Experimental Study on the Effect of Water Jet Cutting Parameters on Maize Stalks

Author:

Cui Dandan12ORCID,Li Hongwen12,He Jin1ORCID,Wang Qingjie1,Lu Caiyun1ORCID,Gao Zhen1,Tong Zhenwei1,Zhong Guangyuan1

Affiliation:

1. College of Engineering, China Agricultural University, Beijing 100083, China

2. Scientific Observing and Experiment Station of Arable Land Conservation (North Hebei), Ministry of Agricultural and Rural Affairs, Beijing 100083, China

Abstract

Cutting maize stalks using water jet cutting technology is a new method of stalk management before no-tillage sowing. Aiming to cut off the maize stalks (stems and stem nodes), we conducted an all-factor cutting experiment on stems and single-factor cutting experiments on stem nodes under different cutting parameters. The results showed that the cutoff ratio of the stems and stem nodes increased with water jet pressure and decreased with target distance and traverse speed. For cutting off the stems with a maximum traverse speed, the parameters were 120 MPa water jet pressure, 10 mm target distance, and 1371 mm/min traverse speed. When the target distance was 30 mm, the traverse speed was 4000 mm/min, and the water jet pressure was greater than or equal to 160 MPa, the cutoff ratio of stem nodes was 100%. Therefore, the water jet pressure ≥ 160 MPa, the target distance ≤ 10 mm, and the traverse speed ≤ 1371 mm/min were needed to cut off both. Moreover, bottom burrs, surface stripes, and cutting residue might appear due to the divergent and lagging characteristics of water jets. The results could provide basic data and technical support for cutting maize stalks with water jets.

Funder

China Agriculture Research System of MOF and MARA

2115 Talent Development Program of China Agricultural University and Chinese Universities Scientific Fund

Publisher

MDPI AG

Subject

Plant Science,Agronomy and Crop Science,Food Science

Reference26 articles.

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