Watch screws – a core competency for Laubscher
Laubscher covers the entire process chain for the in-house production of watch screws. Highest quality is thus multiplied. Process reliability is our top priority and ensures that every single one of the tens of millions of screws we are allowed to produce each year is precisely processed and durable. Over the years we have continuously expanded the range of parts and developed it further together with our customers.
Our in-house process chain includes:
Sale
Tools
Turning
Heat treatment
Vibratory finishing
Galvanic treatment
Polissage
Cleaning
Check
Counting + packing
Sale
- Technical advice and feasibility studies
- Changes, further developments, optimisations, etc.
Tools
- Planning
- Tools
- Raw material
- Test planning
- Production drawing
- Machine capacity
- Industrialisation
Turning
- Precision parts from ø 0.3mm and screws from a thread starting from S 0.40
- Conventional and CNC sliding headstock lathes/manufacturing processes
Heat treatment
- Hardening and annealing
- Various hardness testing methods (with process documentation on request)
Vibratory finishing
- Various programs for removing burrs and chips
- Different abrasives and emulsions
Galvanic treatment
- Various galvanic/chemical processes (especially sulfamate nickel plating)
- RoHS-compliant coatings
Polissage
- Polishing of screw heads/ends
- Separate cleaning system in the watch screw polissage
Cleaning
- Intermediate cleaning after hardening and vibratory finishing
- Degreasing/ultrasonic cleaning of the screws after decolletage
Check
- Dimensional and visual checks
- Various intermediate and final checks
Counting + packing
- Counting scales and different packaging
- Special bags under protective gas against corrosion