Avancerad sökning
Hittade 2 avhandlingar som matchar ovanstående sökkriterier.
1. Influence of springy impact interface and curved drill rods on energy transfer in percussive rock drilling
Sammanfattning : The influence of springy impact interface and of curved drill rods on energy transfer in percussive rock drilling was studied. Analytical models for pneumatic and hydraulic rock drills were introduced, in which the springy piston-rod impact interface was taken into account. LÄS MER
2. Modelling of percussive system of rock drills
Sammanfattning : .... LÄS MER
Resultatsidor:
1