ትይዩ መንትዮቹ ንዳይፈስ እና በርሜል - ቻይና Zhoushan ሂና የጾሃር

ትይዩ መንትዮቹ ንዳይፈስ እና በርሜል

አጭር መግለጫ:

To place an order, please send us diameter and length(or L/D) of screw, outer diameter of barrel. If you have drawing or draft, please send us! That will save a lot of your time!

 


  • Transportation: By Air, Sea, Express, Train, Truck
  • የክፍያ ውል: T/T, Western Union, PayPal
  • Document: Certificate, Transportation bill
  • Production time: 30 days
  • የምርት ዝርዝር

    የቴክኒክ ልኬት:
    Diameter of screw: Ø45-Ø200
    L/D ratio: 16-35
    Hardness after hardening and tempering: HB280-320
    Nitriding hardness: 950-1100HV
    Nitrided layer depth: 0.5-0.8mm
    Nitrided brittleness: Less than grade 2
    Surface roughness: Ra0.4
    Linearity of screw: 0.015mm/m
    Bimetallic layer depth: ≥3mm
    Bimetallic hardness: HRC60-72
    Hard-chrome plating hardness after nitriding: ≥950HV
    Chrome-plating layer depth: 0.025~0.10mm
       
    ይዘት:
    High-quality alloy steel
    38CrMoAlA (JIS SACM645)
    42CrMo (AISI 4140)
    9Cr18MoV
      
    ሕክምና:
    Heat treatment
    Nitriding
    Hard-chrome plating
    Alloy powder spray welding
        
    Five Steps to place an order: 
    Step 1. Inquiry.
    Send us diameter and length(or L/D) of screw, outer diameter of barrel.
    If you have drawing or draft, please send us! That will save a lot of your time!  
    Step 2. Quotation & Contract
    Our manager will send you a quotation.
    After confirming the quotation by you, we will send you invoice and contract for payment.
    Step 3. Drawing
    Our specialist will design drawings and send you for confirming.
    Drawings are made by Auto CAD.
    Step 4. Production
    Production time from 18 to 30 days, depend on complexity of screw and barrel.
    Step 5. Inspection & Delivery
    After production we will check the hardness and sizes, send you photoes of screw and barrel.
    With rich experiences in shipment we can offer the best delivery plan for you.

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  • ቀጣይ:

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