Manual shearing machine for 3mm plate

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 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 no yes yes

Description

Technical documentation

PDF plans
Files: Oho cm3 cizalla-manual-para-plancha-3mm 0.96.pdf

CAD files
Files: oho_cm3_STP-files.zip oho_cm3_DWG-files.zip oho_cm3_CAD-files2.zip

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, click here to see the complete process 1. Feasibility study Materials, components Required materials & components can be sourced or replaced locally? ✓ Yes All the materials can be located with some ease, in hardware stores, parts stores and/or junkyards Previous theoretical case, showing the exploded view Manufacturing processes Required manufacturing processes can be povided locally? ✓ Yes In a small workshop, even at home, all the processes required for manufacturing can be achieved Example showing the processes involved Specific training Is specific training for manufacturing necessary and can be provided? ✓ Yes Especially when it comes to heat treatment for the blades Cutting blades Sustainability Do all materials and processes meet the sustainability criteria? ✓ Yes It is observed that both the materials used and the manufacturing processes are sustainable from an economic, social and environmental point of view Sustainability concept 2. Market analisis, requirements Market analysis Analysis of the current products on the market PSEALEY 3S/6R METAL HAND SHEAR CUTTER CROPPER 13mm ROUND 6mm Cutting Price [USD]: 237 source: ebay country: USA Requirements definition Definition of the main technical data (size, capacity, power...) Example showing the processes involved Optinal functions and features Definition of necessary/optional functions and features Cutting blades 3. Search & analisis DIY technologies Test 4. Development & documentation Test 5. Manufacturing, tests, improvement Test 6. Certification DIN Spec 3105 Test 7. Promotion, formation Test

+ General Reviews

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Parts list

Pos.	Qty.	Part Name	Part code	Part Type	Specifications	Review Status	Show All Comments
A1	1	3D views				Edit Edit All	PDF
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A2	1	Exloded 3D views				Edit Edit All	PDF
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B		Parts list				Edit Edit All	PDF
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1.0	1	Table structure				Edit Edit All	PDF
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1.1	2	Table angle		Production	Angle 1 1/2*1 1/2"*4mm, A36 steel	Edit Edit All	PDF
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1.2	2	Table side angle		Production	Angle 1 1/2*1 1/2"*4mm, A36 steel	Edit Edit All	PDF
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1.3	2	Table front angle		Production	Angle 1 1/2*1 1/2"*4mm, steel A36	Edit Edit All	PDF
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1.4	2	Table back leg angle		Production	Angle 1 1/2*1 1/2"*4mm, steel A36	Edit Edit All	PDF
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1.5	2	Table reinforcement angle		Production	Angle 1 1/2*1 1/2"*4mm, steel A36	Edit Edit All	PDF
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1.6	1	Angle2 table reinforcement		Production	Angle 1 1/2*1 1/2"*4mm, steel A36	Edit Edit All	PDF
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1.7	4	Anchor plate		Production	Plate 1 1/2*3/16", A36 steel	Edit Edit All	PDF
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2.0	1	Shear body				Edit Edit All	PDF
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2.1	1	Lower base plate		Production	Plate 16mm, steel A36	Edit Edit All	PDF
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2.2	1	Support center b		Production	Plate 16mm, steel A36	Edit Edit All	PDF
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2.3	1	Upper base plate		Production	Plate 16mm, steel A36	Edit Edit All	PDF
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2.4	2	Support plate		Production	Flat bar 1 1/2*3/16", steel A36	Edit Edit All	PDF
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2.5	1	Blade support1		Production	Square bar 1/2", steel A36	Edit Edit All	PDF
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2.6	1	Blade support2		Production	Square bar 1/2", steel A36	Edit Edit All	PDF
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2.7	1	Mobile blade		Production	Leaf spring 10mm, steel 9260, optional 13mm	Edit Edit All	PDF
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2.8	1	Fixed blade		Production	Leaf spring 10mm, steel 9260, optional 13mm	Edit Edit All	PDF
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2.9	2	Screw for pivot		Standard	Hex bolt 1/2*2 1/4" NC	Edit Edit All
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2.10	6	Fixed blade screw		Standard	Hexagonal screw 3/8*1 1/8" NC, optional l 1" hexagonal screw	Edit Edit All
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2.11	4	Pivot nut		Standard	Hex nut 1/2" NC	Edit Edit All
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2.12	2	Washer2		Standard	Flat washer for 1/2" NC	Edit Edit All
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2.13	2	Washer		Standard	Flat washer for 3/8" NC	Edit Edit All
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2.14	4	Support nut		Standard	Hex nut 3/8" NC	Edit Edit All
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2.15	2	Support bushing		Production	Round bar 3/4", A36 steel	Edit Edit All	PDF
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3.0	1	Lever				Edit Edit All	PDF
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3.1	1	Lever arm		Production	Plate 12mm, A36 steel	Edit Edit All	PDF
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3.2	1	Lever bar		Production	Plate 3/16" or 3/4" round bar	Edit Edit All	PDF
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3.3	2	Lever arm		Production	Plate 12mm, A36 steel	Edit Edit All	PDF
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3.4	2	Lever bushing		Production	3/4" round bar, A36 steel	Edit Edit All	PDF
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3.5	2	Union screw		Standard	Hex bolt 1/2*2 1/2" NC	Edit Edit All
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3.6	4	Rib nut		Standard	Hex nut 1/2" NC	Edit Edit All
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