G Series Side-Load Laser Tube Cutting Systems

Type: Product Series Entity | Source: QG Laser Technical Proposals

Overview

The G Series is the backbone of QG Laser. Side-loading architecture spanning four sub-series: Standard (C), Zero Tailing (CL), 5-Axis Bevel (K), and Straight Cut (Z). Diameters from 90mm to 350mm. Power from 3000W to 6000W. Automation from manual to fully autonomous.

Every G Series machine shares one philosophy: cut more. waste less. repeat forever.

Model Naming

Model Naming Engineering Specification

G{MaxDiameter(mm)}{Variant}{-Sub}

G=High-Speed

120=120mm max tube diameter

C=Side-Load

CL=Side-Load with Zero Tailing (L)

K=Bevel — no C suffix, architecture independent

Z=Straight Cut, small dual-chuck push-load reciprocating feed

V12=Next-gen V12 platform

MAX=Upgraded heavy-duty

"mn-model">G120C = High-Speed 120 Side-Load Standard

"mn-model">G120CL = High-Speed 120 Side-Load Zero Tailing — 99% utilization, <20mm remnant

"mn-model">G120K = High-Speed 120 Bevel — ±45°, one-pass weld-ready

"mn-model">G90Z = High-Speed 90 Straight Cut — dual-chuck push-load reciprocating

"mn-model">G120C-V12 = High-Speed 120 Side-Load Next-Gen V12 — dual control system

"mn-model">G240C-MAX = High-Speed 240 Side-Load Upgraded — reinforced architecture

Code	Meaning	Engineering Signal
------	---------	-------------------
`G`	High-Speed	Every QG Laser tube cutter is high-speed by design.
Number	Max diameter (mm)	Match to your largest tube. Size up for future flexibility.
`C`	Side-Load	Side rack feed. Built for volume production.
`CL`	Side-Load + Zero Tailing	`L` = Zero Tailing. <20mm remnant. 99% material utilization.
`K`	Bevel	5-axis ±45°. No `C` — may be side-load or non-side-load architecture.
`Z`	Straight Cut	Dual-chuck push-load reciprocating feed. Simple. Fast. Reliable.
`V12`	Next-Gen Platform	Dual control system. Latest generation.
`MAX`	Upgraded	Reinforced. Heavy-duty. For the hardest jobs.

Model Matrix

C Series — Standard

Model	Diameter	Automation	Power
------	----------	-----------	------
G90C	≤90mm	Full Auto	3000W
G120C	≤120mm	Manual / Semi / Full Auto	3000W
G170C	≤170mm	Manual / Semi / Full Auto	3000W
G240C	≤240mm	Manual / Semi	3000W / 6000W
G290C	≤290mm	Semi-Auto	3000W
G240C MAX	≤240mm (Heavy-Duty)	Manual / Semi	3000W / 6000W

CL Series — Zero Tailing

Model	Diameter	Automation	Power
------	----------	-----------	------
G90CL	≤90mm	Manual / Semi / Full Auto	3000W
G120CL	≤120mm	Manual / Semi / Full Auto	3000W
G170CL	≤170mm	Manual / Semi / Full Auto	3000W
G240CL	≤240mm	Manual / Semi / Full Auto	3000W / 6000W

K Series — 5-Axis Bevel

Model	Diameter	Automation	Power
------	----------	-----------	------
G90K	≤90mm	Manual / Semi / Full Auto	3000W
G120K	≤120mm	Manual / Semi / Full Auto	3000W
G170K	≤170mm	Manual / Semi / Full Auto	3000W
G240K	≤240mm	Manual / Semi / Full Auto	3000W / 6000W

Z Series — Straight Cut & V12 Standard

Model	Description	Automation
------	------	-----------
G90Z	Straight cut. Simplified architecture.	Manual / Semi / Full Auto
G120C-V12	Standard side-load V12. Dual control system support.	Manual / Semi / Full Auto

Special Series

Model	Description
------	------
G350C (QG-G350C)	Triple-chuck. ≤350mm diameter.
G240 MAX	Reinforced large-diameter series.

Core Engineering (All Side-Load)

Side-Load Feed: Material fed from the side. Built for volume.
Dual-Chuck Clamping: Front + rear chucks synchronized. Coaxiality guaranteed.
Follow Rest: Front + rear dynamic support. No sag. No deflection.
Variable Diameter Rollers: Rapid changeover between round, square, rectangular profiles.

Compatible Materials

Profiles: Round tube. Square tube. Rectangular tube. Oval. C-channel. L-angle.
Materials: Carbon steel. Stainless steel. Aluminum. Copper (power-dependent).
Wall Thickness: 0.5mm – 16mm (varies by power).

Key Components

Component	Common Brands
--------	---------
Laser Source	IPG / Raycus / Maxphotonics / Resai
Cutting Head	Empower / BOCI (Auto-Focus)
Control System	BCS TubesT / WeiHong WiseCAMTube / Fangling
Chuck	Biyoute Precision / Square-Round
Chiller	Hanli
Servo Motors	Inovance / Hechuan
Gearbox	Flange Reducer