Difference between revisions of "Manual shearing machine for 3mm plate"
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Manufacturing processes {{TDcomment1|section=3}} | Manufacturing processes {{TDcomment1|section=3}} | ||
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Specific training {{TDcomment1|section=4}} | Specific training {{TDcomment1|section=4}} | ||
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Sustainability {{TDcomment1|section=5}} | Sustainability {{TDcomment1|section=5}} | ||
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Market analysis {{TDcomment1|section=7}}<br> | Market analysis {{TDcomment1|section=7}}<br> | ||
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<p style="margin-bottom:0;"> | <p style="margin-bottom:0;"> | ||
[https://www.ebay.com/itm/181547305125 Sealey 3s/6r metal hand shear cutter cropper 13mm round 6mm cutting] | |||
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<p style="margin-bottom:0;"> | <p style="margin-bottom:0;"> | ||
[https://www.ebay.com/itm/194499027198 5" Length Sheet Metal Plate Cutting Bench Hand Shear Machine Toolsmillar] | |||
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<p style="margin-bottom:0;"> | <p style="margin-bottom:0;"> | ||
[https://articulo.mercadolibre.com.ve/MLV-703546021-cizalla-cortadora-de-lamina-manual-somar-n4-tesoura-_JM Manual Sheet Cutter Somar N4 Tesoura] | |||
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<p style="margin-bottom:0;"> | <p style="margin-bottom:0;"> | ||
[https://articulo.mercadolibre.com.ve/MLV-709661898-5-inch-hoja-placa-metal-shear-construccion-tipo-montaje-_JM 5 Inch Sheet Metal Shear Plate Construction Type Mount] | |||
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Customization of the OHO search engine <br> | |||
A search for similar or related equipment was carried out in our repository, obtaining some equipment that can be used as a reference | |||
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<h4 style="margin-top:15px"><span class="mw-headline">4. Development & documentation {{TDcomment1|section=14}}</span></h4> | <h4 style="margin-top:15px"><span class="mw-headline">4. Development & documentation {{TDcomment1|section=14}}</span></h4> | ||
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From analyzing the operation and parts of the [https://www.youtube.com/watch?v=3l5sapINxAM main reference machine] and the rest of the examples obtained, a first list of components for the shear is generated | From analyzing the operation and parts of the [https://www.youtube.com/watch?v=3l5sapINxAM main reference machine] and the rest of the examples obtained, a first list of components for the shear is generated | ||
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During this process, some measurements of the parts and assemblies, essential for the design, are extracted | During this process, some measurements of the parts and assemblies, essential for the design, are extracted | ||
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The OHO development team also proceeds to design and determine the engineering problems that arise, in order to obtain a quality product that can be manufactured with Appropriate Technologies | The OHO development team also proceeds to design and determine the engineering problems that arise, in order to obtain a quality product that can be manufactured with Appropriate Technologies | ||
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<p style="margin-top:0;"> | <p style="margin-top:0;"> | ||
One of the solutions generated by the technical team was the inclusion of some bushings in the joints, this to ensure that these joints do not get stuck and enough tightening to support the loads | One of the solutions generated by the technical team was the inclusion of some bushings in the joints, this to ensure that these joints do not get stuck and enough tightening to support the loads | ||
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There is an internal and self-managed Gitlab repository, where the preparation of plans, exploded views, the final parts list, details and annotations, among others, are controlled at a formal and technical level | There is an internal and self-managed Gitlab repository, where the preparation of plans, exploded views, the final parts list, details and annotations, among others, are controlled at a formal and technical level | ||
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Before continuing with manufacturing, a group of experts was convened to verify the plans and generate observations, in order to optimize the design and prevent errors during later stages | Before continuing with manufacturing, a group of experts was convened to verify the plans and generate observations, in order to optimize the design and prevent errors during later stages | ||
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==== 5. Manufacturing, tests and improvements {{TDcomment1|section=19}} ==== | ==== 5. Manufacturing, tests and improvements {{TDcomment1|section=19}} ==== | ||
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** It has qualified personnel in basic and intermediate works with metal, wood, painting, among others | ** It has qualified personnel in basic and intermediate works with metal, wood, painting, among others | ||
** Some parts or processes that are not available may be purchased or ordered from more specialized stores and workshops | ** Some parts or processes that are not available may be purchased or ordered from more specialized stores and workshops | ||
* Purchase {{TDcomment1|section=21}}<br> Purchase of materials and components: <br> From the list of parts, the amounts of materials to be required from local suppliers were totaled [[File:oho_cm3_materials-list1.png|300px|thumb]] | * Purchase {{TDcomment1|section=21}}<br> Purchase of materials and components: <br> From the list of parts, the amounts of materials to be required from local suppliers were totaled [[File:oho_cm3_materials-list1.png|300px|thumb]] | ||
** Structural profiles | ** Structural profiles | ||
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** Mobile blade (piece 2.7), with dimensions adjusted according to the leaf spring piece achieved, recovered material | ** Mobile blade (piece 2.7), with dimensions adjusted according to the leaf spring piece achieved, recovered material | ||
:Plans are expected to be updated with these changes, in order to have accurate information regarding the equipment manufactured | :Plans are expected to be updated with these changes, in order to have accurate information regarding the equipment manufactured | ||
==== 6. Certification DIN Spec 3105 {{TDcomment1|section=25}} ==== | ==== 6. Certification DIN Spec 3105 {{TDcomment1|section=25}} ==== | ||
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**[[User:Xtech2020_review|Xtech2020_review]] | **[[User:Xtech2020_review|Xtech2020_review]] | ||
** [[User:Thehunter|Thehunter]] | ** [[User:Thehunter|Thehunter]] | ||
* Peer-reviews {{TDcomment1|section=28}}<br> Realization of the peer reviews, technical clarification, improvements: In process | * Peer-reviews {{TDcomment1|section=28}}<br> Realization of the peer reviews, technical clarification, improvements: In process | ||
* Certificate {{TDcomment1|section=1}}<br> Issue of the certificate: In process | * Certificate {{TDcomment1|section=1}}<br> Issue of the certificate: In process | ||
<!-- ==== 7. Promotion, formation {{TDcomment1|section=25}} ==== | <!-- ==== 7. Promotion, formation {{TDcomment1|section=25}} ==== | ||
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** Use in projects --> | ** Use in projects --> | ||
<!-- <h2><span class="showGralComment">+ General Reviews [[Image:Review.png|32px|link=|General Reviews]]</span></h2> --> | <!-- <h2><span class="showGralComment">+ General Reviews [[Image:Review.png|32px|link=|General Reviews]]</span></h2> --> | ||
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}} | }} | ||
Revision as of 15:26, 20 January 2023
Manual shearing machine for 3mm plate Basic Data Category: Shears URL (first publication): https://www.youtube.com/watch?v=Oz5MzN0Pc_M Keywords: cutting, shear, diy, metal, machine, workshop, open source, spring steel, hardening License: CC BY-NC-SA 4.0 Organization: OHO Project status: Active Certification status: In process Technical documentation Maturity of the project: prototype
Contains PDF-drawings: Yes CAD files are editable: Yes Assembly instructions are published: Yes Bill of materials is published: Yes
yes yes
|
Description
Technical documentation
PDF plans | |
Files: |
CAD files | |
Files: |
Project development | |
Based on the DIN 2221 standard, among others, OHO has established a series of stages in which the satisfactory completion of this project was carried out 1. Feasibility study
2. Market analisis and requirements
3. Search & analisis DIY technologies
4. Development & documentation
5. Manufacturing, tests and improvements
6. Certification DIN Spec 3105
|
+ General Reviews
Parts list
Pos. | Qty. | Part Name | Part code | Part Type | Specifications | Review Status | Show All Comments | |
---|---|---|---|---|---|---|---|---|
A1 | 1 | 3D views | ||||||
A2 | 1 | Exloded 3D views | ||||||
B | Parts list | |||||||
1.0 | 1 | Table structure | ||||||
1.1 | 2 | Table angle | Production | Angle 1 1/2*1 1/2"*4mm, A36 steel | ||||
1.2 | 2 | Table side angle | Production | Angle 1 1/2*1 1/2"*4mm, A36 steel | ||||
1.3 | 2 | Table front angle | Production | Angle 1 1/2*1 1/2"*4mm, steel A36 | ||||
1.4 | 2 | Table back leg angle | Production | Angle 1 1/2*1 1/2"*4mm, steel A36 | ||||
1.5 | 2 | Table reinforcement angle | Production | Angle 1 1/2*1 1/2"*4mm, steel A36 | ||||
1.6 | 1 | Angle2 table reinforcement | Production | Angle 1 1/2*1 1/2"*4mm, steel A36 | ||||
1.7 | 4 | Anchor plate | Production | Plate 1 1/2*3/16", A36 steel | ||||
2.0 | 1 | Shear body | ||||||
2.1 | 1 | Lower base plate | Production | Plate 16mm, steel A36 | ||||
2.2 | 1 | Support center b | Production | Plate 16mm, steel A36 | ||||
2.3 | 1 | Upper base plate | Production | Plate 16mm, steel A36 | ||||
2.4 | 2 | Support plate | Production | Flat bar 1 1/2*3/16", steel A36 | ||||
2.5 | 1 | Blade support1 | Production | Square bar 1/2", steel A36 | ||||
2.6 | 1 | Blade support2 | Production | Square bar 1/2", steel A36 | ||||
2.7 | 1 | Mobile blade | Production | Leaf spring 10mm, steel 9260, optional 13mm | ||||
2.8 | 1 | Fixed blade | Production | Leaf spring 10mm, steel 9260, optional 13mm | ||||
2.9 | 2 | Screw for pivot | Standard | Hex bolt 1/2*2 1/4" NC | ||||
2.10 | 6 | Fixed blade screw | Standard | Hexagonal screw 3/8*1 1/8" NC, optional l 1" hexagonal screw | ||||
2.11 | 4 | Pivot nut | Standard | Hex nut 1/2" NC | ||||
2.12 | 2 | Washer2 | Standard | Flat washer for 1/2" NC | ||||
2.13 | 2 | Washer | Standard | Flat washer for 3/8" NC | ||||
2.14 | 4 | Support nut | Standard | Hex nut 3/8" NC | ||||
2.15 | 2 | Support bushing | Production | Round bar 3/4", A36 steel | ||||
3.0 | 1 | Lever | ||||||
3.1 | 1 | Lever arm | Production | Plate 12mm, A36 steel | ||||
3.2 | 1 | Lever bar | Production | Plate 3/16" or 3/4" round bar | ||||
3.3 | 2 | Lever arm | Production | Plate 12mm, A36 steel | ||||
3.4 | 2 | Lever bushing | Production | 3/4" round bar, A36 steel | ||||
3.5 | 2 | Union screw | Standard | Hex bolt 1/2*2 1/2" NC | ||||
3.6 | 4 | Rib nut | Standard | Hex nut 1/2" NC | ||||