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Black metal-frame FDM 3D printer with lattice glass bed, dual blower fans, 4.3 inch touch screen, open gantry design

LONGER

LONGER LK5 Pro 3D Printer 300x300x400mm Dual Blower Kit

SKU CH-R5TP-XNH68

FDM 3D printer with a 300 × 300 × 400 mm build volume, dual blower cooling, lattice glass bed and power-loss resume printing

  • Type3D Printer
  • ColorBlack
  • Number of Extruders1
  • Body MaterialMetal
  • Chassis MaterialLattice glass
  • TechnologyFDM (Fused Deposition Modeling)
  • Large 300 x 300 x 400 mm build volume enables bigger single-part prints
  • Dual blower kit cools extruded filament faster for cleaner overhangs
  • Resume printing restarts from the last position after power loss or filament run-out
  • Lattice glass platform heats quickly and holds prints firmly without warping
  • 3 inch colour touch screen gives direct control without a connected computer

Large build volume for tall prints

The LONGER LK5 Pro offers a 300x300x400mm build area, giving makers and hobbyists room for tall, single-piece models. Its FDM technology and single 0.4mm nozzle handle 1.75mm filament at layer heights from 0.1 to 0.4mm. A filament detector and heated lattice glass platform improve first-layer adhesion and reduce warping.

SD and USB workflow with modest speed ceiling

Files transfer via TF card or USB cable, and the 4.3-inch colour touch screen controls slicing output in G-Code, STL or OBJ format. The printer tops out at 120mm/s, though the supplier suggests 60-80mm/s for reliable results. Operation is limited to 10-30°C ambient temperature and 20-50% humidity, so a stable indoor environment is required.

Metal frame with dual blowers and removable glass

The metal chassis carries a lattice glass plate that heats quickly, holds parts firmly and releases them easily once cooled. A dual blower kit directs extra airflow at the nozzle for faster layer solidification. Open-source firmware lets users customise behaviour, while resume printing recovers from power loss or filament run-out without restarting the job.

Highlights

  • Large 300 x 300 x 400 mm build volume enables bigger single-part prints
  • Dual blower kit cools extruded filament faster for cleaner overhangs
  • Resume printing restarts from the last position after power loss or filament run-out
  • Lattice glass platform heats quickly and holds prints firmly without warping
  • 3 inch colour touch screen gives direct control without a connected computer

Specifications

BrandLonger
ModelLK5 Pro
Part Number202202
Type3D Printer
ColorBlack
Number of Extruders1
Body MaterialMetal
Chassis MaterialLattice glass
TechnologyFDM (Fused Deposition Modeling)
Build Size11.8"*11.8"*15.7"
Layer Thickness0.1-0.4mm
Print JetsSingle Jet
Filament Diameter1.75mm
Jets Diameter0.4mm
Max Working Speed120mm/s
InterfaceSD card, USB
Operation System RequirementsWindows,Linux,MAC
Software BundleCura,repetier-host
Operation Temperature10-30?
Power Requirements24V
Features1, classic black appearance, durable.
2, power failure renewal, intelligent induction without fear of power failure.
3, broken material detection, sensitive sensing real-time monitoring.
4, 4.3-inch touch screen, the large size can be touched.
5, auxiliary leveling, humanized design.
6?All-in-one design, modular installation, worry-free assembly.
7?High-quality lattice glass, hot sticky cold take, easy to take the model.
8?Tilt-tie triangle structure, stable and non-swaying
9, high-quality blue Teflon tube, helps push smooth feeding.
10 under the installation of an oblique material f
Dimensions580*540*663 MM
Weight11KG
Parts1 Year

Questions about this item

How do I choose between the LK5 Pro and another model if I need the 300x300x400mm build volume?

The LK5 Pro is the only model in this listing with a 300x300x400mm build volume; other models would have different dimensions.

What does the 120mm/s maximum speed mean for my actual prints?

The 120mm/s is the peak mechanical limit; the manufacturer suggests printing at 60-80mm/s for reliable results with the single 0.4mm nozzle.

What does the SD card and USB interface cap in practice?

You can print directly from an SD card or via USB cable without a constant PC connection; file formats supported are G-Code, STL and OBJ.

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