平行ねじの中国ねじメーカー

Twin parallel screw barrel for plastic extruder machine

Diameter

35/2mm-200/2mm

Min.Order

1 set

Materials

38CrMoAIA

42CrMo(JIS SCM440)

9Cr18MoV

CW6Mo5Cr4V2

SKD11,GH113

Discount 

Available

Application

PMMA,PVC,ABS,PP,PE

Sheet,Profile,Pipe,Pelletize

Payment 

Term

T/T, L/C,Other

Technical 

Process

1.Rough Machining

2.Quenching 

and Tempering

3.Finish Machining

4.Nitriding

5.Spraying and welding

with alloy power

6.Screw polishing

Technological 

Parameter 

Roughness

Ra 0.4um

Hardness of Quenching 

and Tempering

HB 240-280

Depth of Nitride Layer

0.5~0.8mm

Hardness 

HRC 58-65

Alignment of Screw

0.015mm

Packing 

Wood Case

Port Departure

Ningbo Port/Shanghai Port

Guarantee

twin parallel screw: more than 3 years