calculations - C-Division-24-25-Even/Repo-12 GitHub Wiki

emboided energy

Component	Volume (m³)	Density (kg/m³)	Mass (kg)	Unit EE (MJ/kg)	Total EE (MJ)
Base 1 (Acrylic)	0.001875	1180	2.2155	110	243.375
8 Acrylic Linkages	0.0001311	1180	3.846	110	423.0
4 Acrylic Linkages	5.6565E-5	1180	0.133	110	7.337
1 Acrylic Linkage	6.26E-5	1180	0.0667	110	8.118
2 Nylon Rods	6.784E-6	1150	0.0039	100	0.39
Total Embedded Energy					696.91 MJ

msb calculations

🔧 Motor Selection Calculations

1️⃣ Scissor Lift Mechanism – Torque Calculation

Given:

• Load (mass): 6.446 kg
• Gravity (g): 9.81 m/s²
• Lever Arm Radius (r): 5 cm = 0.05 m

Calculations:

Force (F) = m × g = 6.446 × 9.81 = 63.24 N

Torque (T) = F × r = 63.24 × 0.05 = 3.162 Nm

Convert to kg·cm: T = (3.162 × 100) / 9.81 ≈ 32.23 kg·cm

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✅ Required Torque: ~32.23 kg·cm
✅ Selected Motor: 12V DC Gear Motor, 150 RPM, ≥35 kg·cm torque

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2️⃣ Slider-Crank Push Mechanism – Torque Calculation

Given:

• Load (mass): ~3 kg
• Gravity (g): 9.81 m/s²
• Crank Radius (r): 3 cm = 0.03 m

Calculations:

Force (F) = m × g = 3 × 9.81 = 29.43 N

Torque (T) = F × r = 29.43 × 0.03 = 0.883 Nm

Convert to kg·cm: T = (0.883 × 100) / 9.81 ≈ 9 kg·cm

yaml Copy Edit

✅ Required Torque: ~9 kg·cm
✅ Selected Motor: 12V DC Gear Motor, 10 RPM, ≥10 kg·cm torque

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⚙️ Summary Table

Mechanism	Load (kg)	Required Torque (kg·cm)	Motor Chosen	Speed (RPM)	Voltage (V)	Current (mA)
Scissor Lift	6.446	32.23	12V DC Gear Motor	150	12	1200
Slider-Crank Push	3	9	12V DC Gear Motor	10	12