We carefully create our own features of Extruder Machine Spare Parts, PARALLEL TWIN SCREW EXTRUDER, SCREW BARREL FOR EXTRUDER MACHINE, and at the same time always insist on independent research and development in product concepts, supplemented by learning from others. We promise, as your ideal partner, we will develop a bright future and enjoy the satisfying fruit together with you, with persisting zeal, endless energy and forward spirit. All the staff will wholeheartedly provide the best service for new and old customers around the world with fine and rigorous work style.

Basic Info

Type: Bottle Blowing Machine

Screw: Single-Screw

Computerized: Computerized

Base Material: 38crmoala

Nitrided Layer Depth: 0.5-0.8mm

Surface Roughness: Ra 0.4

Bimetallic Layer Depth: 3 Mm

Hardness After Hardening&Tempering: Hb240-280

HS Code: 8477900000

Plastic Processed: PE

Automation: Automatic

Application: Extruder

Nitrided Hardness: 900-1000hv (HRC 55-65)

Nitrided Brittleness: Less Than Grade 1

Linearity of Screw: 0.015 Mm

Bimetallic Layer Hardness: HRC 58-70

Trademark: JS-ALLOY

Origin: China Mainland

Product Description

Separated type single screw and barrel for blowing bottle

JS-ALLOY is one of the most history and famous screw barrel brand in China. We have professional and experienced teams in every department of our company. We think professional, quality and service is the basic of business. If you want reliable and helpful screw barrel, we will be your best choice! Please kindly find our detailed information as following:

Extruder single screw barrel specification:

Diameter: Φ 10mm-Φ 350mm

L/D ratio: 10-50

According to different material and products, the screw barrel can be chosen from:

General type, Barrier type, Separated type, Vented type, Groove type, Pin type, etc.

According to different material and products to design different screw compression ratio and L/D ratio.

Technical information:

Base materials:

1)38CrMoAlA (JIS SACM645)

2)42CrMo (AISI 4140)

3)4Cr5MoSi V1 (JIS SKD-61)

4)DC53 (JIS G4404)

5)Cr12MoV (SKD11)

6)9Cr18MoV

Bimetallic alloy materials:

1)Ni-based alloy/Deloro alloy

2)Fe-based alloy

3)Co-based alloy

4)NiCo-based alloy

5)Tungsten carbide/Wolfram carbide

Processing technics:

Heat treatment

High-frequency quenching

Nitriding treatment

Bimetallic alloy welding

Bimetallic alloy centrifugal casting

Hard-chrome electroplating

Technical parameters:

Nitriding layer depth: 0.5-0.8mm

Nitrided Hardness: 900-1000HV (HRC 55-65)

Nitrided brittleness: Less than grade 1

Surface roughness: Ra 0.4

Linearity of screw: 0.015mm

Bimetallic layer depth: 3 mm

Bimetallic layer hardness: HRC 55-70

Hard-chrome plating hardness after nitriding: ≥ 950HV

Chrome-plating layer depth: 0.03-0.1mm

Terms and Conditions:

Means of transport: Ocean, Air, Express

Production time: About 20-30 days after we receive the advanced payment

Production Process:

Receiving orders - Designing & Drawing confirmation - Blanking Thermal refining - Heat treatment - Rough Turning - Polishing - Drilling for barrel - Semi Finishing Machining - Bimetallic welding - Centrifugal casting for barrel - Polishing - Nitriding treatment(120 hours) or High frequency quenching - Hard-chrome plating - O. D. Grinding - Honing for barrel - Alignment - Polishing - Inspecting - Packing & Shipping

Find excellent quality separated screw made in China from one of the largest manufacturers and suppliers - Jinsheng Bimetallic. Leveraging on advanced equipment and superior techniques, we can offer you separated screw with high resistance, high quality and competitive price. With many products in stock, we warmly welcome you to buy or wholesale our products.

Our Auto Parts Precision Ball Head Screw is known by customers throughout the world as user-friendly products characterized by high performance and extreme durability. We strive to create a fair, justice, and positive working atmosphere so that the wisdom and ability of talents can lead the company's continuous development. Relentless pursuit of perfection in product quality management and marketing service system construction has made our company larger and stronger.

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