Rubber Screw and Cylinder with Heaters

Product Description

ZHONGYANG SCREW 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:
Specification:
Screw Diameter for Cold Feeding Screw and Barrel: Φ 40mm-Φ 300mm
Screw Diameter for Hot Feeding Screw and Barrel: Φ 30mm-Φ 250mm
Screw Diameter for Pin Rubber Screw and Barrel: Φ 50mm-Φ 250mm
L/D Ratio: 4-18
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
ZY SCREW's advantage:
First-class designing and researching team;
High quality and durable products of screw barrel;
Most professional sales who can serve for you timely;
Best customer service especially after-sale service;
Powerful company's strength support long-term cooperation.
Welcome to contact us.

---

>> 26305706A Engine Parts Radiator Mesh fit EN76 SM2 2020-2021
>> T Shaped Cold Drawn Metal Roller Shutter Elevator Guide Rail Cold Roll Making Forming Machine
>> Automatic Laser Panel Cutting Machine with Enhanced Safety Features
>> Wood Plastic Composite Decking Board Ts-04
>> Hot Sale Zy3800-3dpl Zoyer Chain Stitch Industrial Sewing Machine
>> Warehouse Lonking 1.5 Ton Electric Forklift Pallet Truck Stacker with High Quality
>> Round Biodegradable Eco Friendly Scented Tea Paper Tube Packaging with Custom Logo Printed and Matte Vanish
>> ERW High Frequency Pipe Making Machine Carbon Steel Pipe Metal Round Pipe Automatic Production Equipment
>> Fully Automatic Facial Tissue Paper Making Machine Small Tissue Paper Making Machine
>> 5 Gallon 2 or 3 barrels washing machine with or without decaper 20l plastic gallon pull lid barrel washing machine
>> Ws-5500L Concrete Mixer Truck for Building
>> High Quality Warehouse Stackable Steel Wire Mesh Container Basket
>> Factory Price M. 2 Ngff 2280 SSD 128GB 256GB 512GB Computer Hard Disk Drive for Notebook Laptop Desktop
>> Premium 4D Foam High Heel Insoles for Pain Relief
>> OEM Pump Body Parts Wcb Lost Foam/Sand Casting Pump/Impeller Housing for Sulzer Machinery Casting
>> Hand Skiving Tool for Hydraulic Hose
>> Whirlpool Spa Adjust Spout Hydromassage Zn Alloy Hand Knob Tub Bathroom Water Mixer
>> Both Wet and Dry/Feed Mixing/Sand Mixing/Gasoline Electric Portable Mixer/ Garden Construction Roll Mixer/ Mini Cement Concrete Mixer
>> Commercial Black Garlic Fermenter Black Garlic Fermenting Chamber Black Garlic Manufacturing Machine
>> High Quality Cranberry Powder 100% Natural Freeze Dried Fruit Cranberry Extract