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planar spiral flexure Ø40, 3 arms 1.6 wide, 2.0 thick, hub Ø12 bore Ø4, 3 × Ø3.2 rim holes on R17.6
planar spiral flexure Ø40, 3 arms 1.6 wide, 2.0 thick, hub Ø12 bore Ø4, 3 × Ø3.2 rim holes on R17.6
Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.
STEP STL free, CC BY 4.0 (credit "Xem Studio")
Dimensions
| od_mm | 40 |
|---|---|
| hub_mm | 12 |
| rim_mm | 4.8 |
| arm_w_mm | 1.6 |
| bore_mm | 4 |
| arm_radial_span_mm | 9.2 |
| rim_hole_circle_mm | 35.2 |
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Planar spiral flexure bearing leaves: Ø40 to Ø120, 3-arm and 2-arm, 0.5 and 2 mm: every size, notes, mating features and sources. What is a spiral flexure bearing and what are its dimensions?
Other sizes
- flexure-40-3arm-w1.6-t0.5
- 2-arm variant Ø40 (lower axial stiffness, less radial)
- flexure-60-3arm-w2-t0.5
- planar spiral flexure Ø60, 3 arms 2.0 wide, 2.0 thick, hub Ø13.2 bore Ø5, 3 × Ø3.2 rim holes on R26.4
- 2-arm variant Ø60 (lower axial stiffness, less radial)
- flexure-80-3arm-w2.5-t0.5
- planar spiral flexure Ø80, 3 arms 2.5 wide, 2.0 thick, hub Ø17.6 bore Ø5, 3 × Ø3.2 rim holes on R35.2
- 2-arm variant Ø80 (lower axial stiffness, less radial)
- flexure-100-3arm-w3-t0.5
- planar spiral flexure Ø100, 3 arms 3.0 wide, 2.0 thick, hub Ø22 bore Ø8, 3 × Ø3.2 rim holes on R44
- 2-arm variant Ø100 (lower axial stiffness, less radial)
- flexure-120-3arm-w3.5-t0.5
- planar spiral flexure Ø120, 3 arms 3.5 wide, 2.0 thick, hub Ø26.4 bore Ø8, 3 × Ø3.2 rim holes on R52.8
- 2-arm variant Ø120 (lower axial stiffness, less radial)