It adapts quick disassembing handle at the upper part of this machine.The handle connects the machine as the akk and the one.Its upper cover is seal fully.Therefore it prevent from the dust flying caused by vibration during the peiod of sieving.The vibration motor is installed under the sieve.Meanwhile it adapts spring to reduce vibration.So the machine will operate at stable state.The stand is adjusted,so the inclined angle of sieve that is sieving can be adjustedc.The best sieving effect can be got.

　　FS series square sieve is new generation sieving equipment researched and developed and manufactured by our factory in 1999.Because of its unique characteristics,i.e.high effective,energy saving, lownoise and so on. 1～4 layer of sieve can be installed in accordance with the requirements of customers.
　　This machine has many advantages listed below:simple in structure,convenient in operation,compact,large amount to be treated,low in noise,corrosion resistant,low trouble,convenient in assembling and disassembling,no dead corner in cleaning,no dust and so on.