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Queenbee Z axis assembly
QueenBee PRO style CNC Z axis assembly BOM
| Product | Price | Qty | ||
|---|---|---|---|---|
 | MGN15 linear guide - 250mm | $11.77 | 2 | Add to Cart |
| | MGN15C linear bearing | $16.48 | 4 | Add to Cart |
 | Sliding T-Nut for 2020 and V-slot profiles - M3 | $0.18 | 12 | Add to Cart |
 | Button Head Cap Screw
| $0.18 | 12 | Add to Cart |
| | C-beam - 250mm | $9.42 | 1 | Add to Cart |
 | Queenbee Pro type Z plate | $23.54 | 1 | Add to Cart |
| | TR8*8-2p 4 start anti backlash nut block in Delrin | $9.42 | 1 | Add to Cart |
| | 18mm Z spacer block | $7.06 | 1 | Add to Cart |
 | Low profile screw M5 - 35mm | $0.41 | 2 | Add to Cart |
 | Nylon Insert Lock Nut - M5 In stock | $0.29 | 2 | Add to Cart |
 | lock collar - 8mm | $2.35 | 2 | Add to Cart |
 | 8mm precision shim | $0.59 | 2 | Add to Cart |
 | F688ZZ flanged bearing | $3.53 | 2 | Add to Cart |
| | 281mm ACME leadscrew | $17.66 | 1 | Add to Cart |
 | Socket Head Screw
In stock | $0.29 | 4 | Add to Cart |
 | Z-Axis End Mount Motor Bottom | $9.42 | 1 | Add to Cart |
 | Z-Axis End Mount Motor Top | $11.77 | 1 | Add to Cart |
 | Small head socket screw
| $0.16 | 1 | Add to Cart |
| Add All To Cart |
1. The linear rails
Use the M3 10mm screws and the M3 sliding (or post insertion) nuts.
Attach them then to the 250mm C beam:
And slide on the MGN15 bearings – be careful not to loose the bearing balls:
Then put the flanged bearings into the end plates:
And attach the end plates at the end of the C beam, with M5 15mm screws:
The flange of the flanged bearings should be inside:
2. Z gantry
Attach the anti backlash nut bloc to the Z plate with some space in-between: either by using the plastic spacer block, or else by using spacer and shims totalling 17mm:
Use 2 M5 lock nuts and 2 35mm (or 40mm) screws for attaching that anti-backlash nut block.
And then connect the Z plate to the bearings (the anti backlash nut facing into the C beam), by using M3 x 12mm small head screws:
3. The leadscrew
Use the 8 leadsrew, with at both ends an 8mm precision shim and 8mm lock collar:
But put them on, only when the leadscrew is inserted into the assembly:
And then put it onto the flange of the flanged bearing:
Do this at both ends and make sure there is a bit sticking out at the end plate that has 4 tapped holes, this will be to connect the coupler for the motor:
4. Mate the Z plate with the X plate
Use screws with a 15 to 20mm screw length – the motor side of the Z axis should be at the top:
