Cement Brick Machine in Malaysia

Langfang Nianpeng Mechanical Equipment Processing Co., Ltd. is one of the most reliable manufacturers and suppliers of cement brick machine in malaysia in China. If you're going to buy high quality cement brick machine in malaysia, welcome to get pricelist and quotation from our factory. For price consultation, contact us.

What is the noise level of a cement brick machine?
The noise level of a cement brick machine is not a fixed value. It varies greatly due to multiple factors, including equipment type, degree of automation, production process, structural design, and surrounding environment. It can generally be analyzed in two parts: "main noise sources" and "noise range in different scenarios." At the same time, attention should be paid to noise control measures.
1. Main Noise Sources of Cement Brick Machines
Noise is not generated solely by the "pressing and forming" process, but occurs throughout multiple steps of the production process. Core sources include the following four categories:
Mechanical Transmission and Vibration Noise
This is common in mechanical vibration cement brick machines (which rely on vibration motors to compact the raw materials). When the vibration motor runs at high speed, it causes the mold and machine frame to vibrate synchronously, generating high-frequency, high-intensity vibration noise (mostly between 500-2000Hz). This is the primary noise source for this type of equipment.
Friction and meshing noise from transmission components such as gears and bearings: Insufficient lubrication or component wear can exacerbate the metallic clashing noise. Semi-automatic/manual equipment, in particular, has a simpler transmission structure and poorer noise control. Hydraulic System Noise
For hydraulic cement brick machines: The "turbulent noise" generated by the oil flow when hydraulic pumps (such as plunger pumps and gear pumps) operate at high pressure, the "impact noise" of hydraulic valve opening and closing, and the "seal friction noise" when the cylinder is raised and lowered are typically medium-to-low frequency noise (200-800Hz). Although slightly lower in decibels than vibration noise, they travel far and have strong penetration.

Raw Material Handling Noise
When mixing raw materials (a mixer mixes sand, gravel, cement, and water), the impact of materials and the friction between the mixing blades and the mixing shell can reach 85-95dB.

The noise from the motor of the raw material conveyor (conveyor belts, screw conveyors) and the sound of falling materials hitting the hopper are approximately 75-85dB.

Auxiliary Equipment Noise
The noise from the conveyor belt motor for finished bricks and the movement of the palletizer's robotic arm are approximately 70-80dB. II. Noise Ranges for Different Types of Cement Brick Machines (Reference Values)
Noise levels are directly related to the equipment's degree of automation and forming principle. The following is a typical noise range in the industry without additional noise reduction measures (measured at a distance of 1 meter from the equipment):
Equipment Type Forming Principle Noise Range (dB) Core Noise Characteristics
Manual/Semi-Automatic Cement Brick Machine: Mechanical Vibration 95-110 dB: Primarily high-frequency vibration noise, irregular patterns
Fully Automatic Mechanical Vibration Cement Brick Machine: Mechanical Vibration (with shock absorption) 85-100 dB: Relatively stable vibration noise, with basic shock absorption
Fully Automatic Hydraulic Cement Brick Machine: Hydraulic Pressing 75-90 dB: Primarily medium- and low-frequency noise, more stable noise levels
Note: my country's "Environmental Noise Emission Standards for Industrial Enterprises at Factory Boundaries" (GB 12348-2008) stipulates that the daytime noise limit at industrial factory boundaries is 60-70 dB (depending on the functional area). The inherent noise of cement brick machines generally needs to be reduced through control measures to meet factory boundary standards.

III. Key Factors Affecting Noise Levels
Equipment Structural Design:
Whether the frame utilizes a "vibration-absorbing structure" (such as rubber shock pads or spring dampers) directly affects the transmission of vibration noise.
Whether the hydraulic system utilizes a "low-noise hydraulic pump" and "silencer valve," or whether it has an oil noise reduction circuit, can significantly reduce hydraulic noise.
Production Process and Raw Materials:
Excessive moisture content or uneven particle size in the raw materials can increase friction noise during mixing and may also cause equipment load fluctuations during pressing, exacerbating noise.
Excessive pressing pressure (such as when producing high-strength solid bricks) increases the load on the hydraulic system or vibration motor, increasing noise by 5-10dB.
Equipment Maintenance:
Worn vibration motor bearings, oil leaks in the hydraulic system, and excessive gear play can cause a sudden increase in noise by 10-15dB.
Regular lubrication and replacement of aging components can maintain low-noise operation. IV. Common Noise Control Measures
To reduce the impact of cement brick machines on the surrounding environment and operators, the industry typically implements measures from three perspectives: the source, the transmission path, and the receptors:

Source Noise Reduction
Preferably, fully automatic hydraulic cement brick machines (which have lower inherent noise) or mechanical vibration equipment with variable-frequency vibration motors (which can adjust the vibration frequency according to the raw materials to reduce ineffective noise);
For core noise sources such as vibration motors and hydraulic pumps, install soundproof enclosures or silencers (e.g., a silencer pipe at the hydraulic pump outlet).

Transmission Noise Reduction
Vibration-Isolating Treatments: For example, reinforced concrete vibration-isolating platforms and vibration-absorbing rubber pads are used to reduce the transmission of vibration to the ground and factory structure;
Soundproof walls and sound-absorbing foam are installed in the factory, or (for outdoor production) soundproof barriers are installed to reduce the spread of noise. Operator Protection
Operators should wear "noise-blocking earplugs/earmuffs" (complying with GB/T 23466-2009) to avoid prolonged exposure to high noise levels (my country's "Occupational Exposure Limits for Hazardous Factors in the Workplace" stipulates a daily noise exposure limit of 85dB for 8 hours).
In summary, the noise level of a cement brick machine should be determined based on the specific equipment type and usage scenario. Hydraulic and fully automatic equipment generally produces lower noise levels than mechanical vibration and semi-automatic equipment. Through appropriate equipment selection, structural optimization, and noise reduction measures, noise levels can be controlled within regulatory limits, minimizing impacts on the environment and personnel.

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