
The dimensions for the outside diameter of flanges shall be as specified in Appendix B and
although a tolerance is not specified in this Standard the minimum diameter shall provide
sufficient bearing area for the nut or bolt head (see Clause 4.3).
NOTE: Outside diameters in accordance with AS/NZS 4331 (all parts) are acceptable.
法兰外径尺寸要按照附录B执行，虽然在本标准中没有指定公差范围，但是提供的最小直径应为螺母或螺栓头通过。（见4.3条）
注释：所有零件的外径尺寸符合AS/NZS 4331即为合格。
4.1.3 O-ring groove O 型环槽
The dimensions for the O-ring groove shall be as specified in Appendix B with the
following tolerances:
O 型槽的尺寸应符合下列附录B中规定的的公差：
(a) X ............................................................................................................... 0.5 mm. ±
(b) W............................................................................................................... 0.5 mm. ±
(c) r0............................................................................................................... 0.1 mm. ±
(d) r1............................................................................................................... 0.2 mm. ±
Dimensions and tolerances shall apply after the application of coatings.
尺寸和公差同样适用于喷漆后。
4.1.4 Height of raised face
凸起面的高度
The dimensions for the height of raised face shall be as specified in Appendix B, with the
following tolerances:
凸起面的高度尺寸应符合下列附录B 中规定的公差：
(a) 2 mm................................................................................................. +1.0, 1.0 mm. -
(b) 3 mm................................................................................................. +1.5, 2.0 mm. -
(c) 4 mm................................................................................................. +2.0, 3.0 mm. -
(d) 5 mm................................................................................................. +2.5, 4.0 mm. -
4.1.5 Diameter of raised face 凸起面直径
The dimensions for the diameter of raised face shall be as specified in Appendix B, with the
following tolerances:
凸起面直径尺寸应符合下列附录B 中规定的公差：
(a) Flanges less than or equal to DN 100 ................................................. +2.0, 4.0 mm. –
法兰凸起直径小于等于DN100的
(b) Flanges greater than DN 100 but less than or equal to DN 300............ +2.0, 4.5 mm. –
法兰凸起直径大于DN100但是小于等于DN300之的
(c) Flanges greater than DN 300 but less than or equal to DN 600............ +2.0, 5.0 mm. –
法兰凸起直径大于DN300但是小于等于DN600之的
(d) Flanges greater than DN 600 but less than or equal to DN 1200.......... +2.0, 5.5 mm. –
法兰凸起直径大于DN600但是小于等于DN1200之的
4.1.6 Bolt holes 螺栓孔
The dimensions for the boltholes shall be as specified in Appendix B, with the following
tolerances:
螺栓孔的尺寸应符合下列附录B中规定的公差：
(a) The pitch circle diameter: 中心距（简写PCD）
(i) M12 to M24 inclusive M12 to M24 （包括M24）的螺栓......... .... ......... ................ 1.5 mm. ±
(ii) M27 and larger. 大于M27的螺栓......................................................................... 2.0 mm. ±
(b) The centre-to-centre spacing of adjacent bolt holes调整螺栓孔的中心间距:
(i) M12 to M24 inclusive M12 to M24 （包括M24）的螺栓..................................... 0.75 mm. ±
(ii) M27 and larger 大于M27的螺栓..................................................................... 1.0 mm. ±
(c) The diameter of boltholes ..螺栓孔的直径.................................... ...........................+1.5, 0.5mm. -
Dimensions and tolerances shall apply after application of coatings.
尺寸和公差同样适用于喷漆后。
Boltholes shall be— 螺栓孔应 ：
(a) drilled or cored and spaced equally around the pitch circle, which is concentric with
the bore; 螺栓孔应为钻孔，均匀的分布在中心上，并与孔同心；
(b) parallel to the axis of the flange; and 与法兰轴平行
(c) for integral flanges, located off the centre-lines and where there are two or more concentric flanges, they shall be aligned.
对于整体法兰，位于中心线外两个或更多个的同心法兰要在一条直线上
4.2 CONTACT SURFACES 接触表面
4.2.1 General 总述
The contact surfaces for flange faces and O-ring grooves shall be machined or otherwise
finished so that the flatness and squareness to the axis and the surface finish are appropriate
to the type of gasket or O-ring used. Flange contact surfaces shall not be rougher than N10
(Ra =12.5 μm) and the annulus that makes contact with O-rings shall not be rougher than N8
(Ra = 3.2 μm), in accordance with AS 2382.
对于法兰和O型槽的接触面需进行机加工，除非成型后与轴和完成表面的平面度和垂直度符合使用的垫片或O型垫片。法兰接触面的粗糙度小于N10(Ra =12.5μm) ，与O型圈接触的环面的粗糙度小于N8（Ra = 3.2 μm）（ Ra应该是RADIUS 半径的意思 ），按照AS2382的要求要。
4.2.2 Tolerance on flatness 平面度公差
The tolerance on flatness across the flange face shall be as follows:
法兰截面的平面度公差应符合如下公差要求：
(a) Flanges of nominal size less than or equal to DN 250 .................................. 0.2 mm. ±
法兰公称尺寸小于等于DN250
(b) Flanges of nominal size greater than DN 250............................................... 0.5 mm. ±
法兰公称尺寸大于DN250
Dimensions and tolerances shall apply after the application of coatings.
尺寸和公差同样适用于喷漆后。
自己需要学习的还有很多，加油啊！
评论
你好 能把你在线联系方式告诉我吗 我也是法兰外贸的 有几个不懂的专业术语想请教您下 先谢谢您啦！
加拿大电商刚从事这行半年，对电子行业不了解，自己整理了些，算是学习，供大家分享，也请大家补充。我毕竟是个文科生，对这方面知识严重欠缺。 DVD:英文全名是Digital Video Disk, 即数字视频光 加拿大电商昨天我把提单复件发给了客户，今天收到了他回信，如下： Dear Nicholas, please send all shipping documents. We will check B/L copy and we will reply ASAP. Thank you Best Regards .........................................
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