komatsu engine piston and rings 4d130

Specifications

Our piston, piston ring, liner, piston pin and liner kit main brand :

(1) West Europe Vehicle

Type: BEDFORD, BENZ,PEUGEOT,DAF,FIAT,IVECO, DEUTZ, LAND ROVER  , LIEBHERR , LOMBARDINI, MAN, OPEL,PERKINS,RENAULT/RVI , SCANIA  ,
(2)East Europe Vehicle Type: BELARUS , COMPRESSOR, KAMAZ ,MTZ,STEYR ,HOWO , UTB, ZETOR
(3)American Vehicle Type:
CATERPILLAR, CUMMINS, INTERNATIONAL, FORD, LISTER , VOLVO
(4)Japanese Vehicle Type:
 DAIHATSU , NISSAN, HINO, KOMATSU, MAZDA , MITSUBISHI , SUZUKI,TOYOTA, YAMMAR, ISUZU

(5)Korean Vehicle Type:
DAEWOO, HYUNDAI, KIA

komatsu piston Ring size:  130mm   3.5 mm 1^st ring   2.5 mm 2^nd ring    5.5mm oil ring

Material: We use alloy cast iron , ductile cast iron , high alloy cast iron for compress ring and scrap ring and stainless steel for oil control ring

Casting: we introduce American high frequency induction furnace technology and auto three-positions molding machine of German to make sure the mold’s precision.

Heat Treatment: We follow German and Japanese piston ring material standards and use precise auto measurement and control furnace to heat-treat (quenching and backfire, stabilize the time effect ) piston ring of the material.

Surface treatment: we have unique electrode rotary system and electroplating liquid circulation system and auto control and pre-alarm system. Phosphating, gas nitriding, salt-melting nitriding , FSD and PCVD .

Processing: we use inner and exterior circle machining technology from German Goetze. We Own high-precision V5C surface grinder, molding grinder and honing equipment and steel combined oil ring’s technology.

CYL DIA: with diameter within 800mm