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M5 hand tap holder with FreeCAD source

Published at 2024-05-06
Free
★ ★ ★ ★ ☆ (1 comment)
38

t-nissie

40 objects 20 Followers
Joined over 4 years ago

Description

Fix your tap to this holder with an M5 set screw. SHA-224 checksum d3d678b2a44bb7b9911357fb6af880f16330f66a5a47d7b5914ffd5b taph.stl 2254cbc850ac0531a7063f3f8f149ef5c1729132d7a7c0969995e5a1 tapholder.FCStd (tapholder.FCStd is FreeCAD source.) Material: PLA Layer Hight: 0.2 Build Plate Adhesion: Skirt 3

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t-nissie
t-nissie
over 1 year
3DプリンターとPLAでテキトーに作った 熱収縮しがちなネジ穴を仕上げるための M12用のタップのホルダを作る場合 タップの柄の直径 d=8.5 mm 柄の四角柱の1辺 K=6.45 mm 穴の収縮と遊びを考慮した係数 c=1.045 (3Dプリンターに依存。穴の半径が小さいときはcが大きくなる。) 穴の半径 r=d*c/2=4.44 mm 四角穴の外接円の半径 s=K*c/√2=4.77 mm

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