The developed materials through the sand slurry abrasion test have been successfully put into practice in the shell of dredging pump and the cutter piece.
研究证明，该试验机能模拟疏浚工况，已成功应用在挖泥船泥泵壳和绞刀片耐磨材料的磨损试验上。
2
Cutter-suction dredger looses the soil to mix with the water by cutter, and pumps the mud by dredge pump.
绞吸挖泥船是利用绞刀松动泥土，使之与水混合，而后用泥泵将泥浆泵出的挖泥船。
3
Based on the analysis of cutting chatter, the cutter body structure and parameters of special cutter for machining gear pump bodies are optimum designed.