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If the wires in your kit have white printed tags, please ignore this step. Each wire, at the connector end has a coloured clip with a number. This colour and number identifies this wire. Please see key below.
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(0)(Black) X-Axis Limit Switch
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(1)(Brown) Y-Axis Limit Switch
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(2)(Red) Z-Axis Limit Switch
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(3)(Orange) X-Axis Stepper Motor Wire.
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(4)(Yellow) Left Y-Axis Stepper Motor Wire.
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(5)(Green) Right Y-Axis Stepper Motor Wire.
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(6)(Light Blue) Z-Axis Stepper Motor Wire.
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It is normally easier to connect the female end of the Y-Drag-Chain to a Drag-Chain-Fixed-End now, and then proceeding with the guide.
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It will take some force to click the Y-Drag-Chain into the Drag-Chain-Fixed-End. A small flathead screwdriver can be used to help pry the Y-Drag-Chain in place.
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Attach the Drag-Chain-Fixed-End to the Y-Drag-Chain-Fixed-End-Mount in the orientation shown above, using 3 x M5-Low-Profile-15mm bolts and 3 x M5-Nyloc-Nuts.
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Attach a Drag-Chain-Fixed-End to the Y-Drag-Chain-Fixed-End-Mount in the orientation shown above, using 2 x M5-Low-Profile-15mm bolts and 2 x M5-Nyloc-Nuts.
This comment found in the X axis instructions would help here. I spent ages looking at the two instructions trying to understand how to do both…..
“WorkBee Kits may include different version drag chains, please refer to the correct drawings for assembly of the version supplied.”
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Position the Y-Axis-Fixed-End-Assembly to the back left corner of the WorkBee.
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It should be flush with the end of the C-Beam-750mm. Secure it using 2 x M5-Low-Profile-25mm bolts and 2 x M5-Drop-In-Tee-Nuts.
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Insert 2 x M5-Nyloc-Nuts into the insets on the Y-Drag-Chain-Moving-End-Mount. They are a snug fit, so may require a light tap with a hammer.
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Attach a Drag-Chain-Moving-End to the Y-Drag-Chain-Moving-End-Mount in the orientation shown above using 3 x M5-Low-Profile-15mm bolts and 3 x M5-Nyloc-Nuts.
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Attach a Drag-Chain-Moving-End to the Y-Drag-Chain-Moving-End-Mount in the orientation shown above using 2 x M5-Low-Profile-15mm bolts and 2 x M5-Nyloc-Nuts.
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Secure the Y-Axis-Moving-End-Assembly using 2 x M5-Low-Profile-15mm bolts and the 2 x M5-Nyloc-Nuts already inserted into Y-Drag-Chain-Moving-End-Mount.
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Lay the Y-Drag-Chain flat on a table. Feed the PSU-Output-Power-Cable through the whole length of the Y-Drag-Chain. Ensure that the end with the XT60-Connector, is located at the female end of the Y-Drag-Chain. (as shown in the ‘Female End’ image).
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Feed the two (4)(Yellow) & (5)(Green) Y-Axis Stepper Motor Wires through the Y Drag-Chain. The end of the stepper motor wires with the black connector should be at the female end of the Y-Drag-Chain - same as above.
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Feed the wires on the (1)(Brown) Y-Axis Limit-Switch, through the Y Drag-Chain. The switch portion of the Limit-Switch should be at the female end of the Y-Drag-Chain.
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If you have the Ethernet version of the Duet, now would be a good time to also insert this wire.
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The tabs of the Drag-Chain can be flipped open with a small flathead screwdriver. Doing this will help to feed the cables.
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Lay the Y-Drag-Chain flat along the left side of the WorkBee. The female end of the Y-Drag-Chain should be at the back of the machine, and the male end at the front.
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Attach the female end of the Y-Drag-Chain to the Drag-Chain-Fixed-End on the Y-Axis Fixed-End-Assembly. It will take some force to click it into the Drag-Chain-Fixed-End. A small flathead screwdriver can be used to help pry the Drag-Chain in place.
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Bring the male end of the Y-Drag-Chain to the Y-Axis-Moving-End-Assembly and attach it to the Drag-Chain-Moving-End. It will take some force to click it into the Drag-Chain-Moving-End. A small flathead screwdriver can be used to help pry the Drag-Chain in place.
I have the ethernet version and found the ‘feeding cable’ very frustrating and time consuming. It worth the time to flip all the tabs open as it get pretty tight in there.
100% worth flipping all the tabs open, it allows you to line all of the cabling neatly down the drag chain and avoids having to force cables through using a fishing wire. Might seem like a pain but really is less frustrating and takes probably the same amount of time
Adjusting cable slack in the Y axis drag chain is difficult once the chain is installed. An indication of cable length at the Duet controller end would help prevent having to make any adjustments.
I’m finding this entire page incredibly confusing… I don’t understand why it’s written in this way when annotated diagram would work fine,,,,
I used the power cable once through with a bit of sticky tape to pull the others through to the same effect
I attached a glass fiber electrical fishing tape to each wire to pull them through the drag chain. This was particularly helpful to get the Y-Axis Limit Switch wire threaded through the chain.
John Buckle. May 27, 2021
I used a piece of plastic conduit cover to the same effect.
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One Comment
I'm struggling to identify which drag chain is which as mine are unlabeled I am assuming that the longer one is the y axis .
Y axis drag chain is the longer of the two. It doesn’t tell you that anywhere else!
Adrian Hardy - Reply