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

TERMS & CONDITIONS

knoba - all your base

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ABOUT:
I do not pay any money for this website. This website, including all site files, does not make any money for me.

If you want to like, or unlike me, subscribe or unsubscribe, that’s ok, I won’t take it personally & fully support any decision, you make, that you feel is in your best interests.

PRIVACY:
I don’t collect or store any of your data because it’s none of my business.

3rd parties:
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Clicking on “share” or “like” buttons, or any external links, will pass responsibility to a different website.

CONTENT:
Content provided “as is”. If it; pleases, helps or inspires, all power to you. CAD files (dxf format) are ascii based text files and are free to download, free from viri, free to reproduce or alter. Image formats are jpg & png. Pdf files are assumed to be in the public domain unless stated otherwise.

COPYRIGHT:
I’m not too bothered about copyright on my stuff (unless someone makes it a major pain for me not to be). Drawings, videos, sounds, images and texts are all originals & free to share. Items and ideas are mostly experiments, discoveries & happy accidents.

LIABILITY:
Machining, looking, getting up in the morning, etc. are all potentially hazardous activities. You are responsible for your own safety.

Invest in yourself & enjoy every day!

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AdBlock – Advert blocker

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Woodwork awl

Recycled from a well-worn & much favoured Stanley philips 201 screwdriver. Re-ground & oil stone honed with 4 sided point
knoba - woodwork awl

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Awesome as a point awl (marking accurate; screw / drill points with brad point bits, flat bits & forstners)
knoba - woodwork awl

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Stanley – hand tools

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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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Spool winder unwinder

Takes many sized spools
knoba - spool winder unwinder

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knoba - spool winder unwinder

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knoba - spool winder unwinder

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Wire holder & hex key holder
knoba - spool winder unwinder

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Adjustable friction clutch
knoba - spool winder unwinder

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What’s in the CAD file…
knoba - spool winder unwinder

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Materials:
1 x 142x100x6 mm (5 5/8"x4"x1/4") plate/sheet mild steel
2 x 50x80x3 mm (2"x3 1/8"x1/8") plate/sheet mild steel
4 x m5x12 mm (3/16"x1/2") socket head bzp machine screws
4 x 12mm (1/2") o/d rubber stick on feet
2 x 25x30 mm (1"x1 1/4") nylon 6-6
3 x M6 (1/4") stainless steel penny washers
1 x M6 (1/4") felt, penny washer size
1 x M6 (1/4") conical spring
1 x M6 (1/4") thumb wheel
2 x M4 (3/16") grub screws
1 x M6 (1/4") circlip, or e-clip, or any other axial load shaft retainer
1 x 250x6 mm (10"x1/4") stainless steel bar
Some paint
& a handle (wood, metal, I used beads for jewellery)

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knoba – spool winder unwinder – 2018.dxf

knoba – thunb wheel jig

Rapid electronics – stick on rubber feet

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Bobbin spool keepers

Threads on bobbins, threads on spools, all very messy.
knoba - bobbin spool keepers

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stick is cut & lacquered, hair band is cut & wire wrapped at top of stick, bead is glued on, loop is made with small crimp in end of hair band.
knoba - bobbin spool keepers

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Neat.
knoba - bobbin spool keepers

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knoba - bobbin spool keepers

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What’s in the CAD file…
knoba - bobbin spool keepers

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Materials (per unit):
1 x 100mm nail stick (hoofer)
1 x 12mm wooden bead
1 x elastic hair band
1 x 2mm i/d crimp (bead/electrical)
wrapping wire
pva glue
varnish/lacquer

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knoba – bobbin spool keeper – 2018.dxf

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Steel thumbscrews & jig

What I’m making: M8 wingbolt
knoba - Steel thumbscrews & jig

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Made these tabs to weld onto bolt heads (details in CAD file below)
knoba - Steel thumbscrews & jig

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Replacing these plastic ones (some have broken)
knoba - Steel thumbscrews & jig

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Stock used in making a welding & alignment jig (to help make the wingbolts)
knoba - Steel thumbscrews & jig

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Materials:
1 x 50x50x6 mm (2"x2"x1/4") flat section mild steel
2 x 50x25x3 mm (2"x1"x1/8") equal angle mild steel
1 x 100x14 mm (4"x9/16") hex bar mild steel

All pickled, de-smutted & deburred.
Jig copes with 6mm to 8mm (1/4" to 5/16") bolts

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8mm hole in centre (top side)
knoba - Steel thumbscrews & jig

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Countersunk 90° included angle (underside)
knoba - Steel thumbscrews & jig

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Marked all & drilled (8mm) holes in uprights
knoba - Steel thumbscrews & jig

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Going to plug weld (MIG) through holes to base
knoba - Steel thumbscrews & jig

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Using a wingbolt tab, as a spacer, wrapped in masking tape to add some clearance
knoba - Steel thumbscrews & jig

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Welded
knoba - Steel thumbscrews & jig

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Dressed with angle grinder flapwheel
knoba - Steel thumbscrews & jig

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Marked and sliced through only the angle iron sections
knoba - Steel thumbscrews & jig

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Cleaned up
knoba - Steel thumbscrews & jig

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Nuts, bevelled, threaded & marked. From hex stock
knoba - Steel thumbscrews & jig

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90° included angle
knoba - Steel thumbscrews & jig

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Different threaded nuts
knoba - Steel thumbscrews & jig

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Nuts hold the bolts in good contact & alignment
knoba - Steel thumbscrews & jig

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Tabs are centre marked, drop in with good alignment, ready for welding
knoba - Steel thumbscrews & jig

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What’s in the CAD file
knoba - Steel thumbscrews & jig

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knoba – steel thumbscrews & jig – 2018.dxf

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