Pneumatic metering device has been increasingly widespread for the advantages of high
planting quality, low seed-injuring rate, strong adaptability to seeds and higher planting …

Vacuum-type pneumatic metering device has gradually replaced traditional mechanical
seeder and been widely used for corn precision planter in China because of its low damage …

Vacuum-type pneumatic metering device has gradually replaced traditional mechanical
seeder and been widely used for corn precision planter in China because of its low damage …

Aiming at the problems of airtightness reduction, vacuum pressure demand increase and
planting precision decline, which are caused by the friction between seed plate and sealing …

Precision planting is the advanced technology that sows seeds in the predetermined
position of soil accurately and quantitatively by precision planter. Precision metering device …

In view of the differences of the physical and mechanical properties between rapeseed and
wheat seed, a dual-purpose pneumatic precision metering device within the internal guiding …

On account of the decreasing of filling ability of hole at high operating speed caused miss-
seeding, even leaded to reduce production, mechanical precision seed-metering device …

Combined with the good filling performance of the inside-filling seed metering device, in this
study, one kind of combined nozzles was designed using the principle of gas cleaning of air …

Seeding absence caused by negative pressure drops is a major technical problem in
pneumatic precision metering device. A novel design of a soybean precision metering …

According to the present situation of the sowing effect of original inside-filling air-blowing
seed metering device for flat seeds is better than circles, the phenomenon of drag force …