Қытай Чжоушань Хина Mach - Резеңке машинаға арналған бұрандалы және Barrel

Резеңке машинаға арналған бұрандалы және Barrel

Қысқаша сипаттамасы:

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
  • Төлем шарттары: T/T, Western Union, PayPal
  • Document: Certificate, Transportation bill
  • Бөлшекті өнім

    Техникалық Параметр:
    Diameter of screw: φ15-φ500
    L/D ratio: 15-55
    Maximal length:10000mm
    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
     
    Материал:
    High-quality alloy steel
    38CrMoAlA (JIS SACM645)
    42CrMo (AISI 4140)
     
    Technologies:
    Nitriding
    Hard chrome plating
    High-frequency quenching
    Vacuum quenching
    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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