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Rubber Screw Barrel / Barrel And Screw Set For Davis Standard /Extruder Screw Barrel From Zhoushan

Place of Origin: Zhejiang, China (Mainland)

Brand Name: QUNYING

Model Number: Rubber Food processing Screw Barrel

Base material: 38CrMoAla or 40Cr

Surface treatment: Bimetallic extrusion

Surface hardness: 900-1000HV

Surface roughness: Ra0.4

Nitride brittleness: <= Grade 2

Surface straightness: 0.015mm

Bimetallic thickness: 1.5mm~3mm

Nitride depth: 0.5~0.8mm

Alloy powder: 4 main kinds of alloy powder avaliable

Size: as per customer's drawings

Products Details

Packaging & Delivery

Packaging Details: wooden packing ( strong export wooden case)

Delivery Time: 25~40 days after receiving the deposit

Product Details:

Technical Information For Screw And Barrel For Rubber Machine
Main Base materials	1.38CrMoAlA (SACM645)	Main Alloy Materials	1. Ni-based alloy/Deloro alloy
	2. SKD-61 (Special Tool Steel)		2. Tungsten carbide/Wolfram carbide
	3. 42CrMo (Ultrahigh StrengthSteel)		3. NiCo-based alloy
	4. DC53 (Cold WorkDie Steel)		4. Fe-based alloy
	5. W6Mo5Cr4V2 (High-SpeedToolSteel)		5. Co-based alloy
Processing Technics	1. Heat treatment	Technical parameters	Nitriding layer depth:0.5-0.8mm
	2. Quenching		Nitrided hardness:900-1000HV
	3. Nitriding treatment		Bimetallic layer depth:3 mm
	4. Bimetallic alloy welding for screw		Bimetallic hardness:57~69HRC
	5. Bimetallic alloy centrifugal casting for barrel		Hard-chrome plating hardness after nitriding:≥950HV
	6. Hard-chrome electroplating		Chrome-plating layer depth:0.03-0.09mm
	Linearity of screw:0.015mm		Surface roughness:Ra 0.4

Shipping Information

1)Port Departure: Ningbo Port

2)Delivery time: 25 working days upon receipt of 30% deposit(days based on your quantity)

We use strong plywood or wooden case for all our products.

ABOUT QUNYING

ZHOUSHAN QUNYING PLASTIC MACHINERY MANUFACTORY is a professional manufacturer of extruder screw barrel, injection screw barrel, parallel twin screw barrel, conical twin screw barrel, rubber screw barrel, bimetallic screw barrel and other various types of screw barrel. At present, Qunying SCREW have a professional design experienced production team. We are located in east of Zhoushan city, zhejiang province, close to Shanghai, Ningbo port.

ZHOUSHAN QUNYING SCREW has strong technical force, equipped with advanced equipment and strict tests. Mostly products materials are selected from high quality powder alloy steel with the best materials to exploit market and most new materials, add reasonable process design through tempering, molding, qualitative, nitriding, fine grinding, polishing process of refining. So that the screw barrel has super-hard resistance wear, corrosion resistance, fracture resistance. In order to meet the needs of our customers, we company also provides product design, surveying and mapping, sample processing and repair manufacturing business. All of our products comply with international quality standards (ISO9001-2000). Since the establishment of the company, we are getting greatly appreciated and praise from new and old customers around the world. We will insist on the principle of quality, honest to customers, and provide our customers new information of the products and offer good quality products with good price.

Till now, our screw barrels have been exported to more than 40 countries all over the world, like USA, India, South Africa, Turkey, Russia and so on. We sincerely welcome customers to negotiate consultation and exchanges guidance. Your satisfaction is our eternal pursue and goal.