Lieu : U.S.A
Le temps : In January, 2022.
Mine et projet : Mine de Bingham Canyon
Modèle d'appareil de forage DTH : DM45 HP & DML
Marteau DTH Modèle : Ame Drill QL60 quick hammer & World famous brand A QL60 shank hammer
Formation rocheuse : L'état des roches est très variable, allant des roches douces (peu abrasives) aux roches très dures et très abrasives.
Configurations des bits des boutons DTH : QL60 171mm, 10 gauge buttons x 18mm, 10 face buttons x 18mm, two flushing holes.
 Nouveau bit |  Après 18 fois l'affinage |
Our three pieces of QL60 171mm button bits had been tested from the 7th to 20th of January, as below, it was the summary for the drilling test.
As below, it was our # 1 bit detailed drilling record from the site.
Remarques :
- Red box: with Ame Drill brand QL60 quick hammer, 0.68 m/Min average speed;
- Yellow box: with world famous brand A QL60 shank hammer, 0.55 m/Min average speed.
As below, it was the summary from the site manager about Ame Drill DTH button bits:
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English 
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