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Gone West

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That's the Mak2Fer adapter done and ready to test print!

I've really dumbed this down to 2 parts. There's no spring operated release button to take the adapter off of the Ferrex tool as I'll never be buying Ferrex batteries as Makita is my chosen platform. The adapter will stay on the tool forever. It's a case of slide on the adapter and drop in the "wedge". I'll likely keep that in place with a drop of silicone so the adapter could be removed later if needs be. Or I might do the copper battery tabs to they hold the wedge in place.

 

Just got to wait for my printer to wake up!

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Mak2Fer adapter. Just waiting for some 1mm copper sheet to turn up so I can make battery connectors:

 

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I forgot to emboss  MAK2FER on the sides!

Edited by Onoff
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I DON'T BELIEVE IT!

Somehow I've managed to design this "Mak2Fer" adapter above, so the + & - terminals are on opposite sides! Spin the Makita battery through 180deg on the model and it works but then you couldn't slide the battery in without making the adapter a lot longer and having it stick out the back.

Back to the drawing board for some crossover action!

As I'm never going to buy a Ferrex battery and charger it would probably be quicker to rewire the tool itself.

 

But where's the fun in that?

 

It'll be something on these line's, a dog legged arrangement to swap the polarity. These renderings are of an early Ferrex to Bosch adapter I'm working on. I've now thought of something a bit more elegant and might use 10mm2 copper wire to save on copper strip. 

 

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Well...


The revised/reprinted Makita to Ferrex adapter works...'ish.

First mistake was not tinning the copper blades prior to inserting them into the plastic. I put too much heat on one of the blades and it "sunk" into the print. Tbh that's just aesthetics.

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In use...the hedge trimmer works fine...for about 2 seconds then stops. Release & pull the front handle again and you get another 2 seconds. Makita (clone) battery is fine and charged. I tried 2 3Ah batteries, then 2 5Ah, same issue. It's actually useable as in you cut on one pass, stop, then go again. I wonder why.....some intelligence in the tool or battery?

 

The hedge trimmer manual say to only use Ferrex 20V 2Ah or Ferrex 20/40V 2.5Ah batteries.

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  • 4 weeks later...

@PeterW, morning. Seem to recall you saying you've a mate or something who uses the Anycubic printers at work (for prototyping?) The recommendation being the main reason I went for it. Half thinking you might have an Anycubic as well?

 

Printing PLA is pretty much a doddle with zero adhesion problems due to the special, dimpled, Ultrabase heated bed being so good. It sticks like the proverbial then once cool a light breeze will release the print it comes off that easy.

Printing ABS though is proving an absolute pig! Don't want to use any adhesion promoter on the bed for fear of damaging it. Having it in an enclosure as we now have and at the sort of temperatures we need to print ABS (and stop warping) we risk damage to the electronics. 

 

Trying to source a 220 x 240mm glass bed to fit instead. This so I can use Kapton tape, ABS slurry etc with abandon!

 

The FB group I've joined hasn't really helped as I hoped they would either!

 

Wish I'd gone for an Ender 3 tbh. 

 

Do the people you know print ABS on the i3?

 

Cheers 

Edited by Onoff
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  • 4 weeks later...
1 hour ago, PeterW said:


£16-24/kg from where I have seen it. Colour saturation seems to be the drawback but if you’re not seeing it then that shouldn’t be an issue 

 

As I can't yet successfully print in ABS I've been spraying PLA to go outside. Plastic primer and whatever top coat. Time will tell. 

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  • 1 month later...
17 minutes ago, SteamyTea said:

@Onoff

Did you ever get a temperature display working?

 

Yes, or at least my lad did, a very basic realtime, text output using 4 DS18B20s and a Pi. Not the all singing, all dancing gui in the corner of the screen I'd hoped for.

 

Printer is sitting gathering dust now he's back at uni.

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On this similar bu slightly separate note, has anyone had a 3D model of their self build printed? Thinking its be a great way of visualising the build and also as a bit of something/art/sculpture to tell the story. No idea where/how you'd start but thought I'd be best asking the experts on BH (and hope a bit of flattery can get you anywhere!).

 

TIA

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If your architect has a 3D model of your house and understands 3D printing it might not be too expensive. Otherwise someone has to create a printable CAD model. Thats not something most 3D printing services get involved with. Once you have that its probably not too expensive. If I was getting one done I'd want each floor and the roof printed separately so I can take it apart. 

 

One issue is with colour. Most 3D printing is in monochrome and that tends to make features less obvious. For example on a CAD model the window frames may stand out because they are a different colour to the brickwork. On a monochrome 3D print the frames may be far less obvious. I suppose you could easily paint it though.

 

 

 

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  • 4 months later...

Duratool multitool, ripe for conversion to Makita power. The Makita battery actually slides part way in. If there was a bit more meat in the tool base I could have maybe modded that. As it stands I'll have to figure an adapter. Fire up the Vernier George!

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Just printing the test piece to insert in the Duratool base. Hollowed out to save on material / time. Designed in AutoCAD by me. Sliced in Cura by the lad. The .stl opened in Fusion by the lad to generate these pretty renders. I'll round the edges off and graft it to the Makita bit later on:
 

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Grafted the infill piece to the Makita battery adapter design I've already done. A couple of pretty renderings:

 

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Now printing in clay red PLA.

 

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Sods Law the new reel was wider than the holder on the 3D printer so I just made a new one out of a st/st door kick plate and some 20mm pvc conduit & fittings plus a bit of 32mm waste and a bfo stainless washer:

 

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I'll update in about 8 hours when it's printed! ?

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Finished, it'll do. Only 10% infill which is down to my boy not me. Seems very lightweight. Took about 6 hours. 

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These "ragged" areas were supported. The quality is to my mind a bit carp. Tbh you don't see these when the adapter is fitted but it still bugs me! Be interested to see prints of other people's "supported" faces.

 

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I'll make the copper strip inserts tomorrow hopefully.

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Yes supported faces can be poor. Cura has some options that do different support patterns but I found the default grid is normally the best. Perhaps worth experimenting with nozzle temperatures and fan speeds on some test pieces. 

 

Quite often I cut objects into several parts in F360, rotate to avoid needing supports and glue back together.

 

I've recently  been printing more PETG filament and while it has its own issues (like more stringing) its great for large parts because it doesnt warp up off the bed like PLA can.

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2 hours ago, Temp said:

Yes supported faces can be poor. Cura has some options that do different support patterns but I found the default grid is normally the best. Perhaps worth experimenting with nozzle temperatures and fan speeds on some test pieces. 

 

Quite often I cut objects into several parts in F360, rotate to avoid needing supports and glue back together.

 

I've recently  been printing more PETG filament and while it has its own issues (like more stringing) its great for large parts because it doesnt warp up off the bed like PLA can.

 

Never had issues really with PLA warping. Pretty sure it's due to the special qualities of the Anycubic Ultrabase that's "dimpled" for want of a better word and coated with something magic...

 

ABS...different story! Still haven't cracked that. Reluctant to use ABS slurry as it needs scraping off periodically and I don't want to damage the Ultrabase! Got some Kapton tape in desperation but again don't really want to stick it to the Ultrabase.

 

Also bought a hugely expensive piece of chamfered and cut to size, borosilicate glass & clips to go atop the Ultrabase. Plan is to coat that with ABS slurry or the (again) magic tin of "hairspray esque" stuff  I bought.

 

A roll of PETG sitting here, untried as yet.

 

 

 

 

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