Injection molding machine maintenance and fault cause analysis
Whether imported or domestic injection molding machine has the following characteristics:
1. Injection molding machine large investment in fixed assets, production scale, consumption of more raw materials, labor productivity, high production value large. Is a labor-efficient production organization.
2. Injection molding machine by mechanical, hydraulic, electrical, special auxiliary equipment, injection molding technology in accordance with the needs of organically combined high degree of automation, closely related to each other; injection molding machine in 3 straight Class 24h operation. If a component injection molding machine failure will result in downtime.
3, injection molding machine, though simple, less workers, but the injection molding machine management and maintenance of high technical content, a large workload.
So often to ensure the injection molding machine in good condition, we must strengthen the management of injection molding machines, and strictly control the fault injection molding machine. To achieve lower failure rates, reduced maintenance costs, extend the service life of purpose.
Fault injection molding machine, generally refers to the injection molding machine or system in use or reduce the loss of function of the event or phenomenon provisions. Injection molding machine Injection molding products to meet the enterprise requirements of the production process with the. Function of injection molding machine injection molding products embody its production activities in the existing value and the assurance of the injection molding (TodayHot) level. In the modern production of injection molding machine, injection molding machine as complicated structure, high degree of automation, hydraulic, electric and mechanical connection is very close, so injection molding machine failure, even a partial failure, will result in the injection molding machine shutdown . Injection molding machine failures directly affect the quantity and quality of products.
1, injection molding machine fault classification
Injection molding machine failures are diverse, from different angles and classify.
1. By fault state, can be divided into:
(1) gradual onset failure. Injection molding machine due to the gradual deterioration caused by the initial performance, the most injection molding machines are all the fault of such failure. Such failures and electrical control, hydraulic mechanical component products of wear and tear, corrosion, fatigue and creep processes are closely related.
(2) unexpected failure. Of various unfavorable factors, and accidental external influences arising from the interaction, this effect goes beyond the limits of injection molding machines can afford. For example: due to barrel into the iron overload caused by screw things appear broken; due to the break down of high-voltage series injection molding machine into the electronic board. Such failure is often sudden, without any sign of advance.
Sudden failure occurred in the injection molding machine to use multiple stages, often due to the design, manufacture, assembly, and defects such material, or operational errors caused by illegal operations.
2. According to the nature of failure are divided into:
(1) intermittent failure. Injection molding machine in the short term some of its features, debugging can resume a little repair, no replacement parts.
(2) permanent fault. Injection molding machine has been damaged in some parts need replacement or repair can be restored to use.
3. Influence by failure are divided into:
(1) complete failure. Lead to complete loss of function of injection molding machine. (HotTag)
(2) partial failure. Lead to some loss of function injection molding machine.
4. By failure causes are divided into:
(1) wear failure. As the injection molding machine failure caused by normal wear and tear.
(2) misuse of failure. As the operational errors, failures caused by improper maintenance.
(3) the inherent weakness of failure. Because of the design problems so that injection molding machine appears weak link in the normal use of failures.
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