Sienci Labs LongMill V2 Assembly Manual Download

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Swing the drag chain and clip it onto the end link attached to the X-axis rail. Pull the wires through.

Now attach a motor cable onto the X-axis NEMA 23 stepper motor.

Summary of Contents for LongMill V2

Page 1: ...1 LongMill V2 Assembly Manual V2 ...

Page 2: ...2 Table of Contents Part 1 XZ Axis Gantry Part 2 Y Axis Gantries Part 3 X Axis Rail Part 4 Y Axis Rails Part 5 Drag Chains and Wiring Part 6 Electronics Part 7 Table Mounting Appendix Unboxing ...

Page 3: ...utting your machine together and act as a dedicated maintenance tool once your machine is in operation After you ve opened your LongMill box you ll find this wrench in the small white box accompanied by our Welcome letter and some stickers One of these stickers shows Louis sitting atop a LongMill Andy s dog and our unofficial mascot and CEO The LongMill comes with a lot of parts but we ve organize...

Page 4: ...4 Part 1 XZ Axis Gantry ...

Page 5: ...s with the green and yellow stickers In the yellow bag you ll find a bag labelled for M5 nylock nuts and another for M5 25mm bolts this is the M5 hardware you need The green dotted bag will also have a bag of interest within it which contains 4 rectangular plastic blocks grab this as we ll be preparing these blocks for installing onto the XZ axis gantry and eventually on the Y axis as well Start b...

Page 6: ...o they don t impede as much on the motion of the machine but they re harder to get to for adjustment If you re not sure go with the long M5 bolts for now then feel free to replace them with the shorter set screws later on Prepare 4 sets of these blocks and set them aside for later Looking back to the green bag you should find a bag within it that contains 4 large nuts and some small screws Take th...

Page 7: ... threaded 200mm lead screw Keep your M5 hardware nearby Look back into the green bag to get the bag filled with flange bearings and another containing two pulleys and a belt In the orange dotted box you ll want to grab the bubble wrapped steel plate and turning to the identical looking green dotted box you ll want to get the plastic Z axis mount Inside the short wide box you ll find the stepper mo...

Page 8: ...ng away from the middle sized hole on the plate Loosely thread four M5 25mm bolts through the slots and the motor the plate slots may be a little tight but that s fine we ll be adjusting this part and re tightening the bolts later in the assembly Make sure to keep the round part of the nut facing towards you when pushing them in Screw the four M5 screws into the motor Ensure that the connector is ...

Page 9: ...other Get the bag with bearings in it and use two when pressing them into the top and bottom bore on your assembly You should be able to get them on easily with your thumbs If you find resistance try adjusting the steel plate so that the bores on the plastic and steel line up Both flanges of each bearing should sit flush with no gap Bearing on the top Moving the motor back and forth and tilting th...

Page 10: ... same bolts secure the plate and the 3D printed part together These should thread all the way through to the nuts that you placed earlier in the plastic mount Bearing on the bottom Mount the steel plate to the 3D printed part ...

Page 11: ...ontains the rails drag chains and lead screws Cut it open remove the protective cardboard and shrink wrap and inside the bundle of lead screws you should be able to locate a very short lead screw which is what s used for the Z axis With this in hand get one of the ACME locking nut assemblies that you d made before and thread the nut about 1 5 inches onto the lead screw Make sure the nut still has ...

Page 12: ...t have to unscrew the set screws a little with the included Allen key Orient the pulley so that the base is flush with the end of the lead screw then tighten the screws into place You might have to adjust the locking nut to make the lead screw and the top of the pulley flush Use an Allen key to tighten the set screws to hold the lead screw ...

Page 13: ...w on the nut to hold it in place and ensure there s no play up and down Adjust and tighten if necessary To put the belt into place loosen the second pulley set screw wrap the belt around it slide the motor toward the lead screw then wrap the belt around the first pulley and install the second pulley onto the motor shaft This step keeps the lead screw constrained in the z axis ...

Page 14: ... to line up one of the set screws with the flat part of the motor shaft to provide extra holding strength as shown in the photo Next make sure that the belt is tight around the two pulleys by pulling back the motor in the slot then tightening the M5 bolts that are holding it in place Loose belt Tight belt ...

Page 15: ...try assembly in a labelled bubble mailer Once you take it out you ll see there s a small steel plate z gantry attached to big steel plate x gantry via two sliding rails First check that the movement of your z gantry is smooth by moving it up and down by hand There should be no binding and the gantry should move relatively smoothly Gantry should move smoothly with no binding Move up and down for a ...

Page 16: ...e lead screw You ll need four of these assembled sets for now Set the assembly to the side and get the green and yellow bags In addition to the M5 bolts you have already used the yellow bag should contain M5 washers Inside the green bag is a set of 12 Delrin wheels Spilling out the wheels if you look down the center hole you ll notice that they have a bronze coloured inner ring which can sometimes...

Page 17: ...f 6 and are very odd looking so they should be easy to identify If you move the z gantry to the middle on the XZ gantry assembly you ll notice 4 holes in a rectangular formation on the large steel plate The 4 sets of wheel assemblies go into these holes from behind the bottom two using a regular nut and the top two using an eccentric nut Start by fitting the eccentric nuts into the top pair of hol...

Page 18: ...s into Install the v wheels ensuring that the washers are in place as well Now attach the bottom two v wheel sets These attach with regular M5 nylock nuts and need to be tightly fastened into place You can do this with a size 4 Allen key and the included 8mm wrench ...

Page 19: ...Tighten the wheels until snug All of your wheels should be facing the same way Once complete all of your wheels will be facing the backside of your gantry Check to make sure that each wheel turns smoothly ...

Page 20: ...at attach to the XZ gantry assembly The first one we will assemble goes on the X gantry Use two M5 25mm bolts the same ones used to make the v wheel sets to mount the nut block Make sure that the M5 nuts are facing outwards pictured so that you can see them The block shouldn t be tightened down really hard just fasten it until it s snug ...

Page 21: ...21 Now we ll do the same process on the Z axis on the two holes shown Screw in the next nut block making sure not to overtighten ...

Page 22: ...22 The completed assembly should look like this ...

Page 23: ...ther line up the lead screw from the motor assembly with the nut block of the gantry assembly If you use your fingers to turn the lead screw it will go into the nut The plastic mount should be coming in from the side of the steel plate which has a rectangular notch cut out If you have trouble turning the lead screw into the nut try loosening the bolts holding the nut to the plate Also be sure that...

Page 24: ...o side or push it further into place to align the holes Get the M8 nuts and M8 25mm bolts from the yellow hardware bag you ll use a pair of each to fasten these two assemblies together Take the two large nuts and push them into the back of the plastic Z axis mount If the nut fit is a little tight then you can use a size 6 Allen key or other tool to press it into place ...

Page 25: ...m into place with a size 6 Allen key to secure the two assemblies together the bolts should be reasonably tight Your assembly should now look like this Fasten the M8 bolts Keep a finger on the M8 nuts if you are finding they pop out when you first start tightening the bolt Completed assembly up to this point ...

Page 26: ...different heights The lower set of holes will allow your router to gain more cutting depth whereas the upper set will mount the router more rigidly and allow for the full height clearance Use the upper set of holes to start Find your machine s included aluminum router mount it will be individually wrapped in paper and labelled appropriately mount pictured Also find the M8 12mm bolts in the yellow ...

Page 27: ...the four shorter bolts into the upper set of holes Holding the router mount up to the bolts you should be able to fasten it into place with a size 4 Allen key The top set of holes in the Z gantry looking in from behind the current assembly Use the four M5 12mm bolts to mount the router mount ...

Page 28: ...28 Your final assembly should look like this Congrats you ve completed the assembly of the XZ Axis Gantry That was fun wasn t it ...

Page 29: ...29 Part 2 Y Axis Gantries ...

Page 30: ...se holes just like how you did before with the eccentric nuts placed as pictures and the nylock nuts on the two lower holes make sure that one is assembled as the mirror of the other Use a size 4 allen key and the included 8mm wrench to tighten everything down but leave the eccentric nuts slightly loose for now If you have a hard time getting the eccentric nuts in we recommend tapping the nuts in ...

Page 31: ...31 V wheel sets with a washer to keep the v wheel spaced from the gantry plate Fasten the wheels to the eccentric nuts leave these slightly loose for now ...

Page 32: ...32 Assemble the bottom two wheels with M5 nylock nuts and tighten all the way Make sure you have both plates done but with the wheels on opposite sides ...

Page 33: ...ts go on the same side as the v wheels do On the Y axis plates there are two holes for the anti backlash assemblies to mount Line up the plastic blocks and secure them to the plate using the same medium sized bolts that were used for the wheels The blocks should be mounted on the same side as the v wheels and have the tensioning screw facing outwards ...

Page 34: ...34 Tighten until snug Don t overtighten Both sides should be mirrored ...

Page 35: ...A 23 motor 35mm aluminum spacer M5 50mm bolt M5 nylock nut 6 35mm to 8mm coupler 608ZZ flange bearing 3D printed drag chain mount Left Y Axis Gantry Mounting the X axis motor to the left plate Make sure you have grabbed the correct gantry pictured below ...

Page 36: ...e that your coupler may be solid or jaw type but they both work the same way jaw type shown below Start off by attaching the coupler to the motor shaft making sure you have the smaller hole sliding onto the shaft and the larger hole facing up so that we can put the lead screw on later Put the coupler down as far as it will go and loosely tighten the screw to secure it for now We will adjust this l...

Page 37: ...he motor bolts and standoffs into place Take note of the position of the white motor connector in terms of its rotation and what side of the plate you are mounting it onto the side with the wheels Take note of the direction of the motor connector Attach motor using M5 nylock nuts ...

Page 38: ...rs in the orientation shown We ve found that it is easiest if you clip on one side first then swivel the other side on afterwards Use the four M5 nylock nuts to secure the plate side of the M5 bolts This requires a size 4 Allen key and the 8mm wrench If it s easier start by finger tightening all four nuts to keep everything in place before using the pliers to finish tightening ...

Page 39: ...39 Once everything is finished getting put together it should look like this On to the next section ...

Page 40: ...40 Part 3 X Axis Rail ...

Page 41: ...the other rails Of the two the longer one is the X axis rail and the shorter one is the reinforcement You can also distinguish the two since the X axis rail has sets of four threaded holes at its ends Note The 12 12 LongMill is a smaller build envelope so it doesn t require an X axis reinforcement bar Move onto the next step Attaching the Shoulder Brackets but keep in mind that the remaining pictu...

Page 42: ...hat you ll be able to attach your drag chain later on Grabbing the M8 16mm bolts from the orange bag you can use six of these to fasten these parts together the bolts will go through the larger holes on the reinforcement bar and thread into the X axis rail from the back pictured Start by turning each of these short M8 bolts in by hand to get all the holes aligned then go back and tighten each of t...

Page 43: ...43 Your completed rail should now look something like this ...

Page 44: ...he bracket in the right direction Get the plastic L shaped shoulder parts from the green box of plastic parts next These go onto the two ends of the aluminum rail each fastened with four of the same bolts as the last step M8 16 Line each up with the holes first with the flat part of the bracket facing out pictured before turning the bolts on by hand ...

Page 45: ...45 Finish securing the M8 bolts with a size 6 Allen key being sure not to over tighten them Brackets attached on both ends ...

Page 46: ...he X axis rail These assemblies will all be coming together in this step starting by sliding the XZ axis gantry assembly onto the X axis rail DO NOT stand the completed assembly up on the v wheels it can roll away or become unbalanced which may cause it to fall and become damaged just leave it laying on its back for the next steps You can consider propping it up at an angle as well if you don t wa...

Page 47: ... still loose then you ll be able to use an 8mm wrench or a pair of pliers to rotate the nut into the correct position Once the eccentric nut is where you want it re tighten the bolt with a size 4 Allen key to secure the nut into position Do this for both nuts Before we start you want to make sure that the eccentric nuts on the XZ gantry are positioned correctly this can be checked visually Since t...

Page 48: ...olts with an Allen key rotating the nut a small amount re tightening the bolts and then checking the looseness of the wheels with your fingers A properly tensioned system should roll smoothly along the rail but it should be difficult to use your fingers to turn the wheels by hand while the gantry is stationary Lay the X axis rail down along its length with the inside of the L shape facing you and ...

Page 49: ... it out as you mount the plate These parts are a tight fit so that twisting in the X axis can be kept to a minimum so using a mallet and some coercion may be necessary but most importantly take your time Line up the slot to the rail carefully and tap it into place until the Y gantry is up against the plastic shoulder bracket Once you get the plate on get the M8 nuts and M8 25 bolts from the yellow...

Page 50: ... same process on the other side being careful not to cause damage to the motor or the drag chain mount in the process Now that the larger X axis assembly is done this is what the completed assembly should look like ...

Page 51: ...his step to be earlier pay no mind to the other parts in the picture Start by grabbing the lead screws which you set aside much earlier in the assembly Your LongMill comes with three lead screws not accounting for the earlier one which was used for the Z axis For the 12 12 and 30 30 they re all the same length and for the 12 30 the longer one is for this X axis assembly Get your lead screw and run...

Page 52: ...52 Push the lead screw into the bearing Turn the lead screw into the nut with your hand Push the lead screw into the opposite bearing Dont push it all the way into the coupler just yet ...

Page 53: ...53 Putting an M8 washer between the coupler and bearing Take an M8 washer found in the orange bag and line it up between the coupler and the bearing and slide the lead screw through all three ...

Page 54: ...d screw to the coupler Loosen the screw securing the coupler on the motor so that you can push it into the flange bearing Use an Allen key or other tool to push the face of the coupler into the bearing This will ensure that there is no play left and right in the lead screw Fully re tighten the set screw on the motor shaft to hold everything in place ...

Page 55: ...of the right side steel plate There should still be three ACME locking nut assemblies that you ve previously assembled Grab one of these and thread it onto the lead screw from the right turning it all the way until it s against the bearing then tighten the set screw to hold it in place Make sure the nut is really tightened into place before tightening its set screw ...

Page 56: ...ood idea to check that everything is secure by gently pulling on the lead screw to check for any looseness Adjust the couplers and tighten the ACME lock nut more if you feel any play since you should be able to rotate the lead screw freely but not feel any side to side looseness ACME lock nut on all the way Check for play by gently pulling on the lead screw both ways ...

Page 57: ...57 Part 4 Y Axis Rails ...

Page 58: ...b assemblies The two Y axis rails mount to the machine base via a handful of plastic feet which require a bit of assembly before hand Start off by finding the front and back pairs among the plastic parts pictured These parts can be distinguished by their zig zag like pattern with a thick base and by the embossed lettering denoting their position on the machine e g Back left and Back right ...

Page 59: ...ar feet from the rear pictured make sure that you get the orientation right on these These bearings are meant to be quite a snug fit so feel free to use a vise or a mallet against the outer flange of the bearing to get them properly seated into the feet You ll know they re in all the way once the flange is completely flush with the surface Front feet with bearings Rear feet with bearings ...

Page 60: ...hese medium sized nuts open from earlier in the assembly Now we ll attach the two remaining motors to the rear feet Install the coupler onto the motor first followed by the long bolts and spacers that were used for the X axis motor assembly Put M5 nylock nuts into each nut catch on the rear feet Loosely push the coupler over the motor shaft ...

Page 61: ...tic feet orienting the motors white connector towards the flat base of the foot pictured Using a size 4 Allen key you ll be able to bolt the motor in place Repeat the process for the other foot Both feet with motors attached Install the bolts and spacers ...

Page 62: ...hile the 12 12 and 12 30 models have 500mm long rails These will be the last two remaining aluminum lengths in the kit distinguishable by their 2 width compared to the 3 width of the X axis rail We will be doing the assembly for the 30 30 here but the assembly for all three versions is very similar Start by grabbing the two Y axis rails the feet assemblies from the last step and the bag of the lar...

Page 63: ...o the larger X axis rail assembly that you have set aside To prepare for this flip the X axis assembly onto its front so that the router mount is contacting the ground be sure that it s stable in this position You should also check the current state of the eccentric nuts on both Y gantries Just like when you checked them on the XZ axis gantry they should be in their outer most position so that the...

Page 64: ...und in the orange bag in preparation for this next step You ll have to make a combined motion where you tilt the X axis rail assembly backwards while you finish sliding the Y axis rails all the way on Be very careful while doing this It s possible to loose control of the heavy components and have them fall away from you and become damaged Once you ve slid the rails all the way on to the X axis rai...

Page 65: ... thread the lead screws into place It will go through the bearing on the front foot threaded through the nut block on the Y gantry and through the bearing on the back foot If you move the gantry to the back of the machine when doing this pictured it ll require less time to thread it through Thread the lead screw into the nut ...

Page 66: ...rain the lead screws on the Y axis These share the same purpose with the locking nuts on the X and Z axes where the combination of the nut on one side and the coupler on the other side keeps the lead screws from moving side to side so it s a good idea to check that everything is secure by gently pushing and pulling on the lead screw to check for any looseness Do this on both sides Adjust the coupl...

Page 67: ...t like the other feet they can be attached using two of the short M8 bolts and a size 6 Allen key It s best to twist the bolts into place by hand first then finish tightening them snug with the Allen key If you have a 12x12 or 12x30 LongMill there will only be one foot to attach to the right rail which will only require 2 of the M8 bolts to attach it Mount the middle feet in the spots indicated Si...

Page 68: ...68 Part 5 Drag Chains and Wiring ...

Page 69: ...he LongMill so that they aren t in the way during cutting They also keep wires from wearing out from bending or being cinched around corners As mentioned previously the chains can be found in the lighter long box pictured They come with detachable links so that you can adjust their length depending on the size of your LongMill You can save these links for later when you upgrade to a larger LongMil...

Page 70: ...as shown in the photos A flat head screwdriver or thin shim can also be handy for this just be careful not to cut yourself in the process For the pin type end link squeeze the two sides of the link together then twist and pull to disconnect For the hole type end link pull on one side of the link then twist it away to separate it ...

Page 71: ... shape and the nut catches and wire clips it has on its back side Also find the smaller M4 bolts and nuts in the yellow bag as these will be used to attach the links in the following steps Use a pair of bolts and nuts to secure the hole type end link onto the drag chain foot in the orientation shown by using a size 3 Allen key The nuts should fit into the hexagonal cutouts underneath the mounting ...

Page 72: ...ow all the other feet have been mounted Now get a pin type end link pictured to mount the other end of the drag chain This one will attach the the X axis clip on mount where there s a slot for the two bolts to fit through Use pliers or a 7mm wrench to hold the nuts from the top while you fasten the bolts from underneath with a size 3 Allen key Drag chain foot mounted in place ...

Page 73: ...should only need one bolt to secure the pin type end link using the tapped hole but if your hole is not tapped use an M4 nylock nut on the other side to secure the part Find the hole on the X axis rail to secure the drag chain link Use an M4 nylock nut on the other side of the aluminum angle if needed ...

Page 74: ...apart to disconnect Set aside the remaining unused links for later they can come in use if you re planning on upgrading to a larger sized LongMill later Link fastened into place Lastly we ll attach the final drag chain end link onto the arm of the Z axis mount using another pair of M4 bolts and nuts Note the direction the link is facing before installing it ...

Page 75: ...the halfway point On the 12 12 LongMill both chains need to be shortened to about 24 links long This is a little over half the length of the existing drag chains so it s easiest to just fold it in half and add a couple links onto the halfway point We ll then start to unclip the tabs that hold the wires in the drag chain pictured These tabs are designed with clips on both side so that they can be r...

Page 76: ...remove every other cover tab since the wire will still be held in just as well but opening and closing them will take half the time You can stick the extras into a baggy to save for later if you wish At this stage it s a good idea to grab the router you ll be using with your machine We ll show these steps using the Makita RT0700 RT0701 trim router that we recommend Also grab the paper wrapped moto...

Page 77: ...th between the two bolts to keep them parallel and make sure not to over tighten them If you do over tighten these bolts and start to strip the bolt head these bolts can be substituted with the M5 bolts that came with your machine if you have any extras It s also best to face your router power cable towards the right side pictured since the dust shoe hose port sticks up on the left side of the rou...

Page 78: ...ake sure that you have the correct end of the drag chain with a pin type link so that you ll be able to connect it to the mounted end link pictured and so that the drag chain can bend in the right direction against the X axis You can start to re clip the tabs in place Clip the end of the drag chain to the end link on the Z axis mount ...

Page 79: ...79 Swing the drag chain and clip it onto the end link attached to the X axis rail Pull the wires through Now attach a motor cable onto the X axis NEMA 23 stepper motor ...

Page 80: ...n Clip the tabs in to secure the wires and make sure that the drag chain is facing the right direction with the hole type link pictured to fit into the correct end links Clip the both ends of the drag chain into the previously mounted end links on the Y gantry and the drag chain foot Grab the Y axis drag chain and insert the X and Z axis motor cables and router cable ...

Page 81: ...81 Now plug in the cables for the motors on the two Y axis NEMA 23 stepper motors ...

Page 82: ...82 Bring the cables around to the left of the machine and slot them into the wiring cutouts in the drag chain foot With all of the wiring coming in from the left he machine wiring should now be complete ...

Page 83: ...83 Part 6 Electronics ...

Page 84: ...e or red on the left side and black on the right when the screw terminal is facing you as pictured Check that the wires are connected securely by tugging on them Secure them using the screw terminals and a flat head screwdriver if they re loose or disconnected If you re unable to get the tinned wire ends to clamp inside the connector securely then consider snipping the wires ends off and removing ...

Page 85: ... if needed As previously also check that the wires are connected securely to the connector While you re at it double check that the motor side white connectors on each axis are pushed all the way into the motor housing to ensure a good connection If these connectors are sitting too loosely then they can cause issues later on since the motor won t move as expected The wiring color pattern should be...

Page 86: ... that you can reach in with a small flat head screwdriver or an allen key to adjust these switches without dissembling anything These DIP switches normally look like they ve been properly switched when in reality they re floating between the up and down positions as is the case for switch 2 in the picture below Because of this it s a good idea to push every single switch into it s correct position...

Page 87: ...e sure to push them ALL THE WAY in so that there is good contact between the plug and the connector Each plug on the board is labelled on the top note that there isn t a difference between the Y1 and Y2 plugs the Y axis motors can be connected to either of them Next plug the DC connector into the LongBoard before plugging the power supply into the wall a green LED on the power supply brick should ...

Page 88: ...ough crimp able wire extenders Connecting the LongMill to your computer To manipulate your LongMill and send it files you ll need a g code sender which acts as the control software We recommend using UGSPlatform which is what we ll be using to show the next couple of steps and in the remaining part of the assembly You can download UGSPlatform here bit ly 2Z3DIVC Note Some users have reported some ...

Page 89: ...you are using a 32 bit Windows computer use ugsplatform exe If you are not sure which type of Windows you are using you are most likely using a 64 bit computer You can try both and see which one starts If you are using a Mac OS computer use ugsplatform You should be greeted with a screen that looks like this If you aren t and you encounter an error while opening UGS because it s not able to locate...

Page 90: ... point if they are not already on your computer can take a minute or two If you try to connect your machine but you cannot you may need to manually install the drivers You can do this by installing the Arduino IDE which will install the drivers during the installation or you can follow the instructions on doing them manually for Windows Plug in the USB cable onto the LongBoard ...

Page 91: ...ings connected to your USB ports you may have a few different options to choose from You can either unplug the other items you have plugged in or you can try connecting to each one to see if they make a connection At this stage power on your machine Finally click on the highlighted Connect button If your machine connects successfully you should see this icon turn orange and you should see in the c...

Page 92: ...e XZ and 1mm for the Z step size as well as 1000mm min for the feed rate You can adjust this as needed Moving the machine around will be important for when we mount the machine to the wasteboard next Note Once you ve connected to your machine via UGS or your preferred interface software go to the console communication tab and type in 110 4000 and hit the Enter key This will modify the maximum feed...

Page 93: ...93 Part 7 Table Mounting ...

Page 94: ...ed dollars in shipping and is very easy to damage during transit You can usually find a full 4ftx8ft sheet of 3 4 MDF for under 60 at your local lumber or hardware store 2 Users can choose the size and material of the wasteboard to match their needs Suitable wasteboard materials The easiest setup that we recommend is a flat clean piece of 3 4 MDF to act as your mounting surface and your wasteboard...

Page 95: ...l be suitable The control box is also something you should plan for as the design of the machine favours placing the control box on the left side of the machine whether it s sitting on the table or mounted to the side or underside of the surface The control box has buttons on the top which can Play Pause and Stop the machine s motion so it s a good idea to keep it mounted near your CNC It also has...

Page 96: ... 5mm off the right side 5 The width of the foot area is determined by the distance between the middle feet not the front and back feet since the middle feet sit slightly wider than the front and back feet do 6 The red cutting area is based about the center point of the router thus you can plane an area larger than what s stated if you re using a large surfacing bit add your bit diameter to the wid...

Page 97: ...97 ...

Page 98: ...centric nuts We will also properly tension the Delrin anti backlash nuts Turn the tensioning screw a little bit at a time Check for play by moving the gantry back and forth and seeing if there is any excess movement Do not over tighten usually a half turn is more than enough Gently put your LongMill on the mounting surface and shuffle it over roughly where you want it In this case we re using a 4 ...

Page 99: ...ch foot has two holes for mounting where the shortest screws are meant for the inside and the longer one are for the outside Please note that the 2 screws WILL go through 3 4 MDF but were still included since they can hold the LongMill feet down better If you choose to use them make sure that the surface under the board will not be damaged if you have screws coming out the bottom Once positioned s...

Page 100: ...n by moving the machine a couple of inches forward and mount the inside of the top and bottom feet using two wood screws 1 1 4 Next we ll put screws in the other two spots on the same side this time on the middle feet ...

Page 101: ...s At this point one side of your machine will be fully secure The technique to make sure the other side is mounted parallel to the first side is by running the gantry between its limits and mounting the other side as you move it along the length Start by mounting the top left foot on the inside ...

Page 102: ...102 Move the machine down so that it is roughly in the middle of it s length then secure the insides of the next two feet Finally move it to the front and secure the inside of the front left foot ...

Page 103: ...first jobs If you ve got the touch plate or the dust shoe add ons alongside your machine you can see our pages on how to get those assembled and set up https sienci com dmx longmill dust shoes You can also navigate to the Post Build section of the LongMill resources if you d like to try out one of our easy starter projects learn how to maintain your machine or would like to address some issues you...

Page 104: ... it as easy as possible to find and put everything together each kit comes with several cartons For the complete BOM visit https docs google com spreadsheets d 1o4196MmMsYC8ZL_ g6McnO9MoaPllH6LNCJlDifFEhhk edit usp sharing Please note that the carton layout may vary Carton 2 is a bubble mailer ...

Page 105: ...r with links to resources and safety information If you ordered your machine with end mills or other parts you may find them in here Top Carton 2 Our second carton holds our steel gantries and XZ gantry assembly Inside you will find the XZ gantry assembly and Y axis gantries ...

Page 106: ...hird carton holds several different items including router mount and the LongMill s controller If you ordered your machine with any add ons such as the dust shoe end mill add on pack or touch plate you should find them here ...

Page 107: ...107 Top Carton 4 Our fourth carton will hold your Makita router if you ordered one If not it will be empty NEMA 23 Motors Under carton 1 and 2 you will find a box containing the motors and wires ...

Page 108: ...108 Bottom Carton 1 Working our way through to the bottom cartons our first carton holds all of the rails lead screws and drag chains ...

Page 109: ...109 Bottom Carton 2 In Bottom Carton 2 you will find your power supply and AC cable USB cable Z axis motor mount plate as well as bags holding all the fasteners and smaller components for your LongMill ...

Page 110: ...110 Bottom Carton 3 In our final carton you will find all of your 3D printed parts ...

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Sienci Labs LongMill V2, Assembly Manual

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