Twin Conical Screw Barrel for PVC extruder
 
KEYWORDS: twin conical screw barrel, conical twin screw barrel, twin conical barrel screw


All Screw Barrels are manufactured from High Quality Nitro Alloy 38CrMoALA with Highly finished Ground or Honed Bores and having Nitrogen Case Hardened Surfaces making them Extremely Durable and Wear Resistant.We also offers Special Screw Barrels, like Split Barrels, Segmented Screws, Single Screw Barrels, Special Configration, Special Materials, with Special Surface Treatment like Plasma Nitriding, bi-metallic, Hard Chromed, etc.


 PRODUCTION INFORMATION OF TWIN CONICAL SCREW BARREL
Heat Treatment of Screw Nitriding 96 Hour
Hardness of Nitration Layer HRC 56-58
Hardness of Bimetallic Layer HRC 62-64
Nitrated Layer of Screw 0.5-0.8mm
Bimetallic Layer Thickness 2-4 mm
Surface Roughness Ra 0.4um
Fragility of Nitration Less Than Grade 1
Means of Transport by Sea or by Air
Delivery Date of goods 25-30 Days
Package of screw barrel Ply Wood Case
 


AVAILABLE SOLUTION OF SCREW BARREL
ITEMS GRADE HARDNESS AND LIFE TIME PROCESS DETAILS
ZERO SOLUTION (HRC 58-62, 12-18 months) 42CrMo/38CrMoALA + thermo refining
+Hvof spraying+ nitriding 96 hours+fine polishing
JUPITER SOLUTION (HRC 58-62, 12-18 months) 42CrMo/38CrMoALA + thermo refining+Hvof spraying+ nitriding 96 hours+fine polishing
ULTRON SOLUTION (HRC 62-64, 24 months) SKD61+queching+ harden inside process
+nitriding 96 hours+fine polishing
 
 
DIMENSION RANGE OF SCREW BARREL (TWIN CONICAL SCREW BARREL)
 
Model  SJSZ-51  SJSZ-55  SJSZ-65  SJSZ-80 SSJZ-92
Screw Dia. (mm)  51/105   55/110  65/132  80/156  92/188
Max. Speed (rpm)   40   38 38  37  36
Main Motor(KW)  18.5  twenty two  37  55  90
Output (KG/h)   80-100  100-150  150-250   250-280  380-700
 
DIMENSION OF SCREW BARREL(SINGLE, OR TWIN PARALLEL SCREW BARREL)
 
ITEMS DIAMETER TOTAL LENGTH L/D RATIO
screw 15-300 mm   300-6000 mm  15-50
barrel  60-600 mm  300-6000 mm  

PACKAGE AND DELIVERY

1. Inner Packing is the PE film bag 
2. Out packing is Paper carton or wooden box packing 
3. Depend on the customer's requirements.
4. Delivery time:  20-25 working days.

OUR SERVICE

1. Measure dimension of screw and barrel
2. Complete manufacturing drawing
3. Make optimal solution based on customer's require
4.Calculate the cost of goods
5.Take photos of finished screw barrel
6.Make booking and shipping schedule
7.Send customs clearance documents
8.Arrange factory visiting schedule
9.Assistant with customers to deal other matters

COMPANY INTRODUCTION

NINGBO COWELL INDUSTRY CO.,LTD was established in 2006. It's highly involved in manufacturing of injection screw barrel, extruder screw barrel, rubber machine screw barrel as well as ball screw, linear guide, which are the critical component of precision machinery and mainly applied to Plastics Injection Machine, Plastic processing extruder, Machine Tool, Engineering machine, Precision Orientation Equipment and other equipments and machines.
 
It has professional technician team, engaged in manufacturing and researching of screw barrel. Recent years, Cowell industry places great emphasis in upgrading not only the manufacturing and quality of screw barrel but also after sales service. We uphold the concept "customer first", to provide professional, promptly and attentive service as well as better solution to continuously create value for customers.Good reputation has won the recognition from domestic and oversea market. Now we have exported to more than more than 30 countries and regions, including Middle East, Southeast Asia, France, Denmark, Finland, Italy, Poland, Brazil and Chile etc.
 
We warmly welcome customers oversea to build long term cooperation relationship with us!
 

HIGH SPEED ASSEMBLY WINDER

Features:

Single side drive ,speed control by frequency conversion ,easier for winding speed and technique parameter adjustment;

Tension device ,easy to adjust yarn tension by changing tension slices;

Bobbin forming ,stable and reliable ,applying for any style;

Applied electrical broken end testing and electrical moving-on –length device ,the machine could protect the mixture of single and double yarns ,

the machine alsokept the yarn length ,so  the products quality  was improved ;

Advantages of the machine :compact and clear yarn guide construction ,flexible machine table height ,high working speed ,low power consumption ,low noise .

 

Applied Yarns

Merges cotton ,polyester chemical ,fiber and blended yarns ply ,makes different types material spindle of two or three strands to parallel bobbins Two-For-One Twister using  

 

Assembly Winder Machine

Assembly Winder Machine,Double Winder,Soft Winder,Hard Winder

ZHEJIANG KAICHENG TEXTILE MACHINERY CO.,LTD , http://www.kaichengtex.com