Advantages:

1.The grinding base door frame made by us uses particular heat treatment technology, which makes its structure optimized, its hardness improved, its wear-resistant and anti-impacting enhanced.

2.The grinding base door frame uses high strength steel. We also make the optimization for the product according to the operation characteristics of coal mill, ensuring the stability of the component during long time operation, and extending the service life of the components.

3.Our company has strong production capability in steel casting, and can provide the product in large quantity with short delivery.

Our main material for the smash base door frame is similar to followings:

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:

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

• Dimensional check supported with a “as-built“ sketch;

• Record of the heat treatment chart;

Our service:

• Prompt response in 24h after your inquiry
• Several years high-precision processing experience

OEM service:

• Advanced management ability with high technology
• Strictly quality control
• We design the production according to your drawing when you supply the design drawing.

 Door Frame Manufacturing Process:

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

 Case:

1.The door frames made by us were applied to large-scale machinery manufacturers producing coal mill, such as a famous heavy machinery company in Dalian city, a famous heavy machinery company in Shanghai etc.

2.The door frame made by us is used on large coal mill in the production line in Japan