How it works

For wet-chemical parts cleaning, TeSe relies on machine technology from Karl Roll — for aqueous cleaners as well as for solvents (hydrocarbons, modified alcohols). Which medium and machine type is used depends on the part, the contamination and the batch size: from single- to multi-chamber immersion systems, from rotary-indexing to continuous spray processes.

One key to reliable results is the cyclic pressure-change process, which Roll uses in both aqueous and solvent-based machines: rapidly alternating pressure and vacuum cycles drive the cleaning medium into and out of blind holes, capillaries and complex geometries — and then support complete drying.

Karl Roll RCTS cleaning system in a production facility — Karl Roll RCTS cleaning system (example). © Karl Roll

Aqueous, solvent — or both

Where the contamination calls for both approaches, the RCTS with TwinTec technology combines two worlds in one hybrid system: solvent and aqueous cleaning media run in the same machine — each contributing the strengths of its process chemistry. Following the principle of “like dissolves like”, solvents remove non-polar organic contamination such as oils and greases, while aqueous media take care of polar contamination, emulsions, salts and particles.

Benefits

One partner for aqueous, solvent-based and hybrid cleaning (Karl Roll)
The cyclic pressure-change process also cleans blind holes, capillaries and complex geometries
TwinTec hybrid: solvent and aqueous media combinable in one machine
Result matched to part, contamination and batch size
Assisted, complete drying as part of the process
Scalable from single-chamber to multi-chamber and continuous systems

Typical applications

Removing oils, greases, emulsions, chips, salts and particles after machining
Parts with blind holes, capillaries and complex geometries
Pre-, intermediate and final cleaning in precision and series production
Fields of application include precision manufacturing, automotive, medical technology and electronics

You will find matching systems and cleaning chemistry under Cleaning systems and Chemistry.

Test the process at TeSe

Whether wet-chemical cleaning is the right process for your part and contamination is something we determine in trials: 1–2 hours of testing free of charge. In-depth feasibility studies: CHF 1’200 per day, 50% creditable towards a machine purchase.