Jingheng owns a professional design and R&D team, advanced processing equipment, and first-class technical team. The company closely cooperates with the international famous steel manufacturers and large-scale thermal treatment manufacturers, to rigorously select the materials and control the thermal treatment and processing technology.
Jingheng produce many kinds of injection screw such as Fanuc, Demag, Nessei, Tishiba, Sumitomo and Battenfeld.
Application
PVC, POM, PP, PE, PPS, ABS,PC, PA, PMMA, PBT
Base materials:
1)38CrMoAlA (JIS SACM645) 2)42CrMo (AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61) 4)DC53 (JIS G4404)
5)Cr12MoV (SKD11)
Bimetallic alloy materials
1)Ni-based alloy/Deloro alloy 2)Fe-based alloy
3)Co-based alloy 4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide
Processing technics
Heat treatment
High-frequency quenching
Nitriding treatment
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Hard-chrome electroplating
Technical parameters
Nitriding layer depth: 0.5-0.8mm
Nitrided Hardness: 900-1000HV (HRC 55-65)
Nitrided brittleness: Less than grade 1
Surface roughness: Ra 0.4
Linearity of screw: 0.015mm
Bimetallic layer depth: 3 mm
Bimetallic layer hardness: HRC 55-70
Hard-chrome plating hardness after nitriding: ≥950HV
Chrome-plating layer depth: 0.03-0.1mm
Screw Production Process
Customer Order--- Material Procurement---Normalizing/Homegenizing---Dring---Rough Turing---Rough Thread Rooling---Alignment and Stress Release---Fine Rough Rolling---Mixing/Stirring Zone---Alignment Polishing---Grinding---QC---Iron Nitrogenizing(120 hour)---Alignment/Polishing---Polishing/Grinding---Cryogenic treatment---PVD plating---O.D Grinding---FQC---Packing and Shipping
Our Advantages
1. Over 20 years experiences of manufacturing and designing screw
2. Professional design and R&D team
3. Customized service for each customer
4. Fast response to each inquiry
5. In-time after sale service
WELCOME TO INQUIRE US!
