• Model NO.: Twin Parallel Screw Barrel
  • Plastic Processed: PVC
  • Automation: Automatic
  • Size: Customize
  • Nitrided Layer Depth: 0.5-0.8mm
  • Trademark: Zhongyang
  • Origin: China(Mainland) Zhejiang
  • Type: Profile Extruder
  • Screw: Twin-Screw
  • Computerized: Computerized
  • Material: Nitriding Steel
  • Nitrided Hardness: HRC56-58
  • Specification: ISO 9001: 2008 approved
  • HS Code: 84779000
PVC Pelletizing screw barrel Twin Parallel Screw Barrel plastic machinery screw barrel
Specification:
Diameter: Φ 45mm-Φ 200mm
L/D ratio: 16-35
The compression ratio of screws can be designed according to different products and ingredients

Technical Information
Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)4Cr5MoSi V1 (JIS SKD-61)
(4)9Cr18MOV
(5)HPT

Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: ≥ 950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm

Production time: 35 days.
Warranty and service: 1 year.
Focus on quality and service.
Experienced manufacturer, we will be the best choice.

Main Base materials
 		 1.38CrMoAlA  (Nitriding Steel)
2.  SKD-61   (Special Tool Steel)
3.  42CrMo (Ultrahigh Strength   Steel)
4. DC53 ( Cold Work   Die Steel)  
5. W6Mo5Cr4V2 ( High-Speed   Tool   Steel )
6. HPT

 
 
Main Alloy Materials		 1.  Ni-based alloy/Deloro alloy
2.  Tungsten carbide/Wolfram carbide
3.  NiCo-based alloy
4.  Fe-based alloy
5.  Co-based alloy  

 
 
 
Processing Technics		 1.  Heat treatment
2.  Quenching
3.  Nitriding treatment
4.  Bimetallic alloy welding
5.  Bimetallic alloy centrifugal casting
6.  Hard-chrome electroplating

 
 
 
 
Technical parameters		 Nitriding layer depth 0.5-0.8mm
Nitrided hardness HRC56-58
Nitrided brittleness Less than grade 1
Surface roughness Ra 0.4
Linearity of screw 0.015mm
Hard-chrome plating hardness ≥HRC57
Chrome-plating layer depth 0.03-0.09mm
Bimetallic layer depth 3 mm
Bimetallic layer hardness HRC58-62
Above are main technical information, a suitable screw and barrel will be made according to your requirement.

Thread Rolling Machine Model YY28-80

   This model is widely praised for its rational price, easy maintenance and high quality. Besides axial and radial process, it is used to process regular and irregular bolt, through screw etc. with optional embossing roller. The through screw made with this machine in ZheJiang Standard parts base has been exported to US, Canada and Europe.

Specifications:

Pressure of Roller max
 150KN
 Rotary Speed of Main Shaft
 36,47,60,78(r/min)
Working Dia
 4-48mm
 Feed Speed of Movable shaft
 5mm/s
OD of Roller
 120-170mm
 Thread Length
 (no limits)
BD of Roller
 54mm
 Main Power
 4kw
Roller Width max
 100mm
 Hydraulic Power
 2.2kw
Dip Angle of Main Shaft
 ±5°
 Weight
 1700kg
Center Distance of Main shaft
 120-240mm
 Size
 1480×1330×1440mm


Thread Rolling Machine Model YY-630
   This model mainly is used for various types of precision outer thread rolling, including the common thread, trapezoidal thread and modulus thread, workpiece to circular shape, straightening, rolling wrinkles, light and rolling work, Adapt rolling of material: elongation and tensile strength than 10% less than 1000N/mm² of various carbon steel, alloy steel and non-ferrous metal. 

Specifications:

Pressure of Roller max.
 630KN
 Dip Angle of Main Shaft
 ±10°
Working Dia
 120mm
 Rotary speed of Main shaft
 8,14,21,33(r/min)
OD of Roller
 260mm
 Rolling Power
 15kw
Roller Dia max
 220mm
 Hydraulic Power
 7.5kw
BD of Roller
 100mm
 Cooling Power
 0.25kw
Roller Width max
 200mm
 Weight
 3000kg
Center Distance of Main shaft
 210-380mm
 Size
 2100*2270*2330mm


Thread rolling machine Model YY160

   This model is characterized by rational and solid structure, great active force, low noise, low failure rate, convenient adjustment, high precision in processing screw thread, and wide application. It can have roll finishing on various external threads including regular, trapezoidal and modulus screw threads, and have molding, barreling and knurling processes on workpieces. Driven by worm gear and worm, equipped with an automatic lubrication system, manual, pedal, semi-automatic and automatic controls, it is easy in operation, high in production efficiency and low in labor intensity. Equipped with corresponding thread roller, it can process regular and abnormal bolts of various specifications.

Specifications:

Pressure of Roller max.
 160KN
 Rotary Speed of Main Shaft
 25,40,60,100(r/min)
Rolling Material Diameter
 4-56mm
 Thread Length
 (no limits)
Rolling round aperture
 54mm
 Main Power
 5.5kw
Rolling round of the max weidth
 130mm
 Hydraulic Power
 2.2kw
Dip Angle of Main Shaft
 ±5°
 Weight
 1830kg
Center Distance of Main shaft
 120-240mm
 Size
 1450×1520×1430mm


Pictures for machine:

Thread rolling machine

Thread rolling machine

Thread rolling machine

Thread rolling machine

Thread rolling machine

Thread rolling machine



Training and Installation :
1. We offer installation service local in paid, reasonable charge. 
2. QT test is welcome and professional.
3. manual and using guide is optional if no visiting and no installation. 


Certification and after service:
1. Match the technology standard, ISO producing certification 
2. CE certification 
3. 12 months warranty since the delivery. Board. 



Our advantages:
1. Short delivery period. 
2. Effective communication 
3. Interface customized. 

Thread Rolling Machine

Thread Rolling Machine, Rebar Thread Rolling Machine,Two-Die Thread Rolling Machine,Solid Bar Thread Rolling Machine

YingYee Machinery and Technology Service Co.,Ltd , https://www.yingyee.cn

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