Rocker arm for vertical 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.

MaterialZG270-500, ZG30SiMnMo
Applicationvertical roller mill
CustomizableYes, based on user's drawings
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CHAENG is glad to offer you the quality services. Email:

Processing advantages

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.


 vertical mill rocker arm manufacturing process

Before casting:

Confirm the drawings of rocker arm and simulate the casting process by computer simulation technology;

During casting:

CHAENG adopts advanced water glass sand molding process, which has higher density and viscosity. And CHAENG has professional technical team to strictly control molding size and molten steel temperature, so as to strengthen hardness and wear resistance.

After casting:

CHAENG has decades of casting experience and perfect product testing system, to ensure that the rocker arm have 100% qualified rate.


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:

vertical mill rocker arm

1. 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.

2. 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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