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LITTLE KNOWLEDGE THAT EIGHT-LEVEL CARPENTER MUST KNOW
A good carpenter must have a handy knife, and every ancient treasure sword must have a hero who is good at using it. No matter how good the knife is, you can't just cut it, and even the most powerful martial arts are afraid of the kitchen knife. Then the same is true for the saw blades like Heng. Although the blades like Heng are sharp and durable, durable and durable, and the beautiful saws are beautiful, no one would think horses are far away. Today, Xiang Heng shares with you a trick that can greatly extend the life of the saw blade!
Xiangheng carbide saw blade
According to the characteristics of the material being processed and the different requirements for sawing quality, the correct selection of the feed speed is also a factor that affects the cutting quality. Too high a feed speed hinders the normal operation of the saw blade, and a too low feed speed is easy to cause saw blade vibration , Resulting in saw blade chipping. There is a certain relationship between the feed rate and the feed per tooth, the blade speed, and the number of blade teeth, see the following formula:
U = UZ × Z × n / 1036
U——feed speed (m / min) UZ ——feed
per tooth (mm)
Z——number of saw blade teeth
n——Speed of saw blade (r / min)
Among them, the feed rate per tooth is related to the characteristics of the processed material, sawing quality, tooth pitch, etc., and is generally between 0.02 and 0.25 mm. The following are the empirical values of feed per tooth for several common materials:
Wood horizontal sawing 0.1 ~ 0.2mm
MDF, particleboard, plywood 0.05 ~ 0.25mm
hard wood, hard fiberboard, bamboo plywood 0.03 ~ 0.08mm
wood veneer, plastic board 0.03 ~ 0.1mm
melamine veneer 0.03 ~ 0.06mm Example: Known: The feed per tooth UZ is taken as mm, the blade speed n = 6000r / min, the number of blade teeth Z = 48, then U = 0.18 × 48 × 6000/103 = 51.84m / min
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