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
BR
BX
DR
LC
NE
NW
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 / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / 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 / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Electrolytic surface conversions
Anodising / Electrolytic oxidation • • • •   • •     •
Anodising to "British Standard" quality •   •     •        
Anodising to "SSG Structural Glazing" quality •   •              
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       • •          
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

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

Non-destructive testing
Crack detection (AITM 6-1001) AITM 6-1001   •                
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / 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 / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / 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 • • • •   • • • • •
Manufacturing of products out of stainless steel ropes         •          
Brazing         •          
Welding         •          
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

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

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