BLOOM(suzhou) Materials Co.,Ltd
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Bimetallic Nitrided Conical Twin Screw Barrel For WPC PVC PE Industry
1.Product Introduction
Conical twin-screw extruder is composed of barrel, screw ,gear transimission system,measurable feeding,vacuum system,heating,cooling and electronic control components.
It is mainly used in plasticizing,extruding and forming PVC pipe ,plate,sheet,film,profile,and granule,etc
2.Main Advantages
1– Low shearing rate, uneasy degradation,plasticization uniform and agglomeration.
2– Reliable quality ,wide application range and long servicing life.
3– Automatic temperature control, vacuum gas exhaustion, oil cooled screws.
4— forced feeding and self-cleaning mechanism.
3.Main Specification
| specification | Working length(mm) | Extrusion ability (kg/h) | Rotation speed of screw(rpm) |
| φ35/φ77 | 810 | 40-70 | 5~50 |
| φ45/φ90 | 990 | 50-80 | 5~45 |
| φ50/φ105 | 1070 | 100-150 | 4~45 |
| φ51/φ105 | 1220 | 100-150 | 4~45 |
| φ55/φ110 | 1220 | 120-180 | 4~40 |
| φ60/φ125 | 1320 | 150-200 | 4~40 |
| φ65/φ120 | 1440 | 200-250 | 4~40 |
| φ65/φ132 | 1440 | 200-250 | 4~40 |
| φ70/中140 | 1460 | 220-300 | 4~40 |
| φ75/φ150 | 1480 | 250-300 | 4~35 |
| φ80/φ143 | 1800 | 300-360 | 4~35 |
| φ80/φ156 | 1660 | 300-360 | 4~35 |
| φ92/φ188 | 2000 | 400-500 | 4~35 |
4.Bimetallic Conical Screw Parameter
Basic Steel: 38CrMoAIA
Heat treatment hardness: HB260°~320°
Nitriding hardness:HV950°~1000°
Nitriding depth: 0.50~ 0.7mm
Nitriding brittleness:≤ grade 2
Roughness:Ra0.4
Screw straightness:0.015mm
Chrome plating hardness:≥950HV
Chrome thickness: 0.05～0.10mm
Bimetal depth: 1.0～2.0mm
Bimetal hardness:HRC56°~65°
5.Bimetallic Special Materials
hot processed steel: 1.2344,H13,W360,SKD61,
cold processed steel: 1.2379,K340,D2,DC53,SKD11,W110
HSS:1.3343,1.3243, SKH51,SKH55,
HIP Powder HSS:CPM9V,SK739,SK726,SK742,GH113
Screw flight top use Stellite plasma alloy welding, alloy types: cobalt base,nickel base, iron base alloy.
We use special alloy powders being sprayed and welded on the screw’s ridge,
and we use different alloy and welding methods for the screw of different functions.
6.Production Show
7.Quality Control
We always adhere to the principle of quality first and service first, and strictly control the quality of every product that leaves the factory to ensure the interests of customers to the greatest extent possibly.
8 . Other Similar Products We Can Offer
Single screw extruders’ screws and cylinders: with diameter 15-940mm; Length-diameter ratio 1:8-1:60
Injection molding machines’ screws and cylinders: 15G-25000G series
Twin-screw extruders’screws and cylinders:diameter 25-200mm
Single screw categories: screen type, separated type, exhausting type, dowel type, double-end type, pelleting type, and chemical fiber screws.
Twin screw categories: ordinary type, cone type, hypercone type, and pelleting type.
9 . Export Experience
Our main business is foreign trade, and currently we have served over 30 customers in over 10 countries. With excellent products, strict quality control, and first-class service, we are having more and more high-quality customers now.
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Welcome for Inquiry at Any Time.
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