All capacitor discharge stud welding guns at a glance

    PKM-1B PHM-1A PIM-1B PIM-1K
Welding method        
  Capacitor discharge (contact) x   x  x
  Capacitor discharge (gap)   x    
Application range        
  Threaded studs, tapped studs, non-threaded studs, insulation nails, earth plugs, double earth plugs x x    
  Cupped head pins     x  x
Welding range (Ø mm)        
  Capacitor discharge (contact) 2-10   2-4  2-4
  Capacitor discharge (gap)   2-10    
Welding material        
  Steel x x x  x
  Stainless steel x x x  x
  Aluminium   x    
  Brass   x    
Spring pressure adjustable x   x  
Spring pressure display x   x  
Lift adjustable   x    
Lift display   x    
Integrated travel measuring system   o    
Piston guide        
  Slide-bearing x x x  
  Linear ball track o o    
Welding cable        
  -cross-section (mm2) 25 25 5  5
  -length (m) 6,5 3 10  10
Control cable plug 7-pin 7-pin
(12-pin1)		 7-pin  7-pin
Housing from impact resistant plastics x x x  x
Protection of piston guidance from welding spatters x x x  x
Dimensions        
  Width (mm) 40 40 40  40
  Height (mm) 130 130 130  130
  Length (mm) 183 183 193  43
  Weight without cable (kg) 0,7 0,7 0,9  0,2

x = Standard, o = Option

1)With integrated travel measuring system.