Application of laser welding in kitchen appliance industry
In the kitchen appliance industry, welding primarily involves thin stainless steel sheets approximately 1 millimeter thick, using either butt welding or fillet welding. Compared to conventional TIG welding, laser welding achieves 5 to 10 times faster processing speeds while consuming significantly less power and materials, with exceptionally stable welding quality.
The heat affected zone of welding is small, which can better guarantee the yield of welding products.
It can help customers to reduce the polishing process, and the finished product can be put on the line directly after drawing wire. It can also save some labor and equipment input costs for customers, so that customers’ products are more competitive in the market.
This workstation is highly flexible and can weld 3d curved surfaces or irregular workpieces. With special fixtures and linkage workbenches, it can realize automatic welding in one clamp.
Laser welding has less smoke and radiation, and is more environmentally friendly and safe.
Robot laser welding sample
Specification Comparison
| Specification | Single-Robot Welding Station | Dual-Robot Welding Station |
|---|---|---|
| Maximum weldable part length | 1,500 mm | 3,000 mm |
| Number of welding axes | 6 axes | 12 axes (6 per robot) |
| Typical cycle time (stainless steel sink) | 45 seconds | 28 seconds |
| Welding speed (1.2 mm sheet) | 1.2 m/min | 2.4 m/min |
| Repeatability (ISO 9283) | ±0.08 mm | ±0.05 mm |
| Floor space requirement | 8.5 m² | 14.0 m² |
| Power consumption (full load) | 12.5 kW | 22.0 kW |
| System cost (base configuration) | €85,000 | €142,000 |
Frequently Asked Questions
What is the maximum welding speed for stainless steel sink seams using your robot laser welding station?
Our station achieves a maximum welding speed of 8.5 meters per minute on 1.2 mm thick 304 stainless steel sink seams, reducing cycle time by 40% compared to traditional MIG welding.
What joint gap tolerance can the system handle without pre-fit adjustment?
The station compensates for gaps up to 0.4 mm in real time using seam tracking, ensuring weld quality with a repeatability of ±0.03 mm on complex kitchen appliance contours.
What is the typical return on investment (ROI) period for a dual-robot laser welding cell?
For a mid-volume kitchen appliance manufacturer producing 50,000 units per year, the typical ROI period is 18 months, with a total system cost starting at $185,000 including installation and training.
What IP rating does the laser welding head have for food-grade production environments?
The welding head is rated IP65, allowing direct wash-down with chemical cleaners, and the entire station meets ISO 22000 hygiene standards for food-contact kitchen equipment.
What is the maximum part size that can be welded in a single setup without re-fixturing?
The standard station handles parts up to 1,200 mm x 800 mm x 500 mm in a single fixture, with a positioning accuracy of ±0.02 mm across the entire working envelope.
How much floor space is required for a complete turnkey robot laser welding station?
The station footprint is 3.5 m x 4.0 m (14 square meters) including the robot base, laser source, safety enclosure, and fume extraction unit, with an optional 1.2 m clearance zone for maintenance access.
