这个solidworks的建模，转工程图，转cad的视屏---**Header:** 练习1: 端盖 尺寸看不清可见工图习题册 P48 **Images:** Two isometric views of a flanged part with multiple holes. **Engineering Drawing:** Type: Orthographic projection, including a section view (B-B) and a top/front view. **Section View (B-B):** * Cut along line B-B. * Shows internal features: central bore with varying diameters, steps, chamfers. * Dimensions shown: 53, 30, 15, 8, 46, 24, 14, 26 (red text: 26改为24.75), 14, 8, 16, 14. * Diameters indicated: φ14 (red text: φ14改为φ11.5), φ26, φ50, φ75, φ130. * Surface finish symbols: Ra1.6, Ra12.5. * Geometric tolerance: 0.05 A (referencing surface Ra1.6). * Thread specification: Rc1/4. * Annotation: C1.5X45° Ra12.5, φ130. **Top/Front View:** * Shows the circular outline with multiple evenly spaced holes. * Outer diameter indicated: φ130. * Pitch circle diameter for small holes: φ104. * Pitch circle diameter for large holes: φ80. * Central bore diameter: φ50. * Small hole diameter: φ14. * Large hole diameter: φ60. * Specification for small holes: 6Xφ11 Ra12.5 (Note: φ11 is shown with an arrow pointing to one of the smaller holes on the φ104 pitch circle). * Specification for large holes: 3XM6-7H Ra12.5 (Note: 3XM6-7H is shown with an arrow pointing to one of the larger holes on the φ80 pitch circle). * Surface finish symbol: Ra1.6. * Geometric tolerance: ∅ 0.02 A (referencing surface Ra1.6). * Section line B-B indicated. **Red Text Annotations:** * φ14改为φ11.5 (φ14 changed to φ11.5) - pointing to the internal bore diameter. * 26改为24.75 (26 changed to 24.75) - pointing to a length dimension in the section view. **Technical Requirements:** 技术要求 1. 铸件非加工面应清理。 2. 未注圆角 R4。 **Footer:** 练习2: 壳体 尺寸看不清可见工图习题册 P52