SHM Paper Sprue Casting Tube Machine for Foundry is specialized equipment used to manufacture paper-based casting tubes (sprue tubes) that serve a critical role in the casting process in foundries. These tubes, made from biodegradable paper pulp and some refractory materials, are eco-friendly alternatives to traditional ceramic or metal sprue tubes. They are used to guide molten metal into molds during the casting process. Here's a detailed overview of the machine, its function, and the production process:

Key Components of the Machine:

Pulping System:

The raw materials, typically recycled paper, are pulped into a slurry using water and sometimes binders or additives that enhance the material's strength and heat resistance.

Forming Unit:

The pulp slurry is shaped into sprue tubes using precision molds. The Sprue and Runner machine uses either vacuum suction or compression molding to shape the tubes in the desired sizes and diameters.

Drying System:

Once formed, the tubes are dried using an integrated drying system/(or dry naturally) to remove moisture and harden the structure. This can be done using air drying, hot air ovens, or infrared heating.

Hot Pressing System:

Some machines feature hot pressing systems to increase the tube’s density and improve heat resistance, ensuring that the tubes maintain their integrity during molten metal pouring.

Advantages of Paper sprue casting tubes:

Eco-friendly: Paper Sprue Casting Tubes are biodegradable and made from recycled materials, offering a sustainable alternative to ceramic or plastic sprues.

Cost-effective: The production process is relatively inexpensive compared to traditional metal or ceramic sprue systems.

Lightweight: These tubes are lighter than their ceramic or metal counterparts, making them easier to handle and transport.

Energy-efficient: The manufacturing process uses less energy than producing metal or ceramic tubes.

Customization: The machine can be adjusted to produce tubes of various sizes and lengths based on foundry requirements.

Applications in Foundries:

Molten Metal Casting: Sprue tubes are used in the gating system of foundries to direct molten metal into the mold cavities, ensuring a controlled and efficient flow of metal.

Disposable Tubes: Since the tubes are biodegradable, they can be discarded after use without harming the environment, making cleanup and waste disposal easier in foundries.

By using a Paper Sprue Casting Tube Machine, foundries can achieve a more sustainable and cost-efficient production process while reducing their carbon footprint.

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SERVICE

1. Engineering research and technical consultation;

2. Manufacture;

3. Project Schedule;

4. Preparation of documents and drawings; 

5. Training of maintenance and operation personnel; 

6. Guide Assembly line installation; 

7. Electrical and mechanical design;

8. System integration; 

9. System test and handover; 

10. One year of after-sales support; 

11. Spare parts are included; 

12. Installation within the scope of supply;

13 Operation support for the buyer’s factory;

14. System test after equipment delivery;

15. Documentation of assemble line.