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Adding the Z Axis had its challenges, and reliable Z Axis operation continues to be an issue for many Maslow users. While I was in the thick of setting it up, it felt like I’d never get it to work, but after working through a lot of what turned out to be user errors, and a few bugs in design, I have it working pretty reliably. Maker Made is prototyping a Z Axis solution that will cut through the remaining issues and make it rock solid. I’m super excited to try that out when it’s ready!

The most important thing to know about the Z Axis is that you don’t want to Maslow without it. When I first calibrated my machine and tried to cut out the final sled, I was following an online assembly guide that has you add the Z Axis AFTER calibration and cutting the final sled.

So I tried to cut the final sled without a Z Axis. Meaning that every time there was a change in bit depth, I had to:

  • pause the cut
  • walk from my computer to my frame setup
  • turn the router off
  • manually adjust the Z Axis (totally guessing at depth because I had no idea)
  • turn the router on
  • walk back to my computer
  • click a button to resume cutting

[/vc_column_text][/vc_column][/vc_row][vc_row el_id=”1559413944961-91da2c35-ebed”][vc_column][vc_video link=”https://youtu.be/AdTIsyntWYI” align=”center”][/vc_column][/vc_row][vc_row el_id=”1559961766869-5e294d8c-3120″][vc_column][vc_column_text]If that had to happen half a dozen times in the course of the design, that would have been okay. But it had to happen eight times PER CUT. The total number of bit depth changes for the final sled pattern comes in at just under 150. It was enough to make me lose, if not my will to live, at least my will to Maslow.

The above video shows the part where it’s FINALLY cutting the outer circle, the victory lap. But you can see the gashes in the plywood where I screwed up, forgetting to pause and raise the bit between cuts. In fact, since I didn’t understand how to adjust the bit depth, the program finished and the sled still wasn’t cut all the way through. I had other plans for my sled, I’d just been cutting it to go through the process and see what it was like, so I gave up on it. It’s still stuck in that piece of plywood, frozen in place, like Hans Solo.

I’ve since cut out some super cool stuff, and I’m loving my Maslow, that first project was rough. So if you run into problems, don’t get discouraged, and so far feedback from early testers of the assembly manual says that the detailed instructions make the whole process a lot smoother.[/vc_column_text][/vc_column][/vc_row][vc_row el_id=”1559414120423-4c972855-212d”][vc_column][pgscore_info_box layout=”style_2″ content_alignment=”left” icon_position=”left” icon_disable=”” title=”Assembly 1.4 Assembling the Z Axis” title_el=”h4″ title_color=”#323232″ description=”Click PDF image to download these instructions in PDF format” enable_step=”” step=”01″ style_2_step_position=”above_title” style_4_step_color=”#323232″ style_5_step_color=”#323232″ icon_style=”default” icon_size=”lg” icon_shape=”square” icon_background_color=”#cccccc” icon_border_color=”#cccccc” icon_border_width=”5″ icon_border_style=”” icon_enable_outer_border=”” icon_outer_border_color=”#cccccc” icon_outer_border_width=”5″ icon_outer_border_style=”” icon_source=”font” icon_image=”” icon_color=”#e2574c” element_css=”” element_id=”” element_class=”” icon_type=”fontawesome” icon_fontawesome=”fa fa-file-pdf-o” icon_openiconic=”vc-oi vc-oi-dial” icon_typicons=”typcn typcn-adjust-brightness” icon_entypo=”entypo-icon entypo-icon-note” icon_linecons=”vc_li vc_li-heart” icon_monosocial=”vc-mono vc-mono-fivehundredpx” icon_material=”vc-material vc-material-cake” icon_pixelicons=”vc_pixel_icon vc_pixel_icon-alert” icon_flaticon=””][/vc_column][/vc_row][vc_row el_id=”1559414280136-7a8e549c-f1d5″][vc_column][vc_single_image image=”6948″ img_size=”medium” alignment=”center” style=”vc_box_border” onclick=”custom_link” img_link_target=”_blank” css_animation=”fadeIn” link=”http://www.makermadecnc.com/wp-content/uploads/2019/06/1.4InstallingTheZAxis-1.pdf”][/vc_column][/vc_row][vc_row pgscore_enable_responsive_settings=”true” el_id=”1559434418583-5b2341f5-4f9d”][vc_column width=”1/2″][vc_custom_heading text=”Tools Needed” font_container=”tag:h4|text_align:left” use_theme_fonts=”yes”][vc_column_text]

  • Phillips-head screwdriver
  • T10 Torx Screwdriver
  • Safety goggles
  • Computer or tablet
  • Ground Control software (free)

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  • Part #14 Z Axis Motor
  • Part #15 Z Axis Motor Cable,
  • Part #16 Z Axis Motor Mounts (2)
  • Hardware Bag Z
  • Hardware Bag #2, ziptie

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In manual use, your router has a knob/screw assembly that you turn in order to move the bit up and down. The Z axis is designed to replace that, saving you painstaking manual adjustments

These instructions are tailored to the Rigid router, if you have a different router, procedure may vary.

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T10 Torx Screwdriver

  • In the Rigid router, adjustment knob is dark gray, located on side of router
  • Insert T10 torx screwdriver into hole in top of adjustment knob
  • Loosen screw, remove knob
  • Save knob/screw in case you want to restore your router to manual control

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Bag Z (4) bolts, (4) nuts

Bag #8 allen wrench

Part #16 Z Axis Motor Mounts (L-brackets)

  • Place l-brackets back to front as shown, with lengthwise slots lined up
  • Insert bolts through slots in both brackets
  • Hold bolts steady with allen wrench
  • Twist nuts over end of bolts to secure
  • Leave loose for later adjustment

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Bag Z (6) screws

Part #14 Z Axis Motor

Phillips-head screwdriver

  • Insert motor shaft through opening in bottom of L-bracket, from outside to inside
  • Align six small holes in bracket with matching holes in motor
  • Insert screws through holes
  • Tighten with Phillips-head screwdriver

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Bag Z shaft coupler

Bag #8 allen wrench

  • Shaft coupler has a larger hole on one end, a smaller hole on the other end
  • Slide end with smaller hole over motor shaft
  • Use allen wrench to tighten set screw nearest to motor
  • Leave other 2 set screws as is until Step 5

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Bag Z (6) wood screws

Bag #8 allen wrench

Phillips-head screwdriver

  • Slide free end of shaft coupler over adjustment screw on router
  • Use allen wrench to tighten 2 set screws to engage shaft coupler with router
  • If unable to reach a screw, leave it for later when the motor gets rotated
  • Adjust/slide L-brackets so bottom bracket rests on sled
  • Insert wood screws through small holes in bottom of L-bracket, screw into wood of sled

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Bag #2 ziptie

Part #15 Z Axis Motor Cable

  • Insert one end of motor cable into end of Z Axis motor
  • Insert other end of cable into MP2 slot on Arduino
  • Use ziptie to secure cable to motor to provide relief from strain as sled moves

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Computer or tablet

Ground Control software

  • Open Ground Control
  • From main screen, click Settings
  • Scroll down to “z-axis installed”
  • Click switch to “on”
  • Directly below, check “z-axis pitch” setting
  • For Rigid router, setting should be 3.17
  • If using another router, check markings on knob removed from router. It should indicate the distance per-rotation, ie how far down the bit goes each time the handle is fully rotated

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Bag #8 allen wrench

Computer or tablet

Ground Control software

  • If a set screw in the shaft coupler still needs to be tightened-
  • Rotate shaft coupler to access it using z-axis buttons in Ground Control.
  • Tighten with allen wrench

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Phillip’s head screwdriver

  • On Rigid router, clamping mechanism must be adjusted to allow movement
  • Loosen screw on inside of clamp
  • Correct tension will allow router to move freely but not wiggle.

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.