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MechaPlus Pro Basic Series Assembly Manual

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Assembly Manual
Pro Basic/Vario Line
Milling spindle
Kress FME 800
not included
CNC-Modellbau/HF-Technik
Matthias Pech
Landauerstr. 3
D-74582 Gerabronn
Tel.: 0049 (0) 7952/92 12 79 7
Fax: 0049 (0) 7952/92 12 79 9
E-Mail: info@cnc-modellbau.net

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Summary of Contents for MechaPlus Pro Basic Series

  • Page 1 Assembly Manual Pro Basic/Vario Line Milling spindle Kress FME 800 not included CNC-Modellbau/HF-Technik Matthias Pech Landauerstr. 3 D-74582 Gerabronn Tel.: 0049 (0) 7952/92 12 79 7 Fax: 0049 (0) 7952/92 12 79 9 E-Mail: info@cnc-modellbau.net...
  • Page 2: Required Tools And Materials

    Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Congratulations to the purchase of a CNC machine of our Pro Line. Preface Please read thoroughly the entire manual as it contains important information about the assembly and operation of the CNC machine. Have a look at all parts delivered and tick them off on the provided part list.
  • Page 3: Frame Assembly

    Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Frame assembly Required tools: Torx T40 Cordless screw driver Oil/grease Required parts: Strut(s) work area Frame parts front/rear face Frame parts corners Frame parts sides 18/20 profile connectors 4 mounting feet 4 plastic caps Firstly, threads are formed in the frame parts using a screw M8 or a thread moulder M8. This will make it easier to screw in the Torx screws of the profile connectors.
  • Page 4 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Mould the threads in the parts corners in the same way as you did at the frame parts. Please do not screw in the mounting foots in these parts yet. That will be done later.
  • Page 5 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Guide rails Y Required tools: Allen keys 5/6 Open-end wrench (flat) size 13 Required parts: 2 guide rails Y 2 guide bearings 12/16 slide nuts M8 12/16 screws M8×20 or M8×22 Place 6/8 slide nuts into the lower grooves of both frame parts sides. Afterwards put one guide bearing on the guide rail Y and mount it with screws M8×20 or M8×22 on the frame...
  • Page 6 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Threaded spindle Y Required tools: Allen keys 1,5/2/2,5/3 Required parts: 2 flange bearings 4 slide nuts M6 4 washers M6 4 screws M6×25 4 spacing rollers 7 mm Place four slide nuts M6 in the lower groove of the frame part rear face and mount two flange bearings with screws M6×25, spacing rollers and washers (Figure 4).
  • Page 7 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Figure 5: Thread locker on the spindles Figure 6: Jackets on the threaded spindles and fastened with headless screws Required tools: File Allen key 1,5 Required parts: Pre-assembled threaded spindles (long) 2 belt pulleys T5 20z (drilling 12 mm) 8 headless screws M46...
  • Page 8 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Required tools: Allen key 5 Rubber mallet Required parts: 2 flange bearings 4 slide nuts M6 4 washers M6 4 screws M6×25 4 spacing rollers 7 mm 4 headless screws M4×6 (for belt pulley) Belt pulley T5 20z (drilling 12 mm) Belt 305 mm Slide the belt pulley onto one of the threaded spindles already mounted inside the machine’s...
  • Page 9 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Motor plate Y and motor Y Required tools: Allen key 5 Required parts: 4 slide nuts M6 4 washers M6 (large) 4 lock washers 6 mm 4 screws M6×40 4 spacing rollers 15 mm Place two slide nuts in each of grooves of the frame part front face near that threaded spindle that has a belt pulley on it.
  • Page 10 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Slide the belt pulley onto the shaft of the stepper motor, leave a gap of 0.5 to 1 mm between pulley and motor casing, and tighten the pulley’s headless screw. Figure 11: Stepper motor with belt pulley Mount the stepper motor onto the bottom-left corner of motor plate Y using a screw M4×45, spacing roller...
  • Page 11 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Assembly of gantry Required tools: Allen key 3/5/6 Required parts: Connecting element gantry sides 8 spacing rollers 25 mm 12 lock washers 4 mm 8 screws M4×40 4 screws M4×16 Place the CNC machine’s frame bottom up on a flat surface and align the POM nut holders M4 so that they are the same distance away from the frame part front face.
  • Page 12 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Required tools: Allen keys 3/5/6 Required parts: 2 D100K (gantry sides) 8 washers 8 screws M8×22 Put the frame back onto its feet and mount the gantry sides, D100K, using screws M8×22 and washers on the guide bearings of the guide rails Y. Make sure that both gantry sides point I the same direction and are perpendicular to the frame (Figure 15).
  • Page 13 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Required tools: Allen keys 5/6 Required parts: Gantry 2 guide rails X 2 guide bearings 8 slide nuts M8 8 screws M8×22 Place four slide nuts M8 in one of the grooves of the gantry and mount a guide rail with four screws M8×22 onto it.
  • Page 14 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Figure 17: Gantry with slider rails X and guide bearings mounted Required tools: Allen keys 1,5/2/3/5/6 Rubber mallet Thread locker File Open-end wrench size 10 Required parts: Threaded spindle 665 mm 6 headless screws M33 (for threaded spindle) 4 headless screws M46 (for belt pulley, POM nut holder M4)
  • Page 15 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net jackets with the headless screws (in a similar way you did it with the threaded spindles of the X-axis; see page 5). Then, slide the belt pulley on one of the spindle’s jackets (if necessary, remove the top of the headless screws with a file).
  • Page 16 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Required tools: Allen key 3 Required parts: Base plate X rear 4 screws DIN933 M4×16 (hexagonal socket-headed screws) 4 screws M4×16 8 lock washers 4 mm Mount the base plate X rear with four screws DIN933 M4×16 and lock washers on the POM nut holder M4.
  • Page 17 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Required tools: Allen keys 3/5/6 Open-end wrench size 13 Try square 90° Required parts: Base plate X front Guide rail Z Holding block Z 4 screws M4×16 2 screws M4×35 2 screws M8×22 2 lock washers 4 mm...
  • Page 18 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Motor X Required tools: Allen keys 3/5 Open-end wrench size 13 Required parts: Stepper motor 57BYGH250D 3 screws M4×45 3 spacing rollers 25 mm 3 lock washers 4 mm 3 screw nuts M4 Belt pulley T5 20z (drilling 6,35 mm) Headless screws M46...
  • Page 19 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Required tools: Allen key 3 Flat nose pliers Diagonal pliers Required parts: Slide nut M4 Screw M4×20 Washer M4 (large) 2 screws M2×16 2 screw nuts M2 Mounting plate reference switch 4 cable straps Adhesive-backed cable holder Bend the metal plate of the stepper motor X as shown in Figure 23 and mount the micro switch on a mounting plate with two screws M2×16 and screw nuts M2.
  • Page 20 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Place one or two adhesive-backed cable holders on the inside of the gantry side below the stepper motor X and the threaded spindle, and fasten the cable coming from the reference switch and the wires of the stepper motor with cable straps. Additionally, the wires from the motor should be fastened with two cable straps at one of the spacing rollers.
  • Page 21 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Figure 25: Motor plate Z mounted Required tools: Allen keys 3/5/6 Required parts: Base plate Z spindle holder 8 screws M8×22 Spindle holder II 2 screws M4×50 2 guide bearings 3 screws M6×25 2 lock washers 4 mm Screw M6×40...
  • Page 22 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Required tools: Allen keys 3/5/6 Required parts: Stepper motor 57BYGH250D Belt pulley T5 20z (drilling 6.35 mm) Belt 305 mm Headless screw M46 3 screws M4×45 Screw M4×50 4 spacing rollers 25 mm 4 lock washers 4 mm...
  • Page 23 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Required tools: Allen key 3 Screw driver Flat nose pliers Cordless drill Drill 2,5 mm Required parts: Screw M4×16 2 screws M2×16 2 screw nuts M2 2 sheet metal screws 2,9×9,5 2 washers M3 (large)
  • Page 24: Almost Done

    Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Almost done Required tools: Allen key 3 Screw driver Flat nose pliers Required parts: Screw M4×16 Screw M4×20 Slide nut M4 Washer M4 (large) Screw nut DIN934 M4 2 screws M2×16 2 screw nuts M2 Mounting plate reference switch Put a screw nut DIN934 M4 on a screw M4×16 and place that screw at the upper guide...
  • Page 25 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Place a slide nut M4 in the lower groove of the frame part side that is closest to the threaded spindle of the Y-axis with the belt driven by the stepper motor. Mount the reference switch with a screw M420 and a washer on that frame part.
  • Page 26 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Afterwards, lay one of the plastic gantry covers on top of the gantry sides (they need to be flush with the gantry sides) and fasten the other gantry cover vertically with two clamps at the front of the gantry.
  • Page 27 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Attach the end segment drag chain (non-arresting) at the other side of the drag chain and mount that end segment on the plastic gantry cover with two metal sheet screws (drill two holes into the top cover with a drill 2.5 mm), so that the spindle holder can freely move along the X-axis and that the drag chain does never protrude over the gantry (Figure 34).
  • Page 28 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Required tools: Diagonal pliers Required parts: Cable straps 2 9-pin cables Cable clamp Screw M416 Connect each of the stepper motors X and Y with 9-pin cables. Afterwards, fasten the wires and the cable from motor Z as shown in Figure 35 and those of motor X as shown in Figure...
  • Page 29: Initial Operation

    Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net Initial Operation When you operate the CNC machine for the first time, it can happen that the gantry is not moving and the belts are slipping over the belt pulleys causing much noise. The usual reason for that is that the threaded spindles and flange bearings are not properly aligned, and the POM nuts are not run in yet.
  • Page 30 Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net When this is done, start a test run at very low speed (i.e. 5 mm/s) for Y-axis only and lubricate the threaded spindle where necessary. Make sure, that you tighten the screws on the bottom side of the connecting element gantry sides (holding the POM nut holders M4).
  • Page 31: Maintenance Plan

    Pro Basic/Vario Serie MechaPlus www.cnc-modellbau.net bottom side are not fastened. Vibrations during the initial operation and test runs can loosen screws causing them to rattle. If there are any problems or questions regarding the assembly or operation of the CNC...

This manual is also suitable for:

Pro vario seriesPro basic 10-05