Rust on Steel: Why it Occurs and Effective Ways to Eliminate it
Steel is an integral part of our daily life and production, yet the amount of steel lost worldwide due to [...]
For example, the total production cost and approximate time cycle of 50000 meters of 1 mm stainless steel cutting (because the sheet punching time, extremely short and empty distance cannot be counted, and the production arrangement of each enterprise is different. Since it belongs to the horizontal efficiency and cost comparison, it has little impact on the comparison of statistical results, and the loading and unloading time is not included).
50000 meters ÷ 20 meters/minute ÷ 60 minutes=41.7 hours ≈ 5 working days
41.7 hours × (27.8 yuan+70 yuan) ≈ 4078 yuan
50000 meters ÷ 8 meters/minute ÷ 60 minutes=104.2 hours ≈ 13 working days
104.2 hours × (63.5 yuan+70 yuan) ≈ 13911 yuan
50000 meters ÷ 6.5 meters/minute ÷ 60 minutes=128.2 hours ≈ 16 working days
128.2 hours × (50.5 yuan+70 yuan) ≈ 15488 yuan
| 1mm stainless steel | Fibre-optical 2000W | CO2 3000W | CO2 2000W |
|---|---|---|---|
| Time spent (days) | 5 days | 13 days | 16 days |
| Cost (yuan) | 4078 yuan | 13911 yuan | 15488 yuan |
Example:
Production cost and approximate time cycle of 50000m of 2mm stainless steel cutting (due to the short punching time and empty distance of the thin plate, which cannot be counted, and the production arrangement of each enterprise is different. Since it belongs to the horizontal efficiency and cost comparison, it has little impact on the comparison of statistical results, and the loading and unloading time is not included)
50000 meters ÷ 8.5 meters/minute ÷ 60 minutes=98 hours ≈ 12 working days
98 hours × (27.8 yuan+70 yuan) ≈ 9588 yuan
50000 meters ÷ 4.5 meters/minute ÷ 60 minutes=185.2 hours ≈ 23 working days
185.2 hours × (63.5 yuan+70 yuan) ≈ 24724 yuan.
50000 meters ÷ 3 meters/minute ÷ 60 minutes=277.8 hours ≈ 34.7 working days
277.8 hours × (50.5 yuan+70 yuan) ≈ 33475 yuan
| 2mm stainless steel | Fibre-optical 2000W | CO2 3000W | CO2 2000W |
|---|---|---|---|
| Time spent (days) | 12 days | 23 days | 34.7 days |
| Cost (yuan) | 9588 yuan | 24724 yuan | 33475 yuan |
| Cost (yuan) category |
IPG 2000W |
CO2 2000W |
CO2 3000W |
|---|---|---|---|
| Optical maser（KW） | 6.1 | 19.6 | 26.1 |
| Water chiller（KW） | 5.6 | 7 | 10.5 |
| Auxiliary engine（KW） | 5.6 | 5.6 | 5.6 |
| Machine（KW） | 8.4 | 8.4 | 8.4 |
| Laser gas（N2+H2+CO2） | 0 | 7 | 10 |
| Focusing lenses | 0.74 | 1 | 1 |
| Ceramic body | 0.8 | 0.8 | 0.8 |
| Cutting nozzle | 0.2 | 0.2 | 0.2 |
| Reflector lens |
0 | 0.9 | 0.9 |
| Protective lenses |
0.4 | 0 | 0 |
| Cumulative operation (yuan) | 27.8yuan | 50.5yuan | 63.5yuan |
| Cutting oxygen | （1～20mm）carbon steel 12～18Yuan/Hour | ||
| Cutting nitrogen | （1～8mm）nonrust steel 50～150 Yuan/Hour | ||
| Material name | Thickness（mm） | IPG2000 | CO2 2000W |
CO2 3000W |
|---|---|---|---|---|
| Cutting speed (m/min) | ||||
| Carbon steel | 1 | 10.0-13.0 | 5.0–6.5 | 6.0–9.0 |
| 2 | 5.0-6.0 | 3.5–5.0 | 4.0–5.6 | |
| 3 | 3.0-4.8 | 3.0–3.8 | 3.0–4.6 | |
| 4 | 2.8-3.5 | 2.5–3.3 | 2.6–3.8 | |
| 5 | 2.2-3.0 | 2.2–2.8 | 2.2–3.2 | |
| 6 | 1.8-2.5 | 1.8–2.5 | 2.0–2.8 | |
| 8 | 1.2-1.8 | 1.1–1.6 | 1.3–2.0 | |
| 10 | 1.1-1.3 | 1.0–1.3 | 1.2–1.6 | |
| 12 | 0.9-1.2 | 0.9–1.1 | 1.0–1.4 | |
| Nonrust steel | 1 | 15.0-22.0 | 6.0-9.0 | 7.0–9.0 |
| 2 | 7.0-9.0 | 3.8-4.5 | 4.2–5.2 | |
| 3 | 3.5-5.5 | 2.0-2.5 | 2.8–3.9 | |
| 4 | 3.0-4.5 | 1.2-1.8 | 2.0–2.8 | |
| 5 | 1.8-2.5 | 1.0-1.3 | 1.6–2.0 | |
| 6 | 1.2-1.8 | 0.6-0.9 | 1.3–1.6 | |
| 8 | 0.8-1.0 | 0.7–1.0 | ||
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