conical twin screw barrel for plastic machinery
Screw Diameter: 35mm-200mm
Length: Less than 10000mm
Barrel diameter: 35mm-200mm
Material: 38CrMoAlA; SKD61; SKD11; 40Cr; 42CrMo; High quality alloy steel
Technology for TIN coated screw barrel/: Nitriding treatment, alloy coating spraying, Heat-treatment, quenching
Appliance for TIN coated screw barrel/: PA, EVOH, EAA, PC etc
 
PRODUCTION INFORMATION
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
 rf
AVAILABLE SOLUTIONOF 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  22 37  55  90
Output (KG/h)  80-100 100-150 150-250  250-280  380-700
 
 
DIMENSION RANGE 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.
Delivery Detail:  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.
 
Year Company Established:  2006
Annual Sales Amount:   US$10 - 50 Million
Total No. of Staff:   51 - 100 People
Business Type:  Manufacturer
Quality Certificate:    CE, ISO9001
Main Export Markets:    Western Europe, Eastern Europe, South America,    
  Southeast Asia, Mid East, Africa
We warmly welcome customers oversea to build long term cooperation relationship with us!
 
 
 
 

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