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Analysis of the benefits of laser cleaning

Analysis of the benefits of laser cleaning

The following takes laser cleaning machine of tire molds as an example to illustrate the economic benefits of laser cleaning compared with offline sandblasting and dry ice cleaning equipment. Laser cleaning technology has obvious advantages: fast cleaning, low labor intensity, no wear and no danger to the operator.

However, the initial investment in equipment is higher, amounting to US$300,000-600,000. Therefore, the factory needs to establish a reasonable investment recovery plan. Laser system factories can achieve payback within 18 months. Short vulcanization downtime, lower labor costs, less mold wear, and lower production costs are potential benefits. For example, a device with a daily production of 20,000 tires is required to clean 8 vulcanizers (16 molds) on average once a day, assuming that 3 vulcanizers are cleaned per shift or 9 vulcanizers are cleaned per day (some factories clean twice) It takes about 15h of work and 10h of downtime to remove the two halves of the mold from the vulcanizer for offline cleaning. If laser is used to clean the two halves of the mold, it requires 0.3h of work and 3h of downtime. One vulcanizer can save 14h of work and 7h of downtime. Suppose also that, with only 10 cleanings (5 vulcanizers) and 5 offline cleanings in the mold shop, the use of laser cleaning will yield huge returns: 70 hours of work per day and 35 minutes of downtime, then Based on 320 working days a year, 22,400 hours of homework and 11,200 hours of computer time can be added each year.

The repair and maintenance costs of the laser cleaning equipment should also be included. To clean the laser mirror and remove the residue deposited on the filter, the unit needs to be maintained for 30 minutes per week and the main components for 60 minutes every 4 weeks. . Routine maintenance of the unit and operation of the laser system are performed every 6 months per the manufacturer’s requirements. Most of the mechanical parts can have a service life of more than 10 years like the laser frame, and some laser parts require replacement after about 300 hours of use. These parts are field replaceable during routine preventive maintenance. Laser unit plus its one-year warranty. Including the replacement of wearing parts and providing typical spare parts, the total operating cost is about $4-8 per hour. This allows the manufacturer to provide remote service.

In view of the above factors, the economic benefits of laser cleaning technology are very significant.

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