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TM2201A's Adventure in 3D Printing


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More as a proving the capabilities of my printer I resized an IronMink model to 1:43.5 and printed an HJO hopper. I need to redesign the axle boxes to enable the fitting of top hat bearings and Slater's wheelers but the print has turned out well.

 

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Edited by TM2201A
changed title to add further printing if other types without creating anew thread
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  • TM2201A changed the title to TM2201A's Adventure in 3D Printing
  • 4 weeks later...

Switching away from the Prusa SL1S SLA machine to prove out some underframe developments on my Prusa I3 FDM...slower and noisier but I wanted to just let the machine run and leave me uninterrupted.

 

The stringing over the prints is a good reminder not to try outsmarting the slicer settings or your usual defaults - I ran the print head about 5c hotter than I'd normally set to and caused the problem, though it cleaned off OK.

 

The two half chassis fit together well and their location features work.

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Edited by TM2201A
Typo corrected
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CAD work on the tanker and its diamond frame bogies has got to the stage that I'm now checking through material thicknesses and considering any tweaks to help with printing.

 

Also lurking on the CAD has been a diagram 1-142 13 Ton Coal Hopper, with a tarpaulin.

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  • 4 weeks later...

More progress on the Henry Diaper latex tankers with trial DLP parts for the straps and the 30' version and an almost inevitable diversion on to the later 51' diagrams  (a long and noisy set of prints on the FDM machine to prove out joints and fits of the chassis and tank body though lacking the tank yokes so the sit if the tank is a bit wonky).

 

 

 

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  • 6 months later...

More on the Octopus. The chassis, cab interior (albeit minus the steering wheel) and tailgate came out over the weekend. Having keyed up the printer to run unattended today the wheels, suspension, various mudguards, tipper hydraulics, fuel tank and tailgate parts have churned out today. A few of the locating pins and holes need to have a check over as they're too tight but pretty good progress.

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While the PC was running some slicing and other print supervision I had chance to do a quick bit of work on some different options; AEC Ergo 4 axle tanker, Late Bison 3 axle tanker.

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Posted (edited)

About an hour's work and the Octopus chassis assembly is together. I couldn't resist gently posing the cab and tipper body on the chassis.

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Edited by TM2201A
Typo
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Whilst the location of the windscreen wipers and mounting of the rear view mirrors on to the windscreen pillars may have  been a good idea in  the drawing office at Joseph Sankey they're a pig to recreate in model form so some compromise is in order for parts that are under 1mm thick.

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