RepRap 3D printer PCB Heat Bed

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Brand: ASENSAR

  • ₹ 850.00
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This PCB heated bed will transform your printing platform into a heated surface perfect for minimizing warping of larger prints as well as eliminating the need for a raft when printing with ABS.

Technical Details

Version: Heatbed MK2B Dual Power
PCB Type: 2 layer, 35µm copper
Material: Laminate FR4 1.6+-0.15mm
Mounting Holes: 3mm copper plated holes
Resistance between terminals: 1.0-1.8 ohm (12V) or 3-3.6 ohm (24V)

Dimension

Active heated area:    200 mm x 200 mm
center-to-center mounting holes: 209 mm (outside the active area)
Total PCB size: 214 mm x 214 mm

Operating Details

* These ranges of temperatures are indicative only, you'll have to test and see what works best for your printer/filament/hotend setup.
Input Voltage (V)     12V/24V
Input Current (A)     10A min, (You will need a 15A PSU)
ABS temperature range*     100-110°C
PLA temperature range*     50-70°C

Mounting the Heated Bed

The platform has a 3mm hole in four corners, using M3 nuts and bolts fastened it to the print bed carrier of your 3D Printer.

When mounted only use the four corners, the inherent warp of the pcb can be a problem, hence it is better to use the cork mounting system below (as the piece of cork in the centre helps to keep the pcb flat).

Assembly Information

The heatbed will not be perfect flat, hence a glass plate is highly recommended to provide a truly flat surface and rigidity.

It is to simply place a square (200mm x 200mm) piece of glass on top of the heatbed, and affix it on the four sides with bulldog clips. The clips will not melt under pressure, and sufficiently hold the glass to the bed. This makes removal easier for cleaning as well.

When mounted only use the four corners, the inherent warp of the pcb can be a problem, hence it is better to use the cork mounting system below (as the piece of cork in the centre helps to keep the pcb flat).

Thermal insulation

It is recommended to insulate the underside of the heatbed in order to get a faster heat up time and a overall better thermal performance.

For higher temperatures, an insulation might even be required.

Solutions found to work are: Cork plate, Cotton batting, Rescue sheet (the silver or gold rescue blanket used by hikers), Glass fibre soldering/plumbers/welding mat, Silicon or teflon cooking sheet
Printing

The PCB heatbed has two sides, one with the copper traces (bottom side) and one without (top)

Previously, printing on top side was considered to be safer as the copper traces could be damaged if the print head would collide with the heatbed surface (if for example the Z-min endstop malfunctioned)

So use a piece of glass is used as the print surface, it protects the PCB copper traces. However, make sure your heatbed mounting springs are not too strong to prevent damage to the glass in case of an accidental collision.

Caution Notice

The LED, resistor and wire connections are also liable to accidentally collide with the print head.

Use only cables which can withstand at least 15A and are able to withstand the heat, lower current rating wires can easily catch fire.

Wiring/Connecting Heatbed wire polarity incorrectly may result in permanent damage to the components or to board itself

Be sure to cover the solder joints with insulating heat resistant tape (for example Kapton Tape)

You will need at least 15A Power supply to heat the heatbed up to 100C
Documents and Resources

References: http://reprap.org/wiki/PCB_Heatbed


Image Disclaimer: The product images are for illustration purpose only. Actual product may vary with each unique part number and attributes like size, model, color, etc. We recommend that customers unfamiliar with the products to contact our support team to request a exact images if available from stock.

Warranty: This product (RepRap 3D printer PCB Heat Bed) comes with warranty against manufacturing defect, refer warranty policy on how to claim warranty.



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