Difference between revisions of "Manual shearing machine for 3mm plate"
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<h4 style="margin-top:15px"><span class="mw-headline"> | <h4 style="margin-top:15px"><span class="mw-headline">Feasibility study</span></h4> | ||
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<h4 style="margin-top:15px"><span class="mw-headline"> | <h4 style="margin-top:15px"><span class="mw-headline">Development & documentation</span></h4> | ||
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==== | ==== Manufacturing, tests and improvements ==== | ||
----- | ----- | ||
<!-- * Workshop [[File:Review.png|20px|link=https://en.oho.wiki/index.php?title=Talk:Manual_shearing_machine_for_3mm_plate&action=edit§ion=new&preloadtitle=Technical_development_5.1]] <br> Determination of the workshop for manufacturing: <br> Among the most important aspects to be fulfilled by the manufacturing workshop, we have: [[File:pdc_workshop3.jpg|300px|thumb]] --> | <!-- * Workshop [[File:Review.png|20px|link=https://en.oho.wiki/index.php?title=Talk:Manual_shearing_machine_for_3mm_plate&action=edit§ion=new&preloadtitle=Technical_development_5.1]] <br> Determination of the workshop for manufacturing: <br> Among the most important aspects to be fulfilled by the manufacturing workshop, we have: [[File:pdc_workshop3.jpg|300px|thumb]] --> | ||
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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 | ||
==== | ==== Certification DIN Spec 3105 ==== | ||
----- | ----- | ||
* Formal audit <br> Verification of the completeness of the documents: [[File:oho_cm3_gitlab2.jpg|300px|thumb]] | * Formal audit <br> Verification of the completeness of the documents: [[File:oho_cm3_gitlab2.jpg|300px|thumb]] |
Revision as of 22:58, 20 April 2023
Project 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
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
|
Project details
Description
The cutting shears boast a robust design made possible through thorough research of online videos and incorporation of repurposed car leaf springs that underwent a heat treatment. The end result is a durable yet environmentally conscious tool capable of handling challenging metal cutting tasks with ease.
Technical data
Below are some features of the manufactured shears
- Maximum sheet thickness: 3mm
- Maximum round bar diameter: 13mm
- Maximum plate or angle thickness: 5mm
- Cutting length: 180mm
- Dimensions: Length: 0.6m x Width: 0.6m x Height: 1m
- Weight: Approximately 23 kg
- Blade Type: Hardened 9260 steel
- Drive: Manual lever
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 Feasibility study
Market analisis and requirements
Search & analisis DIY technologies
Development & documentation
Manufacturing, tests and improvements
Certification DIN Spec 3105
|
+ General Reviews
Reviews
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 | ||||