Procedures Overview

Range of services

The range of services within the BWB Group is very comprehensive. Using our diagram, you can get an overview of which procedure and which process is carried out where.

Whatever you are after, ask your BWB customer advisor – we always have a solution for the right surface treatment, close at hand for you.

Sites
AR
AX
BX
CF
DD
NE
NW
RO
RS
SC
ST

Mechanical Pre-treatments

Grinding (E1) / Brushing (E2) / Grinding-Brushing (E4)          
Polishing (E3) / Grinding-Polishing (E5) (small pieces only)            
Blasting decorative            
Blasting strain hardening                  
Blasting detergent                  
Vibratory grinding                    
Legende:
AR = Altenrhein / AX= Grosshöchstetten / BX = Büren a. A. / CF = La Chaux-de-Fonds / DD = Dresden (D) / NE = Neer (NL) / NW = Niederwangen / RO = Braşov / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Chemical Pre-treatments

Alkaline degreasing (E0)  
Etching / Matt etching (E6)  
Etching of cast parts                  
Chemical polishing (E7)          
Electrochemical polishing                  
Legende:
AR = Altenrhein / AX= Grosshöchstetten / BX = Büren a. A. / CF = La Chaux-de-Fonds / DD = Dresden (D) / NE = Neer (NL) / NW = Niederwangen / RO = Braşov / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Electrolytic surface conversions

Anodising / Electrolytic oxidation      
Anodising to "British Standard" quality                
Anodising to "SSG Structural Glazing" quality                  
High-tech surface treatment Pralox                    
Hard anodising / hard electrolytic oxidation              
Chromic acid anodising                  
Tartaric acid anodising (TSA)                  
Ematal anodising                    
Hard ematal anodising                    
Anodising Bilatal                    
Adsorptive coloration          
Electrolytical coloration (Colinal / C0 + C35)              
Spectrocolor coloration (Permacolor)                  
Integral coloration (Permalux)                    
Electrolytic polishing                  
Sub-eloxal printing technology AloxPrint                    
Legende:
AR = Altenrhein / AX= Grosshöchstetten / BX = Büren a. A. / CF = La Chaux-de-Fonds / DD = Dresden (D) / NE = Neer (NL) / NW = Niederwangen / RO = Braşov / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Chemical surface conversions

Chromating              
RoHS-compliant chromating            
Acid passivation                
Phosphating                    
Black pickling of magnesium                    
Legende:
AR = Altenrhein / AX= Grosshöchstetten / BX = Büren a. A. / CF = La Chaux-de-Fonds / DD = Dresden (D) / NE = Neer (NL) / NW = Niederwangen / RO = Braşov / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Electrolytic and chemical metal precipitation

Chrome plating (satin, bright)                    
Copper plating                  
Nickel plating                  
Pure nickel (sulfamate)                    
Chemical nickel plating                  
Chemical gold plating                    
Tin plating                  
Zinc plating and passivating (Cri-VI process)                    
Zinc plating and passivating (process conformance to RoHS), blue                    
Cadmium plating                  
Silver plating                  
Thick film plating (Ni, Cu, Ag)                    
Lithographic forming                    
Galvanoplastic forming                    
Legende:
AR = Altenrhein / AX= Grosshöchstetten / BX = Büren a. A. / CF = La Chaux-de-Fonds / DD = Dresden (D) / NE = Neer (NL) / NW = Niederwangen / RO = Braşov / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Non-destructive testing

Crack detection (AITM 6-1001) AITM 6-1001                    
Legende:
AR = Altenrhein / AX= Grosshöchstetten / BX = Büren a. A. / CF = La Chaux-de-Fonds / DD = Dresden (D) / NE = Neer (NL) / NW = Niederwangen / RO = Braşov / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Surface post-treatments

Varnishing                
Teflon impregnation                
Sealing with dichromate (Cri-VI process)                  
Heat treatments in vacuum conditions                    
Heat treatments in airtight conditions                    
Anti-noise coatings                  
Foiling                
Legende:
AR = Altenrhein / AX= Grosshöchstetten / BX = Büren a. A. / CF = La Chaux-de-Fonds / DD = Dresden (D) / NE = Neer (NL) / NW = Niederwangen / RO = Braşov / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Services

CNC machining of aluminium                    
CNC milling of aluminium profiles                    
3D measurement                    
Bonding, assembly                    
Supplementary work in upstream or downstream process
Transport  
Part masking
Glass printing technology AloxPrint                      
Manufacturing of products out of stainless steel ropes                    
Brazing                    
Welding                    
Legende:
AR = Altenrhein / AX= Grosshöchstetten / BX = Büren a. A. / CF = La Chaux-de-Fonds / DD = Dresden (D) / NE = Neer (NL) / NW = Niederwangen / RO = Braşov / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Environmental protection

Chemical-physical waste water and waste treatment CPA                    
Legende:
AR = Altenrhein / AX= Grosshöchstetten / BX = Büren a. A. / CF = La Chaux-de-Fonds / DD = Dresden (D) / NE = Neer (NL) / NW = Niederwangen / RO = Braşov / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Quality standards

NADCAP AC 7108 (Chemical Processing)                
NADCAP AC 7117 (Surface Enhancement)                    
EN 9100              
ISO 9001
ISO 13485                    
ISO 14001    
ISO 50001                    
QUALANOD (quality seal)                
Legende:
AR = Altenrhein / AX= Grosshöchstetten / BX = Büren a. A. / CF = La Chaux-de-Fonds / DD = Dresden (D) / NE = Neer (NL) / NW = Niederwangen / RO = Braşov / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Legende:
AR = Altenrhein / AX= Grosshöchstetten / BX = Büren a. A. / CF = La Chaux-de-Fonds / DD = Dresden (D) / NE = Neer (NL) / NW = Niederwangen / RO = Braşov / RS = Rudolfstetten / SC = Schlieren / ST = Stans