Depending on how the ball sockets are attached, I'd cut the tubes in the middle, then use a sleeve to rejoin them.by etfrench - Delta Machines
I made a small change in the effector height, moving it .05mm closer to the bed. The first layer height is now slightly less than expected, .22mm instead of .25mm. The prints appear to be sticking nicely. Here's a short video of the prints: They are Module .8 herringbone gears, 15 and 120 teeth. Layer height is .07mm. Brim is 9mm and isn't very easy to remove cleanly.by etfrench - General
I had a little better success yesterday by doing the following: Increasing the hotend temp to 270 degrees Setting the bed temp to 115 degrees Adding small pads on the ends Using a 9mm brim The print still failed, but it stayed attached longer. Using another print surface isn't a viable option as the PrintBite is glued to the aluminum build plate.by etfrench - General
Arm length isn't affected by the tower height. Nothing needs to change when changing the arm length, but that doesn't mean you shouldn't change other properties. It's pretty easy to model the changes using 2d CAD. Model the arms at 20 degrees and at 60 degrees. The 20 degree model will tell you what diameter the build plate needs to be (Don't forget to allow for the effector diameter). The 6by etfrench - Delta Machines
I've been experimenting with nylon trimmer string. It prints beautifully but I can't get it to adhere to PrintBite. I've tried bed temperatures from 65 to 110 degrees and hot end temperatures from 235 to 250. The highest I've been able to print an object is 4mm and most failures were closer to 1mm. Does anyone have any tips on adhesion techniques for nylon on PrintBite? Will using an ABS slurby etfrench - General
I removed all of the bearing balls in mine, then cleaned and lubed them. When you remove the rail, put it carriage side down on a towel, then remove the rail from the carriage. If you do it the other way around, the balls will find new places to hide. Use a micrometer to measure the size. If there is any play in the carriage, then you can use oversize ball bearings. If there is a discrepancby etfrench - General
Another option is to use an acetone wipe. Just put a small amount of acetone on a paper towel or microfiber cloth to make the wipe. 30 seconds seems like a really long time for a dip. Try just in and out.by etfrench - General
If the glass is bending when the clips are put on, then your bed is not flat. Fix that first. You can also use 3M blue painters tape on either the bed or the glass when printing PLA. It will also work with ABS, but sticks too well and is hard to remove from the part.by etfrench - Reprappers
Quotekarabas I use cura 2.1 with my delta. No problem. Make you platform and and machine file. And put in corresponding folders. Can you share your files?by etfrench - Delta Machines
The arm length will depend on whether you want the 300mm bed entirely inside the horizontals. If so, you will need the longer arms since the towers will be further apart. I think the 2020 extrusion is a little light for this size delta. I used 2550 Misumi extrusions and have a slightly larger than 300mm print area. Arms are 360mm. The hole pattern on the linked carriages is correct, 20mmX2by etfrench - Delta Machines
QuoteMutley3D You might want to look at Oldham / Silicone / Elastomer / Spider couplings that are used in CNC machines to avoid the twist of the helical coupler issue. However these are generally more expensive. Oldham couplings are backlash free and allow minor misalignment errors.by etfrench - General
Hmmm. Pouring the liquid ceramic over the wax mold (or dipping the mold in the ceramic) doesn't seem to take an immense amount of labor or even very much money. The most expensive equipment is a kiln and a vacuum chamber, hardly $500k.by etfrench - General
There's also machinable wax filament available: . I'm not sure you'll be gaining anything by printing the ceramic directly.by etfrench - General
Is this different than just using PLA instead of wax?by etfrench - General
Quotedeckingman Quotecozmicray Look at cpu thermal paste --- usually a silver oxide or silver paste specifically formulated for heat transfer. Extract from the link above: "Specifications: Extended Temperature Limits: Peak: –50°C to >180°C Long-Term: –50°C to 130°C" Looks just the job for a heater cartridge where filaments need to be heated to between about 190 and 280 deg C. Howby etfrench - General
What design? Is the round hole problem hardware or software related? What have you done to find the source of the error?by etfrench - Reprappers
By toughened glass, do you mean tempered glass or do you mean something like Gorilla glass?by etfrench - Reprappers
Is your printer using the stored values in the EEPROM instead of the new values? If you remove the autolevel gcode, will it print normally?by etfrench - Reprappers
I doubt anyone would consider most of the ball screws and linear guides available through aliexpress to be high precisionby etfrench - General
If the temperature cycles too much, you can use a PID to control it. There are quite a few examples of modifying this type of oven for soldering smd electronics.by etfrench - General
Inspect the gCode for errors as well.by etfrench - Delta Machines
Compared to the Misumi and 8020 extrusions, these would be much weaker. I wouldn't waste any time trying to find the manufacturer.by etfrench - General
They need to be long enough to reach from the carriages to the effectorby etfrench - Reprappers
I think water/liquid cooling would be more efficient for hotend and motor cooling in an enclosure. For the OP's printer, I'd sacrifice 12.7mm of Z height and add some rigid insulation under the bed.by etfrench - General
How many amps does the motor require and how many are you providing? Check the stepper driver documentation for how to measure this.by etfrench - Delta Machines
If you're changing settings based on Z height, it helps to create models for each section starting at Z0 even if you're not changing the parameters in a particular section. If your CAD program doesn't align the blocks correctly, you can use NetFabb to do the alignment.by etfrench - General
Quotenebbian What material would be best for printed motor mounts Aluminumby etfrench - General
QuoteDjDemonD QuotePRZ An increased temperature for the second layer may be of benefit, but I don’t know of a slicer which does that. Sometimes, I was doing that manually. Simplify3d can do this. . Slic3r can do this as well as modify most of the other settings. Look at the "Load Modifier" in the object properties.by etfrench - General
Are you tuning/calibrating the extruder or the effector?by etfrench - Delta Machines
The glass will definitely bow if it's glued to the aluminum. The coefficients of linear thermal expansion are quite different for aluminum and glass.by etfrench - General