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SHIP REPAIRS » HEAD OF PISTON TOTAL RECONDITION (GROOVES AND COMBUSTION AREA)

                  PISTON GROOVES OF PISTON HEAD RECONDITION

    •     Collection of piston crown
    •     Cleaning  and sandblast
    •     Visual inspection
    •     Initial  measurements
    •     Turning of lathe (cleaning of all surfaces of grooves
           abstraction of neuron, by any chance burns)
    •     Checking in the region of grooves for the finding by
           any chance crack with method DYE - CHECK
    •     Warm-up in 250o  C
    •     Recondition of all grooves using for material wire S2
           with the method of sunk arc. (SUBMERGED ARC METHOD).
    •     Fired  of head in 650 o C
    •     Turning of lathe of this, opening of new grooves base
           of drawing in the constructional meters
    •     Chromium took place at grooves  thickness  upper surface 0.3 mm                   chrome and lower surface 0.5mm chrome per side in all grooves
           and  rectify of surfaces of grooves
    •     Final inspection of the piston crown
    •     Tackling of head with the elements of our work shop


 
           COMBUSTION AREA OF PISTON  HEAD RECONDITION

    •     Cleaning by sandblasting
    •     Initial measurements
    •     Turning of lathe in the space of combustion and in the diameter
    •     Checking in the region of space of combustion for the finding
           by any chance crack with method DYE – CHECK 
    •     Throughout opening crack
    •     Warm-up in 250[o]C
    •     Welding crack with basic electrode manually-operated  by AWSA                  
5.5 E 9018-G
    •     Reconditioning of all space of combustion with wire S2 MO
           with automatic welding with the method of sunk arc                                      
(SUBMERGED ARC METHOD)
    •     Fired at 650[o]
    •     Turning of lathe in final dimensions of constructor
    •     Opening of new holes
    •     Tackling of head with the elements of our work shop  

 

 

 

 

PISTON HEAD BEFORE RECONDITION
PISTON HEAD BEFORE RECONDITION
 
PISTON HEAD NEED REPAIRING
PISTON HEAD NEED REPAIRING
 
PISTON HEAD BROKEN
PISTON HEAD BROKEN
 
PISTON HEAD NEED REPAIRING
PISTON HEAD NEED REPAIRING
 
TURNING OF PISTON HEAD
TURNING OF PISTON HEAD
 
STAGE OF MACHINE'S TREATMENT FOR PISTON HEAD
STAGE OF MACHINE'S TREATMENT FOR PISTON HEAD
 
STAGE OF MACHINE'S TREATMENT FOR PISTON HEAD
STAGE OF MACHINE'S TREATMENT FOR PISTON HEAD
 
TURNING OF PISTON HEAD
TURNING OF PISTON HEAD
 
SUNDBLASTING OF PISTON HEAD
SUNDBLASTING OF PISTON HEAD
 
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