{"id":194,"date":"2024-04-16T15:16:21","date_gmt":"2024-04-16T15:16:21","guid":{"rendered":"https:\/\/educate.winona.edu\/stridewarriorlite\/?page_id=194"},"modified":"2024-04-23T14:16:45","modified_gmt":"2024-04-23T14:16:45","slug":"manufacturing","status":"publish","type":"page","link":"https:\/\/educate.winona.edu\/stridewarriorlite\/manufacturing\/","title":{"rendered":"Manufacturing"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px||0px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; min_height=&#8221;68px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Tooling&#8221; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; title_font=&#8221;|600|||||||&#8221; title_text_color=&#8221;#8300E9&#8243; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px||20px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/educate.winona.edu\/stridewarriorlite\/wp-content\/uploads\/sites\/48\/2024\/04\/Mandrel-e1713297771337.jpeg&#8221; title_text=&#8221;Mandrel&#8221; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; min_height=&#8221;294px&#8221; custom_padding=&#8221;3px|81px|0px|||&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;||||||||&#8221; text_text_color=&#8221;#000000&#8243; text_font_size=&#8221;18px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; text_orientation=&#8221;justified&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>Minimal tooling was needed since the design mainly consisted of repeatable tubes made of carbon fiber and epoxy on a filament winder. Aluminum and PVC piping varying in different sizes and diameters were wrapped in rope to create the tools. The use of rope allowed for the tubes to be easily removed once fully cured.<\/p>\n<p>The manufactured carbon fiber tubes, along with the 3D-printed connectors were adhered together with epoxy adhesive. The pieces were held together with clamps until the adhesive was fully cured.<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; min_height=&#8221;61px&#8221; custom_padding=&#8221;||0px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;-108px|auto||auto||&#8221; custom_padding=&#8221;54px||0px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Fabrication&#8221; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; title_font=&#8221;|600|||||||&#8221; title_text_color=&#8221;#8300E9&#8243; min_height=&#8221;20px&#8221; custom_padding=&#8221;||21px|||&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;0px||18px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; inline_fonts=&#8221;ABeeZee&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\"><u>Filament Winding: <\/u><\/span><\/p>\n<ul>\n<li><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\">A filament winder was used to create all of the tubes that would need to be assembled<\/span><\/li>\n<li><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\">The tubes were made out of carbon fiber and epoxy<\/span><\/li>\n<li><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\">Mandrels varying in diameter were wrapped with rope to wind around, allowing for easy removal of cured tubes<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\"><u>Wet Layup:<\/u><\/span><\/p>\n<ul>\n<li><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\">A sandwich panel consisting of foam core and carbon fiber was used to create our seat<\/span><\/li>\n<li><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\">A wet layup process was used to create one of the facesheets. Once fully cured, the foam core and next facesheet were adhered<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\"><u>3D Printed Connectors:<\/u><\/span><\/p>\n<ul>\n<li><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\">In order to connect the tubes together, 3D printed connectors were used<\/span><\/li>\n<li><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\">PETG was the material that was initially selected due to its strength and water resistance, and the connectors were manufactured on a Prusa brand printer<\/span><br \/><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\"><\/span><\/li>\n<li><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\">While testing the static leg strength of the assembled walker, the 3D-printed connectors failed to to shear breakage<\/span><br \/><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\"><\/span><\/li>\n<li><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\">For the final design, a Markforged 3D-printer was used to manufacture the connectors with a short carbon fiber-reinforced nylon material<\/span><br \/><span style=\"font-family: inherit;font-weight: normal;color: #000000;font-size: medium\"><\/span><\/li>\n<\/ul>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; inline_fonts=&#8221;ABeeZee&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_gallery gallery_ids=&#8221;177,176,180&#8243; fullwidth=&#8221;on&#8221; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; min_height=&#8221;675.6px&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_gallery][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; min_height=&#8221;255px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; min_height=&#8221;92px&#8221; custom_margin=&#8221;-82px|auto||auto||&#8221; custom_padding=&#8221;2px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;Qualification Testing&#8221; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; title_font=&#8221;|600|||||||&#8221; title_text_color=&#8221;#8300E9&#8243; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/educate.winona.edu\/stridewarriorlite\/wp-content\/uploads\/sites\/48\/2024\/04\/Qulification-testing-e1713299933361.jpeg&#8221; title_text=&#8221;Qulification testing&#8221; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;ABeeZee||||||||&#8221; text_text_color=&#8221;#000000&#8243; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><span style=\"font-family: inherit;font-weight: normal;font-size: medium\"><u>Fatigue<\/u><\/span><\/p>\n<ul>\n<li><span style=\"font-family: inherit;font-weight: normal;font-size: medium\">Cyclic loading of 800 N at 200,000 cycles and 1 Hz<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: inherit;font-weight: normal;font-size: medium\"><u>Static Leg Strength <\/u><\/span><\/p>\n<ul>\n<li><span style=\"font-family: inherit;font-weight: normal;font-size: medium\">Compression load of 300-500 N<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: inherit;font-weight: normal;font-size: medium\"><u>Seat Strength<\/u><\/span><\/p>\n<ul>\n<li><span style=\"font-family: inherit;font-weight: normal;font-size: medium\">Can support up to 350 lbs<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: inherit;font-weight: normal;font-size: medium\"><u>Stability<\/u><\/span><\/p>\n<ul>\n<li><span style=\"font-family: inherit;font-weight: normal;font-size: medium\">Withstand a load of 250 N at different angles<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: inherit;font-weight: normal;font-size: medium\"><u>UV Resistance<\/u><\/span><\/p>\n<ul>\n<li><span style=\"font-family: inherit;font-weight: normal;font-size: medium\">Control specimen<\/span><\/li>\n<li><span style=\"font-family: inherit;font-weight: normal;font-size: medium\">Specimen UV exposed for 3 days<\/span><\/li>\n<li><span style=\"font-family: inherit;font-weight: normal;font-size: medium\">Both loaded in compression<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: inherit;font-weight: normal;font-size: medium\"><u>Water Resistance<\/u><\/span><\/p>\n<p><span style=\"font-family: inherit;font-weight: normal;font-size: medium\"><u><\/u><\/span><\/p>\n<ul>\n<li><span style=\"font-family: inherit;font-weight: normal;font-size: medium\">Control specimen<\/span><\/li>\n<li><span style=\"font-family: inherit;font-weight: normal;font-size: medium\">Specimen was submerged in water for 24 hours<\/span><\/li>\n<li><span style=\"font-family: inherit;font-weight: normal;font-size: medium\">Both loaded in compression<\/span><\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p style=\"text-align: right\">Updated 04\/21\/2024<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Minimal tooling was needed since the design mainly consisted of repeatable tubes made of carbon fiber and epoxy on a filament winder. Aluminum and PVC piping varying in different sizes and diameters were wrapped in rope to create the tools. The use of rope allowed for the tubes to be easily removed once fully cured. [&hellip;]<\/p>\n","protected":false},"author":424,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-194","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/educate.winona.edu\/stridewarriorlite\/wp-json\/wp\/v2\/pages\/194","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/educate.winona.edu\/stridewarriorlite\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/educate.winona.edu\/stridewarriorlite\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/educate.winona.edu\/stridewarriorlite\/wp-json\/wp\/v2\/users\/424"}],"replies":[{"embeddable":true,"href":"https:\/\/educate.winona.edu\/stridewarriorlite\/wp-json\/wp\/v2\/comments?post=194"}],"version-history":[{"count":13,"href":"https:\/\/educate.winona.edu\/stridewarriorlite\/wp-json\/wp\/v2\/pages\/194\/revisions"}],"predecessor-version":[{"id":335,"href":"https:\/\/educate.winona.edu\/stridewarriorlite\/wp-json\/wp\/v2\/pages\/194\/revisions\/335"}],"wp:attachment":[{"href":"https:\/\/educate.winona.edu\/stridewarriorlite\/wp-json\/wp\/v2\/media?parent=194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}