Twin Parallel Screw&Barrel

Products specification:

parallel diameter: 58~300mm, L/D=16~36.according to different formula and material, choose compression ratio first.

Technical Index:

38CrMoAlA material, surface hardness HV≥900,Nitriding hardness HV850-1000,nitriding depth 0.45~0.7mm,chromeplate hardness ≥1000HV, chromeplate thickness 0.01~0.1mm, bimetal hardness 60-70 HRC, bimetal depth＞2mm.

Scope of application:

This parallel screws&barrel for pvc pipe(good plastify,especial suit to produce water supply pipe), window profile, sheet products,modified pvc pelleting.

Structure design:

Not only we can do ourself deign, but also having rich experience provide kraussmaffei,battenfeld-cincinnati structure for our clients,and so on.