line boring - how to make excavators bucket hole repai boring and welding

In this video we use a portable line boring and bore welding machine to repair a excavator damage hole . with auto welding .Our factory website : www.spower-portablelineboring....
What is the best portable line boring machine?
Modular design, it can be easy assembled and disassembled on site ,minimum effect by the site location and space. Maximum piece weigh 27KG ,it can be operated by one person.
Boring and welding two function combine into one machine, client can easy handle and switch boring and welding mode in one machine.
Protection system, install intelligent power supply technology, when the voltage fluctuates, control box can make the output stabilized. And If there is over voltage/current/overload, protection will be activated to switch off machine.
Remote control, it can operate by remote control operation.

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