BobsCNC RP9 Скачать руководство пользователя страница 8 | Manualshive

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1. Place the bearings in the rectangular slots of the 2 plywood bearing holders.
2. Wrap the bearings by inserting large nylon ties through the side opposite of the bearing
into the slotted holes of the bearing holders.

3 Pull the bearing snug against the 2 bearing holders (use pliers if needed).
4.Cut off the excess of the nylon tie.

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Содержание RP9

Страница 1: ...RP9 Assembly Instructions ...

Страница 2: ...tors 23 Limit Switches 25 Adding The String Drive 26 Tying the knots Uni knot 27 X string Drive 27 Y String Drive 29 Adding the Extruder Driver 31 Build Platform Assembly 33 Connecting the Controller 34 Ramps1 4 Connections 34 Wire Routing With Nylon Ties 35 Filament Spool Holder 36 Initial Controller Setup 37 Arduino 2560 Firmware settings 37 Power supply 38 First print quick guide 39 Appendix 42...

Страница 3: ...is your responsibility Always use the proper protective equipment and safety sense when building or operating a 3D printer Printers have high voltage power supply and extruder operating temperatures can be over 250 degrees Celsius 482 F The operator should understand the hazards before operating a printer Required tools Please browse through the instructions and get familiar with the steps before ...

Страница 4: ...ibration block STP file that can be modeled or downloaded at BobsCNC com Building the Printer We recommend a large working surface for assembling the printer The plywood may require some minor sanding and can be painted stained or finished for a different look A coat of sealer or lacquer on all surfaces of the plywood will add stability Extruder Assembly Parts for the extruder mount assembly inclu...

Страница 5: ...osite of the bearing into the slotted holes of the extruder mount The slots on one side are larger to make room for nylon ties during a later step 3 Pull the bearing snug against the extruder mount use pliers if needed 4 Cut off the excess of the nylon tie For a clean look and string clearance insert the nylon straps first in the inboard holes ...

Страница 6: ...t from the same side as the bearings through the wire slot 6 Place the extruder through the extruder plywood mount 7 Pull the wires through and re coil them to keep them out of the way and undamaged 8 Install the extruder lock 9 Install the extruder top mount ...

Страница 7: ...erted into the small hole in the aluminum block Y Sub assembly Parts for the Y sub assembly include A 1 Left mount B 2 Bearing holders C 1 Extruder assembly D 1 M3 x 16 machine screw E 1 Right mount F 4 M3 x 20 machine screws G 6 M3 nuts H V groove bearing 623VV I 2 LM8UU bearings J 12 Large nylon ties K 2 8mm rods A B B E H ...

Страница 8: ... bearing holders 2 Wrap the bearings by inserting large nylon ties through the side opposite of the bearing into the slotted holes of the bearing holders 3 Pull the bearing snug against the 2 bearing holders use pliers if needed 4 Cut off the excess of the nylon tie ...

Страница 9: ...M3 x 16 machine screw 6 Tighten the nut 7 Install the screw and bearing through the top of the right mount through the bearing mounting hole 8 Install and tighten the nut The bearing should rotate freely once installed Bearing mounting hole TOP TOP ...

Страница 10: ...the 2 bearing holders 10 Assemble the left and right mounts to the bearing holders with 2 M3 x20 machine screw 11 tighten the screws Note orientation is important The bearing center should line up with the hole on the left and right mounts Bearing centers ...

Страница 11: ...ts in the extruder bearing and large stepper motor hole are on the same side as shown Note that the nylon tie under the Y limit see page 25 switch slots will be installed differently 14 For 7 of the nylon ties wrap the rods by inserting large nylon ties through the side opposite of the rods into the slotted holes of the left and right mounts Note orientation Note orientation ...

Страница 12: ... nylon tie 17 Wrap the rod by inserting the last large nylon tie through the same side as the rod into the remaining slotted holes of the left mount 18 Pull the rod snug against the left mount use pliers if needed 19 Cut off the excess of the nylon tie The extruder assembly should slide on the 8mm rods freely ...

Страница 13: ...s 1 Place the bearings in the u shaped slots of the cross member 2 Wrap the bearings by inserting large nylon ties through the side opposite of the bearing into the slotted holes of the bearing holders 3 Pull the bearing snug against the extruder mount use pliers if needed 4 Cut off the excess of the nylon tie ...

Страница 14: ...important Indicator marks on the frame should be at the back facing inward The middle stepper mount key hole shaped hole should be closer to the left frame 1 Properly orient and insert x sub assembly into the left and right frame 2 Press with pliers or tap the 8 M3 nuts into the 8 slots of the 4 braces the handle of the screw drive works well 3 Insert the top and bottom plywood braces into the slo...

Страница 15: ...s travel 1 Place the Y assembly into the frame 2 Insert the rods through the Y assembly and position them into the holes of the cross member at the bottom and u shaped slots at the top of the frame 2 Wrap the top of the rods by inserting large nylon ties through same side as the rod into the slotted holes of the extruder mount 3 Pull the rods snug against the frame use pliers if needed 4 Cut off t...

Страница 16: ...st the frame use pliers if needed 7 Cut off the excess of the nylon ties The Y assembly should slide on the 8mm rods freely Z Rod Assembly Parts for the Z rod assembly include 1 Frame assembly 2 1 4 20 threaded rods 4 Coupler halves 8 M3 x 20 machine screws 8 M3 nuts The orientation of the coupler is important The larger slots are paired and connected to the threaded rod ...

Страница 17: ... halves with 4 M3 x20 screws and nuts 3 Only snug up the screws they will be tightened in a later step 6 Thread both of the coupler assemblies into the threaded inserts on the Y assembly The coupler halves may need to be removed to get the threads started through the inserts on the Y assembly ...

Страница 18: ...M3 nuts Note orientation The string holder is mounted on bottom on the front and it is mounted on top in the rear The cut groove in the string holder mates with the bed mount 1 Install the string holders into the bed mount using 2 M3 x 16 machine screws 2 Install the M3 nuts and tighten 2 Insert the rods into the bearings on the cross member and install the bed B A A ...

Страница 19: ...of the rods by inserting large nylon ties through the side opposite of the rod into the slotted holes of the extruder mount 6 Pull the rods snug against the frame use pliers if needed 7 Cut off the excess of the nylon ties ...

Страница 20: ...tube J 1 Filament guide tube nut K 1 Large washer L 2 M3 x16 machine screws M 1 Small washer N 1 M3 nut O 2 M3 x 20 machine screws P 2 O rings 1 Insert the M3 x 16 through the extruder arm 2 Install the small washer on the screw 3 Install the bearing on the screw 4 Install the nut on the screw and tighten 5 Press the nylon bushing into the extruder arm 6 Insert the big washer onto the M3 x 16 mach...

Страница 21: ...nd adjust the height so that the bearing is centered on the knurled part of the wheel Tighten the extruder drive wheel with the Allen wrench 10 Thread the filament guide nut onto the filament guide tube so that 10 to 12 mm 0 4 0 5 is through 11 Insert the tube and nut into the front plate groove 12 Stack the mid plate on the backing plate and insert the M3 x16 into the lower right mounting hole ...

Страница 22: ...de tube so that it is close to the drive wheel without touching it Adding the Electronics Controller Assembly Parts for the Ramps A 1 Frame assembly B 1 Controller assembly 1 Arduino 1 Ramps1 4 4 Stepper drivers C 4 Small nylon ties Snug up board against the frame until if is firm Do not over tighten the ties as this will damage the control board ...

Страница 23: ...ontrol board up against the frame 5 Cut off the excess of the nylon tie Motion Stepper motors The minimum lengths of wire for the stepper motors are X Stepper 125 mm Y Stepper 584 mm ZRight Stepper 305 mm ZLeft Stepper 330 mm E Stepper 520 mm Parts for the motion stepper motors A 1 Frame assembly B 4 Stepper motors C 2 threaded couplers x y stepper motors D 1 X stepper spacer E 4 M3 x 16 x stepper...

Страница 24: ...aded coupler so that the Allen key is flat against the top of the Y assembly 6 Set the height of the X threaded coupler so that it is approximately 1 mm less than the round spacer thickness This will give the build platform clearance 4 Install and tighten both of the Z stepper motors 4 M3 x10 mm machine screws 5 Tighten the 8 coupler machine screws so that the gap is even and parallel on both side...

Страница 25: ...rews E 4 M2 5 nuts F 1 small nylon tie 1 Insert the small nylon tie through the Y limit switch long wires hole loop around the rod and back up through the second limit switch hole Left side 2 Tighten the nylon tie and cut off the excess 3 Place the Z Limit switch long wires on the left frame near the top with 2 M2 5 x16 screws and nuts 5 Tighten the nuts ...

Страница 26: ...crews and nuts 5 Tighten the nuts Adding The String Drive Parts for the string drive assembly include A 1 X drive string assembly shorter B 1 Y drive string assembly longer C 4 large nylon ties The kit includes 2 sets of tied string The instruction for tying the knot has been added for reference ...

Страница 27: ...d and tighten the knot The tied length of the string from one nylon tie to the other is X string L 330 350 mm Y string L 690 710 mm X string Drive 1 Place a large nylon tie into behind the string holder then thread the large tie connected to the string through the string holder into the loose nylon tie 2 Push the bed to the rear stop making the coupler closer to the nylon tie 3 Push the nylon tie ...

Страница 28: ...e the bed back and forth to ensure that the sting rides in the threads of the coupler with full travel threads will move up as the bed moves rearward 7 If needed adjust the string moving it up or down the threaded coupler 8 Tighten the sting by pushing the nylon tie into the string holder 9 Cut off the excess of the nylon ties The string should be on the right side of the threaded coupler and form...

Страница 29: ...ttom slot on the left side of the extruder 3 Move the extruder to the left stop and push the nylon tie connected to the string into the string holder until the nylon tie is no longer touching the threaded coupler 4 Wrap the string around the threaded coupler 3 to 4 times close to the bottom of the threaded coupler The string should higher on the front side of the threaded coupler as shown in the p...

Страница 30: ... top slot on the right side of the extruder 7 Snug up the string and slide the extruder back and forth to ensure that the sting rides in the threads of the coupler with full travel with nylon tie clearance 8 If needed adjust the string moving it up or down the threaded coupler 9 Tighten the string by pushing the nylon tie into the extruder slots 10 Cut off the excess of the nylon ties ...

Страница 31: ...tie hits the frame Please note that the string orientation Adding the Extruder Driver Parts for adding the extruder driver include D 1 Frame assembly E 1 Extruder assembly F 1 SMC connector G 2 M3 X 20 machine screws H 2 M3 Nuts The SMC fitting will release the tube if the blue ring is push into the fitting as the tube is gently pulled This allows for quick filament changes F ...

Страница 32: ...32 1 Press the 2 M3 nuts into the right mounts 2 Insert and tighten 2 M3 X20 machine screws 3 Insert the SMC into the top of the extruder 4 Insert the tube into the SMC ...

Страница 33: ...nd Spacers C 4 M3 X 20 machine screws D 4 M3 Nuts The Build platform has counter bored holes These holes should be facing up 1 Place the 4 spacers over the holes in the bed mount 2 Insert 4 M3 X 20 machine screws through the build platform spacers then bed mount 3 Install and tighten the 4 M3 Nuts ...

Страница 34: ...nently damage the board If you are unsure about the connection the internet is a good resource and has a great deal of information on the Ramps1 4 The connections are A Main Power supply F Z max limit switch B Extruder power G Extruder sensor C Extruder stepper motor H X stepper motor D X min limit switch I Y stepper motor E Y min limit switch J Z stepper motors ...

Страница 35: ...ed in the kit to secure the wires Several sets of wires will need clearance to move with the Y assembly They included the Extruder and Y stepper motor wires Y and Z limit switch wires The Extruder heater and sensor wires The 2 extruder sensor wire routes to the front Below are pictures of typical wire routing ...

Страница 36: ...Spool leg C 1 Spool support The reel holder is designed to quickly change spools of filament The groove in the top of the spool support should be oriented to the outside for to ensure spool clearance with the frame 1 Insert the spool support into the right frame and spool leg rectangular slots ...

Страница 37: ... the USB and download the firmware to the computer Arduino 2560 Firmware settings The firmware will need to be up loaded to the Arduino board using the Arduino software that can be downloaded at http arduino cc en main software There are several good choices in firmware Repetier is a good choice and can be located at http www repetier com It includes the software and firmware for a complete packag...

Страница 38: ...ID D gain 51 5 Temperature sensor type 9 The firmware offers an auto tune command M303 to set the PID values Power supply The Power supply will need to be connected correctly to avoid possible damage to the controller board Check polarity with a multimeter and follow the controllers recommendations The power supply should be rated at 6 to 8 Amps at 12VDC 1 Correctly connect the 4 terminals to the ...

Страница 39: ...Open the controller software and connect the printer 250 000 baud rate Moving the X Y and Z axis 1 Use the software controls to move the X Y and Z steppers make sure the move in the correct direction The diagram has arrows showing the positive axis directions If the motors move in the incorrect direction it can be changed with a firmware setting or turning the stepper motor connectors 180 degrees ...

Страница 40: ...ware control to feed the filament into the nozzle Check to make sure the extruder stepper motor rotates in the correct direction Homing and Z Height Adjustment 1 Home the axles to ensure that the limit switches are connected correctly Note that the switches are wired normally closed If the limit switches do not function troubleshoot the switches using the M119 code 2 Set the firmware for Z max len...

Страница 41: ...ample If the Z max length was set to 210 and once moved to the set position the software position reads 7 1 mm then the Z max length would need to be set to 210 7 1 0 35 203 25 8 Set this value in the firmware for the Z max length 9 Home the Z axis and use the G0 Z0 35 command to verify 10 Download a file and print a part Tips and tricks Isopropyl alcohol to clean blue painters tape to ensure firs...

Страница 42: ... Bobs CNC will have the sole discretion to determine if a kit or any part of the kit is eligible for a refund Technical Assembly BobsCNC cannot guarantee the buyer s ability to assemble the kit or calibrate the printer The quality of the prints are dependent on proper set up and understanding of the printing parameters and therefore results may vary The assembly calibration and understanding of th...

Страница 43: ...aring Holders 2 2 Crossmember 1 1 Top Braces 2 2 Bottom Braces 2 2 Left Frame 1 1 Right Frame 1 1 Coupler Halves 4 4 Bed Mount 1 1 String Holders 2 2 Backing plate 1 1 Bearing Arm 1 1 Mid Plate 1 1 Front Plate 1 1 X Stepper Motor Spacer 1 1 Build Plate 1 1 Round Spacers 4 4 Spool support 1 1 Spool leg 1 1 Wedge tool 1 M2 5 X 16 Machine Screws 4 4 M2 5 Nuts 4 4 M3 X10 Machine Screws 12 1 2 M3 X16 M...

Страница 44: ...Sub Assembly X Sub Assembly Frame Assembly Z Assembly Z Rod Assembly X Assembly Extruder Assembly Controller Assembly Motion Stepper Motors Limit Switches Braided String Drive Extruder Mount Build Plate Extra Stuff Stepper Motor 5 1 4 Ramps 1 4 1 1 Arduino 2560 with firmware 1 1 Stepper Drivers 4 4 Power Supply 1 1 The parts in the deluxe kit can be purchased separately The extruder for the RP9 pr...

Страница 45: ...epper drives with heat sinks are common in online stores The power supply should be 12 VDC an rated at 6 to 8 amps Search online for 12 VDC 8 amp power supply Other supplies that you will need are Build plate can be hardboard glass aluminum etc o Size is 200 to 215 mm square Blue painters tape or a glue stick and build plate clips 1 75 mm PLA with 0 05 mm tolerance ...

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