Gears and transmission
Exploded Push-Type Mechanical Scissor Lawnmower Assembly
- Bounding box
- 410.0 × 20.0 × 214.0 mm
- Engine
- Precision B-rep
- Parameters
- 52
- Published
- October 2, 2026
Download
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The prompt
### Precise Short Prompt > **Convert the uploaded engineering drawing into a fully dimensionally accurate 3D CAD assembly of the same push-type mechanical scissor lawnmower. Do not redesign or change the mechanism.** > > **Key dimensions:** overall 600 mm L × 450 mm W; handle height 950 mm; axle length 460 mm; wheel centers 400 mm; axle Ø20 mm; wheels Ø200 × 50 mm; scissor blades 400 mm tip-to-tip, each arm 200 mm, thickness 4 mm, pivot hole Ø20 mm, 35° single-bevel cutting edge; crankshaft Ø20 × 220 mm; crank pin Ø15 mm; crank throw 20 mm. > > **Transmission:** wheel-driven horizontal axle → 60 mm bevel gear → 60 mm mating bevel gear → speed-increasing gearbox; G1 Ø135 mm, 54 teeth, module 2.5 → G2 Ø30 mm, 12 teeth, module 2.5, ratio 4.5:1 → vertical crankshaft → linkage → synchronized opposing scissor blades. > > Model **realistic shafts, bearings, gear teeth, hubs, keyways, fasteners, blade pivot, chassis, handle and protective guards**. Ensure all components are mechanically connected, correctly aligned, manufacturable, and collision-free. > > **Output:** high-detail parametric 3D mechanical assembly, realistic engineering materials, clean industrial appearance, plus an exploded isometric view. Preserve the exact geometry and proportions of the uploaded drawing. **No motor, battery, electronics, rotary mower blade, or unnecessary components.**
Parameters
| Name | Value | Range |
|---|---|---|
| Layout Gap | 50 mm | 20 – 100 |
| Chassis Length | 600 mm | 500 – 700 |
| Chassis Width | 450 mm | 350 – 550 |
| Chassis Plate Thickness | 10 mm | 5 – 20 |
| Chassis Frame Wall Width | 20 mm | 10 – 40 |
| Chassis Frame Height | 30 mm | 20 – 50 |
| Handle Tube Outer Diameter | 30 mm | 15 – 50 |
| Handle Tube Wall Thickness | 2 mm | 1 – 5 |
| Handle Length | 950 mm | 800 – 1100 |
| Axle Diameter | 20 mm | 10 – 40 |
| Axle Length | 460 mm | 300 – 600 |
| Wheel Diameter | 200 mm | 100 – 300 |
| Wheel Width | 50 mm | 20 – 80 |
| Wheel Bore | 20 mm | 10 – 30 |
| Bevel Gear Outer Diameter | 60 mm | 40 – 80 |
| Bevel Gear Inner Diameter | 30 mm | 15 – 50 |
| Bevel Gear Thickness | 20 mm | 10 – 30 |
| Bevel Gear Bore | 20 mm | 10 – 30 |
| Bevel Gear Tooth Count | 12 | 6 – 24 |
| Bevel Gear Tooth Width | 3 mm | 1 – 6 |
| Bevel Gear Tooth Depth | 5 mm | 2 – 8 |
| Bevel Gear Tooth Height | 5 mm | 2 – 10 |
| Gearbox Length | 160 mm | 120 – 200 |
| Gearbox Width | 140 mm | 100 – 180 |
| Gearbox Height | 80 mm | 50 – 120 |
| Gearbox Wall Thickness | 5 mm | 2 – 10 |
| Gear1 Module | 2.5 mm | 1 – 5 |
| Gear1 Teeth | 54 | 20 – 80 |
| Gear1 Face Width | 10 mm | 5 – 20 |
| Gear1 Bore | 20 mm | 10 – 30 |
| Gear2 Module | 2.5 mm | 1 – 5 |
| Gear2 Teeth | 12 | 8 – 30 |
| Gear2 Face Width | 10 mm | 5 – 20 |
| Gear2 Bore | 15 mm | 10 – 25 |
| Crankshaft Diameter | 20 mm | 10 – 30 |
| Crankshaft Length | 220 mm | 150 – 300 |
| Crank Pin Diameter | 15 mm | 10 – 20 |
| Crank Throw | 20 mm | 10 – 40 |
| Crank Pin Length | 30 mm | 15 – 50 |
| Crank Pin Height Offset | 180 mm | 100 – 220 |
| Linkage Length | 150 mm | 100 – 200 |
| Linkage Width | 20 mm | 10 – 30 |
| Linkage Thickness | 8 mm | 4 – 15 |
| Linkage Hole 1 Diameter | 15 mm | 10 – 25 |
| Linkage Hole 2 Diameter | 20 mm | 10 – 30 |
| Blade Length (each arm) | 200 mm | 150 – 250 |
| Blade Width | 30 mm | 15 – 50 |
| Blade Thickness | 4 mm | 2 – 8 |
| Blade Pivot Hole Diameter | 20 mm | 10 – 30 |
| Bevel Angle | 35 deg | 20 – 60 |
| Pivot Pin Diameter | 20 mm | 10 – 30 |
| Pivot Pin Length | 80 mm | 30 – 120 |
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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