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主要特點  The Main Features

●下鉆自動進給，上鉆手動進給 Lower drill-bit works automatically, upper drill-bit works manually

●鉆頭轉速多級可調 Drilling speed is adjusted by variable motor

●鉆孔深度行程油壓緩沖 Install hydraulic buffer in the end of lower-drill bit so drilled hole is not easy chipping

●工作臺可氣動升降 Working table can be pneumatically up and down

●裝上定位板可高效批量加工 Install positioning plate that can be fitted with efficient batch processing

主要技術參數  The Main Technical Parameters