Like all devices & machines we buy our whole lives, they are built to a budget as opposed to a quality standard, & the quality standard is the level of what they can get away with... Having spent 20 years in Automotive developments & aviation, these industries are no exception.... as are 3d Printers.
The Flash-Forge Dreamers are a relatively good build compared to some machines I have had, however I would make a point of nipping up the screws of the vertical lift mechanism & print bed, also the motor mounts around the machine, & check the external case screws too. Print size max = 230 x 150 by approx 140 tall (ish)
I have 4 Dreamers now & they have each passed 1500 print hours print use...
The motors & mother boards survived , but I did add a 5 amp 12v mini power supply & run a CPU cooler & aluminium heat sink on each motor, a centrifugal blower for the X-Carriage Transverse Motor, & a string or remote controlled 12v LED's to better illuminate the case internals.
In the lower rear of the machine I also fitted 2 x 120mm fans that suck from the front are & blow toward the case rear. These are 30mm from the rear wall & simply circulate the air in the case. A digital thermometer shows that the machines do the best prints when the case settles at approx 38'C. I also removed the Right Hand vent & had the lid ajar resting on the front pillars.
I have found that..... the machine ran best when the bed & extruder is heated up for 30 mins before you begin to level the print bed & prep a print. This way, the manual settings remain accurate throughout the print. Setting / Leveling the bed is pointless until the machine has been up to temp for at least 30 minutes.
I also bought a Borosilicate glass sheet to print on, coated it with Elmers Glue-All PVA adhesive diluted to 95% water. Printing ABS, I have the bed at 120'C, nozzles at 230 > 240'C depending on the speeds I want to print at. When the print is complete, un-clip the glass sheet & pop it on a marble slab... the print leaps off with a bang soon after....... Print after Print, none stop, 6 days a week, 14 hrs a day... they just keep working.
I must say, I am delighted with these 4 Dreamers, and having seen the traumas that other people have with their machines, I think I made a good choice. The display & indexing of functions is easy to drive, the slicing software is SOOOOO simple too. I do now use Simplify3D, as I can get faster prints from the machines, but whenever I need a precision print, the Flash-Print Software always works.... except for Rafts & Supports - these functions are awful tho :-)
I generally start printing at 8am thru 10pm most days on all 4 machines without let-up, other than for a Nozzle change occasionally.... & as long as the machines are handled with care, the bed leveling/height remains good for weeks at a time, & I generally re-set the bed height during a print 1st-layer any way these days.
I have several other machines of 600 x 300 bed size that supersede the Dreamers in many ways, but I will never dispose of these 4 fab little machines. They are just cute & so reliable for smaller jobs that need rattling off quickly. I've used similar sized alternative makes, costing £1800+ & was not impressed. Flash-Forge Dreamer is an EXCELLENT beginners & commercial quality table top machine for smaller parts.
Marks out of 10 for:
Value for money 10
Ease of use 10
Print Quality 10
Spare Parts - (never needed any)
Slicer Software 8 (rafts & support structure are hopeless)
Would I buy another YES
Regards to all