Details

Autor(en) / Beteiligte

• Yang, Chunmei
• Lu, Yao
• Ma, Yan
• Ren, Changqing
• Bai, Yan
• Cao, Fangdi

Titel

Theoretical and Experimental Study on the Cutting of Wood by Nanosecond Pulse Laser

Ist Teil von

• Linye kexue (1979), 2017-09 (9)

Ort / Verlag

Beijing: Chinese Society of Forestry

Erscheinungsjahr

2017

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• 【Objective】 In this paper,based on the qualitative analysis of the formation process of micro fiber,the cutting theory of micron wood fiber processed by nanosecond laser processing was presented in the light of the principle of energy saving and consumption reduction.Through the experimental study of cell wall cracking on the surface of micro fiber,the power consumed by the cell wall was obtained.【Method】 Scanning electron microscopy （SEM） method was used to study the deformation of burning.Based on laser heating and cutting,along the cell texture heating the wood tissue fluid,the tissue fluid within cells was gasificated and the cell expanded rapidly,internal pressure soared,leading to cell wall burst,then obtained the burr shaped fiber.At last,the micro/nano filaments were cut along the wood grain direction by laser cutting head.Through the analysis of power consumption of fiber processing,a series of modern analysis methods consisting of cytology,ultra precision machining theory,fiber and so on were applie