Workshop extractor

Intake side. Made from aluminium.

~§~

Exhaust side. Enclosure made from 304 stainless steel, plywood & galv weldmesh.

~§~

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

~§~

3 developments. Mallet formed. Pop riveted & silicon seams. Cad file below.

~§~

Removable grill made from plywood & weldmesh.

~§~

Hardwood former (1st) used for hammer forming intake cowling

~§~

Hardwood former (2nd) used for hammer forming intake cowling

~§~

Hardwood former (3rd) used for hammer forming intake cowling

~§~

First phase complete. To do: trim edges & fold over returns…

~§~

Softwood former (4th) used for hammer forming edges of intake cowling

~§~

Needed to make a tucking fork for this operation

~§~

Front side.

~§~

Back side.

~§~

Power. Extractor is quiet & very powerful.

~§~

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

~§~

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

•••

Spool winder unwinder

Takes many sized spools

~§~

~§~

~§~

Wire holder & hex key holder

~§~

Adjustable friction clutch

~§~

What’s in the CAD file…

~§~

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)

~§~

knoba – spool winder unwinder – 2018.dxf

knoba – thunb wheel jig

Rapid electronics – stick on rubber feet

•••

Bobbin sander mods

Table inserts to replace the plastic ones (hole between sandpaper & table)

~§~

Machined table inserts (made with holesaws & angle grinder), from plate

~§~

Pickling overnight in sulphuric acid to remove mill-scale from hot-rolled steel

~§~

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

~§~

After pickling they are desmutted with detergent & a pan scourer

~§~

What’s in the CAD file

~§~

Printed 1:1, they make great stick on templates for more machining

~§~

Making a shim to fit into the aperture

~§~

Welding magnets placed on top

~§~

Thin bead of silicon sealer

~§~

Drop in shim

~§~

Drop in large table insert

~§~

Place magnets over hole & leave for 48 hours

~§~

Templates stuck, centre punched, pilot drilled & cleaned

~§~

Increased hole size to 6mm (1/4″) and countersunk both sides

~§~

Perfect. No more misaligned levels when sanding.

~§~

Was going to install small magnets but the inserts are fine

~§~

Added a basket for the bits & pieces.

~§~

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

~§~

Triton tools – Bobbin sander Tsps-450

knoba – bobbin sander mods – 2018.dxf

•••

3in1 metal working machine extras

Acquired a bare 3in1 metalwork machine (bends, cuts, rolls).

~§~

Machine needed a sturdy base.

~§~

Detail in the CAD file below

~§~

Chassis finished.

~§~

Made a shelf to catch cut sheet from perforated aluminium.

~§~

Shelf being trialled.

~§~

~§~

Machine on base.

~§~

I make tool socks for my equipment.

~§~

Elastic stitch, eyelet, nylon cord and plastic holder thing.

~§~

Keeps tooling with the machine for adjustment / maintenance.

~§~

I also make covers for my equipment. Poly cotton.

~§~

Detail in the CAD file below

~§~

Identical scales on both slip roll adjusters. Machined from ally.

~§~

Stamped & levelled thread bottoms so both top settings match.

~§~

Added a fence carrier to keep it with the machine.

~§~

Ready for work, or storage.

~§~

Materials:
1.5m x 50mm x 6mm f/s
6.0m x 50mm x 3mm shs
1m x 2mm x 12mm i/d chs
4 x castors
4 x M10 Bolts x 50mm
12 x M12 Bolts x 70mm
4 x M10 Washers
12 x M12 Washers
4 x M10 Square Weldnuts
12 x M12 Hex Weldnuts
8 x 50mm x 50mm Black Square Plastic End Caps
Paint, Direct to metal, light blue
Polycotton 2m x 1.1m 
Polyester Thread
2.5m Ball chain

~§~</p

Clarke – SBR760 3 in 1 Sheet Metal Machine

knoba – 3in1 metal working machine stand – 2017.dxf

knoba – 3in1 metal working machine cover – 2017.dxf

•••

Lab tripod

Made from 304 stainless steel.

~§~

~§~

It disassembles when not required. The tig’ed nuts are clearance drilled.

~§~

Silicon feet good to approx. 200°c.

~§~

In action.

~§~

CAD file link below.

~§~

knoba – lab tripod – 2017.dxf

•••

Jewellers bench plate

Plate is 5mm x 200mm, spot welded clamp bracket is 2.2mm, mild steel.

~§~

Clamp is 6mm x 25mm, m8 threaded bar, turned piece on end

~§~

Finish is sulphuric acid pickling & satin black cellulose

~§~

Good stability, very solid.

~§~

knoba – Jewellers Bench – 2016.dxf (CAD file link below)

~§~

knoba – Jewellers Bench – 2016.dxf

•••

Interior van handles

Van tidy-up; out with the old…

~§~

200mm x 25mm x 6mm 304 stainless steel ‘vandles’.

~§~

200mm x 25mm x 6mm 304 stainless steel ‘vandles’.

•••

Concrete post finials

Finished finial for these 4″ concrete posts…

~§~

Metal brackets (the 3 shown in centre of picture) allow the finials to slide on

~§~

Countersunk to accept screws into the wood on top

~§~

Body was made more durable by gluing the wood perpendicular to each other

~§~

B&Q – Wooden Post Cap

•••

Window grills

To protect a pair of period glazed windows from ball impact strikes.

~§~

Low profile, near hinge side, allows window to open without impediment.

~§~

Upright frame sections take loading from the arched mesh and dissipate shocks.

~§~

Frames will be fitted with only the top laterals fixed (m5 countersunks).

~§~

~§~

Balling achieved by melting ends with TIG.

~§~

~§~

Single sided adhesive closed cell foam tape (20mm x 1.5mm).

~§~

~§~

Homemade tucking fork used to shape the open wire ends.

~§~

Wooden buck used to profile the weldmesh.

~§~

knoba – Window Mesh – 2015.dxf (link below)

~§~

knoba – Window Mesh – 2015.dxf

Parker Steel – 20 X 3mm Mild Steel Flat

Parker Steel – 2″ X 2″ X 10G GALV Weldmesh Sheet

Ebay – Black Single Sided Foam Tape Closed Cell 20mm Wide x 1.5mm Thick

Ebay – m5 Countersunk Pozi Machine Screws

Screwfix – No Nonsense Timber Decking Oil Clear 5Ltr

•••

Garden Arch

Made from fencing panels (bent by kerf cutting laterals).

~§~

Supported by an external welded steel framework (30mm x 8mm x 30 meters).

~§~

3m wide x 3m high (3.6m from bottom of steps).

Now home to a sweet flowering Jasmine.

~§~

Theflowerexpert.com – Jasmine

Parker Steel – 30 X 8mm Mild Steel Flat

•••

Screwdriver Rack

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

knoba – Screwdriver Rack – 2014.dxf (link below)

~§~

Perspex – Fluorescent Cast Acrylic Neptune Blue 7T97

knoba – Screwdriver Rack – 2014.dxf

•••

Plier Rack for electronics bench

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

Upgraded: 25mm x 2mm self adhesive foam strips for tweezer base

~§~

~§~

knoba – Plier Rack – 2014.dxf (link below)

~§~

Perspex – Fluorescent Cast Acrylic Neptune Blue 7T97

knoba – Plier Rack – 2014.dxf

•••

Wardrobe in stainless steel

Wardrobe in 304 stainless steel

~§~

-FEET-

Parts for the castor mounts

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

-SHOE RACK-

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

-UPRIGHTS-

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

-HANGER RAIL-

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

-TOP MESH-

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

-ASSEMBLY-

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

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

•••

Aerial in Stainless steel

Aerial in 304 Stainless steel

~§~

~§~

MIG welded with Easb 0.8 308lsi stainless wire & BOC Stainsheild

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

knoba – Angle grinder pigtail for polishing

knoba – V Blocks

knoba – Doming plate

Makita – 9565PCV 125mm Variable speed angle grinder

•••

TIG Trolley

~§~

~§~

~§~

Quick release

~§~

~§~

~§~

~§~

knoba – V Blocks

Forum – mig-welding.co.uk

B&Q – Hand Trolley HT2022

Hammerite – Direct to Rust Metal Paint

•••

Metal horse for metal working

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

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

•••

Stainless steel TV Stand

Polished 304 Stainless steel & oak flatscreen TV Stand

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

~§~

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

•••