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

Tool trolley

Thrown out. Rubbermaid FG331600OWHT Food Prep Cart & some perforated aluminium baking trays.
knoba - woodwork awl

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Converted to a tool trolley (crash cart). Better than any other OEM tooling cart I’ve ever seen. It won’t rust.
knoba - woodwork awl

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Added some heavy duty handles (made from recycled aluminium scaffold poles). The extruded aluminium channel sections were recycled from a luton van.
knoba - woodwork awl

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Fasteners are stainless steel self tapers / bolts & aluminium pop rivets
knoba - woodwork awl

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I put a floor in it for large items.
knoba - woodwork awl

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Fabricated some drawers for it. They can slide right out but are otherwise retained by the runner design.
knoba - woodwork awl

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Different runner heights make it extremely adaptable.
knoba - woodwork awl

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Its best asset is it can live outside. Other benefits; It won’t hold liquids (rain, oils, etc.). I can leave it empty, load it up with tools and work on my vehicles with a place to organise stuff I take off (airfilters, cam covers, trims, fasteners, etc.)
knoba - woodwork awl

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knoba - woodwork awl

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Specs:
The cart holds up to 175 pounds.

Components are made of impact-resistant structural web plastic and are designed with soft, non-marking rounded corners

All casters are 5-inch non-marking, swivel-plate designed. Two locking wheels and two non-locking wheels make it easy to manoeuvre

Product Dimensions: 36"h x 36"l x 23"w

Shipping Weight: 52.4 pounds

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Rubbermaid – FG331600OWHT Food Prep Cart

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http://www.homemadetools.net

Tool throat LED

CAD stick-on templates, polycarbonate sheet & LED module
knoba - tool throat LED

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Module detail, 240v ac in, 20w out
knoba - tool throat LED

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All 8 holes drilled, cut out centre with fret saw/coping saw
knoba - tool throat LED

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Machined with laminate trimmer (small router)
knoba - tool throat LED

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All cleaned up. Lens (top), body (left) & module (right).
knoba - tool throat LED

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Very slim profile, very bright.
knoba - tool throat LED

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knoba - tool throat LED

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What’s in the CAD file…
knoba - tool throat LED

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Materials:
1 x 75x50x10 mm (3"x2"x3/8") polycarbonate sheet
1 x 75x50x3 mm (3"x2"x1/8") polycarbonate sheet
4 x M3x20 mm (1/8"x3/4") pan head machine screws
2 x lengths 7/0.2mm insulted wire (to suit connection distance)
1 x length heat shrink (to suit connection distance)
1 x small cable tie

nb. plastic sheet was recycled from computer monitor diffusers

Note: 1Amp in line fuse on live side. Use dpdt if switched.

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knoba - tool throat LED

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knoba – Tool throat LED – 2018.dxf

Ebay – Smart IC Driver 20W LED COB 220V

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240v Quick connect

Quick way to hook up stuff to test like; neon bulbs, DUT, etc.
knoba - 240v quick connect

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Standard mains 3 pin plug (UK).
knoba - 240v quick connect

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Access for fuse. Neon bulb, there. Wire gripers are epoxied on.
knoba - 240v quick connect

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Indicator light when unit is live. Entirely from recycle.
knoba - 240v quick connect

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Lathe chip guard

Guard stops hot chips burning my feed hand
knoba - lathe chip guard

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Made from take-away containers
knoba - lathe chip guard

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Flexible, see-through, long lasting, etc.
knoba - lathe chip guard

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Trammel set with micro adjustment

Trammel set

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knoba – Angle grinder pigtail for polishing

knoba – Metal casting furnace

Toolstation – 61139 Stainless Steel Threaded Bar M5 x 1m

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