background image

 

 

 

NWA3D

 

A5

 

User

 

Manual 

 

 

 

1. NWA3D

 

A5

 

3D

 

Printer

 

Part

 

Diagrams 

2. Assembling

 

the

 

Spool

 

Holder 

3. Leveling

 

the

 

Build

 

Plate 

4. Loading

 

and

 

Unloading

 

Filament 

5. Operation:

 

The

 

Four

 

Steps

 

of

 

3D

 

Printing 

6. Troubleshooting 

7. Glossary

 

of

 

3D

 

Printing

 

Terms 

8. Additional

 

Resources 

 

 

©

 

2018

 

NWA3D

 

LLC 

Version

 

3.1 

Содержание A5

Страница 1: ...Part Diagrams 2 Assembling the Spool Holder 3 Leveling the Build Plate 4 Loading and Unloading Filament 5 Operation The Four Steps of 3D Printing 6 Troubleshooting 7 Glossary of 3D Printing Terms 8 Additional Resources 2018 NWA3D LLC Version 3 1 ...

Страница 2: ...NWA3D A5 User Manual 1 NWA3D A5 3D Printer Part Diagrams Detailed description of all terminology in Section 7 Glossary of 3D Printing Terms 2018 NWA3D LLC 2 ...

Страница 3: ...threads but don t remove them completely 2 Slide the base of the spool holder into the side piece while at the same time sliding the nut into the small groove in the base 3 Attach the side piece to the base by tightening the bolt with a 3mm hex key Allen wrench Do not over tighten or it will crack 4 Repeat Steps 2 and 3 to attach the other side piece 2018 NWA3D LLC 3 ...

Страница 4: ...d plate so that you can slide the paper between the nozzle and the build plate with some resistance You should feel the paper vibrating and dragging when you move it between the nozzle but not so close that the copier paper buckles 1 Select Setup Auto home This will move the nozzle to the home position at the front left corner of the build plate where the X Y and Z axis are set to 0 0 0 2 When the...

Страница 5: ... the one in the center of the left side 5 Repeat Steps 1 4 until the amount of tension on the paper is consistent at all locations including the center of the build plate 6 The first layer of the print will show whether the distance between the nozzle and build plate is correct Refer to the following graphic for clarity a If the bed is too high the extruded plastic will squeeze out the sides of th...

Страница 6: ...tween them Pro Tip You can Hot Level your printer by carefully adjusting the nuts during the first layer of the build while the plate is moving until the distance between the build plate and the nozzle is producing smooth extruded lines Be careful of the moving parts to not get pinched After you have fine tuned the bed level during the first layer you may want to stop the build clear the build pla...

Страница 7: ... then place the bolt into the recessed grooves on the spool holder b Cut the end of the filament at an angle so the irregular melted plastic at the end doesn t cause a clog It will also be easier to feed into the extruder and Bowden tube c Feed the end of the filament into the extruder by hand as you squeeze the extruder release lever d Push the filament all the way through the Bowden tube until i...

Страница 8: ...ve the filament cleanly you should do a soft pull This involves heating the nozzle to 100 C then pulling the filament out of the printer a Select Setup Preheat soft pull and wait until the nozzle temperature reaches the set temperature b Wait a minute for the temperature to become stable c When the nozzle temperature is a stable 100 C squeeze the extruder release lever and pull the filament out of...

Страница 9: ...ograms it s as easy as the Save command In others you need to select the File Export option and choose the STL format OBJ files can also be sliced and 3D printed b You can find 3D models in many online libraries of digital content Thingiverse GrabCAD and Instructables are examples and many other sites exist 2 Slice the file for 3D printing Video Tutorial How to set up Cura 3 1 Slicing is the proce...

Страница 10: ...are included on your microSD card b Open the Cura application When it s opened for the first time you ll see the Add Printer window Select Custom Custom FDM machine In the lower left type NWA3D A5 for the printer name and then click the Add Printer button on the lower right 2018 NWA3D LLC 10 ...

Страница 11: ...th 150 mm Z Height 100 mm Build plate shape Rectangular Origin at center unchecked Heated bed unchecked GCode flavor RepRap Number of Extruders 1 Material Diameter 1 75 mm Nozzle Diameter 0 4 mm d Don t change any other settings Click the Finish button at the bottom right of the window 2018 NWA3D LLC 11 ...

Страница 12: ...reload this profile from the microSD card to reset your profile to this default f Here are the key Cura parameters for the NWA3D A5 Layer Height 0 2mm Wall Thickness 0 8mm Top Bottom Thickness 0 8mm Infill Density 20 Gradual Infill Steps 0 Printing Temp 220 C Diameter 1 75mm Flow 100 Enable Retraction On Print Speed 50mm s Travel Speed 120mm s Initial Layer Speed 15 0mm s Enable Print Cooling On G...

Страница 13: ... g The following images show these settings visible with the default visibility settings in Cura Initial Layer Speed is an advanced slice setting activated by clicking the gear icon next to each input box 2018 NWA3D LLC 13 ...

Страница 14: ...t placement depending on the shape of the part you are printing Also you can change the layer height from 0 2mm to 0 1mm for a smoother higher quality part although the print will take longer j As you become more advanced with 3D printing you may want to experiment with many settings Remember that you can always revert to these default settings at any time by reloading the NWA3D A5 Printer Profile...

Страница 15: ...connect your printer to your computer and print over USB using the Monitor feature 3 Send the file to the printer a Remove the microSD card from the computer b Insert the microSD card into the slot on the front of the A5 control board underneath the control knob c By using this method no computer needs to be plugged into your printer and it will run autonomously until the print is finished 4 Print...

Страница 16: ... the build plate The most common mechanical problems are caused by a build plate that is not adjusted correctly a clogged nozzle or an unplugged connector on a motor or limit switch Digital problems are in the slice file that you prepare in Cura or other slicing program Important slice file settings include layer height print nozzle temperature and print speed c Step 3 Fix the problem Once you ve ...

Страница 17: ...ld temperature 220 C while the printer is idle The melted plastic remaining in the nozzle will bake onto the nozzle and become a hard carbon blockage a Try to pull the clog out of the nozzle using the soft pull method 1 Turn the machine on select Setup Preheat soft pull and wait until the temperature reaches 100 C 2 When the nozzle temperature stabilizes at 100 C squeeze the extruder release lever...

Страница 18: ...th one hand and push the filament into the extruder manually 6 Alternate flossing with the nozzle cleaner and pushing the filament through the extruder until a consistent bead of filament is extruded through the nozzle c Try to push the clog through the nozzle 1 Select Setup Preheat PLA Wait for the nozzle to reach the set temperature of 220 C for PLA 2 When the nozzle has reached 220 C squeeze th...

Страница 19: ...ion of this manual for other slicer settings and to better understand Cura c Your part may need supports If it s rounded you may need to select Everywhere for the support type If it s intricate it may need to select Raft for the Build Plate Adhesion Type A raft is a hatch pattern on the build plate that the model will print on If the part warps when you begin to build it you may need to select the...

Страница 20: ...les include the A5 A31 and all the other awesome printers we carry 3D Design Program A type of software used to visualize design and manipulate 3D products while providing a test environment for strength and dynamic analysis Also known as a Computer Aided Design CAD program or 3D Modeling Software Free examples for educators include Autodesk Inventor Fusion360 SketchUp Onshape and Tinkercad 3D Mod...

Страница 21: ...rinting ABS is a common form of plastic found in most household items that were injection molded Additive Manufacturing The process of creating an object from a digital file by stacking 2D layers to form a 3D object Also called 3D printing see also 3D Printing Axis Binding A problem associated with the X Y or Z axis on a printer in which the axis is unable to move freely or perform a given movemen...

Страница 22: ...ent to perform correctly or more efficiently CAM Computer Aided Manufacturing or CAM is the process using digital programs and or CAD to physically manufacture objects through additive or subtractive manufacturing Carriage The moving assembly that holds the nozzle and hot end of the of the extruder CNC A Computer Numerical Control machine or CNC a a machine that uses subtractive manufacturing to c...

Страница 23: ...lament during a print The extruder has two parts the stepper motor and feeding system that pushes the material into the printer and a hot end that heats and extrudes the material through a nozzle onto the build surface Extruder Fan Fan that cools the heat sink of the extruder Extruder Motor Stepper motor of the extruder assembly Extruder Nozzle A brass or steel funnel shaped die through which melt...

Страница 24: ...at determines how much of the interior volume of a 3D printed object is filled with material This value can range from 0 100 recommended is 5 25 Flow The action of filament moving in a steady continuous stream see also Extrusion Multiplier Fused Deposition Modeling FDM FDM is another name for material extrusion and FFF It is a trade name created by Stratasys the company that invented and first com...

Страница 25: ...n of the extruder assembly that includes the nozzle and heating block Infill The area within a 3D printed object that connects top bottom and side layers This creates a rigid structure and determines print durability Kapton Tape Heat resistant polyimide adhesive tape typically used to secure wiring and insulate the hot end of the extruder Layer Extruded plastic of a closed loop represented as a tw...

Страница 26: ... for the filament to sufficiently cool before fusing a layer on top if it Mesh A collection of polygons attached by edges and vertices that makes up a net like surface area in CAD Motor In 3D printing the stepper motor that produces precise movement of the extruder X Y or Z axis see also Stepper Nozzle A brass or steel funnel shaped die through which melted plastic is extruded see also Extruder No...

Страница 27: ... to the quality of the print and is determined by many factors including mechanical capabilities of the printer slicer used layer height print speed support and print orientation Printing Temperature The temperature of the hot end at which the filament is melted and extruded PVA Polyvinyl Alcohol PVA is a water soluble plastic that is a common ingredient in standard wood glue It can be used in 3D ...

Страница 28: ...ices to transfer information such as gcode to 3D printers Seam The point at which two layers of 3D printed material connect Shell The sidewalls of a 3D printed model created by the exterior edges of every layer see also Perimeter Shell Thickness The total width of an outside wall of a 3D printed part Shell thickness should be a multiple of nozzle size Two shells is typically best An increased numb...

Страница 29: ...wanted material and can assist in the removal of nozzle blockage NWA3D recommends to always remove filament using the soft pull method as preventive maintenance for your 3D printer Stepper Stepper Motor An electric motor that moves in discrete movements or steps to allow more precise regulation of its movement see also Motor STL The STL file format STL stands for stereolithography is the recommend...

Страница 30: ...r on a computer to a 3D printer via a USB cable Viscosity A measure of a fluid s resistance to flow The higher the viscosity the more resistant the fluid is to flowing Vitamin A part for a 3D printer or 3D printing project that isn t 3D printable X Axis The principal or horizontal axis of a system of coordinates Y Axis The secondary or vertical axis of a system of coordinates Z Axis The axis in th...

Страница 31: ...NWA3D A5 User Manual The part of the extruder assembly and X Axis motor that moves up and down on the Z Axis of a 3D printer see also Gantry 2018 NWA3D LLC 31 ...

Страница 32: ...ove clogs load and change filament Video Tutorial How to level the build plate Video Tutorial How to set up Cura 3 1 The Simplify3D Troubleshooting page provides good explanations and photographs of common problems in 3D printing https www simplify3d com support print quality troubleshooting 2018 NWA3D LLC 32 ...

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