SWT 150 Series by Sisma provides reliable laser welding for medium to large-scale industrial processes. Available with YAG or fiber laser sources, these systems offer high peak power, adjustable pulse duration, and micron-level spot control. Compact yet robust, the machines are capable of handling heavy workpieces while maintaining consistent welding quality, even in automated workflows.

Sisma Laser Welding SWT 150 Series

The Sisma SWT 150 Series delivers precise, high-performance laser welding with multiple source options including YAG flash lamp and fiber lasers. With laser spot diameters from 0.1–2 mm, X-Y-Z axis strokes optimized for flexibility, and programmable pulse settings, the system achieves accurate welding on sensitive materials. Built for durability and ease of integration, SWT 150 ensures high productivity with minimal maintenance.

Features

High Precision Welding

Achieves accurate welds on delicate and heat-sensitive components.

Versatile Laser Options

Available with YAG flash lamp or fiber lasers, with power from 100 W to 450 W.

Adjustable Pulse & Spot Control

Programmable pulse duration and laser spot diameters from 0.1–2 mm.

Flexible XYZ Motion

X-Y axes stroke 300 × 200 mm, Z-axis 320 mm, with speeds up to 25 mm/s.

Compact & Robust Design

Durable, easy to integrate into automated production lines with minimal maintenance.

Overview

Parameter	SWT 100	SWT 150	SWT 150F	SWT 300F	SWT 450F
Source type	YAG (flash lamp)	YAG (flash lamp)	Fiber	Fiber	Fiber
Wavelength	1064 nm	1064 nm	1070 nm	1070 nm	1070 nm
Average laser power	100 W	150 W	150 W	300 W	450 W
Max peak power	9 kW	10.5 kW	1.5 kW	3 kW	4.5 kW
Max pulse energy	70 J	75 J	15 J	30 J	45 J
Pulse duration	0.3–25 ms	0.3–25 ms	0.3 ms–10 ms / CW	0.3 ms–10 ms / CW	0.3 ms–10 ms / CW
Laser spot diameter	0.3–2 mm	0.3–2 mm	0.1–2 mm	0.1–2 mm	0.1–2 mm
X-Y axes stroke	300 × 200 mm	300 × 200 mm	300 × 200 mm	300 × 200 mm	300 × 200 mm
Z axis stroke	320 mm	320 mm	320 mm	320 mm	320 mm
Axes speed	0.1–25 mm/s	0.1–25 mm/s	0.1–25 mm/s	0.1–25 mm/s	0.1–25 mm/s
Max load weight	120 kg	120 kg	120 kg	120 kg	120 kg
Max piece size	400 × 400 × h 320 mm	400 × 400 × h 320 mm	400 × 400 × h 320 mm	400 × 400 × h 320 mm	400 × 400 × h 320 mm
Dimensions	850 × 1200 × h 1500 mm	850 × 1200 × h 1500 mm	850 × 1200 × h 1500 mm	850 × 1200 × h 1500 mm	850 × 1200 × h 1500 mm
Weight	530 kg (cl. 4) / 560 kg (cl.1)	530 kg (cl.4) / 560 kg (cl.1)	530 kg (cl.4) / 560 kg (cl.1)	530 kg (cl.4) / 560 kg (cl.1)	530 kg (cl.4) / 560 kg (cl.1)
Power supply	380V 3ph – 3.5 kW	380V 3ph – 4.5 kW	230V 1ph – 1.6 kW	230V 1ph – 2.2 kW	230V 1ph – 2.8 kW