Industry Knowledge

Steel Casting Door Frame of coal mill

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  • Jun 12, 2015  UTC+8
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  • Tags: Door Frame coal mill Steel Casting

Introduction of Door Frame of coal mill

The grinding base door frame is the major component of coal mill. The grinding base door frames manufactured by us are well sold in domestic market and exported to Japan and other countries, and enjoyed great popularity.


Advantage of Door Frame of coal mill

1.Great Wall Machinery adopts unique heat treatment to optimize the door frame structure, to enhance hardness, wear resistance and impact force.

2.Great Wall Machinery is made from high strength steel. The staff optimizes the design of coal ball mill to ensure the stability under long working time and it prolongs its service time.

3.We has a strong ability of producing steel casting and it can do mass production of door frame in a short cycle with large amount.

Product processing of Door Frame of coal mill

1. Wooden pattern Production

2. Molding

3. Pouring

4. First cleaning

5. Heat treatment – grinding (inspection)

6. Rough machining (inspection)-finishing machining (inspection)

7. Packing-delivering


Quality assurance

The fabrication route is governed by the provisions of the implemented Quality System ISO 9001: 2000. The standard documentation ensures the full traceability of every process step:

1.Manufacturer test certificates according to DIN EN 10.204 § 3.1 including chemical composition, mechanical properties and non-destructive examination;

2.Dimensional check supported with a “as-built“ sketch;

3.Record of the heat treatment chart;


Packaging detail of Door Frame of coal mill

Packaging Detail : The main machinery is in nude packing,and spare parts in Wooden or steel box standard export packing, suitable for long distance delivery.

Delivery Detail:within 30days after your payment.