77 lines
1.6 KiB
Plaintext
77 lines
1.6 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 20,
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"id": "e70e1154-7d5d-4c92-9f62-2dd2c734f586",
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"metadata": {
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"editable": true,
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"slideshow": {
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"slide_type": ""
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},
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"tags": []
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},
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"outputs": [
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{
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"data": {
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"text/html": [
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"171.312323780292 kg"
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],
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"text/latex": [
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"$171.312323780292\\ \\mathrm{kg}$"
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],
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"text/plain": [
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"<Quantity(171.312324, 'kilogram')>"
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]
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},
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"execution_count": 20,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"from pint import UnitRegistry\n",
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"unit = UnitRegistry()\n",
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"unit.formatter.default_format = \"~\"\n",
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"\n",
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"preload_m4 = 3000 * unit.N\n",
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"n_screws = 4 # 2 on each side\n",
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"friction_coeff = 0.21 # Al on Al\n",
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"safety_factor = 1.5\n",
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"\n",
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"max_load = preload_m4 * friction_coeff * n_screws / safety_factor / unit.standard_gravity\n",
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"max_load.to(unit.kg)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "d945d6aa-a1d0-4f9b-8f0e-2742e5c75b31",
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3 (ipykernel)",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.13.3"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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