Woodworking
Woodworking
A planer is one of the largest and most important investments. Unforeseen interruptions in production due to fire are often very costly. Planers can generate large amounts of inflammable material as they are high speed machines with many moving parts. A planer can generate dangerous ignition sources in the form of sparks and hot particles. Accumulation of shavings or oil can cause violent fires. The situation is aggravated by the high air flow within the machine. Automation of the planing process as well as general conditions in the production areas dictate that the machine is often installed remote from operators stations. As a consequence, fires can go undetected for some time.
PROTECTION OF HIGH SPEED PLANER
Planning at high speeds leads to an increase in friction heat, making the process vulnerable to fire. Firefly’s Quick Suppression System PlanerGuard™ solution for high speed planers focuses on detecting ignition sources at an early stage. Non-invasive water mist suppression is used to quickly and effectively suppress the fire with the aim to avoid costly downtime and damage to the planer.
PROTECTION OF OPEN PLANER
In many cases, large amounts of shavings are accumulated in and around the open planer. When ignited, these shavings can cause rapid fires resulting in considerable damage. Firefly’s PlanerGuard™ solution for open planers monitors the machine by using flame detectors installed local to the area. Non-invasive water mist suppression aims at quick and effective suppression of the fire, even in the closed areas of an open planer.
PROTECTION OF MOULDER
A moulder is often installed in a production area adjacent to other machinery. The consequences of a fire in a moulder can therefore be extensive and damage surrounding equipment.
Firefly’s PlanerGuardTM system detects sparks or incipient fire at a very early stage. The PlanerGuardTM system can be designed in a cost-efficient way due to the compact design of the moulder. Water mist will suppress quickly and efficiently, even in these closed areas. Water mist also ensures that your moulder isn’t damaged by water. The risk for fire caused by frictional heat or problems at the feeding rolls isn’t as significant for moulders compared to other types of machines as speeds are relatively low. Our experience shows that the most common causes of fire in a moulder are due to overheating of motors and driving mechanisms, as well as spark generation at the machining heads.
The trimming process is one of the final processes implemented at the saw mill and involves removing low-quality parts and cutting the timber into its final length. The rapid spinning of the circular saws used for trimming often produces sparks. These sparks can cause a local fire inside the blades’ housing that then can advance into the dust extraction system.
INTELLIGENT FIRE PROTECTION It is important to detect and suppress a fire and to stop the trim saw, as quickly as possible. This is why a Firefly safety system always consists of three main integrated functionalities: detection, suppression and control. By integrating different techniques into one solution, Firefly provides increased safety for the protection of trim saws.
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