The manual drilling machine comprises a manual transmission mechanism, an axial feeding mechanism, a guiding mechanism and a gap adjusting mechanism. The manual transmission mechanism is composed of a main shaft 5, a wrench 2 connected to the upper end portion of the main shaft 5, and a lower end portion of the main shaft 5. The drill bit 12 and the drill 13 are formed; the axial feed mechanism is composed of a hand wheel 16, a worm 17, a worm wheel 8, a nut 6, and a screw rod 10; the guide mechanism is engaged with the lower end of the guide rod 7 and the nut 6 by the upper end and the screw rod 10 The connected guard box 9 constitutes a gap adjusting mechanism composed of an adjusting nut 3 connected to the main shaft 5 above the nut 6, and two flat bearings 4 provided on both sides of the upper end of the nut 6. The product has good sealing performance, stable work, low labor intensity and can be used in one machine. It can be used as a device for transporting liquid or gas pipelines without stopping its conveying work for pressure drilling to install branch pipes.
Technical parameters of automatic drilling machine: Technical items Technical parameters Processing materials Various stainless steel, metal, copper and other metal materials processing accuracy ±0.01mm free-speed speed 500mm / s processing product size 2-40mm control system six-axis linkage control system Voltage 220V Power 350W Frequency 50HZ Air pressure 6-8kg/cm2 Grounding <4Ω Dimensions 1600mm*700mm*1300mm(L*W*H)
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