GrabCAD 模型信息
M4 ANCHOR_PLASTIC_D8X40 · 模型 43962
[English Description] A robust and functional 3D printable plastic expansion wall anchor (wall plug), specifically engineered for reliable home improvement and fastening applications. Key Design Features: 1. Tapered Tip: Features a guide cone at the front end for easy insertion into pre-drilled holes. 2. Splitting and Expansion Slots: Designed with longitudinal splitting slots that ensure uniform outward expansion as the self-tapping screw drives in, providing maximum gripping force against the hole wall. 3. Anti-rotation Wings: Incorporated near the flange base to prevent the anchor from spinning inside the hole during the initial screw engagement. 4. Interlocking Ribs and Barbs: Multi-layered circumferential barbs bite into the substrate to significantly increase pull-out resistance. 5. Flange Rim: A flat collar at the bottom prevents the plug from slipping too deep into the wall during installation. 3D Printing and Manufacturing Specs: - Recommended Material: PETG, Nylon (PA), or PP for optimal toughness and stress-relaxation resistance. Avoid PLA as it is too brittle for expansion stress. - Wall Thickness: 4 or more Wall Loops. - Infill: 50 percent to 100 percent (Concentric or Grid pattern recommended). - Orientation: Print vertically as oriented in the model file. Brim is highly recommended for bed adhesion. Feel free to scale the model according to your specific screw and drill bit dimensions. [中文描述] 一款专为实用家装固定设计的工业级 3D 打印塑料膨胀螺栓（墙塞/胶套）。 核心结构设计点： 1. 引导锥形头：前端带有缩口锥角，便于轻松推入或敲入预钻孔中。 2. 膨胀开槽：纵向开槽确保自攻螺钉拧入时，胶套能顺畅向两侧膨胀，紧紧压迫孔壁以提供最大的摩擦力。 3. 防自转侧翼：根部两侧设计有三角形防转翼，有效防止拧入螺钉初期胶套在孔内跟转。 4. 固锁倒刺/环槽：多层环向凹槽与微型倒刺在受力时咬合孔壁，大幅提升抗抽拔力。 5. 限位法兰：底部带有扁平圆盘帽沿，防止敲击安装时胶套过度滑入孔洞深处。 3D 打印与制造建议： - 推荐材质：PETG、尼龙 (Nylon) 或 PP。这些材料具有优异的膨胀韧性和耐应力松弛性能。请勿使用过脆的 PLA。 - 壁厚优化：墙线条数（墙数）大于或等于 4 层。 - 填充率：50 percent 到 100 percent（推荐使用“同心”填充，使径向受力更均匀）。 - 打印方向：保持文件默认的垂直方向打印，建议开启 Brim（边缘）以防倒伏。 您可以根据实际需要的钻孔和自攻螺丝规格，在切片软件中等比例缩放使用。
- 格式
- 3D Manufacturing Format、STEP / IGES
- 分类
- Fixtures、Furniture、Hobby
- 标签
- expansion-anchor、wall-plug、anchor、hardware、fastener
- 数据更新
- 2026-10-09T10:56:36Z
