
Ultrasonic and spray cleaning systems, mass finishing and sandblasting systems as well as contract cleaning and laser marking

LAS Oberflächentechnik AG
Ingenbohl/Brunnen (Seewenstrasse 28, 6440) · SwitzerlandNew on Amplifa
About us
LAS Oberflächentechnik AG is an owner-managed family company headquartered in Ingenbohl/Brunnen in the canton of Schwyz. The company sells ultrasonic and spray cleaning systems, mass finishing systems, sandblasting systems as well as cleaning agents, process media, blasting media and water treatment systems. Services offered include parts cleaning (ultrasonic and spray cleaning), mass finishing (deburring, polishing, high-gloss finishing), sandblasting (derusting, matting, paint stripping), laser marking on stainless steel, and the manufacture of foam inserts and case sets from a quantity of 1. In addition to its LASSONIC sales brand, LAS distributes ultrasonic components from Martin Walter Ultraschalltechnik AG as well as sandblasting and mass finishing technology from Norblast and Vibromak. Customers come from mechanical engineering, additive manufacturing (metal 3D printing), automotive as well as tool and fixture making, including UNLIMITAL AG, Mercedes-Benz Schweiz AG and SEPO AG.
- Site
- Ingenbohl/Brunnen
- Processes
- Parts cleaning (ultrasonic cleaning), Spray cleaning, Mass finishing (deburring, polishing, high-gloss finishing), Sandblasting (derusting, matting, paint stripping), Laser marking, Manufacture of foam inserts (incl. cases/boxes), Ultrasonic cleaning (contract work), Mass finishing (contract work)
- Materials
- Stainless steel V4A, Stainless steel AISI 304, Aluminium, Plastic (foam), Ultrasonic cleaning, Spray cleaning, Mass finishing, Sandblasting
- Certificates
- ISO 9001
- Industries
- Surface technology, Mechanical engineering, Additive manufacturing (metal 3D printing), Automotive, Tool and fixture making
- 01
Consulting and concept design of the cleaning/surface process
- 02
Contract cleaning (ultrasonic, spray cleaning)
- 03
Mass finishing, sandblasting, laser marking
- 04
Manufacture of foam inserts and case sets
- 05
Sales of systems, cleaning agents, process media and blasting media
Materials & Processes
Ultrasonic cleaning
Removes machining residues from metal parts, suitable for bulk goods and sensitive individual parts.
Spray cleaning
Spray and immersion processes for degreasing and chip removal of industrial metal parts.
Mass finishing
Deburring, polishing and high-gloss finishing of metal and plastic parts.
Sandblasting
Derusting, matting and paint stripping of metal and stainless steel parts.
Laser marking
Permanent marking, especially on stainless steel.
Stainless steel V4A
Material of the ultrasonic oscillators and system components for corrosive environments.
Stainless steel AISI 304
Construction material of the spray washing systems and high-pressure washing stations.
Aluminium
Machined material, among others for boxes with foam inserts for special tools.
Plastic (foam)
Material for custom-made foam inserts in cases and boxes.
Locations
Ingenbohl/Brunnen
CHHeadquarters, workshop (contract manufacturing) and sales
- Lot size
- from a quantity of 1
- Materials
- Metal, stainless steel, aluminium, plastic
- Norblast SD9B rotary basket sandblasting system
- Norblast SP12 pressure blasting system
- Round vibrators, trough vibrators and centrifugal finishing systems (Vibromak)
- VKK round dryer and drying centrifuge
- LASSONIC ultrasonic cleaning systems (USW 140L, USW 250L, S3T, MWTR, LINEAR)
- Spray washing systems (TCL tunnel, CR/CRJ, RST, IFP, MRO, ASF, AFJ 800, ELJ 650)
- Manual high-pressure parts washing system JETMATIC up to 100 bar
Parts & Products


Inside the production








Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Parts cleaning (ultrasonic cleaning)Surface | – | – | – | – | Metal parts |
| Spray cleaningSurface | – | – | – | – | – |
| Mass finishing (deburring, polishing, high-gloss finishing)Surface | – | – | – | – | Metal, Plastic |
| Sandblasting (derusting, matting, paint stripping)Surface | – | – | – | – | Metal, Stainless steel |
| Laser markingSurface | – | – | – | – | Stainless steel |
| Manufacture of foam inserts (incl. cases/boxes)Assembly | – | – | – | from a quantity of 1 | Plastic |
27 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Rotary basket sandblasting system | Norblast SD9B | – | Cabin L900 x W610 x H620 mm | – | Ingenbohl/Brunnen, Switzerland |
| Pressure blasting system | Norblast SP12 | – | Cabin L1150 x W950 x H700 mm; pressure tank 7 l | – | Ingenbohl/Brunnen, Switzerland |
| Rim polishing system (mass finishing machine) | Vibromak VKJ 140/200 | – | Rims up to 24 inches in diameter; VKJ 140: 141 l usable volume, VKJ 200: 141 l | – | Ingenbohl/Brunnen, Switzerland |
| Centrifugal finishing system (mass finishing machine) | Vibromak VKS (20/50/100/230) | – | VKS 100: 102 l gross volume, 400 kg, gap dimension approx. 2 mm (used VKS 100) | 2019 (gebr | Ingenbohl/Brunnen, Switzerland |
| Round vibrator (mass finishing machine) | Vibromak VKUE/VKU/VKO | – | Working volume 15 to 1600 liters | – | Ingenbohl/Brunnen, Switzerland |
| Trough vibrator (mass finishing machine) | Vibromak | – | – | – | Ingenbohl/Brunnen, Switzerland |
| Round dryer (mass finishing machine) | Vibromak VKK | – | 70–1190 l usable volume depending on size | – | Ingenbohl/Brunnen, Switzerland |
| Drying centrifuge | – | – | – | – | Ingenbohl/Brunnen, Switzerland |
| Ultrasonic cleaning system | LASSONIC USW 140L | – | – | – | Ingenbohl/Brunnen, Switzerland |
| Ultrasonic cleaning system | LASSONIC USW 250L | – | for large and heavy workpieces | – | Ingenbohl/Brunnen, Switzerland |
| Ultrasonic cleaning system | LASSONIC S3T | – | – | – | Ingenbohl/Brunnen, Switzerland |
| Mobile ultrasonic cleaning system | LASSONIC MWTR | – | – | – | Ingenbohl/Brunnen, Switzerland |
| Ultrasonic linear system | LASSONIC LINEAR | – | – | – | Ingenbohl/Brunnen, Switzerland |
| Ultrasonic oscillator | Martin Walter Ultraschalltechnik AG | – | – | – | Ingenbohl/Brunnen, Switzerland |
| Ultrasonic generator | Martin Walter Ultraschalltechnik AG | – | – | – | Ingenbohl/Brunnen, Switzerland |
| Ultrasonic benchtop unit | LASSONIC Benchtop unit | – | – | – | Ingenbohl/Brunnen, Switzerland |
| Continuous tunnel spray washing system with screw conveyor | TCL | – | Stainless steel AISI 304, single-/multi-stage, spray or immersion process | – | Ingenbohl/Brunnen, Switzerland |
| Combined spray washing system with motorized turntable | CRJ / CR / CR 2X | – | for heavy and medium-sized workpieces | – | Ingenbohl/Brunnen, Switzerland |
| Parts washing system with turntable, indexed washing in cycle operation | RST 1350-8P / RST 1500-10P | – | – | – | Ingenbohl/Brunnen, Switzerland |
| Immersion washing system with pneumatic lift basket | IFP | – | double-walled construction | – | Ingenbohl/Brunnen, Switzerland |
| Spray washing system combined automatic/manual | GEJ HP / GEJ 2X HP | – | GEJ 2X HP with double tank | – | Ingenbohl/Brunnen, Switzerland |
| Automatic small parts washing system with rotating drum | MRO / MRO 2X | – | Single tank or double tank | – | Ingenbohl/Brunnen, Switzerland |
| Spray washing cabinet with pull-out table | ASF / ASF 2X | – | Single tank or double tank | – | Ingenbohl/Brunnen, Switzerland |
| Combined parts washing system automatic/manual | AFJ 800 / ELJ 650 | – | AFJ 800 with high-pressure washing; ELJ 650 for small parts | – | Ingenbohl/Brunnen, Switzerland |
| Spray washing cabinet with removable turntable platform | GE / GE 2X | – | Single tank or double tank | – | Ingenbohl/Brunnen, Switzerland |
| Automatic spray washing system with motorized turntable | EL | – | Single tank, small and medium-sized workpieces | – | Ingenbohl/Brunnen, Switzerland |
| Manual high-pressure parts washing system | JETMATIC | – | up to 100 bar, stainless steel AISI 304 | – | Ingenbohl/Brunnen, Switzerland |
Additional services
Reference customers
Quality
LAS Oberflächentechnik AG is certified according to ISO 9001 (auditor: SWISO); the 2025 surveillance audit was successfully passed. Documented processes ensure consistent quality and reliable procedures.
| Evidence | Ingenbohl/Brunnen |
|---|---|
| ISO 9001 |
History
- 2024
ISO 9001 certification (2024 certificate available on the website)
- 2025
ISO 9001 surveillance audit successfully passed; relaunch of the website and webshop