Single plastic extruder screw
Main parament :
Material: 38CrMoAIA 40CrMo 42CrMo high quality alloy steel
Technology: Nitriding treatment, alloy coating spraying, heating treating, screw fully hardening.
Depth of nitrition layer: 0.6-0.8mm
Nitriding treatment surface hardness: HV>=900-1100HV
Fragility of nitrition: Less and grade 1
Surface roughness: Ra 0.4um
Straightness of screw: 0.015mm
Surface of hardness of nitrated Cr Coating layer: >=
Hardness of Cr coating layer: HRC62-72
Thickness of alloy plating: 0.025-0.085mm
Depth of alloy layer: 2.5-4mm
Technological Process:
Blanking, Rough Machining, Quenching & Tempering, Semi Finishing Machining, Finished Product, Detecting Nitring/Alloy Processed, Finish Machining
Packing for Stainless steel screw and barrel
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
After-Sales Service
1. If the after-sale problems we will reply you in time of after-sales request.
2. We have a large number of professional and technical personnel, engaged in equipment design and development work, has a wealth of practical experience. Can provide you with the best after-sales service.
Why choose us :
1. We have long history and experience working in the field |
| 2. We have the most advanced equipments and technique in our industry |
| 3. We have professional engineers and staffs |
| 4. We have 100% quality ensure system and 24hours after-sale service system |
| 5. We own two lands of workshop, covering 5000cbms. |
| 6 . For each product will have 1 year guarantee. |
FAQ
Q1:What are we?
We are factory, with license of import and export goods by ourself.
Q2:How to get to us?
The nearest airport is yaoqiang airport, and the nearest train station is jinan station.
Q3:How do we control the quality of screw barrel ?
We have professional engineer and staffs to check every detail and dimensions from the raw materail, ni trading treatment and super grinding. We do the crucial nitriding treatment by ourself,
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