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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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WorkBee Kits may include different version drag chains, please refer to the correct drawings for assembly of the version supplied.
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Attach a 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.
Having looked at these for a few minutes trying to tell the difference between the two drawings. One has four long slots, the other has three (and more of an angular support). Whilst the drag-chain-fixed-end may not have a middle slot.
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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.
My Y-Axis-Fixed-End-Assembly had a large chunk of 3d printer material (presumably the support during the printing process). This pulls away very easily but fouls the end cap if not done.
Hi Mike, Thanks for the feedback this is indeed the support material! It can be easily removed as mentioned but I will follow up with the team to ensure in the future it is removed on all Drag Chain Kits.
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WorkBee Kits may include different version drag chains, please refer to the correct drawings for assembly of the version supplied.
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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-20mm bolts and the 2 x M5-Nyloc-Nuts already inserted into Y-Drag-Chain-Moving-End-Mount.
Wouldn’t it be much easier to add this part when you’re building the Y plates? Very difficult to get to the bolts as it is. Not impossible, but unnecessarily fiddly.
Also, why does it have to be a 20mm bolt here? Given the difficulty getting to it, it would surely make more sense to not have to wind in 5mm of unnecessary bolt through a nyloc nut?
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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.
Hi, I also had an issue with the Y-Axis-Moving-End-Assembly, it is a 3D printed part with the laminations in the 3d printing creating a week point in the design of the bracket.
As such any lateral force applied to the bracket (such as attaching the Y-Drag-Chain-Moving-End-Mount) causes it to snap across the lamination.
The advice from lmatthews@skylinevfx.com to attach the Drag-Chain-Moving-End to the Y-Axis-Moving-End-Assembly before you bolt the Drag-Chain-Moving-End to the Y-Drag-Chain-Moving-End-Mount is very sound advice.
In the end, I removed this poor quality component and screwed the Y-Drag-Chain-Moving-End-Mount directly to the MDF base the Workbee is attached to.
Ooznest may want to re-visit the quality/design of this component. Or update the instructions to alter the sequencing.
Thank you for the feedback! - We will revisit this design and alter the guide for future versions to have this step earlier on.
When trying to attach the Y-Axis-Moving-End-Assembly to the Y-Drag-Chain-Moving-End-Mount I ended up breaking the Y-Drag-Chain-Moving-End-Mount plastic trying to get it on as its quite difficult. It is easier to attach the Drag-Chain-Moving-End to the Y-Axis-Moving-End-Assembly before you bolt the Drag-Chain-Moving-End to the Y-Drag-Chain-Moving-End-Mount. This avoids putting too much pressure on the Y-Drag-Chain-Moving-End-Mount when trying to attach it.
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Thanks for following the guide. Any issues, please contact us!
Thanks for following the guide. Any issues, please contact us!
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3 Comments
For the longer Y drag chain on the 1500 x1500, I had to remove two of the links as it hit the left hand corner plate before the X arm had reached the end.
Any chance of an update here?
1500 x1500 which drag chain is the left which is at the rear, one is shorter tan the other.
Im sure the sizes for theoter models would help too.
Hi,
On the cable carrier packaging strap, there should be a barcode, which indicates whether it is X or Y. The Longer one is always the Y-Axis.
