High-quality Screw barrel for plastic package cup helmet production etc
Dear Manager ,
Good day to you , this is Kaylee from Ningbo Tizatech . Over 29 years in Screw and Barrel line , we have drawings for Haitian Injection Molding Machines and most of drawings for Chen Hsong .
Our main products is :
Injection Machine Screw & Barrel .
12~450mm Diameter
25~80000g Shot Weight
250~32000KN Mould Clamping Force
Extrusion Screw & Barrel .
9~450mm Diameter
12~55 L/D
Your inquiry pls feel free to findkaylee(at)tizatech.com
Base Materials:
38CrMOAlA ( JIS SACM645)
42CrMo (JIS SCM440)
40Cr
GH113
SKD11
SKD61(H13)
Gr12MoV
Duplex Stainless Steels
Technical Details
|
Hardness after Hardening & Tempering |
HB280-320 |
|
Heat Treatment of Screw |
Nitriding 120 Hours |
|
HardnessofNitrationLayer |
HRC56-58 |
|
HardnessofBimetallicLayer |
HRC62-64 |
|
Nitride Hardness |
HV850-1000 |
|
Nitride Brittleness |
>=Grade Two |
|
NitratedLayerofScrew |
0.5-0.8mm |
|
Fragility of Nitration |
Less Than Grade 1 |
|
BimetallicLayerThickness |
2-4mm |
|
Screw Straightness |
0.015mm |
|
SurfaceRoughness |
Ra0.4um |
|
Hard Chrome Plating (HCP) |
>= 900HV |
|
HCP Layer Depth |
0.025-0.10mm |
|
MeansofTransport |
bySeaorbyAir |
|
DeliveryDate |
25-30Days |
|
Packaging |
PlyWoodCase |
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