MullOverThing

Useful tips for everyday

# How do I calculate my 3D printer power supply?

## How do I calculate my 3D printer power supply?

Add in what your heated bed is rated for, and you’ll have a minimum required wattage for your power supply. To get the amperage, simply divide by the output voltage, e.g. 360W / 12V = 30A. Here are some examples: The standard minimum for 3D printers is usually 240 watts (12 volts @ 20 amps).

Do all 3D printers print at the same speed?

Currently, there are generally three sets of printing speed that 3D printers can support. The first set is has been grouped at around 40 to 50mm/s, while the second set prints at about 80-100mm/s. Meanwhile, the fastest set prints at around 150mm/s. Some printers may even print at a speed faster than 150 mm/s.s.

How much power does a 3D printer consume?

What they found is that that printer uses about . 05 kilowatt hours for a 1 hour print, which is a very low amount of electricity. The average use of 3D printers for an hour is 50 watts.

### How much does a 3D printer cost per hour?

So, here’s what I found: A 3D printer consumes approximately 7.5g of filament per hour when printing at a 0.2mm layer height, which results in a filament cost of 15 cents per hour assuming that the filament spool costs \$20 for 1kg, and an average of 1.58 cents per hour in power consumption.

How to determine the acceleration of a printer?

As a rule of thumb, it might be smart to then set the actual speed, jerk and acceleration approximately 20% below the the maximum found as a safeguard when printing. Also, bear in mind that the strength of stepper motors lowers for higher speeds, so that the nozzle will not hold its path very well if obstructed.

What’s the difference between acceleration and jerk in 3D printing?

The higher the setting, the quicker the print head will get to its maximum speed, the lower the setting, the slower the print head will get to its maximum speed. A lot of times your top speeds won’t be reached when 3D printing, especially smaller objects because there is not much distance travelled to make full use of the acceleration.

#### Which is the best tool to calculate acceleration?

A tool that you might find useful for experimenting with acceleration is RepRap Centrals Acceleration Calculator (at the bottom). By setting an acceleration, length of travel and target speed, you can see: The theoretical speed that can be achieved during the travel with your set acceleration (yellow line).

What is the jerk speed of a printer?

Jerk speed is the speed that the printer will immediately jump to before taking acceleration into account. With a jerk of 20mm/s, the printer will make an immediate jump from 0 to 20 mm/s, and thereafter speed up to the desired speed by following the acceleration profile.