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Rocker arm for vertical roller mill

CHAENG can manufacture high-quality rocker arm. The rocker arm is one of the main components of vertical roller mill. Each set of rocker arm includes upper rocker, lower rocker, a center shaft, a bearing seat and a bearing, mainly to transfer hydraulic pressure to the grinding roller, and turn it into the grinding force to material bed.



MaterialSteel ZG270-500, ZG30SiMnMo

Applicationvertical roller mill

CustomizableYes, according to customer's drawings

Our Advantages

casting rocker arrm of vertical roller mill

 1. Level-2 flaw detection standards, to ensure quality. 

 2. Use arc gouging and shot blasting treatment, to grantee the appearance quality.

 3. Use ZG270-500, ZG30SiMnMo high-quality steel material to ensure the strong wear resistance and fracture resistance of the rocker arm.

 4. Quality assurance: The fabrication route is governed by the provisions of the implemented Quality System ISO 9001:2015.

The standard documentation ensures the full traceability of every process step, including heat treatment, chemical composition test, mechanical properties test, non-destructive test, and dimensional check.

Production Process

  • Simulation & analysis

    Simulation & analysis

  • Wood pattern

    Wood pattern

  • Sand mould

    Sand mould

  • Smelting


  • Molten steel test

    Molten steel test

  • Pouring


  • Sand cleaning

    Sand cleaning

  • Heat treatment

    Heat treatment

  • Finishing


  • Machining


  • Non-destructive testing

    Non-destructive testing

  • Packaging & delivery

    Packaging & delivery

Customer cases

CHAENG vertical roller mills are sold all over the country, the matched rocker arms are all independently produced by CHAENG. Its high strength, good wear resistance get much favor of big enterprises. CHAENG vertical roller mill rocker arms are applied to the major cement plant, grinding production line:

The grinding roller and grinding rocker arm produced by CHAENG are applied in 900,000 t/a vertical cement mill of Henan Yuhui Yellow River building materials Co., Ltd. The grinding roller and grinding rocker arm produced by CHAENG are applied in 1,500,000 t/a slag production line of Ningbo Baosteel.


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Contact Us

E-mail: contact@chaeng.co

Phone: +86 15290747879


Wechat: +15290747879

Office Add: Mengzhuang Town, Huixian City, Henan Province, China