BobsCNC E4 Page 55 Assembly Manual Download

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Summary of Contents for E4

Page 1: ...Page 1 Version 1 00 Assembly Manual E4 ...

Page 2: ...Illustrated Steps Frame Assembly Instructions 39 46 Wood Components included with the kit Required Hardware included with the kit Illustrated Steps Gantry Assembly Instructions 47 58 Wood Components included with the kit Required Hardware included with the kit Illustrated Steps Gantry Electronic and GT2 Pulley Instructions 59 63 Gantry Installation Instructions 64 67 Wood Components included with ...

Page 3: ...lectronic Installation 78 86 Tips to Keep Your Controller From Being Damaged Installing the Spoilboard 87 91 Clamping System 92 GRBL and Universal G Code Sender Software 93 Defining the Axes 94 Tips for Getting Started 95 Appendix 96 102 Warranty and Return Policy 96 Miscellaneous Parts List 97 Diagram for Plywood Components 98 102 ...

Page 4: ...ing Area X 24 610 mm Y 24 610 mm Z 3 3 85 mm The complete E4 parts list can be found in the appendix Safety First Safety is your responsibility Use the proper protective equipment and safety sense when building and operating your CNC Router Routers have a high voltage power supply and use bits that spin at 30 000 rpm with cutting edges that are hazardous The operator must understand these hazards ...

Page 5: ...ftware for GRBL Material for Project 1 8 or 1 4 Router bits Dry lubrication e g graphite Teflon or silicon spray Tools you may need for the electronic setup include Multimeter to correctly connect the power supply and stepper motors A multimeter is a good tool to have for general electronic trouble shooting Quick Start and Troubleshooting guides are available to help you get up and running Please ...

Page 6: ... M2 5 Nut M4 Nut M5 Nut M6 Nut 1 4 x 20 Wing Nut M3 x 10 Screw M2 5 x 16 Screw M4 x 16 Screw M4 x 25 Screw M5 x 25 Screw M6 x 25 Screw 2 x 1 4 20 Screw 1 5mm Allen Wrench 2mm Allen Wrench Belts Spiral Wrap Home Switch Stepper Motor USB Controller CAUTION Caution This kit includes small parts that are a choking hazard for small children Prior and during assembly keep all parts out of the reach of s...

Page 7: ... Z Frame Support Z3 2 Z Frame Z4 1 Z Spindle Bottom Mount Z5 1 Z Spindle Top Mount K Z1 Z2 Z3 Z5 Z4 C A B F D E G H I J Part Qty Hardware Description A 1 Coupler Nut B 1 Threaded Rod C 2 5 16 Washers D 19 M4 Nut E 19 M4 x 16 Screws F 8 6mm Hardened Washers G 4 SG20U Bearings H 4 M6 x 25mm Screws I 4 M6 Nuts J 1 Large Zip Tie K 1 DeWalt 660 Rotary Tool ...

Page 8: ...onment created when operating Your E4 CNC Apply dry lube graphite Teflon or silicon to the threads of the Threaded Rod Step 1 Thread the Coupler Nut on the Threaded Rod in the order as shown below Steel Washer Coupler Nut Steel Washer see photo below Step 2 Insert the washer and nut assembly in the Z Frame Support Slots Step 3 ...

Page 9: ...Page 9 The assembly should look like this Position second Z Frame Support on top of the washer and nut assembly Step 4 Set tabs of Z Frame Supports in the corresponding Z Frame slots Step 5 ...

Page 10: ...h both washers turn freely through the Coupler Nut and not rub on the washers Secure Assembly components with six M4 x 16 Screws and Nuts Step 6 Thread Large Zip Tie beneath Z Supports and coupler as shown and tighten securely Step 7 Apply LOCTITE to all screws Position the nut in T of the T Slot before inserting screws and tightening ...

Page 11: ...Page 11 Place the Z Spindle Bottom Mount into the Z Frame and secure with five M4 x 16 Screws and Nuts as shown below Step 8 ...

Page 12: ...Page 12 Step 9 Preparing the DeWalt 660 Rotary Tool for Mounting see next page for step by step instructions ...

Page 13: ... exposing Spindle shaft Don t allow the black mount and spindle shaft to slip out of the yellow housing If this happens you will need to remove the top cover and remove the motor brushes Then you can reinsert the spindle shaft and re install the brushes Please see our Troubleshooting Guide for instructions on how to correctly remove and replace brushes Do not attempt to insert the motor shaft back...

Page 14: ...st be compressed into the correct position so that the slots on the frame are aligned with the top mount tabs Note the position of the cord stress relief to the left The DeWalt name plate will be facing up The ID surface of the top mount may need to be sanded so that it can be squeezed into position ...

Page 15: ...a M4 Star Driver reinsert the four original DeWalt screws through the mount into the DeWalt as shown below Step 12 Place the Frame Mount Supports into the Z Frame and secure each with three M4 x 16 screws and nuts see below ...

Page 16: ...rs and M6 nuts in the round holes The bearing hubs must face the wood as illustrated below The screws should be installed snug then rotated two to four turns Make sure the hub of the bearing faces the wood IMPORTANT the screw must be oriented so that the nut is visible when looking at the front of the carriage see photo below Hub Apply LOCTITE to all screws ...

Page 17: ...Completed Spindle Mount Assembly front view Step 15 Insert and move the two remaining SG20U Bearings in the elongated holes photo below right inward and snug the nuts then rotate 1 4 turn The nuts will be tightened later when installed on the Y Carriage ...

Page 18: ...Carriage Side Support Y7 2 Belt Retainers Y8 1 Z Rail Stop Y9 2 Z Rail Supports Y10 1 Y Carriage Bottom Support Part Qty Hardware Description A 2 Z Rails B 1 Stepper Motor C 1 Helical Coupler D 2 5 16 Nuts E 8 6mm Hardened Washers F 4 SG20U Bearings G 4 M6 x 25 Screws H 4 M6 Nuts I 40 M4 Nuts J 37 M4 x 16 Screws K 3 M4 x 25 Screws L 4 M3 x 10 Screws Y Carriage Hardware Y1 Y2 B A D E F G H I C J K ...

Page 19: ...ss noted should be installed snug then rotated 1 1 2 to 2 turns Step 1 Place Z Rail Support into the Y Carriage Frame and secure with three M4 x 16 Screws and Nuts see below Step 2 Place second Z Rail Support into the Y Carriage Frame and secure with three M4 x 16 Screws and Nuts see below Apply LOCTITE to all screws ...

Page 20: ...Page 20 Step 3 Attach Y Carriage Side Support and secure with five M4 x 16 Screws and Nuts Step 4 Attach second Y Carriage Side Support and secure with five M4 x 16 Screws and Nuts ...

Page 21: ...Page 21 Step 5 Attach Y Carriage Bottom Support and secure with five M4 x 16 Screws and Nuts ...

Page 22: ...Page 22 Step 6 Attach Z Rail Stop and secure with two M4 x 16 Screws and Nuts ...

Page 23: ...Page 23 Step 7 Attach both Belt Retainers and secure with six M4 x 16 Screws and Nuts Be sure the tooth profile is on the top smooth profile on the bottom see photo below ...

Page 24: ...hers and M6 Nuts Hub Y Carriage Bolt sequence Screw head Hardened Washer Plywood Hardened Washer Bearing Nut Make sure the hub of the bearing faces the wood IMPORTANT the screw must be oriented so that the nut is visible when looking at the back of the carriage see photo below ...

Page 25: ...he Y Carriage Frame left photo round holes Insert screw through the hardened washer then through the plywood hole Next put second washer on the screw then the bearing with the hub against the washer Last thread the nut on the screw and snug then rotate two to four turns ...

Page 26: ...Page 26 The finished installation of the bearings should look like this Bearings in the elongated holes should be snug and then rotated 1 4 turn The Bearings in the round holes on top must be tight ...

Page 27: ...tly insert the two Z Rails through the Z Rail Supports and into holes in the Y Carriage Bottom Support Rotate the rails and thread them through the Z Rail supports Do not snap the rods into the Rail Support Step 9 ...

Page 28: ...rings over the rods The SG20U Bearings should roll firmly with a small amount of preload If needed Remove the Z Assembly from the rails Loosen the 2 nuts on the slotted holes and slide the bearings inward Snug the bearing nuts Repeat Step 10 above Check all four bearings to ensure that they are snug against the rail ...

Page 29: ...Page 29 2 3 4 ...

Page 30: ...Page 30 Step 12 Attach the Bearing Bottom Plate and secure with four M4 x 16 Screws and Nuts Slide Bearing Bottom Plate over the Threaded Rod setting tabs in slots Step 11 ...

Page 31: ...Alignment Thread 5 16 Nut on Threaded Z Rod As the Router travels up and down the Z Axis make sure the Threaded Z Rod remains centered in the hole If necessary adjust to center the rod Step 14 Attach 5 16 Nuts and Bearing on Threaded Z Rod ...

Page 32: ...Page 32 Slide 8 x 22 x 7 Bearing on Threaded Rod Thread 5 16 Nut on top of the Bearing ...

Page 33: ...ould be turned approximately 6 threads down from end of the Z Rod The nuts on top and below the bearing must be tightened against the bearing as firmly as possible while maintaining the six thread spacing from the end of the threaded rod 6 THREADS ...

Page 34: ...15 Secure Bearing with Bottom Middle and Top Bearing Plates Slide Z Spindle Mount down rails until nut and bearing assembly rests on Bearing Bottom Mount Slide Middle Bearing Plate over the Threaded Rod and Bearing ...

Page 35: ...ed Rod and Bearing and secure with three M4 x 25 Screws and M4 Nuts In order to properly retain the bearing securely evenly tighten screws and nuts in a rotating pattern so that the plywood components are compressed uniformly and tightly together 8 ...

Page 36: ...Page 36 Step 17 Attach Stepper Motor to the Stepper Motor Mount and secure with four M3 x 10 Screws Apply LOCTITE to all screws ...

Page 37: ...ount in place Align the flat spot on the motor shaft with the set screw of the Helical Coupler and tighten both set screws securely Align the milled flat spot on the end of the Threaded Z Rod so that the set screw will be tightened directly against the flat spot Tighten both set screws with a 2mm Allen Wrench ...

Page 38: ...Page 38 Secure Stepper Motor Mount with four M4 x 16 Screws and Nuts ...

Page 39: ... 52 Part Qty Hardware Description A 92 M4 x 16 Screws B 92 M4 Nuts X4 X5 X1 X2 X3 A B Part Qty Component X1 8 X Rail Support X2 4 Frame Corner Braces X3 4 X Rail Stops X4 4 Frame Mid Supports X5 2 Frame Side Supports X6 2 Frame End Supports X7 2 X Cable Mounts X8 4 X Large Corner Supports X7 X8 X6 ...

Page 40: ...Page 40 Place the four X Rail Supports onto the Frame Side Support and secure each with three M4 x 16 Screws and Nuts Step 1 Apply LOCTITE to all screws ...

Page 41: ...1 Repeat procedure with the remaining four X Rail Supports and second Frame Side Support and secure each with three M4 x 16 Screws and Nuts Step 2 The assembled frames will mirror each other See picture below ...

Page 42: ...Page 42 Place the four Frame Corner Brace tabs into the corresponding slots as shown and secure each with one M4 X 16 Screw and Nut Step 3 ...

Page 43: ...Page 43 Attach four X Large Corner Supports Secure each with 2 M4 x 16 Screws and Nuts Step 4 ...

Page 44: ...Page 44 Attach both X Cable Mounts to the Frame Mid Supports Secure each with 4 M4 x 16 Screws and Nuts Step 5 ...

Page 45: ...port Assembly to the completed X Cable Mounts Secure each with four M4 x 16 Screws and Nuts Step 6 Attach the two remaining Mid Frame Supports to the X Rail Support Assembly Secure each with four M4 x 16 Screws and Nuts Step 7 ...

Page 46: ...Page 46 Attach both Frame End Supports and secure each side with twelve M4 x 16 Screws and Nuts Step 8 ...

Page 47: ...k Braces G8 2 Gantry Side Braces G9 2 Gantry Back Supports G10 2 Gantry Side Frames G11 1 Y Stepper Motor Mount G12 1 Y Belt Idler Mount Part Qty Description A 67 M4 x 16 Screws B 71 M4 Nuts C 4 M4 x 25 Screws D 8 M6 Nuts E 16 M6 Hardened Washers F 8 M6 x 25 Screws G 8 SG20U Bearings H 3 M5 x 25 Screws I 6 F625 Idler Bearings J 6 M5 Washers K 6 M5 Nuts L 3 GT2 Pulleys G1 G2 G3 G4 G5 G6 G7 G8 G9 G1...

Page 48: ...ports and secure with eight M4 x 16 Screws and Nuts Step 1 In order to properly complete the next step all five parts must be assembled before attempting to secure them with M4 x 16 screws and nuts 1 1 IMPORTANT Note the orientation of the Controller Mount below 1 2 Apply LOCTITE to all screws ...

Page 49: ...Page 49 1 4 Using slots and tabs set the controller mount assembly on the Gantry Frame and secure with 20 M4 x 16 Screws and Nuts 1 3 ...

Page 50: ...Note the orientation of the Controller Mount below Note that the hole in the Gantry Frame is accessible because of the cutout in the Controller Mount Wide spacing for screw holes should be positioned on top Wide Spacing ...

Page 51: ...Page 51 Flip the gantry frame assembly over and insert the seven Y Rail Supports to the gantry assembly and secure each with three M4 x 16 Screws and Nuts Step 2 ...

Page 52: ...Page 52 Attach Y Stepper Motor Mount and secure with one M4 x 16 Screw and Nut Step 3 Stepper Motor Mount ...

Page 53: ...Page 53 Attach Belt Idler Mount and secure with one M4 x 16 Screw and Nut Step 4 Belt Idler Mount ...

Page 54: ... not install the two fasteners that connect the Gantry Side Frame to the Y Stepper Motor Mount or the Y Belt Idler Mount at this time Two M4 x 25 Screws with Nuts will be inserted in each piece in a later step Attach both Gantry Corner Braces and secure each with two M4 x 16 Screws and Nuts Step 6 ...

Page 55: ...Page 55 Left Side Right Side ...

Page 56: ...bearings on the inside of both Gantry Sides Frames Snug the bearings in the round holes then rotate two to four turns Step 7 Gantry Bearing sequence Screw head SG20U Bearing hub inboard Hardened Washer Plywood Hardened Washer Nut ...

Page 57: ... the flanges outboard Thread a nut on the M5 Screw and tighten see bolt pattern below Step 9 Flanges must be positioned toward the outside outboard Move the four SG20U Bearings in the elongated holes upward and snug the nuts and rotate 1 4 turn These will be tightened when installed on the Main Frame Step 8 ...

Page 58: ...Page 58 Add Gantry Side Brace and Side Support and secure with seven M4 x 16 Screws and Nuts Repeat for other side Step 10 Location of Idler Bearings Left Side Right Side ...

Page 59: ...per Motors and secure each with four M3 x 10 Screws Step 1 Y Motor X1 Motor X2 Motor Part Qty Description 1 1 Assembled Gantry 2 3 Stepper Motors 3 2 Switches 4 1 Controller 5 2 10 Small Zip Ties 6 3 GT2 Pulleys 7 1 Spiral Wrap 8 4 M2 5 x 16 9 12 M3 x 10 Screws 10 4 M2 5 Nuts 1 2 3 5 8 7 6 9 4 10 7 ...

Page 60: ...et screws Step 2 X2 Stepper Motor X1 Stepper Motor Y Stepper Motor Carefully label each Stepper Motor connector so that the correct electrical connections will be made to the controller see below Align outside rim 13mm from face Stepper Motor mounting viewed from the back side ...

Page 61: ...ch Home Switch connector so that you will be able to make the proper connection to the controller Step 3 X Y X Y Left Inside View Left Outside View Be sure the home switches are installed as shown GREEN is correct RED is incorrect The red roller is facing upward Do not overtighten the M2 5 x Screws and Nuts when attaching a switch Overtightening can cause the switch to fail ...

Page 62: ...s are properly wrapped and Secured Step 4 To avoid false triggering the X Y and Z Home Switches caused by the electrical noise of the Stepper Motor wires it is a best practice to secure the Home Switch wires with Spiral Wrap every 5 or 6 turns as shown below Excess wire can be bundled then wrapped to control the length of the finished wrapped wire ...

Page 63: ...Page 63 ...

Page 64: ...1 Gantry Assembly 2 Frame Assembly 3 4 Long Rails 4 4 X Rail Stops 5 8 M4 x 16 Screws 6 8 M4 Nuts Place two of the X Rail Stops and secure each with two M4 x 16 Screws and Nuts these will be thoroughly tightened after the GT2 Belts are installed see below Step 1 1 2 3 4 5 6 ...

Page 65: ... over the main frame Step 2 Carefully insert the upper rails through the main frame and under the upper pair of SG20U Bearings through each of the X Rail Supports until the end of the rail is seated in the Frame End Supports Step 3 ...

Page 66: ...pports until the end of the rail is seated in the Frame End Supports Step 4 The SG20U Bearings should roll across the rod with a small amount of preload i e they should securely engage the rail and roll firmly Check the bearings to ensure that they are snug up against the rail The bearing should move along the rail when rotated by hand ...

Page 67: ...16 Screws and Nuts these will be tightened after the GT2 Belts are installed Step 5 If any of the bearings rotate without engaging the rail Remove both of the X rods Loosen the 2 nuts on the slotted holes on each side slide the SG20U bearings upward Snug the SG20U bearing nuts Repeat steps 1 thru 5 ...

Page 68: ...rts Required Part Qty Description 1 1 Gantry Frame Assembly 2 1 YZ Carriage Assembly 3 2 Y Rail Stops 1 2 C D A 3 E B G F Part Qty Description A 4 M4 x 25 Screws B 4 M4 x Nuts C 2 M2 5 x 16 Screws D 2 M2 5 Nuts E 1 Spiral Wrap F 1 Switch G 2 Y Rails ...

Page 69: ... Step 1 Carefully hang the upper bearings of the YZ carriage assembly onto the rail Next insert the bottom Y Rail through the hole in the Gantry Side Frame and over the lower set of bearings and through the Y Rail Supports into the hole of the opposite Gantry Side Frame Step 2 Tighten both bottom SG20U Bearing Nuts on each side one full turn see below Step 3 ...

Page 70: ...ng the rail when rotated by hand If any of the bearings rotate without engaging the rail Remove both of the Y rods Loosen the 2 nuts on the slotted holes on each side and slide the SG20U bearings upward Snug the SG20U bearing nuts Repeat 1 thru 4 Place the Y Rail Stops one on each side of the gantry and secure each with 2 M4 x 25 Screws and Nuts Please note the orientation the Rail Stop must cover...

Page 71: ... Do not overtighten the M2 5 x Screws and Nuts when attaching a switch Overtightening can cause the switch to fail To avoid false triggering the X Y and Z Home Switches caused by the electrical noise of the Stepper Motor wires it is a best practice to secure the Home Switch wires with Spiral Wrap every 5 or 6 turns as shown below ...

Page 72: ...Page 72 Spiral wrap the Home Switch Wires and zip tie the wrapped wires as shown Step 6 ...

Page 73: ...f the X Rail Stop as shown leaving approximately 2 inches Push the X Rail Stop downward to trap a belt and tighten the two M4 x 16 Screws Step 1 1 1 E4 Assembly 2 2 X Belts 3 1 Y Belt 4 4 Nylon ties Route the X Belt through and around the GT2 pulley Idler as shown note teeth on belt are engaged in the GT2 Pulley Step 2 Push Downward ...

Page 74: ...Page 74 These photos illustrate how the belt wraps around the GT2 Pulley and Idler ...

Page 75: ...belt taut push the X Rail Stop downward to trap the belt Tighten the two M4 x 16 Screws Step 3 Loop the belts through the X Rail Stops and Frame End Supports through the large middle slot and secure the loose end to the belt with a small zip tie Trim excess belt and zip tie as shown below Repeat with belt on other side Step 4 Left Side View Right Side View ...

Page 76: ...to the Belt Retainer as shown Step 5 Route the loose end of the Y Belt around the GT2 Pulley and Idler and secure the loose end into the other Belt Retainer Be sure the teeth on the Belt engage the teeth on the GT2 Pulley Step 6 ...

Page 77: ...Page 77 Tighten the belt by moving the Idler and tightening the Idler screw and nut see below Shorten belt if needed Step 7 ...

Page 78: ...stallation Instructions Parts for assembly include Part Qty Description 1 1 E4 Assembly 2 8 M4 x 16 Screws 3 8 M4 Nuts 4 1 Controller G13 1 Side Cable Mount G14 1 Top Cable Mount G15 1 Bottom Cable Mount G14 G15 G13 2 3 4 1 ...

Page 79: ...Page 79 Secure the Controller with 4 Small Zip Ties as shown Be careful not to overtighten which can damage the Controller Step 1 ...

Page 80: ...unt to the bottom of the gantry assembly beneath the controller using 2 M4 x 16 Screws and Nuts Step 3 Attach one Side Cable Mount to the each side of the gantry assembly using two M4 x 16 Screws and Nuts for each Step 4 Use lower mount for USB cable on the left side Use upper mount for power supply cords on the right side ...

Page 81: ...Page 81 Thread spiral wrapped wiring though Top Cable Mount secure with a Small Zip Tie Step 5 Route Z Stepper and Z Home Switch wires and secure with small Zip Tie Step 6 ...

Page 82: ...Page 82 Route X1 Stepper Motor and X and Y Home Switch Wires and secure with small Zip Tie Step 7 Route wires for X2 and Y Stepper Motors and secure with small Zip Tie Step 8 ...

Page 83: ... Mount then loop to the X Cable Mount and secure with small zip ties See below Step 9 Loop the USB cable as shown in order to avoid kinking the cable at the plug end Give ample cable length between the Side and X Cable Mounts to ensure full gantry travel without binding ...

Page 84: ...ve terminal on the Controller Connect the remaining Power Supply wire to the negative terminal on the Controller Step 10 Give ample cable length between the Side and X Cable Mounts to ensure Make certain that the Y Carriage Assembly moves freely from one end to the other on the Rails without binding the wrapped bundled wiring full gantry travel without binding ...

Page 85: ...connecting or disconnecting the stepper motor connectors Make sure all 4 pins are connected for each stepper motor connector It is really easy to get the connector offset by one pin Check and double check your connections before applying power to the board Red Wire is attached to the terminal ...

Page 86: ...ve polarity The home switches are connected to the X Y and Z as shown in orange in the diagram The red squares in the diagram are jumper connectors Make sure the Negative is connected to the white or black wire and the Positive is connected to the red or blue wire Incorrect connections will damage the controller Please Carefully follow these instructions to keep from damaging the controller ...

Page 87: ...and Frame Mid Supports Step 1 Installing the Spoilboard Parts for assembly include Part Qty Description 1 1 E4 Assembly 2 3 Wide Base Boards 3 5 Wide Routed T Slot Boards 4 2 Narrow Routed T Slot Boards 5 36 M4 x 16 Screws 6 36 M4 Nuts 7 12 Steel Ball Bearings The twelve steel ball bearings are used as temporary spacers to ensure the proper spacing for the Routed T Slot Boards on the Spoilboard Be...

Page 88: ...Page 88 Gently set first Base Board into position Be sure the countersinks are facing up Secure with twelve M4 X 16 Screws Repeat with the remaining two Base Boards Step 2 ...

Page 89: ...he Base Board Assembly to remove any dust or debris to prepare for gluing the T slot boards Step 2 When gluing and setting the T Slot Boards in place make sure the routed slots are facing down Step 3 Be sure to test fit the boards before securing with screws ...

Page 90: ...in by gluing a narrow T Slot Board to the left side of the assembly Place one Steel Ball Bearing as a spacer at each end of the T Slot channel Glue the five Wide T Slot Boards Align ends with Base Board assembly using re maining Ball Bearing to fill the spaces Finish by gluing the last narrow T Slot Board in place ...

Page 91: ... We recommend that you place additional weight on the T Slot Boards until the glue has dried Make certain the routed slots are not filled with glue The Steel Ball Bearings must be used to create the proper spacing between the T Slot member Notice the placement of one at each end ...

Page 92: ...Page 92 Clamping System ...

Page 93: ... 1 Status report options mask 11 0 01 Junction deviation millimeters 12 0 002 Arc tolerance millimeters 13 1 Report in inches boolean 20 1 Soft limits enable boolean 21 0 Hard limits enable boolean 22 1 Homing cycle enable boolean 23 3 Homing direction invert mask 24 500 Homing locate feed rate mm min 25 8000 Homing search seek rate mm min 26 250 Homing switch debounce delay milliseconds 27 5 Homi...

Page 94: ...ram below display the positive direction for the X Y and Z axes The positive Z axis is up Once connected the first operation should be to home the router The home position will move the spindle to the X0 Y0 Z0 location The Z will be the maximum distance away from the work Axes Definition and Home Locations Z A x i s ...

Page 95: ... Tips for cutting with the E4 Always unplug the router before changing the bits Do not leave the router unattended Use a scrap board underneath the work to keep from en graving into the spoil board For work such as isolation routing for circuit boards con sider milling a scrap blank then use double sided tape to fasten the circuit board Quick start and troubleshooting guides are available and can ...

Page 96: ...ng fee Refunds will only be processed after the kit has been received and inspected by BobsCNC If any parts are missing or damaged the customer agrees to pay for all required replacement parts as listed in the E4 Replacement Part List The cost of replacement parts will be deducted from the original purchase price BobsCNC will provide documentation validating any necessary deductions from the origi...

Page 97: ...lt short 2 5 16 18 Threaded Rod 1 5 16 washer 2 5 16 18 Coupler Nut 1 5 16 nuts 2 Large Nylon Zip Tie 1 8x22x7 bearing 1 aluminum coupler 5 x 8 1 2 mm Allen Wrench 1 1 5 mm Allen Wrench 5 16 bearing steel rails long 4 5 16 bearing steel rails medium 2 5 16 bearing steel rails short 2 MDF Bed 17 x 24 with inserts 1 USB cable 1 Small nylon zip ties 30 Spiral wire wrap 6 1 Home switches 3 DeWalt DW66...

Page 98: ...ts Frame Parts Part Qty Component X1 8 X Rail Supports X2 4 Frame Corner Braces X3 4 X Rail Stops X4 4 Frame Mid Supports X5 2 Frame Side Support X6 2 Frame End Supports X7 2 X Cable Mounts X8 4 Large Corner Braces X1 X2 X3 X4 X5 X6 X7 X8 ...

Page 99: ...e Supports G3 7 Y rail Supports G4 2 Gantry Corner Braces G5 1 Controller Mount G6 2 Y Rail Stops G7 4 Gantry Back Braces G8 2 Gantry Side Braces G9 2 Gantry Back Supports G10 2 Gantry Side Frames Part Qty Component G11 1 Y Stepper Motor Mount G12 1 Y Belt Idler Mount G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 ...

Page 100: ...Page 100 Part Qty Component G13 2 Side Cable Mount G14 2 Bottom Cable Mount G15 2 Top Cable Mount G13 G14 G15 ...

Page 101: ...rt Qty Component Y1 1 Z Stepper Motor Mount Y2 1 Bearing Bottom Plate Y3 1 Bearing Top Plate Y4 1 Bearing Middle Plate Y5 1 Y Carriage Frame Y6 2 Y Carriage Side Supports Y7 2 Belt Retainers Y8 2 Z Rail Stops Y9 2 Z Rail Supports Y10 1 Y Carriage Bottom Support ...

Page 102: ...od Components Z Parts Part Qty Component Z1 2 Frame Mount Support Z2 2 Z Frame Support Z3 2 Z Frame Z4 1 Z Spindle Bottom Mount Z5 1 Z Spindle Top Mount Part Qty Component A1 4 Short Clamp A2 4 Long Clamp A3 1 Wrench Accessories ...

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BobsCNC E4, Assembly Manual

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