Editing RepRap

{{3dprinting}}
[[Category:Projects]]
From reprap.org:
[[Image:Reprap.jpg|thumb|right|Reprap image from reprap.org]]
:RepRap is short for Replicating Rapid-prototyper. It is the practical self-copying 3D printer shown on the right - a self-replicating machine. This 3D printer builds the parts up in layers of plastic. This technology already exists, but the cheapest commercial machine would cost you about €30,000. And it isn't even designed so that it can make itself. So what the RepRap team are doing is to develop and to give away the designs for a much cheaper machine with the novel capability of being able to self-copy (material costs are about €500).

The RepRap project is a bit optimistic in their description -- their "self-replicating" machine is capable of printing all of the non-commodity parts of their machine, but still needs stepper motors, steel rods, screws, nuts, control circuitry, and of course a human to assemble the pieces.

== Links ==
*http://en.wikipedia.org/wiki/RepRap_Project
*http://reprap.org/
*http://www.reprap.org/bin/view/Main/McWire_Cartesian_Bot_1_2 - easy to follow instructions for a kit version of reprap.
*http://objects.reprap.org/wiki/Builders - the RepRap Builders wiki
*http://store.rrrf.org/ - the RepRap Research Foundation store

== Participants ==
* [[User:Orph|Orph]]
* [[User:Adi|adi]]
* [[User:Ioerror|Jacob]]
* [[User:turkshead|TurksHead]]
* [[User:nejucomo|nejucomo]]
* [[User:arcanology|Al]]
* [[User:Mlp|Meredith]]
* [[User:obscurite|Obscurite]]
* [[User:mrericboyd|Eric Boyd]]
* [[User:Martinbogo[Martin B]]

== Plan ==
* decide what system to build
** what print materials?  ABS, [http://en.wikipedia.org/wiki/Polycaprolactone PCL] aka Shapelock, [http://en.wikipedia.org/wiki/Polylactic_acid PLA], ...
* Print head
** multiple print heads?
** http://reprap.org/bin/view/Main/RepRapOneDarwinThermoplastExtruder
** http://objects.reprap.org/wiki/Nophead%27s_Extruder_Tweaks
* Chassis
** what design?  (lasercut acrylic, plywood + steel rod, ...)
** The [http://www.reprap.org/bin/view/Main/McWire_Cartesian_Bot_1_2 McWire]
* Electronics
** control electronics design (something better than "one Arduino to rule them all" please)
* Stepper Motors
** we need 4  [http://www.reprap.org/bin/view/Main/StepperMotor stepper motors] conforming to the following specs:
*** NEMA 23 size, bipolar, about 100 oz-in torque, dual-output shaft
* purchase parts
* * Consult the [[McWire BOM]] for what to buy
* build it!

Some parts of RepRap can be developed independently.  In particular, the [http://reprap.org/bin/view/Main/ExtruderMechanicalParts Extruder] "print head" is pretty much independent of the chassis mechanism, and looks like a fun project.  Might want to consider other print mechanisms too; this one may be specific to a few of the thermoplastics.

== Status ==
* [[User:Turkshead|TurksHead]] has started building a [http://www.reprap.org/bin/view/Main/McWire_Cartesian_Bot_1_2 McWire] chassis. (10/22)
* [[User:Adi|adi]] is researching print materials and print heads. (10/23)
* [[User:Adi|adi]] has ordered components and PCBs for the following boards: (10/29)
** 6 x [http://make.rrrf.org/smd-1.1 stepper motor driver v1.1]
** 2 x [http://make.rrrf.org/pd-1.1 pwm driver v1.1]
** 2 x [http://make.rrrf.org/ts-1.1 temperature sensor v1.1]
* had a [[RepRap Soldering Party]], soldered most of the boards (2008-11-16)
** Driver boards got heatsinks attached at Feb 3rd meeting during reprap session
* X, Y and Z stages assembled and put in place; X-stage motor-mount in place. (2009-02-27)

== Parts Orders To Place ==
All the electronics have been ordered!

== Parts Orders Completed ==
[[User:Adi|adi]] ordered a bunch of components for RepRap from Mouser on 2008-10-29:

 SHIPPED TO:
 NOISEBRIDGE
 83C WIESE ST
 SAN FRANCISCO, CA 94103
 
 ----+-----------------------------+--------+---------+----------+-------------
     |       MOUSER PART NO.       |  EST   |         |          |
 LINE|      CUSTOMER PART NO.      |  SHIP  |   QTY   |    UNIT  |   EXTENDED
 NO. |        DESCRIPTION          |  DATE  | ORDERED |   PRICE  |      PRICE
 ----+-----------------------------+--------+---------+----------+-------------
   1  652-3362U-1-202LF             10/29/08       10       0.720          7.20
      1/4"SQ 2KOHMS 10%
   2  517-4814-3000-CP              10/29/08        5       0.190          0.95
      14P DUAL WIPE DIPSKT
   3  517-4816-3000-CP              10/29/08        5       0.190          0.95
      16P DUAL WIPE DIPSKT
   4  571-2828374                   10/29/08        5       0.720          3.60
      5.08MM PCB MOUNT 4P
   5  512-MM74HC00N                 10/29/08        5       0.390          1.95
      Qd 2-Input NAND Gate
   6  512-LM78L05ACZX               10/29/08        5       0.180          0.90
      TO-92 .1A Pos Volt
   7  595-L293DNE                   10/29/08        2       2.740          5.48
      Quad Half-Hs
   8  291-220-RC                    10/29/08      200       0.014          2.80
       220ohms
   9  512-1N4005                    10/29/08      100       0.038          3.80
      1.0a Rectifier
  10  511-TIP120                    10/29/08       10       0.400          4.00
      NPN Power Darlington
  11  517-952-10                    10/29/08       12       0.150          1.80
      .100 SHUNT BLUE
  12  538-09-50-3041                10/29/08        6       0.250          1.50
      HSG 4P W/LKG RAMP
  13  538-08-52-0072                10/29/08       24       0.080          1.92
      TERMINAL 18-20 BULK
  14  538-26-48-1245                10/29/08        1       2.020          2.02
      VERT B/A HDR 24P TIN
  15  294-0.5-RC                    10/29/08      100       0.050          5.00
       0.5ohms
  16  581-5OK102KABJH               10/29/08       12       0.180          2.16
      500volt 1nF  10%
  17  581-5ZH104ZACJA               10/29/08       32       0.160          5.12
      50volt 100nF -20+80%
  18  140-XRL50V100-RC              10/29/08       18       0.096          1.73
      50V 100uF 20%
  19  291-100K-RC                   10/29/08      200       0.014          2.80
       100Kohms
  20  291-2.7K-RC                   10/29/08      200       0.014          2.80
       2.7Kohms
  21  517-4820-3000-CP              10/29/08        6       0.220          1.32
      20P DUAL WIPE DIPSKT
  22  538-22-23-2031                10/29/08       12       0.290          3.48
      VERT PCB HDR 3P TIN
  23  538-22-01-3037                10/29/08       24       0.190          4.56
      HSG 3P W/RAMP/RIBS
  24  140-50P5-332K-RC              10/29/08        6       0.100          0.60
      50V 3300pF Y5P
  25  538-15-24-4745                10/29/08       10       0.770          7.70
      HI TEMP VERT HDR
  26  291-560-RC                    10/29/08      200       0.014          2.80
       560ohms
  27  696-SSL-LX5093GD              10/29/08       24       0.120          2.88
      5mm Green Diff
  28  604-WP937EGW                  10/29/08       12       0.340          4.08
      RED/GREEN DIFFUSED
  29  567-290-1AB                   10/29/08        6       0.380          2.28
      TO-220 VERT/HORZ BLK
  30  538-08-50-0114                10/29/08      100       0.090          9.00
      CRIMP TERM 22-30 TIN
  31  511-L297                      10/29/08        6       9.660         57.96
      Stepper Motor
  32  511-L298                      10/29/08        6       3.470         20.82
      Dual Full Bridge
  33  512-SB360                     10/29/08       48       0.420         20.16
      3a/60V Schottky
  34  571-41031850                  10/29/08        2       3.150          6.30
      40P HEADER GOLD
  35  140-XRL50V10-RC               10/29/08       10       0.048          0.48
      50V 10uF 20%
  36  871-B57560G104F               10/29/08        2       2.740          5.48
      100k 4085
  37  571-2828372                   10/29/08        8       0.300          2.40
      5.08MM PCB MOUNT 2P
                                                                  =============
                                            MERCHANDISE TOTAL:          $210.78

[[User:Adi|adi]] ordered the following from http://store.rrrf.org/ on 2008-10-29:
* 6 x [http://store.rrrf.org/product_info.php?products_id=53 Stepper Motor Driver v1.2 Raw PCB]
* 6 x [http://store.rrrf.org/product_info.php?products_id=63 Opto Endstop v2.1 Kit] (ordering kit because RRRF has bought out the entire north american stock of [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=H21LOI-ND H21LOI] and this kit is the only way to get them)
* 2 x [http://store.rrrf.org/product_info.php?products_id=48 100K Thermistor]
* 2 x [http://store.rrrf.org/product_info.php?products_id=69 DC Motor Driver v1.1 Kit] (raw PCB out of stock)
* 2 x [http://store.rrrf.org/product_info.php?products_id=52 PWM Driver v1.1 Raw PCB]
* 2 x [http://store.rrrf.org/product_info.php?products_id=58 Temperature Sensor v1.1 Raw PCB] 
* 5 ft [http://store.rrrf.org/product_info.php?products_id=40 Nichrome Wire]
(total: $98.75 including shipping charges)<br>
This is most of the parts for two sets of RepRap electronics.

[[User:Adi|adi]] ordered the following from Mouser on 2008-11-18:
 ----+-----------------------------+--------+---------+----------+-------------
     |       MOUSER PART NO.       |  EST   |         |          |   
 LINE|      CUSTOMER PART NO.      |  SHIP  |   QTY   |    UNIT  |   EXTENDED
 NO. |        DESCRIPTION          |  DATE  | ORDERED |   PRICE  |      PRICE
 ----+-----------------------------+--------+---------+----------+-------------
   1  649-71600-010LF               11/18/08       25       0.700         17.50
      .100" RECEPT. 2X5P
 
   2  72-T70YE-10K                  11/18/08        8       0.740          5.92
      1/4"SQ V/ADJ 10K
 
   3  649-75869-101LF               11/18/08       10       1.030         10.30
      IDC HEADER 10 POSIT 
 
                                                                  =============
                                            MERCHANDISE TOTAL:           $33.72


[[User:mrericboyd|Eric Boyd]] order the following (mostly fasteners) from McMaster on 2009-02-18:

  Qty       |     Part Number/Description     |   Unit Price  |   Total Price | Ships
+-----------+---------------------------------+---------------+---------------+---------------
         1   95462A033 -                               $11.96           $11.96  in the morning
             Zinc-Plated Grade 5 Steel Hex                                                    
             Nut 1/2"-13 Thread Size, 3/4" 
             Width, 7/16" Height, Packs of 
             100

         1   91083A033 -                                $2.62            $2.62  in the morning
             Plain Steel SAE Flat Washer                                                      
             1/2" Sz, 17/32" ID, 1-1/16" OD, 
             .074" Thk, Packs of 55

         1   90275A714 -                                $7.32            $7.32  in the morning
             Zinc-Pltd Stl Flat Head Slotted                                                  
             Machine Screw 1/2"-13 Thread, 
             1-1/4" Length, Packs of 10

         1   90494A030 -                                $1.72            $1.72  in the morning
             Plain Grade 2 Steel Thin Hex                                                     
             Nut 5/16"-18 Thread Size, 1/2" 
             Width, 3/16" Height, Packs of 
             100

         1   91083A030 -                                $3.73            $3.73  in the morning
             Plain Steel SAE Flat Washer                                                      
             5/16" Size, 11/32" ID, 11/16" 
             OD, .051" Thk, Packs of 192

         1   90273A581 -                                $8.80            $8.80  in the morning
             Zinc-Plated Stl Flat Head Phil                                                   
             Machine Screw 5/16"-18 Thread, 
             3/4" Length, Packs of 50

         3   91034A100 -                                $2.15            $6.45  in the morning
             Black-Oxide Steel Coupling Nut                                                   
             1/4"-20 Thread Size, 5/8" 
             Length, 1/2" Width

         1   98273A255 -                                $6.21            $6.21  in the morning
             410 SS Type 23 Thread-Cutting                                                    
             Screw 10-24 Thread, 1/2" 
             Length, Packs of 50

         1   51135K261 -                                $2.02            $2.02  in the morning
             High-Temperature Silicone                                                        
             Rubber Tubing Firm, 1/4" ID, 
             1/2" OD, 1/8" Wall, Blue (Same 
             as 51135K26)

         1   9429T34 -                                  $4.73            $4.73  in the morning
             Steel Two-Hole Clamp for 11/16"                                                  
             Outside Diameter, 1/2" EMT 
             Conduit, Packs of 50

                                                      Merchandise:      $55.56