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

Bobbin sander mods

Table inserts to replace the plastic ones (hole between sandpaper & table)
knoba - bobbin sander mods

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Machined table inserts (made with holesaws & angle grinder), from plate
knoba - bobbin sander mods

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Pickling overnight in sulphuric acid to remove mill-scale from hot-rolled steel
knoba - bobbin sander mods

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The drop on this aperture is 3.5mm, my plate (same as the plastic inserts) is 3mm…
knoba - bobbin sander mods

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After pickling they are desmutted with detergent & a pan scourer
knoba - bobbin sander mods

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What’s in the CAD file
knoba - bobbin sander mods

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Printed 1:1, they make great stick on templates for more machining
knoba - bobbin sander mods

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Making a shim to fit into the aperture
knoba - bobbin sander mods

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Welding magnets placed on top
knoba - bobbin sander mods

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Thin bead of silicon sealer
knoba - bobbin sander mods

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Drop in shim
knoba - bobbin sander mods

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Drop in large table insert
knoba - bobbin sander mods

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Place magnets over hole & leave for 48 hours
knoba - bobbin sander mods

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Templates stuck, centre punched, pilot drilled & cleaned
knoba - bobbin sander mods

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Increased hole size to 6mm (1/4″) and countersunk both sides
knoba - bobbin sander mods

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Perfect. No more misaligned levels when sanding.
knoba - bobbin sander mods

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Was going to install small magnets but the inserts are fine
knoba - bobbin sander mods

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Added a basket for the bits & pieces.
knoba - bobbin sander mods

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Materials:
6 x 100x100x3 mm (4"x4"x1/8") plate/sheet mild steel
1 x 100x100x0.25 mm (4"x4"x0.010") shim mild steel
Silicon sealer

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Triton tools – Bobbin sander Tsps-450

knoba – bobbin sander mods – 2018.dxf

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Lab tripod

Made from 304 stainless steel.
knoba - lab tripod

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knoba - lab tripod

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It disassembles when not required. The tig’ed nuts are clearance drilled.
knoba - lab tripod

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Silicon feet good to approx. 200°c.
knoba - lab tripod

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In action.
knoba - lab tripod

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CAD file link below.
knoba - lab tripod

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knoba – lab tripod – 2017.dxf

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Hss indexable metal scraper

Originaly a ‘Moore& wright’ high carbon steel metal scraper…
knoba - hss indexable metal scraper-

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It now accepts high speed steel pieces from a parting off blade…
knoba - hss indexable metal scraper-

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Shank had to be; removed, annealed and then machined (M4)…
knoba - hss indexable metal scraper-

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knoba - hss indexable metal scraper-

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knoba - hss indexable metal scraper-

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knoba - hss indexable metal scraper-

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RDG tools – Parting Blades

Moore & Wright – Precision measuring equipment

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Desktop bookends

1.5mm 304 brushed Stainless steel.
knoba - desktop bookends

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knoba - desktop bookends

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knoba - desktop bookends

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knoba - desktop bookends

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knoba - desktop bookends

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Current reading list…
knoba - desktop bookends

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knoba – Desktop Bookends – xcf.zip (link below)
knoba - desktop bookends

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knoba – Desktop Bookends – xcf.zip (link below)
knoba - desktop bookends

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knoba – Desktop Bookends – xcf.zip

knoba – Folding bar

Bahco – Smooth cut files

Snap-on – File handles

Smith and Arrow – Disc abrasives

Makita – 5″ Angle grinders

HSE – Pickling paste

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Leather Burnisher

In Iroko & brass, with polished waxed finish…
knoba - leather burnisher

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Colron – Refined Finishing Wax

The wood database – Iroko

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Garden Arch

Made from fencing panels (bent by kerf cutting laterals).
knoba - garden arch

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Supported by an external welded steel framework (30mm x 8mm x 30 meters).
knoba - garden arch

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3m wide x 3m high (3.6m from bottom of steps).
knoba - garden arch
Now home to a sweet flowering Jasmine.

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Theflowerexpert.com – Jasmine

Parker Steel – 30 X 8mm Mild Steel Flat

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Sealey SM5 Metal Bandsaw mods

Made benchtop feet, completely serviced & repainted.

Bandsaw mods

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Improved vice: precision pin lock for 90° cuts & ‘one-hand’ quick lock for angles.

Bandsaw mods

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Improved “stock stop” for repeat cuts.

Bandsaw mods

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Bandsaw mods

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Bandsaw mods

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Bandsaw mods

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Sealey – SM5 Metal Cutting Bandsaw

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Metal spinning bearing formers

Metal spinning bearing formers in 2 crown profiles from 304 stainless steel
Metal spinning bearing formers

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IMG_2057

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SKF – 608 Deep groove ball bearings, single row

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Radius keepers

Radius keepers prevent files from making score marks in the corners/radii while slotting out (m10 nut for scale).
Radius keepers

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Example usage
Radius keepers

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Center finder for drill indexer

Center finder for drill dividing plate
Center finder for drill indexer

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knoba – Dividing plate for pillar drill

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Mini V Blocks

Mini V Blocks
Mini V Blocks

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knoba – VBlock-AnglePipe we… 2008.dxf

knoba – Large V blocks

Hammerite – Direct to Rust Metal Paint

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Slappers

Slappers for shaping/smoothing metal sheet & panels
Slappers

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Metal casting furnace

Metal casting furnace suitable for aluminium, zinc & copper alloys
Metal casting furnace

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Stainless steel furnace ties from TIG wire filler
Metal casting furnace

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Metal casting furnace

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Using a jig to produce identical polystyrene blanks to mould the inner refractory lining
Metal casting furnace

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Metal casting furnace

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Metal casting furnace

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Metal casting furnace

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Metal casting furnace

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Metal casting furnace

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Reducing (carburizing), neutralising, oxidizing adjustment aperture and drain port.
Metal casting furnace

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‘Pattern’ for my electronics stand
Metal casting furnace

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Metal casting furnace

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Machined back brass ingot showing very few inclusions
Metal casting furnace

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Machined aluminium billet showing very few inclusions
Metal casting furnace

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Metal casting furnace

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Crucible Lifting irons & a pair of trivets.
Metal casting furnace

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Trivets.
Metal casting furnace

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15″ & 10″ cope & drag flasks.
Metal casting furnace

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Pigging tin (cup cake baking tray, aka ‘ingot molds’).
Metal casting furnace

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Excess melt used to make ingots. Ingots save crucible space & cut down dross on the next melt.
knoba - Metal casting furnace

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The skimmed dross (impurities) from melted aluminium items.
knoba - Metal casting furnace

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Flux / degaussing diffuser.
Metal casting furnace

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Welded mild steel crucible for aluminium alloys.
Metal casting furnace

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Extended trivet.
Metal casting furnace

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Drossing spoon.
Metal casting furnace

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Welded stainless steel crucible for copper alloys & crucible pouring shank.
Metal casting furnace

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Melted brass, when skimming off the dross a beautiful, bright yellow & green luminosity is seen…
Metal casting furnace

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Used for making round stock
Metal casting furnace

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Halfords – V High Temperature Engine Enamel Paint Matt Black

Everbuild – Kos Fire Cement Buff

Hydroponics-simplified.com – Perlite

Myfordboy’s furnace

Bullfinch – Standard burner no.1250

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Wardrobe in stainless steel

Wardrobe in 304 stainless steel
Wardrobe in stainless steel

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-FEET-

Parts for the castor mounts
Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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-SHOE RACK-

Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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-UPRIGHTS-

Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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-HANGER RAIL-

Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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-TOP MESH-

Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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-ASSEMBLY-

Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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Wardrobe in stainless steel

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knoba – Wardrobe – 2009.dxf

knoba – Angle grinder pigtail for polishing

knoba – Dewalt DW872 TCT metal chop saw mods

knoba – V Blocks

knoba – Doming plate

Forum – mig-welding.co.uk

Starrett – HSS Bi Metal Hole Saw Kits

Cibo – Finit-Easy

Cibo – Finimaster Pro

Parker steel – Stainless Steel Metric Flats

Parker steel – Stainless Steel Metric Rounds

Metalgeek.com – Tube Coping Calculator

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Dewalt DW 320 radial arm saw table

Radial arm saw table

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Radial arm saw table

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Radial arm saw table

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Radial arm saw table

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Radial arm saw table

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Radial arm saw table

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Radial arm saw table

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Hammerite – Direct to Rust Metal Paint

Parkersteel – Carbon Steels Square Hollow Section

Castors-Online – 75mm Swivel Castor with Single bolt fixing

knoba – Radial Arm Saw Stand – 2011.dxf

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Mobile transceiver mount

Kenwwod MB430 Mobile transceiver mount
Mobile transceiver mount

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Quick release
Mobile transceiver mount

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Tig welded
Mobile transceiver mount

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Arc welded
Mobile transceiver mount

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Mobile transceiver mount

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Mobile transceiver mount

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Mobile transceiver mount

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Hot oil finish
Mobile transceiver mount

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Mobile transceiver mount

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Mobile transceiver mount

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V Blocks

V Blocks

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V Blocks

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V Blocks

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V Blocks

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V Blocks

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V Blocks

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V Blocks

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V Blocks

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V Blocks

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V Blocks

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V Blocks

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V Blocks

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knoba – VBlock-AnglePipe we… 2008.dxf

knoba – Mini V Blocks

Forum – mig-welding.co.uk

Hammerite – Direct to Rust Metal Paint

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Metal horse for metal working

Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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Metal horse for metal working

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knoba – Metal Horse – 2010.dxf

Forum – mig-welding.co.uk

Hammerite – Direct to Rust Metal Paint

Wilton – 1550 High-Visibility Safety 5” Vise with Swivel Base

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Stainless steel TV Stand

Polished 304 Stainless steel & oak flatscreen TV Stand
Stainless steel & oak TV Stand

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Stainless steel & oak TV Stand

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Stainless steel & oak TV Stand

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Stainless steel & oak TV Stand

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Stainless steel & oak TV Stand

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Stainless steel & oak TV Stand

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Stainless steel & oak TV Stand

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Stainless steel & oak TV Stand

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Stainless steel & oak TV Stand

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Stainless steel & oak TV Stand

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Stainless steel & oak TV Stand

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knoba – Tv Stand – 2008.dxf

Forum – mig-welding.co.uk

Colron – Refined Finishing Wax

Parker steel – Stainless Steel Metric Rounds

Cibo – Finit-Easy

Cibo – Finimaster Pro

Metalgeek.com – Tube Coping Calculator

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Dewalt DW872 tct metal chop saw mods

Improved vice faces (flattened for greater surface contact area).
Dewalt DW872 tct metal chop saw mods

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Stiffened table edge with steel strip (blue stripe in pic).
Dewalt DW872 tct metal chop saw mods

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Fence for repeat cuts (2″ to 12″).
Dewalt DW872 tct metal chop saw mods

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Dewalt DW872 tct metal chop saw mods

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Dewalt DW872 tct metal chop saw mods

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Dewalt DW872 tct metal chop saw mods

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Plasti Dip – Regular Can 400ml

Dewalt – DW872 tct metal chop saw

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