STEVEMIT
steve/split-lock-washer
Split lock washer (spring washer), DIN 127 form B, M2 to M100.
Isometric
Section analysis
Plane normal
Offset
| 1 | """ISO 7089 plain washer, normal series. It sits on the XY plane, centred on the origin. |
| 2 | |
| 3 | Material: 200 HV steel (cold-rolled DC01), zinc plated.""" |
| 4 | from steve import Model |
| 5 | |
| 6 | size = "M3" # Thread size |
| 7 | |
| 8 | # size: (inner diameter d1, outer diameter d2, thickness h) |
| 9 | WASHERS = { |
| 10 | 'M2': (2.2, 5.0, 0.3), |
| 11 | 'M2.5': (2.7, 6.0, 0.5), |
| 12 | 'M3': (3.2, 7.0, 0.5), |
| 13 | 'M4': (4.3, 9.0, 0.8), |
| 14 | 'M5': (5.3, 10.0, 1.0), |
| 15 | 'M6': (6.4, 12.0, 1.6), |
| 16 | 'M8': (8.4, 16.0, 1.6), |
| 17 | 'M10': (10.5, 20.0, 2.0), |
| 18 | 'M12': (13.0, 24.0, 2.5), |
| 19 | } |
| 20 | d1, d2, h = WASHERS[size] |
| 21 | |
| 22 | model = Model() |
| 23 | with model.sketch("washer_sketch", on="XY", name="Washer") as sk: |
| 24 | sk.circle("outer", (0, 0), d2 / 2) |
| 25 | sk.circle("inner", (0, 0), d1 / 2) |
| 26 | model.extrude("washer", "washer_sketch", distance=h) |
| 27 | model.material("steel-dc01") # 200 HV washer steel |
| 28 | model.appearance(color="#c9d1d9", metalness=1.0, roughness=0.3) # clear zinc plating |
| 29 | result = model.result() |
| 30 |
| 1 | name = "steve/flat-washer" |
| 2 | version = "1.1.0" |
| 3 | runtime = "steve" |
| 4 | license = "MIT" |
| 5 | summary = "Plain washer, ISO 7089, M2 to M12." |
| 6 | description = "ISO 7089 plain washer, normal series. It sits on the XY plane, centred on the origin.\n\nMaterial: 200 HV steel (cold-rolled DC01), zinc plated.\n\nDimensions from STEVE's standard-part tables (nominal values of the standard). Envelope geometry: no modelled thread." |
| 7 | tags = ["fastener", "washer", "iso-7089", "metric"] |
| 8 | changes = "Materials and finishes: each part is made of its standard's engineering material, with its usual finish." |
| 9 | |
| 10 | [parameters.size] |
| 11 | type = "choice" |
| 12 | default = "M3" |
| 13 | choices = ["M2", "M2.5", "M3", "M4", "M5", "M6", "M8", "M10", "M12"] |
| 14 | label = "Thread size" |
| 15 |
ISO 7089 plain washer, normal series. It sits on the XY plane, centred on the origin. Material: 200 HV steel (cold-rolled DC01), zinc plated. Dimensions from STEVE's standard-part tables (nominal values of the standard). Envelope geometry: no modelled thread.
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Materials and finishes: each part is made of its standard's engineering material, with its usual finish.
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