-Product name: CNC intelligent boring and welding integrated machine -Execution standard: QZQ0574-2021 -Product model: ZQ-SK50 -System protection mode: voltage overload protection -System program: Default clockwise rotation -Product applicable: boring, inner round supplementary welding -Control mode: manual and automatic -Feeding speed: CVT -Main motor power: 2.3 Kw -Voltage: 220V/50HZ -Travel motor power: 400W -Host speed: 50 ~ 220/min -Step moment: 15 N.m -Travel rack: 300mm(custom length) -Boring diameter: 40 ~ 160mm(custom knife rack machining φ350) -Maximum knife size on one side: 8mm -Processing hole roundness: ≤0. 02 mm -Surface finish: Ra3.2 -Vertical welding and jump welding: at any length or position -Weldhole diameter 40 ~300mm