Conical Twin Screw Barrel For UPVC Plastic Pipe Machine

Conical Twin Screw Barrel For UPVC Plastic Pipe Machine

1 . Description

Avail from us a precision-engineered range of Twin Screw & Barrel (Conical/Parallel), which is widely used for specific processing demands. The conical types of screws offered by us have larger diameter shafts that can reduce screw deflection inside the barrel thereby assuring greater life span to both.

We manufacture “TWIN SCREWS AND BARREL SETS” both in Parallel and Conical technology (co-rotating/Contra-rotation versions) match-able to original specifications, production, life span and output but with distinct price advantage.

Our Twin Screws and Barrel Sets are match-able to world famous extruders i.e. Cincinnati Extruder Models CM-45, CM-55, CM-65, CM-80, and CMT-58, CMT-68, CM-80 Sheet, and all models of Battenfeld, Reifenhausor, Krauss-Maffei etc.

 

 

2 . Product Details

Base materials

Our common materials include 42CrMo94140Steel),38CrMoAIAI(1.8509),31CrMoV9(1.8519),34CrAINi7(1.8550),40Cr,45steel.

SS304,SS416,SKD61.Other materials are possible,please contact us for future details.

 

Surface treatments

Including:quenching & tempering,nitriding,hard chrome-plated,bimetallic alloy coating,through hardened

 

 

MIKROSAN	MCV 55	MCV 67	MCV 110
BATTENFELD	BEX 65	BEX 68	BEX 90	BEX 92	BEX 107	BEX 110
KRAUSS MAFFEI	KMD 60	KMD 75	KMD 90	KMD 110	KMD 114	KMD 130
CINCINNATI	ARGOS 72	ARGOS 90	ARGOS 93	ARGOS 114	ARGOS133	ARGOS 135
THEYSOHN	TTS 78R-26	TTS 88R-24	TTS 88R-26	TTS 108R-24	TTS 108R-26	TTM 138-28
WEBER	DS 7.22	DS 8.32	DS 11.22	DS 12.32	DS 13.22	DS 850 / 2b

 

 

 

3 . Technical Parameter

Base Material	1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JISSKD-11) ; 3)4Cr5MoSiV1(JIS SKD-61) ;4)42CrMo(AISI4140)
Bimetallic Alloy Materials	1)Fe-based alloy2)Ni-based alloy/Deloroalloy 3)Co-based alloy4)NiCo-based alloy 5)Tungsten carbide/Wolframcarbide
Double-alloylevel	Level A - containing Tungsten of40% Level B - containing tungsten of 25% Level C - containing tungsten of15%
Surface Treatment	Heat Treatment High FrequencyTreatment Nitriding treatment(120Hours): Depth of Nitrided Layer: 0.5-0.8mm Hardness of Nitrided Layer: 900-1020Hv(HRC56°-65°) HardChrome Plating treatment: Thickness of Hard Chrome Plating Layer:0.05-0.10mm Hardness ofHard Chrome Plating Layer: ≥950HV Nickel alloyplating.treatment: Bimetallic barrel / Cylinder: Centrifugal Casting(Inlay Alloy) BimetallicScrew: Plasma Alloy Coating Spraying Depth of Bimetallic Layer: >2mm Hardness of Bimetallic Layer: HRC55°-72° Spraying corrosion wear-resisting dual metallayers

 

 

4 . Comparsion of the output (LDPE)

Pressure is generated if resin passes over the barrier, forcing any air in the melted resin back to the feed side and effectively preventing the intrusion of air bubbles on the sub flight side. This is highly effective with resins that generate bubbles such as PS, PA, PET and EVOH.

 

 

 

 

5 . Parallel twin screw and barrel application
1)PP
2)PE
3)PVC
4)WPC
5)SHEET/PIPE/PROFILE/ FOAM BOARD
6)CRANULAR TWIN SCREWS EXTRUDERS
 

 

Bimetallic Treatment of Screw

The bimetallic screw for extruder twin screw is a kind of screw spray welding a 2~3mm-thick alloy coat on the screw flight of output area for the screw . The Bimetallic treatment has excellent corrosion resistance, abrasion resistance and high working temperature. And its useful service life is greatly improved contrast to the common nitrided screw.

 

 

6 . As per customer's demand,we can also supply below:
PVC/PE Film Blowing Screw;

Blow Molding Screw;

PS/PE/PP/ABS Sheet Extrusion Screw;

PE Aluminum Plate;

PPR Pipe Screw;

EVA Extrusion Screw;

HDPE High efficiency Screw;

PET Straps Screw;

XPS/EPE Foamed Screw;

Granulation Screw,Vented single screw etc.