Workshop extractor

Intake side. Made from aluminium.
knoba - Workshop extractor

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Exhaust side. Enclosure made from 304 stainless steel, plywood & galv weldmesh.
knoba - Workshop extractor

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240v Torin Sifan extractor, centrifugal fan. Fabricated wall interface.
knoba - Workshop extractor

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3 developments. Mallet formed. Pop riveted & silicon seams. Cad file below.
knoba - Workshop extractor

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Removable grill made from plywood & weldmesh.
knoba - Workshop extractor

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Hardwood former (1st) used for hammer forming intake cowling
knoba - Workshop extractor

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Hardwood former (2nd) used for hammer forming intake cowling
knoba - Workshop extractor

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Hardwood former (3rd) used for hammer forming intake cowling
knoba - Workshop extractor

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First phase complete. To do: trim edges & fold over returns…
knoba - Workshop extractor

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Softwood former (4th) used for hammer forming edges of intake cowling
knoba - Workshop extractor

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Needed to make a tucking fork for this operation
knoba - Workshop extractor

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Front side.
knoba - Workshop extractor

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Back side.
knoba - Workshop extractor

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Power. Extractor is quiet & very powerful.
knoba - Workshop extractor

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Materials:
(FAN)
1 x Extractor fan
1 x Wall interface plate (1.5mm galvanised sheet)
1/8" pop rivets
Rawlplugs
6 x 12x2" stainless steel self tapers
6 x m8 stainless steel washers

(ENCLOSURE)
1 x 4'x4'x1.0mm 304 stainless steel sheet
1/8" pop rivets
Silicone sealant
1/2" closed cell foam sound insulation
High temp spray glue
10mm mild steel bar
2 x m6 stainless steel button cap bolts
2 x m6 stainless steel washers
Plywood
Weldmesh

(INTAKE)
2.0mm 6 series aluminium sheet
Grab adhesive

(ELECTRICAL)
240v metal clad switched outlet with light (5Amp fuse)
Metal clad surface mount backbox
22mm (7/8") through hole rubber grommets
1.0mm twin & earth cable
Rawl plugs
Screws
Earth sleeving
Trunking
Cable ties

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Torin-sifan – Ddn200-180a Extractor

Sassda – Stainless Steel

Rivetwise – Pop (blind) rivets

MK Electric – Commercial / domestic

Thor – Hammers & mallets

knoba – workshop extractor – 2017.dxf

knoba – Metalwork mallets

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http://www.homemadetools.net

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