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5.3 Bolt Circle SpacingWhere the te
5.3 Bolt Circle SpacingWhere the term “equally spaced” is used to define the location of holes, etc., on bolt circles and similar patterns, theangular tolerance for each hole, etc., shall be that specified within the drawing tolerance block. On drawings wherethe block tolerance is not specified, then a tolerance of ±0° 30’ shall apply.5.4 BurrsAll parts shall be free of projections (burrs) extending from all dimensioned edges of a part and, in general, the acceptabilityshall be determined visually (naked eye) or by touch. For those cases where magnification is deemed necessaryto determine the acceptability of deburred edges, this requirement will be specified on the Brooks Automationdrawing.5.5 Blending SurfacesAll intersecting surfaces joined by a radius shall make an un-stepped tangential junction to the surface generated bythe radius. This requirement applies to both external and internal surfaces.5.6 External Corners5.6.1 Sharp CornersWhen a “Sharp Corner” is specified, the edge break shall be .002 maximum and shall be free of burrs as definedin Section 5.4.5.6.2 Break Sharp CornersUnless otherwise specified, the term “Break Sharp Corners” is defined as the removal of material from an edgeso as to create a .002 - .010 radius or chamfer.5.7 Internal CornersUnless otherwise specified, inside corners shall be held to .015 radius maximum.5.8 Drilled Holes5.8.1 Diametric ToleranceThe following tolerances shall apply to all holes where a number, letter or fraction inch is called for or a nominalhole diameter is specified:Hole DiameterTolerancesMetal Parts Non-Metal PartsTable 5-3: Diametric Tolerance
0/5000
5.3 螺栓圆间距<br>当术语“等距”用于定义螺栓圆和类似图案上的孔等位置时，<br>每个孔等的角度公差应在图纸公差块中规定。在<br>未规定块公差的图纸上，应采用±0° 30' 的公差。<br>5.4<br>毛刺 所有零件都不应有从零件的所有尺寸边缘延伸出来的突出物（毛刺），一般来说，<br>应通过目视（肉眼）或触摸来确定可接受性。对于那些认为需要放大<br>来确定去毛刺边缘的可接受性的情况，此要求将在 Brooks Automation<br>图纸上指定。<br>5.5 混合曲面<br>由半径连接的所有相交表面应与由半径生成的表面形成非阶梯式切线连接<br>。该要求适用于外表面和内表面。<br>5.6 外角<br>5.6.1 尖角<br>当规定了“尖角”时，边缘断裂最大应为 0.002，并且不应有<br>第 5.4 节中定义的毛刺。<br>5.6.2 折断尖角<br>除非另有说明，术语“折断尖角”定义为从边缘去除材料<br>以创建 0.002 - .010 半径或倒角。<br>5.7<br>内角除非另有规定，内角应保持最大半径为 0.015。<br>5.8 钻孔<br>5.8.1 直径公差<br>以下公差适用于所有需要数字、字母或分数英寸或指定公称<br>孔直径的孔：<br>孔直径<br>公差<br>金属零件 非金属零件<br>表 5-3：直径公差
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5.3 Bolt Circle SpacingWhere the term “equally spaced” is used to define the location of holes, etc., on bolt circles and similar patterns, theangular tolerance for each hole, etc., shall be that specified within the drawing tolerance block. On drawings wherethe block tolerance is not specified, then a tolerance of ±0° 30’ shall apply.5.4 BurrsAll parts shall be free of projections (burrs) extending from all dimensioned edges of a part and, in general, the acceptabilityshall be determined visually (naked eye) or by touch. For those cases where magnification is deemed necessaryto determine the acceptability of deburred edges, this requirement will be specified on the Brooks Automationdrawing.5.5 Blending SurfacesAll intersecting surfaces joined by a radius shall make an un-stepped tangential junction to the surface generated bythe radius. This requirement applies to both external and internal surfaces.5.6 External Corners5.6.1 Sharp CornersWhen a “Sharp Corner” is specified, the edge break shall be .002 maximum and shall be free of burrs as definedin Section 5.4.5.6.2 Break Sharp CornersUnless otherwise specified, the term “Break Sharp Corners” is defined as the removal of material from an edgeso as to create a .002 - .010 radius or chamfer.5.7 Internal CornersUnless otherwise specified, inside corners shall be held to .015 radius maximum.5.8 Drilled Holes5.8.1 Diametric ToleranceThe following tolerances shall apply to all holes where a number, letter or fraction inch is called for or a nominalhole diameter is specified:Hole DiameterTolerancesMetal Parts Non-Metal PartsTable 5-3: Diametric Tolerance<br>
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