广州青秦禹环保科技有限公司

广州青秦禹环保科技有限公司

EN

language

NEWS

Blog 



Knowledge

Company News

Industry News

FAQ

Home

Knowledge

Take you to explore the features of grinding machine products.

11

2023-10

Take you to explore the features of grinding machine products.

Product Features: 1. Equipped with an imported switch featuring overload protection, as well as phase-loss and leakage protection functions. 2. Comes with a vacuum cleaner connection device, ensuring a dust-free working environment. 3. Offers fast rotation speed, enabling long-lasting operation with high grinding efficiency. 4. Can be fitted with an additional 12kg counterweight for effectively polishing old epoxy floors. 5. Allows adjustable control over the depth of floor grinding. 6. Available in four types of diamond grinding discs—extra coarse, coarse, medium, and fine—where the extra-coarse disc is especially ideal for removing old epoxy flooring. 7. Optional combination grinding blocks are available at an affordable price. 8. Features shock-absorbing components crafted from aerospace-grade rubber material, offering flexibility and exceptional durability.

2023-10-11

What does "oL2" mean on the frequency converter display of a floor grinder or concrete grinder? Why won’t the machine start, and how can this issue be resolved?

09

2023-10

What does "oL2" mean on the frequency converter display of a floor grinder or concrete grinder? Why won’t the machine start, and how can this issue be resolved?

Here's the situation: 1. The ground is extremely uneven, creating significant resistance for the grinding disc and placing excessive load on the motor. 2. If this occurs during the first-time use of a new machine, it may indicate that the speed regulator has already been set to its maximum rotational speed. Alternatively, the new grinding discs or plates might not have undergone initial roughing—specifically, they could still be pressed too firmly onto a rough, hard surface, resulting in immense resistance for the grinding disc and overloading the motor. 3. If this issue arises after servicing the gearbox and performing an initial test run, it could mean that the gears were improperly assembled, perhaps tightened too much, causing the grinding disc to rotate unevenly by hand. Another possibility is that, during assembly, the motor was fixed in place before aligning the motor shaft with the central gear, leading to misalignment and uneven rotation. This misalignment can impede the rotor’s movement, causing the motor to stall or "catch." Suggested solutions: 1. Lift the machine slightly and move it to a smoother section of the ground for grinding, then gradually resume working on the particularly uneven areas. Alternatively, use another smaller grinding device to lightly smooth out the rough, pitted sections of the ground before proceeding with your main machine. 2. Roughen the grinding discs directly on a cement surface by applying downward pressure while holding the handlebars. Then, lift the machine slightly off the ground (just enough to disengage the grinding disc from the surface), start the motor, and slowly lower the machine back onto the ground. 3. Disassemble and reassemble the gears or reinstall the motor properly to ensure smooth rotation of both the gears and the grinding disc. Make sure the motor shaft aligns concentrically with the central gear after insertion. Finally, suspend the motor and gearbox assembly, power on the motor, and verify that all components—including the motor, gears, and grinding disc—rotate smoothly. After shutting down, manually check that the grinding disc turns freely without any resistance.

2023-10-09

Metech Multi-Functional Grinder

08

2023-10

Metech Multi-Functional Grinder

The Metechi Multi-Functional Floor Grinder is designed for polishing concrete floors, offering lightweight and flexible operation. It features an integrated grinding and vacuuming system, significantly reducing labor costs by combining grinding and dust collection into one seamless process—allowing you to grind and vacuum simultaneously, thus creating a clean, dust-free working environment. When paired with sandpaper discs, the grinder can also be used to smooth epoxy filler layers, minimizing wear on the epoxy surface while enhancing the overall flatness of the epoxy floor. Additionally, when equipped with a resin drive plate and resin abrasive pads, it’s ideal for grinding and polishing during the application of liquid hardeners. The rubber connector used to attach the grinding disc completely eliminates vibrations that may occur over time due to mechanical wear, ensuring stable and reliable performance throughout extended use.

2023-10-08

MG4P-480 Multi-Functional Floor Grinding Machine

07

2023-10

MG4P-480 Multi-Functional Floor Grinding Machine

The MTQ-branded MG4P-YY-580 Multi-Functional Floor Grinder meets the needs of professional users seeking enhanced efficiency in large-scale industrial floor grinding applications, offering exceptional value for money. It’s ideal for tasks such as grinding and renovating marble, granite, and concrete floors. Product Features: 1. Sleek, modern design that’s both stylish and elegant. 2. Foldable handle with an integrated central control panel, ensuring convenient, safe, and ergonomic operation—plus easy handle movement for added convenience. 3. High-power (7.5 HP) variable-frequency motor designed to withstand the demands of prolonged, heavy-duty industrial floor grinding. 4. Automatic pressure-adjustment control system, tailored to meet the requirements of various construction processes. 5. Optional dust extraction system available, enabling seamless switching between dry and wet working modes. 6. Twist-style water-release switch paired with a central water-dispensing system on the grinding disc, effectively minimizing secondary wear of abrasive materials and preventing unsightly grinding marks during operation—boosting productivity significantly. 7. Versatile grinding discs compatible with a wide range of abrasive materials, helping you cut down on your overall project costs. For more information, please call Guangzhou Qingqinyu Environmental Technology Co., Ltd. We’re here to serve you with our utmost dedication! [Visit us online at](http://www.qingqinyu.com)

2023-10-07

How can you determine whether the gears of a floor grinding machine are functioning properly?

27

2023-09

How can you determine whether the gears of a floor grinding machine are functioning properly?

In floor grinding operations, the floor grinder is an essential piece of equipment. After prolonged use, operators may encounter certain malfunctions—among which gear rotation issues are particularly critical. So, how can you determine whether the gears in your floor grinder are functioning properly? 1. Listen carefully: A well-made floor grinder should operate with noise levels comparable to those of belt-driven systems. 2. Examine the materials: High-quality machines prioritize efficient heat dissipation during dry grinding, which is why they often opt for aluminum alloy components. 3. Check the precision of gear meshing clearance: Manually rotate the grinding disc to assess the fit and ensure smooth operation. 4. Consider durability: The longevity of the grinder is closely tied to its housing design. After selecting the appropriate housing material, evaluate the weight of the grinding head itself. If you’re interested in Metengqi products, feel free to contact our service hotline at 13925069066 for more information!

2023-09-27

What are the performance differences between epoxy flooring and cured flooring?

27

2023-09

What are the performance differences between epoxy flooring and cured flooring?

Here's the translation: --- The performance comparison between epoxy flooring and hardened concrete flooring is as follows: 1. **Mechanical Performance Comparison**: Overall, epoxy flooring significantly outperforms hardened concrete flooring in terms of mechanical properties. It has inferior wear resistance, compressive strength, and impact resistance. In environments with high-intensity operations, epoxy floors are prone to peeling, scratching, and other surface issues. Additionally, black marks left by forklifts can be particularly difficult to remove. In contrast, hardened concrete flooring excels in mechanical durability, boasting a Mohs hardness rating as high as 7 to 8. This makes it virtually impervious to most impacts and heavy rolling loads, ensuring that even common industrial vehicles like trailers and forklifts leave no trace—no scratches or tire marks—on the hardened surface. 2. **Chemical Performance Comparison**: Epoxy flooring exhibits excellent chemical stability, making it one of the most effective barrier materials available. It provides long-lasting protection against water, acids, alkalis, gasoline, lubricants, and other corrosive substances. While hardened concrete flooring also offers strong chemical resistance, its ability to block off contaminants like water, acids, alkalis, oils, juices, stains, and algae is slightly weaker compared to epoxy. However, acidic substances still need prompt cleaning, as prolonged exposure may lead to visible marks over time. 3. **Waterproofing, Moisture Resistance, and Seepage Prevention**: Thanks to its robust barrier properties, epoxy flooring delivers outstanding waterproofing, moisture resistance, and seepage prevention, making it a superior choice for traditional waterproof flooring applications. That said, once scratched, its waterproof capabilities will sharply decline. On the other hand, hardened concrete flooring isn’t technically classified as a waterproof material, yet it still boasts impressive moisture-proof and seepage-resistant qualities. Industry standards often measure its waterproofing ability using the 24-hour penetration reduction test, and data from such tests clearly demonstrate its remarkable water-repellent performance. 4. **Aesthetic Appeal**: Epoxy flooring utilizes epoxy resin—a paint-like material—resulting in a glossy, highly reflective finish that exudes a sleek, polished look. In contrast, hardened concrete flooring incorporates advanced polishing techniques, creating a striking mirror-like surface that conveys a solid, durable aesthetic. 5. **Safety Comparison**: In terms of environmental safety, hardened concrete flooring is made from non-toxic, water-based inorganic materials, making it entirely safe for residential use without any health concerns. Meanwhile, while epoxy resin itself is non-toxic, the curing agents used alongside it—including carcinogenic compounds like MDA, TDI, and MDI—are hazardous and can linger within the epoxy coating, gradually releasing harmful fumes over time. Regarding fire safety, hardened concrete flooring achieves the highest fire-resistance rating—Class A1—making it highly resistant to flames under extreme conditions. In contrast, epoxy flooring lacks inherent fire-retardant properties and can easily ignite when exposed to high temperatures. As for static electricity control, certain specialized types of epoxy flooring—such as anti-static epoxy resins—can effectively prevent static buildup. However, hardened concrete flooring, when properly installed without additional epoxy coatings, can achieve antistatic properties simply through the application of conductive cement mortars during construction. 6. **Service Life**: The saying "it’s a double-edged sword" perfectly captures the trade-off in epoxy flooring: while its exceptional barrier properties make it incredibly durable, this same characteristic ultimately limits its longevity due to poor breathability. Rising groundwater vapor beneath the floor can easily cause bubbling, cracking, and delamination in epoxy systems. Typically, epoxy flooring lasts only 2 to 3 years, though lower-quality versions may degrade even faster, leading to higher replacement costs. In stark contrast, hardened concrete flooring boasts an impressively long service life of 20 to 30 years—or even longer under optimal maintenance conditions. In fact, with proper care, its lifespan can approach a near-permanent level, aligning seamlessly with the overall lifecycle of the building itself.

2023-09-27

Flooring Machinery Repair and Maintenance

26

2023-09

Flooring Machinery Repair and Maintenance

Floor grinding machines are widely used for roughening and smoothing uneven surfaces, removing sealants, paints, and old epoxy coatings from concrete floors, as well as for innovative surface treatments on various materials like resins and adhesives. After operating the floor grinding machine for a while, if you notice reduced power, you can loosen the base screws and adjust the belt tensioning screw accordingly. If the machine frequently shuts off automatically during operation, check whether the power cord is a standard 4-square-millimeter wire compliant with national regulations, and ensure that the cord is fully extended—never coiled together. Additionally, inspect the white connecting wire inside the overload/leakage protection switch; make sure it’s securely connected. If the belt remains tight but the motor spins while the grinding disc fails to rotate, it’s likely that the belt pulley has become loose. In this case, simply open the front cover and reinstall the belt pulley properly. If the machine exhibits noticeable vibrations, first verify that the rubber anti-vibration pads under the grinding disc haven’t come loose or cracked. If they’ve detached, add spacers and tighten them securely. If the pads are cracked, replace them immediately. Alternatively, vibrations may also result from an unbalanced grinding tool caused by one of the triangular plates beneath the grinding disc lacking its attached abrasive attachment. In such cases, promptly replace the grinding tool to eliminate the imbalance and prevent further vibration. While operating the machine, always ensure the grinding stone is firmly secured with screws to prevent it from flying off during use. Safety should always be your top priority!

2023-09-26

< 1...51 52 53...156 >

广州青秦禹环保科技有限公司

Follow us

微信公众号

WeChat Official Account

业务联系

Business Contact

WhatsApp Business Contact

York@qingqinyu.com

Sales@qingqinyu.com

Room 1010, South Tower, XinDacheng Plaza, 27 Erheng Road, Shuiyin Road, Yuexiu District, Guangzhou, China

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

required

These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

analyze

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

Feature

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

advertise

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.

Powered by:www.300.cn