The maintenance cost of the non-stretching cold cutting bag-making machine is generally at a medium to low level, far lower than that of the same type of heat-cutting bag-making machine or imported equipment
一The cost of replacing vulnerable parts
This type of machine has few core vulnerable parts, a long service life, and a low cost for single replacement.
| Component | Purpose | Service life |
| Cold cutting knife (tungsten steel/sharp steel) | Cut the film and determine the quality of the cut | It can be used normally for 8,000 to 15,000 hours |
| Rubber roller/feeding roller | Convey the film to prevent slipping | 1 to 3 years |
| Oil seal/bearing | Lubrication and sealing of the transmission system | 1 to 2 years |
| Photoelectric eye/sensor | Color calibration positioning and counting | 2 to 3 years |
1.The lifespan of cold cutting knives is a major advantage of this type of machine. They do not need to be replaced as frequently as hot cutting knives, nor do they have to endure the wear and tear caused by high temperatures, thus saving a considerable amount of money on consumables.
2.Based on an 8-hour production per day, the cold cutting knife can last for 2 to 3 years, and the rubber rollers and other components can also last for more than 1 year with normal maintenance.
二.Daily maintenance costs
1.Lubrication and cleaning: On a daily basis, only lubricating oil needs to be added regularly (once a month), and the knife assembly and guide rollers need to be cleaned. There are almost no additional costs, mainly labor costs.
2.Regular calibration: Calibrate the knife assembly, tension and photoelectric positioning every 3 to 6 months. You can do it yourself or ask the manufacturer to come to your place. The cost is generally several hundred yuan per time.
三.The key factors influencing maintenance costs
1.Equipment quality: Machines from major brands (such as those with servo control) feature high precision of parts, good stability, low failure rate, and maintenance costs that are 30% to 50% lower than those of no-name brands.
2.Material compatibility: Processing thick films, high-toughness films or recycled materials containing impurities will accelerate the wear of the knife group and rubber rollers, and the cost will increase by 10% to 20%.
3.Operation and Maintenance
Regular cleaning of the knife assembly and keeping the machine dry can significantly extend the service life of the cold cutting knife.
Avoiding the machine from operating under overload for a long time can reduce the wear and tear of the motor and transmission components.
4.Whether there is professional after-sales service: When purchasing, choose a manufacturer with a complete after-sales service system. The subsequent repair parts will be cheaper, and the on-site service will be more transparent, avoiding being overcharged by third-party repair.
