A novel percussiondrill relates to a percussiondrill, in particular to the percussiondrill with the function of measuring the hardness.
新型冲击钻涉及一种冲击钻,特别涉及一种具有硬度测量功能的冲击钻。
2
According to the structure and operating principle of the JSL-30 drill rig, a drill parameter tester was developed especially for percussiondrill.
结合JSL - 30型钻机结构和工作原理,研制了适用于振动条件下的钻进参数检测系统。
3
And also the author introduces the characteristics and application benefits of the new chain-type percussion drilling, and analyzes the popularization and application prospect of the drill.