Description:

BONZER High quality bimetallic Parallel Twin-screw and barrel are mainly designed for Parallel Twin-screw extruder.

Technical parameter:

Diameter

Φ75 Φ90 Φ110 Φ120 Φ130 and all kinds of non-standard screw and barrel.

L/D 18-36

Material

High quality alloy

◆ 38CrMOALA

◆ 42CMo(JIS SCM440)

◆ 9Cr18MoV

◆ CW6Mo5Cr4v2

Heat treatment

Nitride treatment

Hard chrome plating

Spraying bimetallic alloy for corrosion

Resistance&abrasive resistance

Technical index:

Tempering hardness: HB240°~ 280°

Nitriding hardness: HV850°~1000°

Thickness of nitriding layer: 0.45~0.7mm

Nitriding brittleness: ≤class 2

Roughness: Ra0.4

Linearity: 0.015mm

Chrome-plating hardness: ≥900HV

Thickness of chrome-plating layer 0.05~0.10mm

Hardness of bi-metal layer HRC56°〜65。

Thickness of bi-metallic layer: 0.8 ~ 2.0mm

Detailed Image:

http://www.bonzerextruder.com/