Glossary

Categories	terminology	descrtion
Print head	Direct Drive Extruder	A direct drive extruder is a type of extruder used in 3D printing that directly mounts the filament feed mechanism on the print head, typically near the hot end. It eliminates the need for a separate filament feeding mechanism located remotely from the print head, such as a Bowden tube setup.
	Hardened steel nozzle	Nozzle Aperture:0.4/0.6/0.8(mm) Applicable filaments size:1.75(mm) Max Temperature:350℃ Wear-resistance, High temperature performance Thermal conductivity:220W/m.k Expansion Coefficient:8.0μm/m·℃ Nozzle size design diagram
	Copper plated nozzle	Nozzle Aperture:0.2/0.4/0.6/0.8(mm) Applicable filaments size:1.75(mm) Max Temperature:350℃ High temperature performance Thermal conductivity:330W/m.k Expansion Coefficient:16.7μm/m·℃ Nozzle size design diagram
	Brass Nozzle	Nozzle Aperture:0.2/0.4/0.6/0.8(mm) Applicable filaments size:1.75(mm) Max Temperature:350℃ Wide application with high cost performance Thermal conductivity:105W/m.k Expansion Coefficient:18.0μm/m·℃ Nozzle size design diagram
	Bimetal Nozzle	Nozzle Aperture:0.4/0.6/0.8(mm) Applicable filaments size:1.75(mm) Max Temperature:350℃ High temperature performance Thermal conductivity: Body:330W/m.k, Tip:105W/m.k Expansion Coefficient: Body: 16.7μm/m·℃,Tip: 18.0μm/m·℃ Nozzle size design diagram
	Tungsten Carbide Nozzle	Nozzle Aperture:0.4/0.6/0.8(mm) Applicable filaments size:1.75(mm) Density：14.98±0.5 g/cm³ HV：1700±20 HRA：92.5±0.3 HC：20±1.0（KA/m） TRS：≥2400 （N/mm²） Max Temperature:370℃ High temperature performance Thermal conductivity: Body:330W/m.k, Tips:105W/m.k Expansion Coefficient: Body: 16.7μm/m·℃,Tips: 18.0μm/m·℃ Nozzle size design diagram
	Extruder Motor	The round stepper motor which is used with the extruder.
	Extruder	The dual gear extruder with 9.5:1 gear ratio.
	PTFE Tube	The tube that the filament goes through from the dry box.
	Chain Cable Carrier	The plastic section made of individual pieces that forms a chain and carry the cables and PTFE tube going to the extruder.
Structure	CoreXY	CoreXY is a motion control system. It is named after its configuration, which consists of two stationary motors and a belt arrangement that enables precise movement in the X and Y axes.
	Enclosed Chamber	An enclosed chamber in the context of 3D printing refers to a structure or housing that surrounds the 3D printer, providing a controlled environment for the printing process. It is designed to create a stable and enclosed space where temperature, humidity, and other environmental factors can be regulated.
	X-axis	High-grade hardness steel hollow linear shafts （X-Plus3/X-Max3） Full-Carbon Rail （X-Smart3）
	Y-axis	High-grade hardness steel linear shafts
	Z-axis	Dual screws and four linear shafts
	Bottom	All-metal and reinforced with metal crossbeams at the bottom （X-Plus3/X-Max3）
Electronics	Application Processor	Quad-core 1.5GHz Cortex-A53 64-bit
	Extruder Independent Processor	Dual-core Cortex-M0+
	Motion Controller	Dual-core Cortex-M4
	Motor drive	TMC2209 silent drive
	Storage	8G Emmc and USB2.0 Flash Drive How to flash system files on emmc
	Wifi	150M 2.4GHz 18dBm(MAX) IEEE802.11b/g/n USB Wi-Fi Adapters
	Camera（optional）	The QIDI camera is an optional upgrade that you can install for the QIDI MAX3/PLUS3/SMART3. You could remote monitor with it via QIDI Slicer/Klipper Console. How to install camera
	Filament run out sensor	Automatically pauses printing when filaments run out, Default maximum pause time 12 hours How to modify the maximum pause time
Fans	Hot end cooling fan	The small fan which is attached to the hotend, which helps to reduce heat transmission between the extruder and the hot end.
	Model cooling fan	The fan is specifically designed to cool the printed layers as they are being deposited onto the print bed.
	Auxiliary part cooling fan	The large radial fan located on the right side panel, which is used for extra strong cooling.
	Motherboard fan	A fan which blows cool air over the motherboard, to keep it cool.
	chamber circulation fan	The fan in the back of the printer which pulls air from inside the chamber, in order to regulate the inside air and ensure it does not over a specific temperature.
	Chamber heater fan	The fan push the heating air to keep the chamber temperature. (Max chamber temperature 65℃)
Build Platform	Hot bed	Temperature: ≤120℃, PID control
	QIDI HF Plate	Double-Sided Flexible Magnetic HF Plate, Better surface adhesion than PEI plate.
	QIDI smooth Plate	Double-sided PEI sheet, one side of which covered PEA film, very good adhesion, keeps the bottom of the print smooth, not as durable as HF plate.
	Glue Stick	The glue stick creates a thin layer of adhesive on the build plate, providing a better grip for the printed object. To use a glue stick, you typically apply a thin layer of glue evenly across the build plate. After the print is completed and the build plate has cooled down, the printed object can usually be easily removed from the build plate.
	Base	Steel plate + aluminium plate
Frame	All-Metal Frame	The internal frame of the printer, made from metal.
	Acrylic door	Removable door made of acrylic.
	Acrylic top cover	Removable top cover made of acrylic.
	Shell	Enclosed plastic shell.
Health + Safe	Activated Carbon Air Filter	The filter located in the Internal backplate of the X-Max3, which filters the air before it is pulled by the fan. And activated carbon is easy to replace or use of recycling.
Health + Safe	Fuse	A fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit.
Filament	QIDI PLA Rapido	A basic PLA filament, for beginners and complex model.
	QIDI PLA Matte Rapido	A PLA filament with a more matte surface, for beginners and complex model.
	QIDI ABS Rapido	ABS (Acrylonitrile Butadiene Styrene) is a commonly used thermoplastic polymer in 3D printing. It is known for its strength, durability, and wide range of applications. Heated chambers print better.
	QIDI PETG-Tough	The PETG-Tough is a rigid, tough, high-performance meterial with odorless, high impact resistance and high heat resistance.
	QIDI ABS-GF25	Use a special multi-layer co-extrusion technology to design the consumables into an inner and outer double-layer structure. The inner layer is ABS resin filled with 25% high content glass fiber, and the outer layer is bonded ABS resin. The duouble-layer structure is retained when the consumables are extruder from the nozzle.
	QIDI PET-CF	PET-CF (Polyethylene Terephthalate with Carbon Fiber) is a composite filament used in 3D printing. It is a combination of PET, a popular thermoplastic polymer, and carbon fibers, which are added to enhance the material's mechanical properties.
	QIDI PAHT-CF	PAHT-CF (Polyamide with High-Temperature Carbon Fiber) is a composite filament used in 3D printing. It combines polyamide, commonly known as nylon, with high-temperature carbon fibers to create a material with excellent strength, heat resistance, and dimensional stability.
	QIDI PA12-CF	PA12-CF (Polyamide 12 with Carbon Fiber) is a composite filament used in 3D printing. It combines polyamide 12, also known as nylon 12, with carbon fibers to create a material with enhanced mechanical properties, strength, and dimensional stability.
	QIDI S-White	QIDI S-WHITE can provide a moderate bond strength to the main material such as PA12-CF, ensures that the main material can be molded to the support surface and can be easily separated from the support surface when the printing is done.
Accessories	Hotend silicone sock	The silicone cover for the hotend is used to protect the hotend from small bits of molten plastic and heat preservation.
	Spool Holder	The plastic holder included in the package which gets attached to the back of the printer and can hold a dry box or single roll of filament.
	Scraper	Metal scraper for scraping off prints.
	Unclogging Pin	A pin which can be used for unclogging the hotend by inserting the pin into the nozzle.
	Silicone Foot	Mounts on the bottom of the printer for less printer vibration.
Printing	Resolution	Refers to the level of detail and precision on the surface of the printed object. Higher resolution typically means smoother and more detailed print results.
	Layer height	The thickness of each layer of printed material. Smaller layer heights generally result in smoother print surfaces but can also increase printing time.
	Wall thickness	The thickness of the walls of the printed object. Appropriate wall thickness provides sufficient structural strength while avoiding excessive material usage.
	Infill density	The density of the internal filling structure of the printed object. Higher infill density increases the object's strength, while lower infill density reduces printing time and material consumption.
	Support structures	Auxiliary structures used during printing to support overhangs or suspended parts. Support structures typically need to be removed or cleared to obtain the final printed object.
	Bridge	The unsupported span between two support points. Longer bridges may require additional support structures or parameter adjustments to ensure print quality.
	Overhang	Refers to the angled or vertical unsupported parts that extend from the print bed. Larger overhang angles may require extra support structures or adjustments to printing parameters.
	Uniform cooling	The process of cooling the printed object evenly during printing to avoid thermal stress and warping. Uniform cooling is crucial for print quality and shape stability.
	Warping	The deformation of the print bed or edges of the object due to shrinkage during the cooling process. Warping can cause the printed object to lose flatness and accuracy.