NZG-31 rail drilling machine is compact in
structure, and it is the lightest drilling
machine in China at present. The rail
clamping device has self-locking function,
accurate positioning and high drilling accuracy.
The n-tailed hollow drill bit can be used to
clamp the special twist drill with n-tailed shank
under 13.5 according to the needs. It has the
function of automatic water supply when drilling.
It is a necessary tool for maintenance, rush
repair and overhaul operation of Public Works
Department.
Advantage
1. The water supply at the back of the main shaft
is adopted to prevent the cooling water from
entering the bearing and reducer, so as to
improve the service life of the equipment. 2.
When drilling, the rotary resistance is reduced
and the drilling torque is increased. 3. The
drilling time is shortened and the production
efficiency is improved.