38 CrMoALA conical twin extruder screw barrel

38CrMoALA conical twin extruder screw barrel, 1.extruder screw barrel, 2.twin screw barrel, 3.Michelin patener - details see: https://www.machineto.com/38-crmoala-conical-twin-extruder-screw-barrel-10334633

Place of Origin:Zhejiang China (Mainland)	Brand Name:DONGXIANG	Model Number:DB001	Material:38CrMoALA
Color:silver	Hardening process:Nitriding	Screw edge processing:bimetal spray-finishing	Surface treatment:Polish
Amount:one pair	Customize:Accept	OEM Production:Accept	Design:Can
Certifications:ISO9001:2008

38CrMoALA conical twin extruder screw barrel

Material&Processes

1,Quality 38CrMoALA

2,GH3#Steel

3,Quality Powder Metallurgy Raw Materials

4,Cold/Thermal Spray Hard Metal Process

5,Advanced nitriding Process

6,Corrosion & Abrasion Resistance Bimetal Spraying Process

7,Horniness screw (HTP1:abrasion HTP2:corrosion resistance,HTP3:abrasion and corrosion resistance

Technical Specification

1	Hardness After Hardending&Tempering	HB240~280
2	Nitrided Hardness	HV900~950
3	Nitrided Case Depth	0.55~0.7mm
4	Nitrided Brittleness	Less Than Grade 1
5	Surface Roughness	Ra 0.4
6	Screw Straightness	0.015mm
7	Surface Chromium-Plating’s Hardness After Nitriding	≥900HB
8	Chromium –plating Depth	0.05~0.10mm
9	Alloy Hardness	HRC55~62
10	Alloy Depth	1.5~2.0mm

Model Specifications

Model	Length-diameter ratio	Motor power	Maximum speed of screw	Maximum output(fact)	Maximum output
Φ	L/D	kw	rpm	kg/r	kg/h
60(65)	12~16	22	80	0.036	175
90	12~16	55-75	60	0.111	400
120	12~16	75-110	50	0.251	850
150	12~16	160-255	45	0.556	1500
200	12~18	220-355	28	1.548	2600
250	12~18	355-500	26	2.692	4200

Cooperative partner

We are biggest pinned screw barrel factory in China, have many coopertative parter all over the world. Such as: FranceMichelin,Japan Bridgestone,American RMS machinery,ChinaGuilin rubber institute, Shanghai Jinyuan, Yokohama Tire, Sumitomo Tire, Giti Tire, Cooper Chengshan Tire, Double Coin Holding LTD, Guizhou Tire Group, Triangle Group, Aeolus Tyre, etc .

Product detail picture

Workshop photoes

Target of us

Strive for perfection Supreme quality

Honesty and faithfulness Communal development