Mining Machinery leading manufacturer

Welcome to Koira Mining Machinery

Most Leading Industrial Service Provider.

we are large Koira Mining Machinery manufacturer and exporter, located in Zhengzhou, Henan, China. Our main product categories include stone crusher machine, sand making machine, ore beneficiation plant, powder grinding machine, dryer machine, etc.

40 years of professional casting environmental crushing equipment
Select special materials with high wear resistance and high hardness
High quality, professional service team
provide lifelong service for the sold equipmen

case and solutions

Why Is the Product Quality of Cone Crusher Unqualified

Why is the product quality of cone crusher unqualified.1. The moving cone and fixed cone of cone crusher are broken.2. The crushing chamber of cone crusher hasn’t been designed reasonably.3. Materials do not fit the bill of cone crusher.4. The discharge port of cone crusher is adjusted too large.5. Unstable voltage
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Notes for the lubrication of cone Crusher

Cone crusher is an important equipment for the stone pit. According to incomplete statistics, the mechanical failure of the cone crusher due to improper lubrication is as high as 30% of all faults.
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Notes for the Maintenance of Sand Maker

I am Ehsan Ullah Prince from Gujrat Punjab Pakistan, I have a sand Maker, I want to know if you can give me some notes for the Maintenance of sand Maker?
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What Material Is Better Used in the Jaw Crusher Plates

Fote Machinery will introduce you some materials used in the jaw crusher plates in detail as well as the merits and drawbacks of these materials to help you make a better choice.
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What Is the Right Granite Crushing Solution

What is the right granite-crushing solution?1.Problems of granite crushing 2.It is not reasonable to use hammer mill crusher to process granite. 3.Symons cone crushers are the correct choice.
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Common Senses on Lubrication System of Symons Crushers

Common senses on lubrication system of symons crushers,1. Lubricating oil enters the symons crushers in two ways.2. Keep the lubricating oil warm in winter.3. Lubricating oil temperature shall not be higher than 60 ℃.4. Control oil pressure.5. The limit of water which entering the heat exchanger.6. Conduit cleaning of the lubrication system.7. Oil level in the oil receiver.8. Keep the filter clean.9. Inspection frequency.
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