Gears and transmission
Enthalpy wheel frame assembly
- Bounding box
- 1700 × 950 × 2200 mm
- Engine
- 3D Printing B-rep
- Parameters
- 68
- Published
- November 13, 2026
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The prompt
Create a 3D CAD assembly of 57 separate non-fused solids (boxes/cylinders only, no extra features/fillets/holes, mm units). Right-hand coords, origin at bottom-front-left (X=width, Y=depth, Z=height). Notation: Box [x0..x1, y0..y1, z0..z1]; Y-cyl = cylinder along Y-axis. FRAME (40x40 section): 4 posts (Z 0..2100) at XY footprints: [0..40, 0..40], [0..40, 910..950], [1660..1700, 0..40], [1660..1700, 910..950]. 12 rails: 3 sets at Z 0..40, 1030..1070, and 2060..2100. Each set: front [0..1700, 0..40], back [0..1700, 910..950], left [0..40, 0..950], right [1660..1700, 0..950]. PANELS & PARTITION: Left & Right sides: Box [0..2, 40..910, 40..2060] & Box [1698..1700, 40..910, 40..2060]. Rear: Box [40..1660, 948..950, 40..2060]. Front upper & lower: Box [40..1660, 0..2, 1070..2060] & Box [40..1660, 0..2, 40..1030]. Partition: Box [40..1660, 40..910, 1037.5..1062.5]. ENTHALPY WHEEL (Y-cyls/rings centered at X=850, Z=1050): Media annulus: R_out 700, R_in 120, Y 375..575. Outer support rim: R_out 750, R_in 700, Y 375..575. Hub: R_out 105, R_in 25, Y 350..600. 3 Media support rings (all Y 375..575): R_out 268/438/598, corresponding R_in 252/422/582. 12 spokes: solid cylinders (R16, length 590), radial in XZ plane at Y=475, from R105 to R695. Angles from +X to +Z: 0°, 30°, 60°, 90°, 120°, 150°, 180°, 210°, 240°, 270°, 300°, 330°. SHAFT & BEARINGS: Main shaft: Y-cyl R25, Y -80..1030, centered X=850, Z=1050. 2 bearing housings (rings R_out 75, R_in 27, centered X=850, Z=1050): Y 290..330 & Y 620..660. 2 bearing pedestals: Box [755..945, 285..335, 880..970] & Box [755..945, 615..665, 880..970]. MOTOR & DRIVE: Motor platform: Box [250..670, 120..420, 80..105]. Motor (Y-cyls centered X=390, Z=230): body R95 Y 150..390; end cap R100 Y 125..150; shaft R22 Y 390..490; pulley R65 Y 470..505. Wheel drive pulley: Y-cyl R110, Y 980..1015, centered X=850, Z=1050. FEET (4 boxes, Z -100..0): [100..160, 100..160], [100..160, 790..850], [1540..1600, 100..160], [1540..1600, 790..850]. DUCT COLLARS (X-axis rings, X 1695..1760, R_out 310, R_in 300): Two collars centered at Y=475, Z=1428 & Y=475, Z=672. Overall bounding box: X 0..1760, Y -80..1030, Z -100..2100. Output as one assembly of 57 distinct solids.
Parameters
| Name | Value | Range |
|---|---|---|
| Overall width | 1700 mm | 1000 – 2000 |
| Overall depth | 950 mm | 500 – 1500 |
| Overall height | 2100 mm | 1000 – 2500 |
| Post square section | 40 mm | 20 – 120 |
| Rail square section | 40 mm | 20 – 120 |
| Foot square size | 60 mm | 30 – 150 |
| Foot height | 100 mm | 20 – 200 |
| Panel thickness | 2 mm | 1 – 10 |
| Partition thickness | 25 mm | 10 – 50 |
| Partition lower Z | 1037.5 mm | 500 – 2000 |
| Wheel center X | 850 mm | 300 – 1600 |
| Wheel center Z | 1050 mm | 400 – 1800 |
| Media outer radius | 700 mm | 300 – 900 |
| Media inner radius | 120 mm | 20 – 400 |
| Media near-side Y | 375 mm | 200 – 800 |
| Media far-side Y | 575 mm | 200 – 900 |
| Outer rim radius | 750 mm | 400 – 1000 |
| Outer rim inner radius | 700 mm | 300 – 900 |
| Hub outer radius | 105 mm | 60 – 200 |
| Hub bore radius | 25 mm | 10 – 100 |
| Hub near-side Y | 350 mm | 200 – 800 |
| Hub far-side Y | 600 mm | 200 – 900 |
| Spoke radius | 16 mm | 8 – 30 |
| Spoke length | 590 mm | 300 – 800 |
| Spoke centre Y | 475 mm | 300 – 800 |
| Main shaft radius | 25 mm | 10 – 80 |
| Main shaft near-side Y | -80 mm | -200 – 1000 |
| Main shaft far-side Y | 1030 mm | 500 – 1500 |
| Bearing ring outer radius | 75 mm | 40 – 150 |
| Bearing ring bore radius | 27 mm | 10 – 100 |
| Bearing 1 near-side Y | 290 mm | 100 – 600 |
| Bearing 1 far-side Y | 330 mm | 100 – 600 |
| Bearing 2 near-side Y | 620 mm | 300 – 900 |
| Bearing 2 far-side Y | 660 mm | 300 – 900 |
| Pedestal width X | 190 mm | 100 – 300 |
| Pedestal depth Y | 50 mm | 20 – 120 |
| Pedestal height | 90 mm | 30 – 160 |
| Pedestal bottom Z | 880 mm | 400 – 1500 |
| Motor centre X | 390 mm | 200 – 800 |
| Motor centre Z | 230 mm | 50 – 500 |
| Motor platform left X | 250 mm | 100 – 500 |
| Motor platform right X | 670 mm | 200 – 1000 |
| Motor platform near Y | 120 mm | 50 – 500 |
| Motor platform far Y | 420 mm | 200 – 800 |
| Motor platform bottom Z | 80 mm | 20 – 300 |
| Motor platform top Z | 105 mm | 50 – 400 |
| Motor body radius | 95 mm | 40 – 150 |
| Motor body near-side Y | 150 mm | 50 – 800 |
| Motor body far-side Y | 390 mm | 200 – 900 |
| Motor end-cap radius | 100 mm | 40 – 160 |
| Motor end-cap near-side Y | 125 mm | 50 – 800 |
| Motor end-cap far-side Y | 150 mm | 50 – 800 |
| Motor shaft radius | 22 mm | 10 – 60 |
| Motor shaft near-side Y | 390 mm | 200 – 900 |
| Motor shaft far-side Y | 490 mm | 200 – 1000 |
| Motor pulley radius | 65 mm | 20 – 120 |
| Motor pulley near-side Y | 470 mm | 200 – 900 |
| Motor pulley far-side Y | 505 mm | 200 – 1000 |
| Wheel drive pulley radius | 110 mm | 30 – 200 |
| Drive pulley near-side Y | 980 mm | 500 – 1200 |
| Drive pulley far-side Y | 1015 mm | 500 – 1200 |
| Duct collar outer radius | 310 mm | 150 – 500 |
| Duct collar inner radius | 300 mm | 100 – 500 |
| Duct collar near-side X | 1695 mm | 800 – 1800 |
| Duct collar far-side X | 1760 mm | 900 – 1900 |
| Duct collar centre Y | 475 mm | 200 – 800 |
| Lower duct collar centre Z | 672 mm | 200 – 1800 |
| Upper duct collar centre Z | 1428 mm | 300 – 2000 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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