Grinder

Shandong Huaang Engineering Equipment Co., Ltd. : Your Professional Grinder Manufacturer!

Shandong Huaang Engineering Equipment Co., Ltd. was established in 2017, the company is mainly engaged in a series of products such as concrete laser leveling machine, road machinery, construction machinery, agricultural machinery, etc., and is a High-Tech enterprise integrating R&D, production, sales, after-sales and service.

Why choose us?

Advanced equipment

By the end of 2023, the company is equipped with various production lines such as 2-wheel, 4-wheel, telescopic arm laser leveling machine, with a total production capacity of up to 1,000 units.

Quality control

With years of accumulation and multiple differentiated advantages, Huaang brand has passed the ISO9001 quality management system, European standard safety CE certification, etc.

Professional team

The company has a professional R&D team and more than 100 senior technicians. The company has won the honors of advanced enterprise, leapfrog development enterprise, young entrepreneur cash unit and so on.

Sales market

We have established cooperation with several brand-new platform and expanded our market to south-east Asia like Malysia, Philippine, Singapore, Thailand, Vietnam etc.

Benefits of Grinder

01/

Restore concrete surfaces
Grinding concrete removes all imperfections and inconsistencies in the concrete, resulting in a smooth and usable surface. Old and damaged concrete surfaces can be restored to their former glory and used for years and years to come.

02/

Remove paint, epoxies, dirt
Grinding removes paint, epoxies, dirt and other remnants left on the concrete. The grinder rubs against the top layer of the floor leaving a smooth surface.

03/

Improves safety
Concrete grinding can enhance safety by transforming a rough and damaged floor into a smooth, hard surface, reducing the risk of injury for homeowners and visitors. Additionally, when applied to driveways, it can create a quieter and more slip-resistant surface for vehicles.

04/

Easily install flooring (tiles, floorboards, carpets etc.)
Once the grinding has been completed and the smooth surface is left, any type of flooring option can be installed with ease. Floor preparation is key in the longevity of any kind of flooring option.

Product Specifications

Motor power	15KW-20P
Motor brand	Brucker Motor, Germany
Inverter power	22KW
Inverter brand	Zhongchen 6400S
Voltage	380V
Electric current	16A
Frequency	50HZ
Water tank capacity	35L
Grinding width	700*700mm
Machine weight	360kg
Grinding disc speed	0-1500rpm
Transmission mode	Gear rotation
Lighting	LED light
Remarks	External vacuum cleaner

Components of Grinder

The main parts of a grinder are

Diamond

These are found in various strengths, shapes, and sizes. The size of the diamond is denoted in terms of grits which are found in various sizes denoted by grit numbers. These grits are useful in proper work optimization. The size of the diamond and the corresponding grit number is always inversely proportional to each other.

Bond

It fully supports the diamond utilized for grinding. During the grinding process, the bond goes through wearing in an arranged way so that the new diamond is vulnerable to grinding without the sudden breakage of the diamond. The choice of diamond grit and the bonds differ with the needed application.

Notes On Using Grinder

Choose the right cutting tool
Silicon carbide stripping wheels work well for topical concrete floor cleaning and scraping jobs. Diamond wheels can handle both light and heavy-duty jobs. Use a diamond wheel with a lower grit when aggressive grinding is required, and a higher grit for general-purpose grinding jobs and polishing. PCDs, or polycrystalline diamonds, are used for very aggressive applications such as removing industrial coatings.

Choose the right bond
Softer bonds are good for less abrasive surfaces, such as concrete made with river rock. Harder bonds are ideal for concretes with high sand content. Not sure what you’re working with? Start with a medium bond.

Check the level of the grinder discs
The goal is to have 100% surface contact. Hold the machine in place for several seconds, then look at the pattern it leaves. You should see a full circle ground into the surface. If you see a half-circle, follow the directions for adjusting the level of your grinder. If you’re working over a large area, perform the level test periodically and adjust the grinder level as necessary.

Plan your path
Electric cords and hoses can get in the way when you’re using a concrete grinder. Plan your path to make sure you stay connected without getting tangled up.

Create a plan to control dust
It’s important to understand how to reduce dust when grinding concrete. If you’re working indoors, seal doorways with plastic sheeting and remove or protect furniture. Consider moistening the floor with a water sprayer. Use an industrial dry/wet concrete dust vacuum to suck up any debris and dust.

Wear appropriate PPE
Wear safety glasses or goggles, and add a face shield if necessary. Safety boots, knee pads and gloves are also smart. To protect your lungs from crystalline silica, wear a dust mask or respirator.

Packaging & Shipping

productcate-1184-403

Certifications

FAQ

Q: What are the main applications of a grinder?

A: Concrete grinders are used for a variety of applications, including removing surface imperfections such as bumps, ridges, and old coatings; leveling uneven concrete floors; preparing concrete surfaces for the application of new coatings like epoxy or paint; and creating a polished or decorative finish on concrete.

Q: How does a grinder work?

A: The grinder's motor rotates the grinding head at high speed. The abrasive discs or wheels on the grinding head come into contact with the concrete surface. As the grinder moves across the surface, the abrasive action wears away the concrete, removing material and achieving the desired smoothing, leveling, or polishing effect.

Q: What are the different types of grinders?

A: There are hand - held concrete grinders, which are portable and suitable for small - scale or detail work. Walk - behind concrete grinders are larger and more powerful, designed for covering larger areas of concrete more efficiently. There are also ride - on concrete grinders, which are the largest and most productive, often used for very large commercial or industrial concrete floors.

Q: How do I choose between a hand - held and a walk - behind concrete grinder?

A: If you have a small area to work on, such as a bathroom floor, a patio corner, or for doing detailed edge work, a hand - held grinder is a better choice. It is more maneuverable in tight spaces. For larger areas like a garage floor, a warehouse, or a large commercial building lobby, a walk - behind grinder is more efficient as it can cover more area in less time and provides more even grinding over a large expanse.

Q: What types of abrasive discs are used in grinders?

A: There are diamond - impregnated discs, which are very hard and durable, and are excellent for grinding through tough concrete surfaces. There are also resin - bonded abrasive discs that are more flexible and can be used for lighter grinding or for finishing work. Silicon carbide abrasive discs are also sometimes used, especially for softer concrete or for initial rough grinding.

Q: How can I control the dust when using a grinder?

A: Use a dust collection system, either a vacuum attachment that comes with the grinder or a separate industrial - grade vacuum. Seal off the work area as much as possible to prevent dust from spreading. Also, wet grinding can be an option in some cases, although it has its own set of considerations and may not be suitable for all applications.

Shandong Huaang Engineering Equipment Co.,Ltd is well-known as one of the leading grinder manufacturers and suppliers in China. If you're going to buy discount grinder made in China, welcome to get quotation from our factory. For price consultation, contact us.

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