Product Attribute:
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
Applicationt: 
extruder machine
Production Description:
CONICAL TWIN SCREW BARREL
KEYWORDS: EXTRUDER SCREW BARREL, CONICAL TWIN SCREW BARREL
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 |
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 |
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