Technical field
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The present invention relates to optical mirror slip Roughing and fine machining technical field, especially, relate to a kind of resin-bonded formulation diamond lap pad and preparation method thereof.
Background technology
At present, most domestic optical glass producing enterprise starts to gradually adopt solidified abrasive grinding to replace traditional free abrasive dust grinding technics, solidified abrasive grinding technique has higher working (machining) efficiency and product surface quality, and converted products cutting force is stablized, and can effectively reduce production cost.Therefore, the research of solidified abrasive grinding pad has become the focus of attrition process industry, Lens Technology Co., Ltd. has applied for a kind of epoxide resin type diamond lap pad and preparation method thereof (CN.8), this preparation method is easy and simple to handle, efficiency is high, obtained grinding pad structure is simple, grinding efficiency is high, but there is the problems such as cost of material is high, fold resistance is poor, poor flatness.
Therefore, process improving to be carried out for above problem.
Summary of the invention
The object of the invention is to provide a kind of resin-bonded formulation diamond lap pad and preparation method thereof, and to solve, existing solidified abrasive grinding pad fold resistance is poor, the technical problem of poor flatness.
For achieving the above object, the invention provides a kind of resin-bonded formulation diamond lap pad, described diamond lap pad is followed successively by the PC flaggy of the diamond bed of material, nonwoven layer, adhesive layer, PET film layer, two-sided attached glue from top to bottom; The described diamond bed of material is that the square abrasive block that, gradient increased temperature hot-press solidifying shaping by die casting, precuring by following mass percent component raw material is made is formed:
Resinoid bond 40 ~ 50%;
Diamond 2 ~ 15%;
Wollastonite 35 ~ 45%;
Molybdenum bisuphide 3 ~ 8%;
Aerosil 0.5 ~ 2.5%;
Consisting of of described binding agent: carbon nano-fiber 10 ~ 20%, flexible epoxy resinoid 35 ~ 50%, acid anhydride type curing agent 35 ~ 40%, promoter 0.5 ~ 1%.
Preferably, the diameter of the carbon nano-fiber in binding agent is 50 ~ 200nm, and draw ratio is 1:50 ~ 1:200.
The preparation method of above-mentioned resin-bonded formulation diamond lap pad comprises step:
A, resinoid bond, diamond, wollastonite, molybdenum bisuphide, aerosil are mixed after be filled in mould, after being shakeout on mixed material surface populated in mould, carry out froth in vacuum process; Vacuum values is-92 ~-99Kpa;
B, to shakeout further again, carry out precuring subsequently shaping;
C, after precuring gel, gel surface pastes layer of non-woven fabric, then brush a layer binder equably on non-woven fabrics, and paste PET film, be placed in curing oven and carry out gradient increased temperature hot-press solidifying, cooling and demolding;
Consisting of of described binding agent: carbon nano-fiber 10 ~ 20%, flexible epoxy resinoid 35 ~ 50%, acid anhydride type curing agent 35 ~ 40%, promoter 0.5 ~ 1%;
D, paste on the PC plate of two-sided attached glue again, cutting and get final product.
Preferably, described in steps A, froth in vacuum is treated to: put into froth in vacuum machine process 2 ~ 5 times, each 30 ~ 50min, temperature is 50 ~ 65 DEG C.
Preferably, the precuring condition described in step B is 70 ~ 90 DEG C, keeps 1 ~ 2h.
Preferably, described in step C, the condition of gradient increased temperature hot-press solidifying is: 90 ~ 105 DEG C, keeps 0.3 ~ 0.7h; 110 ~ 120 DEG C, keep 0.3 ~ 0.7h; 125 ~ 140 DEG C, keep 1.5 ~ 3h.
The present invention has following beneficial effect:
The present invention adopts the shaping and grinding pad backing layer brush coating technique of unique precuring, obtained grinding pad inside is filled full, without cavity, greatly strengthen anti-wear performance and the stock-removing efficiency of grinding pad, the flexible adhesion oxidant layer that grinding pad backing layer one deck contains carbon nano-fiber replaces original tiling bed of material, high strength will be had, the carbon nano-fiber of the mechanical property such as high resiliency and high rigidity applies in the gum technique of grinding pad, greatly save the cost of raw material, improve the anti-folding of grinding pad, shock-resistant ability, and improve the surface quality of abrasive product, be conducive to the raising of product yield.
The grinding pad pliability that the present invention proposes, the modification method of fold resistance is easy and simple to handle, efficiency is high, cost reduces about 30%, and obtained diamond lap pad pliability is better, and its anti-folding and impact strength all have and promote significantly.
In addition, it is all cheap convenient source that the present invention also has important feature to be the raw material adopted, and source is wide, greatly reduces the cost of product; Preparation technology's technique of the present invention is simple, easy and simple to handle, low cost, is applicable to suitability for industrialized production.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the preferred embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the preferred embodiment of the present invention;
Wherein, 1, diamond square abrasive block layer, 2, Buddha's warrior attendant building stones tiling layer, 3, nonwoven layer, 4, adhesive layer, 5, PET film layer, 6, the PC flaggy of two-sided attached glue.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can limit according to claim and cover is implemented.
See Fig. 1, the invention provides a kind of resin-bonded formulation diamond lap pad, be followed successively by the PC flaggy of the diamond bed of material, nonwoven layer, adhesive layer, PET film layer, two-sided attached glue from top to bottom; The described diamond bed of material is that the square abrasive block that, gradient increased temperature hot-press solidifying shaping by die casting, precuring by following mass percent component raw material is made is formed:
Resinoid bond 40 ~ 50%;
Diamond 2 ~ 15%;
Wollastonite 35 ~ 45%;
Molybdenum bisuphide 3 ~ 8%;
Aerosil 0.5 ~ 2.5%.
Wherein, the consisting of of binding agent: carbon nano-fiber 10 ~ 20%, flexible epoxy resinoid 35 ~ 50%, acid anhydride type curing agent 35 ~ 40%, promoter 0.5 ~ 1%.The diameter of carbon nano-fiber is 50 ~ 200nm, and draw ratio is 1:50 ~ 1:200.
Carbon nano-fiber (Carbonnanofibers, CNF) is the standard dimension material with carbon element of diameter between nano-sized carbon bamboo and common carbon fibers, and compact structure, has higher intensity; Its mechanical property shows that each carbon atom and surrounding 3 atoms combine with covalent bond, forms tight structure; And its two ends are closed, there is no unsettled chemical bond, make the stability of total stronger, charge forces between the carbon atom of nanoscale in addition, make carbon nano-fiber have the mechanical properties such as high strength, high resiliency and high rigidity, use these useful mechanical properties of carbon fiber in the gum technique of grinding pad, pliability and the flexural capacity of grinding pad can be significantly improved, and the draw ratio of carbon nano-fiber is larger, its pliability is better.
See Fig. 2, the modification method of resin-bonded formulation diamond abrasive tool pliability of the present invention, fold resistance, comprises the following steps:
1) batch mixing: after each powder material drying of diamond layer, sieve, selects the particle of required large small particle diameter; Each powder material screening obtained by proportioning and liquid charging stock join in material cup, and use vacuum planetary stirring machine to stir, the time is 6 ~ 12min, and mixer rotating speed is 400rpm/2 ~ 4min, 500rpm/2 ~ 4min, 600rpm/2 ~ 4min.
2) pour into a mould: by 1) raw material mixed of gained, be filled in the square groove bottom grinding pad silicon rubber mould, and surface is scraped smooth after, put into froth in vacuum machine process 2 ~ 5 times, each 30 ~ 50min, vacuum values is-92 ~-99KPa, and temperature is 50 ~ 65 DEG C, get rid of the bubble in square groove and in batch mixing, allow batch mixing be filled into completely in square groove; After froth in vacuum, further raw material surface is shakeout;
3) precuring is shaping: by 2) surface shakeout after raw material layer to carry out precuring shaping, precuring condition is 70 ~ 90 DEG C, keeps 1 ~ 2h;
4) PET film is pasted: by 3) raw material layer surface mount layer of non-woven fabric after precuring, and at uniformly brushing one deck bonding agent of non-woven fabrics, and paste PET film;
5) hot-press solidifying: 4) smoothly in the PET film that posts cover five layers of glass plate, move in curing oven and be cured, the condition of hot-press solidifying is: at 90 ~ 105 DEG C, keeps 0.3 ~ 0.7h; 110 ~ 120 DEG C, keep 0.3 ~ 0.7h; 125 ~ 140 DEG C, keep 1.5 ~ 3h; After having solidified, naturally cool to room temperature, the demoulding;
6) PC plate is pasted: 4) the grinding pad PET film layer that obtains sticks PC plate, compress with cylinder;
7) cutting: use PET film, PC plate portion that the cutting of plastic uptake die-cutting machine is unnecessary, cutting is shaping.
Specific embodiment is as follows:
Embodiment 1
1) batch mixing: take each raw material by mass percentage, resinoid bond 45%, diamond 10%, wollastonite 39%, molybdenum bisuphide 5%, aerosil 1%, wherein, diamond average grain diameter is 20 μm; Wollastonite average grain diameter 16 μm; Molybdenum bisuphide average grain diameter is 10 μm; The average grain diameter of aerosil is 100nm.Pour into disposable for each raw material taken in material cup, use vacuum planetary stirring machine to stir, the time is 6min, and mixer rotating speed is 400rpm/2min, 500rpm/2min, 600rpm/2min.
2) pour into a mould: by 1) raw material mixed of gained, be filled in the square groove bottom grinding pad silicon rubber mould, and surface is scraped smooth after, put into froth in vacuum machine process 3 times, each 30min, vacuum values is-92KPa, and temperature is 50 DEG C, get rid of the bubble in square groove and in batch mixing, allow batch mixing be filled into completely in square groove; After froth in vacuum, further raw material surface is shakeout;
3) precuring is shaping: by 2) surface shakeout after raw material layer to carry out precuring shaping, precuring condition is 80 DEG C, keeps 1h;
4) PET film is pasted: paste PET film: by 3) raw material layer surface mount layer of non-woven fabric after precuring, ensure that non-woven fabrics and the bed of material permeate completely, brush a layer binder equably and paste PET film, binding agent consists of: carbon nano-fiber 10%, epoxylite 50%, acid anhydride type curing agent 39%, promoter 1%, wherein carbon nano-fiber diameter is 100nm, and draw ratio is: 1:50;
5) hot-press solidifying: 4) the smooth glass plate of the PET film upper cover five layers that posts, move in curing oven and be cured, the condition of hot-press solidifying is: at 100 DEG C, keeps 0.5h; 120 DEG C, keep 0.5h; 130 DEG C, keep 2h; After having solidified, naturally cool to room temperature, the demoulding;
6) PC plate is pasted: 5) the grinding pad PET film layer that obtains sticks PC plate, compress with cylinder;
7) cutting: use PET film, PC plate portion that the cutting of plastic uptake die-cutting machine is unnecessary, cutting is shaping.
Embodiment 2
1) batch mixing: take each raw material by mass percentage, resinoid bond 45%, diamond 10%, wollastonite 39%, molybdenum bisuphide 5%, aerosil 1%, wherein, diamond average grain diameter is 20 μm; Wollastonite average grain diameter 16 μm; Molybdenum bisuphide average grain diameter is 10 μm; The average grain diameter of aerosil is 100nm.Pour into disposable for each raw material taken in material cup, use vacuum planetary stirring machine to stir, the time is 6min, and mixer rotating speed is 400rpm/2min, 500rpm/2min, 600rpm/2min.
2) pour into a mould: by 1) raw material mixed of gained, be filled in the square groove bottom grinding pad silicon rubber mould, and surface is scraped smooth after, put into froth in vacuum machine process 3 times, each 30min, vacuum values is-96KPa, and temperature is 50 DEG C, get rid of the bubble in square groove and in batch mixing, allow batch mixing be filled into completely in square groove; After froth in vacuum, further raw material surface is shakeout;
3) precuring is shaping: by 2) surface shakeout after raw material layer to carry out precuring shaping, precuring condition is 80 DEG C, holds 2h;
4) PET film is pasted: paste PET film: by 3) raw material layer surface mount layer of non-woven fabric after precuring, ensure that non-woven fabrics and the bed of material permeate completely, brush a layer binder equably and paste PET film, binding agent consists of: carbon nano-fiber 16%, epoxylite 44%, acid anhydride type curing agent 39%, promoter 1%, wherein carbon nano-fiber diameter is 200nm, and draw ratio is: 1:100;
5) hot-press solidifying: 4) the smooth glass plate of the PET film upper cover five layers that posts, move in curing oven and be cured, the condition of hot-press solidifying is: at 100 DEG C, keeps 0.5h; 120 DEG C, keep 0.5h; 130 DEG C, keep 2h; After having solidified, naturally cool to room temperature, the demoulding;
6) PC plate is pasted: 5) the grinding pad PET film layer that obtains sticks PC plate, compress with cylinder;
7) cutting: use PET film, PC plate portion that the cutting of plastic uptake die-cutting machine is unnecessary, cutting is shaping.
Embodiment 3:
1) batch mixing: take each raw material by mass percentage, resinoid bond 45%, diamond 10%, wollastonite 39%, molybdenum bisuphide 5%, aerosil 1%, wherein, diamond average grain diameter is 20 μm; Wollastonite average grain diameter 16 μm; Molybdenum bisuphide average grain diameter is 10 μm; The average grain diameter of aerosil is 100nm.Pour into disposable for each raw material taken in material cup, use vacuum planetary stirring machine to stir, the time is 6min, and mixer rotating speed is 400rpm/2min, 500rpm/2min, 600rpm/2min.
2) pour into a mould: by 1) raw material mixed of gained, be filled in the square groove bottom grinding pad silicon rubber mould, and surface is scraped smooth after, put into froth in vacuum machine process 3 times, each 30min, vacuum values is-94KPa, and temperature is 50 DEG C, get rid of the bubble in square groove and in batch mixing, allow batch mixing be filled into completely in square groove; After froth in vacuum, further raw material surface is shakeout;
3) precuring is shaping: by 2) surface shakeout after raw material layer to carry out precuring shaping, precuring condition is 80 DEG C, keeps 2h;
4) PET film is pasted: paste PET film: by 3) raw material layer surface mount layer of non-woven fabric after precuring, ensure that non-woven fabrics and the bed of material permeate completely, brush a layer binder equably and paste PET film, binding agent consists of: carbon nano-fiber 20%, epoxylite 39%, acid anhydride type curing agent 40%, promoter 1%, wherein carbon nano-fiber diameter is 150nm, and draw ratio is: 1:200;
5) hot-press solidifying: 4) the smooth glass plate of the PET film upper cover five layers that posts, move in curing oven and be cured, the condition of hot-press solidifying is: at 100 DEG C, keeps 0.5h; 120 DEG C, keep 0.5h; 130 DEG C, keep 2h; After having solidified, naturally cool to room temperature, the demoulding;
6) PC plate is pasted: 5) the grinding pad PET film layer that obtains sticks PC plate, compress with cylinder;
7) cutting: use PET film, PC plate portion that the cutting of plastic uptake die-cutting machine is unnecessary, cutting is shaping.
Embodiment 4:
1) batch mixing: take each raw material by mass percentage, resinoid bond 40%, diamond 15%, wollastonite 35%, molybdenum bisuphide 8%, aerosil 2%, wherein, diamond average grain diameter is 20 μm; Wollastonite average grain diameter 16 μm; Molybdenum bisuphide average grain diameter is 10 μm; The average grain diameter of aerosil is 100nm.Pour into disposable for each raw material taken in material cup, use vacuum planetary stirring machine to stir, the time is 6min, and mixer rotating speed is 400rpm/2min, 500rpm/2min, 600rpm/2min.
2) pour into a mould: by 1) raw material mixed of gained, be filled in the square groove bottom grinding pad silicon rubber mould, and surface is scraped smooth after, put into froth in vacuum machine process 3 times, each 30min, vacuum values is-99KPa, and temperature is 50 DEG C, get rid of the bubble in square groove and in batch mixing, allow batch mixing be filled into completely in square groove; After froth in vacuum, further raw material surface is shakeout;
3) precuring is shaping: by 2) surface shakeout after raw material layer to carry out precuring shaping, precuring condition is 80 DEG C, keeps 2h;
4) PET film is pasted: paste PET film: by 3) raw material layer surface mount layer of non-woven fabric after precuring, ensure that non-woven fabrics and the bed of material permeate completely, brush a layer binder equably and paste PET film, binding agent consists of: carbon nano-fiber 10%, epoxylite 49%, acid anhydride type curing agent 40%, promoter 1%, wherein carbon nano-fiber diameter is 150nm, and draw ratio is: 1:200;
5) hot-press solidifying: 4) the smooth glass plate of the PET film upper cover five layers that posts, move in curing oven and be cured, the condition of hot-press solidifying is: at 100 DEG C, keeps 0.5h; 120 DEG C, keep 0.5h; 130 DEG C, keep 2h; After having solidified, naturally cool to room temperature, the demoulding;
6) PC plate is pasted: 5) the grinding pad PET film layer that obtains sticks PC plate, compress with cylinder;
7) cutting: use PET film, PC plate portion that the cutting of plastic uptake die-cutting machine is unnecessary, cutting is shaping.
Diamond lap pad after the improvement adopting each embodiment of the present invention to prepare grinds certain glass material under identical processing conditions with the diamond lap pad of old technology, and grinding pad performance and the contrast of converted products performance parameter are as following table.
The properties of embodiment of the present invention grinding pad and old technology grinding pad contrasts
The company is the world’s best Wholesale Diamond Polishing Pads supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Diamond Polishing Pads for Concrete: A Comprehensive Guide
Introduction
Understanding Diamond Polishing Pads
Types of Diamond Polishing Pads
Factors to Consider When Choosing Diamond Polishing Pads
How to Use Diamond Polishing Pads for Concrete
Tips and Techniques for Achieving a High-Gloss Finish
Maintaining and Extending the Life of Diamond Polishing Pads
Introduction
Welcome to our comprehensive guide on diamond polishing pads for concrete. In this article, we will provide you with all the information you need to know about these essential tools for achieving a high-gloss finish on concrete surfaces.
ZL-16AD Concrete Dry Floor Diamond Polishing Pads
Diamond polishing pads are specifically designed to polish rough concrete surfaces, providing an extended lifespan and a superior finish. They are made with industrial diamonds bonded with resin, allowing them to effectively smooth and polish materials such as marble, granite, terrazzo, limestone, and sandstone.
Choosing the right diamond polishing pad is crucial to achieving the desired results and getting the most value for your money. There are various types of pads available on the market, each designed for specific tasks such as heavy stock removal, general honing, or achieving a high gloss.
In this guide, we will discuss the different types of diamond polishing pads, factors to consider when selecting the right pad, and provide step-by-step instructions on how to use them for concrete polishing. We will also share tips and techniques for achieving a shiny, glass-like finish and provide maintenance tips to extend the life of your diamond polishing pads.
Whether you are a professional contractor or a DIY enthusiast, this guide will equip you with the knowledge and expertise to achieve professional-quality results with diamond polishing pads for concrete. So let's dive in and discover the secrets to achieving a flawless finish on your concrete surfaces.
Understanding Diamond Polishing Pads
Diamond polishing pads are essential tools for achieving a smooth and glossy finish on concrete surfaces. These pads consist of industrial diamonds bonded with resin, and they are specifically designed for polishing materials such as marble, granite, terrazzo, limestone, and sandstone. The polishing process involves a series of steps, starting with the lowest-grit pad and gradually progressing to higher grits.
When it comes to the longevity and effectiveness of diamond polishing pads, the quality of the pads is crucial. Higher-quality pads can last up to approximately 15,000 square feet of polishing, while cheaper alternatives may only last between 5,000 to 10,000 square feet. It's important to invest in quality pads to ensure optimal results and avoid frequent replacements.
Using diamond polishing pads requires time, patience, and attention to detail. Skipping any steps in the process can compromise the final outcome. To begin, it is recommended to purchase a set of high-quality diamond polishing pads and a compatible backing pad. These pads should be attached to a variable speed wet/dry grinder, ensuring that the work surface is securely in place.
The polishing process starts with the lowest-grit pad, typically 50 grit, and progresses through higher grits such as 100, 200, and 400. Each step involves polishing the surface in a left-to-right motion at a low speed, usually less than 1,000 RPM. The goal is to remove saw marks and scratches gradually, achieving a smoother surface with each grit change. As the grits progress, the concrete surface will start to shine and develop a glass-like finish.
To achieve a high-gloss finish, it is essential to progress through grits such as 800, 1,000, and 1,500. Each step contributes to refining the surface and enhancing its shine. Finally, finishing with a 1,500 grit pad will result in a shiny, glassy appearance.
Proper maintenance and care of diamond polishing pads can significantly extend their lifespan. Regular cleaning and removal of debris are essential to prevent clogging and maintain optimal performance. Additionally, following manufacturer guidelines and recommendations for pad usage and storage will ensure their longevity.
In summary, understanding the purpose, quality, and proper usage of diamond polishing pads is crucial for achieving exceptional results when polishing concrete surfaces. Investing in high-quality pads, following the step-by-step process, and maintaining the pads properly will contribute to a smooth, glossy finish that enhances the overall aesthetic of the concrete.
Types of Diamond Polishing Pads
When it comes to diamond polishing pads for concrete, there are various types available on the market. Each type is designed to cater to different needs and achieve specific results. Understanding the different types can help you choose the right pad for your concrete polishing project. Here are some common types of diamond polishing pads:
Dry Polishing Pads: These pads are designed for use with dry polishing methods. They are typically used for light polishing and maintenance work. Dry polishing pads are known for their convenience and ease of use.
Wet Polishing Pads: As the name suggests, these pads are used with water during the polishing process. Wet polishing pads are ideal for achieving a high-gloss finish on concrete surfaces. They are commonly used for heavy-duty polishing and restoration projects.
Hybrid Polishing Pads: These pads combine the benefits of both dry and wet polishing pads. They can be used with or without water, depending on the desired result. Hybrid polishing pads are versatile and suitable for a wide range of concrete polishing applications.
Resin Pads: Resin pads are known for their durability and long lifespan. They are designed to withstand the demanding nature of concrete surfaces. Resin pads are commonly used for heavy stock removal and aggressive polishing.
Sponge Pads: Sponge pads are soft and flexible, making them ideal for polishing curved surfaces and edges. They are often used for fine polishing and achieving a smooth, glass-like finish.
Polishing Pucks: These small, 3-inch pads are perfect for polishing tight spaces and corners. They are commonly used for spot polishing and detail work.
When selecting a diamond polishing pad, consider the specific requirements of your project. Factors such as the type of concrete, desired finish, and level of polishing will influence your choice. It's important to choose a pad that is compatible with your polishing equipment and suits your specific needs. By selecting the right type of diamond polishing pad, you can achieve professional results and maximize the lifespan of your pads.
Factors to Consider When Choosing Diamond Polishing Pads
When it comes to choosing the right diamond polishing pads for your concrete project, there are several important factors to consider. By understanding these factors, you can ensure that you select the pads that will provide the best results and value for your specific needs.
1. Task at Hand
First and foremost, it's crucial to assess the task you plan on accomplishing with the diamond polishing pads. Are you looking to remove heavy stock, perform general honing, or achieve a high-gloss finish? Each task requires a different type of pad, so understanding your specific goal will guide you in making the right choice.
2. Size and Thickness
The size and thickness of the pads also play a significant role in their performance. Larger diameter pads, such as 7" ones, are more stable on large, flat areas, while smaller diameter pads, like 3" and 4" ones, are better suited for edges and narrow sections. Additionally, thicker pads tend to last longer but may be stiffer, while thinner pads offer more flexibility.
3. Pattern
The pattern on the cutting surface of the pads is another crucial consideration. Pads with aggressive, open patterns and wide, deep channels are ideal for coarse honing and aggressive stock removal. On the other hand, pads with narrower channels are better for polishing, where minimal stock removal is required. Striking a balance between channel size and diamond-covered surface area ensures both flexibility and effective ejection of cuttings.
4. Diamond Quality
The quality of the diamonds used in the pads directly affects their cutting ability and overall performance. Higher-quality diamonds with a narrow gradation and high concentration provide better results and a longer lifespan. Cheaper pads, on the other hand, may use low-grade diamonds with more flaws and a broader gradation, resulting in lower surface quality and slower cutting.
5. Binder
The binder that holds the diamonds together is equally important. A binder that is too soft will wear away quickly, especially when processing abrasive materials like concrete. Resin binders are commonly used in wet polishing pads, while ceramic binders are often found in dry pads for better durability and resistance to high temperatures.
By considering these factors, you can confidently choose the right diamond polishing pads for your concrete project. Remember, investing in high-quality pads that are specifically designed for your task will ultimately save you time and money while achieving the desired results.
How to Use Diamond Polishing Pads for Concrete
Using diamond polishing pads for concrete is a multi-step process that requires careful attention to detail. By following these steps, you can achieve a high-gloss finish on your concrete surface.
Prepare the Surface: Before using diamond polishing pads, ensure that the concrete surface is clean and free of any debris or coatings. Use a pressure washer or a suitable cleaning solution to thoroughly clean the surface. Allow the concrete to dry completely before proceeding.
Choose the Right Grit: Diamond polishing pads come in various grit levels, ranging from coarse to fine. Start with a lower grit pad, such as 50 or 100, to remove any visible saw marks or scratches. Gradually progress to higher grit pads, such as 200, 400, 800, , and , to achieve a smooth and shiny finish.
Attach the Pads: Attach the diamond polishing pads to a variable speed wet/dry grinder. Make sure the backing pad is securely attached to the grinder. It is essential to follow the manufacturer's instructions for proper pad attachment.
Polishing Process: Begin the polishing process by using the lowest grit pad, typically 50 or 100. Polish the concrete surface from left to right at a low speed, preferably below 1,000 RPM. Continue polishing until most of the saw marks and scratches have been removed. Then, switch to the next higher grit pad and repeat the process. Repeat this step until you reach the desired level of smoothness and shine.
Finishing Touches: As you progress through higher grit pads, you will start to see the concrete surface shine. Finish the polishing process with a grit pad to achieve a glossy, glass-like finish. Take your time and be patient during this step to ensure a flawless result.
Remember to always follow safety guidelines and wear appropriate protective gear when using diamond polishing pads. Regularly clean the pads during the process to remove any buildup and maintain their effectiveness. With proper technique and the right diamond polishing pads, you can achieve stunning results on your concrete surfaces.
Tips and Techniques for Achieving a High-Gloss Finish
When it comes to achieving a high-gloss finish on concrete surfaces, there are several tips and techniques that can help you achieve the desired result. Here are some expert recommendations to consider:
Proper equipment and materials: Start by ensuring you have the right equipment and materials for the job. This includes a quality diamond polishing pad set and a backing pad. Attach the backing pads to a variable speed wet/dry grinder, and make sure the work surface is properly secured to prevent slipping.
Step-by-step process: Follow a step-by-step process to gradually polish the surface. Begin with a 50 grit pad and polish from left to right at a low speed, less than 1,000 RPM. Continue with higher grit pads, such as 100, 200, and 400, repeating the process with each one. Progress through 800, 1,000, and 1,500 grits until you achieve the desired shine.
Patience and attention to detail: Achieving a high-gloss finish requires time and patience. Take your time with each step, ensuring that you remove all saw marks and scratches before moving on to the next grit. Don't rush the process, as this can result in an uneven finish.
Water usage: Proper water usage is crucial during the polishing process. Make sure there is sufficient water flow to prevent clogging and to keep the surface cool. This will help to maintain the effectiveness of the diamond polishing pads and prevent damage to the concrete.
Regular maintenance: To extend the life of your diamond polishing pads, it is important to perform regular maintenance. Clean the pads after each use to remove any debris or residue. Additionally, store them in a dry and clean environment to prevent damage.
By following these tips and techniques, you can achieve a professional-looking high-gloss finish on your concrete surfaces. Remember to choose the right diamond polishing pads for your specific needs and always prioritize quality over price. With the right approach and attention to detail, you can achieve impressive results that will enhance the appearance of your concrete.
Maintaining and Extending the Life of Diamond Polishing Pads
To ensure the longevity and effectiveness of your diamond polishing pads for concrete, it is crucial to properly maintain and care for them. By following these tips, you can extend the life of your pads and achieve optimal results:
Clean the Pads Regularly: After each use, make sure to clean the diamond polishing pads thoroughly. Use a brush or compressed air to remove any debris, dirt, or residue that may have accumulated during the polishing process. This will help prevent clogging and maintain the pad's performance.
Proper Storage: Store your diamond polishing pads in a clean and dry environment to prevent any damage or contamination. Avoid placing heavy objects on top of the pads, as this can cause deformation or reduce their effectiveness.
Use Correct RPM: When using the polishing pads, ensure that you are operating the variable speed wet/dry grinder at the recommended RPM (less than 1,000 RPM). Using higher speeds can cause excessive wear and tear on the pads, reducing their lifespan.
Use Water or Lubricant: Always use water or a suitable lubricant when polishing with diamond pads. This helps to cool the pads and prevent them from overheating, which can lead to premature wear. Additionally, it improves the overall polishing process and enhances the pad's performance.
Rotate Pads: To ensure even wear, rotate your diamond polishing pads regularly. This will distribute the workload across all the pads and prevent one pad from wearing out faster than the others. By rotating the pads, you can maximize their lifespan and maintain consistent polishing results.
Replace Worn-out Pads: As diamond polishing pads wear down over time, it is essential to replace them when they no longer provide the desired performance. Continuing to use worn-out pads can result in subpar polishing results and potential damage to the concrete surface.
By following these maintenance practices, you can prolong the life of your diamond polishing pads for concrete and achieve superior polishing results. Remember, proper care and regular maintenance are key to ensuring the longevity and effectiveness of your diamond tools.
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