Screw and Barrel for PP Melt Blown Fabric for Masks
ZHOUSHAN JINTANG OULIN MACHINERY CO., LTD.- After-sales Service：If Has Quality Defects, a New One Will Be Made.
- Warranty：180 Days
- Standard：DIN, JIS
- Technics：Cutting, Heat Treatment, Pta Welding, Casting
- Feature：Long Working Life
- Material：Alloy Steel
Base Info
- Model NO.：20mm-500mm
- Transport Package：Plywood Case
- Specification：20mm-500mm
- Trademark：OULIN
- Origin：China
- HS Code：84779000
- Production Capacity：300-500 Sets Per Year
Description
Basic Info.
Model NO. 20mm-500mm Transport Package Plywood Case Specification 20mm-500mm Trademark OULIN Origin China HS Code 84779000 Production Capacity 300-500 Sets Per YearProduct Description
Detail Information For Screw and Barrel for PP Melt Blown Fabric for Masks:Application: for PP Melt Blown Fabric
Customer's Requirement: good abrasive resistance
Screw's quality: nitriding quality, 38CrMoAlA as base steel.
Barrel's quality: nitriding quality, 38CrMoAlA as base steel.
Detail Information For All Single Screw and barrel for Extrusion:
Main application: be used in extrusion for film, pipe, recycling, pelleting, sheet, profiles, rod and etc.
Specification:
Diameter: Ø20mm-Ø500mm
L/D ratio: 15-53
Base material :
SKD61
42CrMo
38CrMoAlA(JIS SACM645) from BAOSTEEL company.
Heat treatment:
Advance hardening and tempering
Nitriding treatment
Mid-frequency hardening
Technical Parameters:
Nitriding depth: 0.50mm-0.80mm
Nitriding hardness: HRC56-58
Surface roughness: Ra 0.4
Screw straightness: 0.015mm
Hard chrome layer hardness: HRC58-60
Hard chrome layer thickness: 0.025-0.1mm
Alloy layer depth: 2mm-3mm
Alloy layer hardness: HRC56-64
OULIN SCREW: YOUR LOYAL PARTNER FOR SCREW AND BARREL
