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RepRap-PCB-Heatbed-MK2-Heated-Hot-Bed-for-Prusa-Mendel
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Details about  RepRap PCB Heatbed MK2 Heated Hot Bed for Prusa, Mendel

From £13. Options with thermistor and LEDs, UK stock.

RepRap PCB Heatbed MK2 Heated Hot Bed for Prusa, Mendel

Seller information

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Think3DPrint3D
Registered as a Business Seller

Item Information

Item condition:
New
Ended:
May 11, 2012 06:44:59 PDT
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More than 10 available / 93 sold
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Price:
GBP 14.00
Approximately US $23.22(including shipping)
Shipping:
GBP 5.00 (approx. US $8.29) Royal Mail International Standard (Small Packets) | See details
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Item location:
Peterborough, United Kingdom
 
Ships to:
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International shipping and import charges paid to Pitney Bowes Inc. Learn More- opens in a new window or tab
Returns:
Returns accepted See details
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eBay item number:
221004938496
Seller assumes all responsibility for this listing.
Last updated on  Apr 24, 2012 10:32:13 PDT  View all revisions

Item specifics

Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
Brand:

RepRap

Model:

PCB Heatbed MK2

Think3DPrint3D

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 If you want to print larger PLA objects or ABS you need a heated print bed.

Josef Průša designed the original PCB MK1 heat bed for the RepRap Prusa Mendel - see PCB Heatbed.

We have made a few minor updates with the MK2 boards, allowing through hole components and through hole wire connections, a hole for a thermistor through the centre of the PCB and putting the silkscreen on both sides.

For more information check out the RepRap wiki: PCB Heatbed MK2

To ensure even heat distribution, these boards are produced by directly etching 35um copper; no copper plating is carried out - see Josef Průša's warning about plated beds on the Wiki - PCB_Heatbed - WARNING. The boards are all individually tested to confirm even heat distribution and correct resistance. Henrik Akerstedt's YouTube video shows one of our heatbeds warming up in infra-red: RepRap PCB Build Platform heating up.

The MK2 board has identical dimensions to the MK1 board and is designed to be mounted under glass; check out Prusa's mounting instructions:PCB Heatbed Mounting Instructions. There are pads and unplated through holes for connecting the power wires. Ensure that the wire you use is thick enough for 10A, and solder it to the pads on the track side of the PCB. It is a good idea to think about strain relief so your moving build platform does not flex the joint, which can lead to failure of the joint over time. We recommend routing the wire from the heated bed to strain relief on the supporting sheet before routing it to your controller/power supply.

There are currently two purchase options:
  • The PCB Heatbed MK2 board only
  • The PCB Heatbed MK2 board with two LEDs and a resistor
Please contact us for a quote if you need to have the LEDs and resistors soldered on.

In addition there is an option to buy an EPCOS B57560G104F thermistor to fit the thermistor hole in the centre of the board for an extra £3. This is supplied unmounted for all options.

You will need the following to mount the board (not supplied):
  • 20x20cm glass sheet, 3mm or 2mm (you can print directly to the back side of the board but no PCB is perfectly flat)
  • 4 bulldog clips
  • Nylon Washers, Cork washers or your preferred insulated stand offs
  • 4 M3 machine screws nuts and washers

There are pads and unplated through holes for connecting the power wires. Ensure that the wire you use is thick enough for 10A, and solder it to the pads on the track side of the PCB. It is a good idea to think about strain relief so your moving build platform does not flex the joint, which could lead to failure of the joint over time. We recommend routing the wire from the heated bed to strain relief on the thick sheet before routing it to your controller/power supply.

You will need the following to power the board:-
  • 11A+ 12V power supply, either through your RepRap power supply or from a separate supply. The boards generally draw up to 12 amps briefly when starting from cold, and this falls to 9-10 amps at 60C (PLA operating temperature) and 8-9 amps at 110C (ABS temperature)
  • Thick cables: minimum 1.0 sq.mm recommended.
IMPORTANT NOTE
If you are powering the heatbed directly from the PWR2/BED MOSFET on a Sanguinololu controller, then you must divide the cable strands in two at the controller connector so as to use all 4 pins on the MOLEX connector - Pins 1 & 2 are 12V, pins 3 & 4 ground. This is to comply with the power rating of the MOLEX connector which could otherwise overheat. It is also strongly recommended to use a heatsink on the PWR2/BED MOSFET. Similar precautions against overloading/overheating should be taken with other controllers.

Optional LEDs

The LEDs are optional, but if you choose to install them you must also install the resistor. With the MK2, conventional through-hole components can be used instead of the surface mount parts. A 1k resistor and 2 through-hole LEDs are supplied if you choose that option in the listing. Install the LEDs with opposite polarity so that one or the other will light up regardless of the power supply polarity.

Other Parts
  • PET Heat Resistant Table/ Kapton Tape for adhesion to the print surface. and to mount the thermistor.
  • A thermistor to measure board temperature (may be purchased with the PCB - see above)
Check out eMaker for more pictures and my other items

Shipping

We will combine postage. If we receive your order before 2 pm GMT/BST Monday to Friday we aim to post kits that day, assembled boards the following day. Orders received later on a Friday or early on Saturday will normally be posted on Saturday.


Business seller information

Think3dPrint3d
Roland Lock
5 Gloucester Road
Peterborough
Cambridgeshire
PE2 8BH
United Kingdom

Phone:01733|551040
Email:think3dprint3d@gmail.com

Return policy

Return policy details
All Think3dPrint3d products are tested before dispatch. You have 7 days to notify us if you wish to return the item and receive a full refund including original P&P charges. Return P&P charges: In order to receive a refund you will need to return the item to us (and cover the costs of doing so, including adequate insurance). Item Condition: The item must be unused and returned in its original packaging, especially in the case of static sensitive components.

Questions and answers about this item

No questions or answers have been posted about this item.




Seller assumes all responsibility for this listing.

Shipping and handling

Item location: Peterborough, United Kingdom
Shipping to: Worldwide
Excludes: Ghana, Reunion, Djibouti, Cape Verde Islands, Moldova, Mali, Croatia, Republic of, Botswana, Sierra Leone, Madagascar, Malta, Saint Helena, Cyprus, Gambia, Liberia, Rwanda, Seychelles, Libya, Zimbabwe, Gabon Republic, Cameroon, Central African Republic, Lesotho, Mayotte, Nigeria, Mauritius, Guinea, Bulgaria, Côte d'Ivoire (Ivory Coast), Kenya, Chad, Greece, Guinea-Bissau, Togo, Eritrea, Senegal, Morocco, Serbia, Montenegro, Burundi, Belarus, Equatorial Guinea, Mauritania, Western Sahara, Congo, Republic of the, Malawi, Bosnia and Herzegovina, Comoros, Spain, Macedonia, Angola, Algeria, Benin, Tunisia, Zambia, Uganda, Russian Federation, Somalia, Italy, Swaziland, Albania, Egypt, Mozambique, Ethiopia, Namibia, Niger, Tanzania, Ukraine, Burkina Faso, Congo, Democratic Republic of the
Handling time
Will usually ship within 1 business day of receiving cleared payment[newWindowTxt].

Payment details

Payment method Preferred / Accepted  
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