#sandblasting

[mrkoppa]

22 July 2024, 10:25 | Woodlawn Cemetery, Sparta, Monroe County, Wisconsin

Someone was crafting and selling some fine monuments featuring beautiful shape carving around Sparta in the 20th century. This was done with the same sandblasting technology used by monument companies today, yet they don’t make em like they used to, and it’s hard to pin a reason on it. Are we as a society not willing to pay for it? Or do the monument companies see no value in trying to sell it? Are they even willing to pay a craftsperson to do it? Would people be willing to pay extra for it if it was an option? In other words, is there a market for it, and if there is not, why not? Apparently there used to be.

Has our culture devolved into a lack of art appreciation or have the artists stopped producing? And if they have, why? Is it because we don’t teach art appreciation to our children? Is it because we don’t think it has any value in our capitalist society where profit is king? Maybe all the homeless people are artists who have no job opportunities thanks to our lack of valuing what they have been given to give to the world.

The homeless people thing is an exaggeration, of course, but I do believe there are many, many unfulfilled latent artists and craftspersons in the United States. And they don’t even know it. We would all benefit, if only subconsciously, from living in a society that values its artists, because our daily experience in the world would be more beautiful.

These are the things you think about when you work on grave stones all day.

[chimerical-creations]

Made some shot glasses with the MSA Ghost skull emblem and spiky vines. Messed up a little and got kind of terrible overspray going on. Didn't mask off high enough nor was careful enough with the airstream direction while sandblasting, so there's some obvious frosting on the insides of three of them, and some less obvious but there-if-you-know-what-to-look-for on a fourth. One each of the big-skull-some-vines and small-skull-more-vines turned out fine.

Made these over a year ago, but didn't photograph them until today.

[comorbidlyincapacitated]

Achilles and Patroclus (Flux) 2, 3 and 4

Rad Husak

Pigment transfer and carbon pencil on sandblasted aluminum

600 × 840 mm

[henglihong]

How Do Ceramic Sandblasting Beads Improve the Fatigue Resistance of Metal Parts?

1.Introduction of Surface Residual Compressive Stress

2.Optimization of Surface Roughness and Stress Distribution

3.Cleaning and Defect Removal Capabilities

Optimize your surface treatment process and obtain a customized ceramic sandblasting solution. Please contact our technical team!

[fromthedust]

SCARLET SWISH PUNCTUATED

Indiana limestone, partially sandblasted Spanish black marble hemisphere, patinated copper wire, cast & painted dental stone, thinned paint - 10¼"x 12½"x 1½"

All the textures on the limestone were found that way — all I did was cut the edges to help define the textures, and then used a rag with thinned paint to wipe across and accentuate the surface variations.

[a-typical]

Yuriy while sandblasting the radioactive scrap metal. (Photographer, Pierpaolo Mittica.)

Inside the zone tons of metals lie abandoned, but over the years all this rusty gold has not gone unnoticed, and more or less illegally was recycled and today continues to be. Tons of metal leave the area each month. Since 2007, the Ukrainian government has legalized the recycling of radioactive metals with the blasting method. The workshop is close to the never finished number 5 and 6 reactors of the Chernobyl nuclear power plant, a huge warehouse where twelve men clean and recycle radioactive metals. Their work is terribly dangerous, almost a death sentence in slow motion, as it forces the workers to continuously inhale radioactive particles like caesium, strontium and plutonium.

From the project "Chernobyl Stories" The Ukraine 2014-2019. (source)

[zin-obsessive-diary]

✨#Pregunta✨

¿Podría Gaara hacerle sandblasting a alguien hasta quitarle la piel de los huesos?

[ENG. Trans.: Could Gaara sandblast the skin out of someone until it's bare bone?]

[abrasievgrit]

Silicon carbide (SiC) and aluminum oxide (Al2O3) are two of the most commonly used abrasive materials in industrial applications. Both materials have unique properties that make them suitable for various applications. In this article, we will compare the properties of SiC and Al2O3 and highlight their differences.

[sandblasting17]

How to Protect Cement Plant Structures from Corrosion and Its Benefits

Introduction

Cement plants operate in highly aggressive environments, where exposure to moisture, chemicals, and extreme temperatures leads to corrosion of steel structures, pipelines, and machinery. Corrosion can significantly impact the longevity, efficiency, and safety of a cement plant. Implementing effective corrosion protection strategies is crucial to maintaining operational efficiency and reducing maintenance costs.

Causes of Corrosion in Cement Plants

Several factors contribute to corrosion in cement plant structures:

High Humidity & Moisture: The presence of water accelerates corrosion, especially in areas with high humidity or frequent exposure to rain.

Acidic and Alkaline Environments: Cement production involves exposure to chemicals such as sulfur dioxide, chlorides, and carbon dioxide, which can lead to acid corrosion.

High Temperatures: Extreme heat causes thermal stress on metal structures, leading to cracks and oxidation.

Abrasive Materials: Dust and particulate matter can wear down protective coatings, making metal surfaces more vulnerable.

Electrochemical Reactions: Exposure to different metals and stray electrical currents can cause galvanic corrosion.

Methods for Protecting Cement Plant Structures from Corrosion

To ensure long-term durability and reliability, several corrosion protection techniques should be employed:

1. Thermal Spray Coating (TSA & TSZ)

Thermal spray aluminum (TSA)coating and thermal spray zinc (TSZ) coatings create a strong protective barrier against corrosion. These coatings are particularly effective in harsh industrial environments.

2. Galvanizing

Hot-dip galvanizing applies a protective zinc layer to steel structures, preventing rust formation. This method provides long-term corrosion resistance, especially in outdoor installations.

3. Protective Paint Coatings

Applying high-performance industrial coatings, such as epoxy, polyurethane, and alkyd paints, helps to create an impermeable shield against moisture and chemicals.

4. Cathodic Protection

This method uses sacrificial anodes or impressed current systems to prevent corrosion by directing electric currents that neutralize oxidation reactions on metal surfaces.

5. Sealants and Waterproofing

Using sealants and waterproof coatings on concrete and steel structures reduces the penetration of water and chemicals, slowing down corrosion.

6. Regular Maintenance & Inspections

Routine inspections and preventive maintenance allow early detection of corrosion, helping to address potential issues before they escalate into costly repairs.

7. Environmental Controls

Installing proper ventilation systems and using dehumidifiers in enclosed spaces can help reduce humidity and moisture levels, slowing corrosion progression.

Benefits of Corrosion Protection

1. Extended Equipment Lifespan

Implementing corrosion protection methods increases the durability of structures and equipment, reducing the frequency of replacements.

2. Reduced Maintenance Costs

Preventive measures significantly lower maintenance costs compared to reactive repairs and replacements due to structural failures.

3. Enhanced Safety & Compliance

Corrosion can weaken structures, leading to accidents and operational hazards. Protecting against corrosion ensures compliance with safety regulations and reduces risks to workers.

4. Improved Operational Efficiency

Corrosion-resistant equipment operates more efficiently, reducing downtime and enhancing production output.

5. Cost Savings in the Long Run

While corrosion protection requires an initial investment, it minimizes costly repairs, equipment failures, and unplanned downtime, resulting in significant savings.

6. Environmental Benefits

By prolonging the life of structures and equipment, corrosion protection reduces waste and the environmental impact of frequent material replacements.

Conclusion

Corrosion in cement plant structures can lead to significant financial and operational setbacks if not addressed properly. By implementing effective corrosion protection strategies such as thermal spray coatings, galvanizing, protective paints, and regular maintenance, cement plants can extend equipment lifespan, reduce costs, and ensure safer operations. Investing in corrosion protection is not just about preventing deterioration—it’s about safeguarding the future of the plant’s infrastructure and ensuring long-term profitability.

[kumarmythriindia]

Mythri Metallizing India 

Mythri Metallizing India 

Mythri Metallizing India, headquartered in Bangalore, is a thermal spray coating service provider that specializes in anti-corrosion solutions for steel structures. They have over 20 years of experience in the industry. https://mythrimetallizing.com/

Services: Mythri Metallizing India offers a range of surface finishing and anti-corrosion services, including:

Sandblasting and grit blasting

Spray galvanizing

Stress relieving

Spray painting

Thermal spray aluminum coating

Surface Preparation: Mythri Metallizing uses abrasive blasting techniques, employing materials like grit, sand, quartz, and aluminum oxide, to clean and prepare metal surfaces for coating. This process removes mill scale, oil, grease, dirt, rust, oxides, and paint to ensure proper adhesion of protective coatings.

Thermal Spraying: Mythri Metallizing applies finely divided metallic or nonmetallic materials in a molten or semi-molten state to form a coating, using methods such as electric arc spray, wire flame spray, powder flame spray, HVOF, and plasma spray.  https://mythrimetallizing.com/

 Zinc coatings are used to protect steel, even at cut edges or breaks, through sacrificial action.

Stress Relieving: Mythri Metallizing uses heat treatment to improve machining, formability, and ductility, enhancing product performance by increasing strength and other desirable characteristics. https://mythrimetallizing.com/

 The Managing Director of Mythri Metallizing India is Madhusudhan D R, who has been in this position since January 2009. He has over 20 years of experience in thermal spray allumnization. https://mythrimetallizing.com/

[mrkoppa]

8 August 2024 | Kingston Cemetery, Sauk County, Wisconsin

Lovely rural cemetery with many fine examples of mid-20th century hand stencil cutting and sandblastmanship.

[chimerical-creations]

Mystery Skulls Animated glitter jar, sandblasted with the MSA skull emblem and filled with pink glitter and glow powder in mineral oil.

[Video description: Small glass jar with black plastic screw-top lid, held between thumb and index finger. Size of jar is approximately 3.5cm total height and 1.5cm in diameter. The outer surface is sandblasted with two Mystery Skulls Animated skull emblems, on opposite sides of the jar. The jar is filled with a mix of pink glitter and glow powder suspended in clear mineral oil. First part of the video is a slow turnaround of the jar, showing off the sandblasted parts. The glitter and glow powder has settled to the bottom of the jar.

Second part of the video shows the jar being flipped and twisted around to get the the glitter and glow powder cascading down and swirling around. Third part of the video is the same twirling-about thing but in the dark, to show off the pink glow. End description.]

[noblemetalcoatingllc]

Let the spirit of Maha Shivratri inspire you to rise stronger, embrace success, and step into new opportunities with divine grace!

www.noblemetalcoating.com

[ranjith1902]

Mythri Metallizing India: Leading the Way in Advanced Surface Coating Solutions

Mythri Metallizing India is a premier provider of metallizing and advanced surface coating solutions, catering to various industries such as infrastructure, automotive, power, marine, and defense. With cutting-edge technology and a commitment to quality, Mythri Metallizing India has established itself as a trusted name in the field of protective coatings and thermal spray applications.

Our Services

1. Thermal Spray Coating

Thermal spray coating is one of our core services, offering superior protection against corrosion, wear, and extreme environmental conditions. Our advanced thermal spray techniques include:

Arc Spray Coating – Ideal for large surface areas, providing excellent adhesion and durability.

Flame Spray Coating – Used for restoring and enhancing the performance of machine components.

Plasma Spray Coating – Suitable for high-temperature applications, ensuring superior resistance and longevity.

HVOF (High-Velocity Oxygen Fuel) Coating – Ensures high-density coatings with exceptional hardness and wear resistance.

2. Galvanizing and Corrosion Protection

We specialize in hot-dip and thermal spray galvanizing techniques, which provide long-lasting protection against rust and oxidation. Our coatings extend the life of infrastructure, bridges, pipelines, and industrial equipment by shielding them from environmental damage.

3. Industrial and Marine Coatings

Our industrial and marine coatings are designed to withstand harsh environments, offering superior protection for:

Ships and offshore structures

Heavy machinery and industrial plants

Power generation facilities and pipelines

Structural steel components

4. Concrete and Structural Protection

Beyond metal, we offer protective coatings for concrete structures, preventing deterioration due to moisture, chemicals, and environmental stress. These coatings enhance the durability and lifespan of bridges, dams, buildings, and industrial facilities.

5. Customized Coating Solutions

We understand that every industry has unique requirements. That’s why we provide tailored coating solutions to meet the specific needs of our clients. Whether it’s for aerospace, defense, automotive, or power generation, we design coatings that optimize performance and longevity.

Why Choose Mythri Metallizing India?

State-of-the-Art Technology – We employ the latest equipment and methodologies to deliver high-quality coating solutions.

Expert Team – Our skilled engineers and technicians bring years of experience and expertise in metallizing and protective coatings.

Industry Compliance – We adhere to international quality standards, ensuring our coatings meet the highest performance and safety requirements.

Cost-Effective Solutions – Our coatings extend the lifespan of assets, reducing maintenance costs and downtime for our clients.

Sustainability Commitment – We use eco-friendly processes and materials to minimize our environmental impact while ensuring durability and efficiency.

Our Commitment to Quality and Innovation

At Mythri Metallizing India, we are committed to continuous improvement and innovation in the field of protective coatings. We invest in research and development to provide cutting-edge solutions that meet the evolving needs of industries worldwide.

Get in Touch

Whether you need corrosion protection, industrial coatings, or customized metallizing solutions, Mythri Metallizing India is here to help. Contact us today to learn more about how our services can enhance the durability and efficiency of your infrastructure and machinery.

[henglihong]

Precision Mold Sandblasting: The Secret to Extending Lifespan in Medical Device Manufacturing

In the medical device manufacturing industry, a 1-micron improvement in mold precision can translate to quality leaps across tens of thousands of products. This article explores how sandblasting technology extends precision mold lifespan by over 40% through microscopic mechanical restructuring, supported by real-world case studies from Medtronic’s suppliers.

1. The Critical 0.01mm: Extreme Challenges in Medical Device Molds

Medical device molds face three critical challenges:

Precision Constraints: Cardiac stent molds require tolerances of ±3μm (1/25th of a human hair’s width).

Material Limitations: High-hardness materials like 316L stainless steel and cobalt-chromium alloys suffer wear rates up to 0.8% per 1,000 cycles.

Cleanliness Paradox: Demanding both absolute surface cleanliness and functional texture retention.

A multinational company once faced $2.3 million in losses due to stress cracks in orthopedic device molds. Traditional EDM polishing created 5–10μm hardened layers, masking surface flaws while increasing fracture risks.

2. Sandblasting’s Triple Regeneration Mechanism

Ⅰ. Nano-Level Surface Restructuring

Multidirectional Stress Relief: Controlled Al₂O₃ particle impact (80–120 grit) reduces residual stress by 62%.

Crack Self-Healing: Microcracks (0.05–0.2mm) mechanically close under 300–500kPa pressure.

Topology Optimization: Creates 3–5μm uniform dimple arrays, boosting lubricant retention by 300%.

Ⅱ. Intelligent Parameter Matrix (German Equipment Example)

ParameterCardiovascular MoldsOrthopedic MoldsAbrasive TypeGlass Beads (GB800)Ceramic Grit (60 mesh)Blast Angle45°±5°75°±3°Traverse Speed150mm/s80mm/sSurface RoughnessRa 0.08–0.12μmRa 0.15–0.2μm

Ⅲ. Full Lifecycle Cost Model

A Shanghai-based manufacturer achieved:

Mold maintenance intervals extended from 80k to 130k cycles

Annual maintenance savings: $76,000 (¥540,000)

Burr defect rate reduced from 1.2% to 0.03%

3. Case Study: Heart Valve Mold Transformation

Pain Points:

316L stainless steel mold developed 0.15mm collapse after 5,000 stamping cycles

Demolding force surged from 2.8kN to 5.6kN

Monthly scrap rate: 12%

Solution:

Gradient Sandblasting Process:

Stage 1: 120-mesh white corundum at 45° for base texture

Stage 2: 220-mesh glass beads at 75° for stress relief

DLC Coating Pretreatment:

Surface roughness: Ra 0.05±0.01μm

Coating adhesion improved to HF1 grade

Results:

Mold lifespan increased from 23k to 41k cycles

Stable demolding force: 3.2kN±0.15kN

Annual cost savings: $254,000+ (¥1.8 million)

4. Next-Gen Intelligent Sandblasting: 4 Key Advancements

Digital Twin Control: Real-time trajectory simulation (<0.5mm error)

AI Abrasive Recycling: 97.3% abrasive reuse rate

In-Line Roughness Monitoring: Auto-calibration every 5 seconds

Cleanroom Compatibility: Meets ISO Class 5 standards

In the microscopic battlefield of medical device manufacturing, sandblasting is rewriting the rules of mold longevity. When your molds show 0.01mm precision drift, it’s time to activate surface regeneration protocols. Click to download the "Medical-Grade Mold Sandblasting Whitepaper" and unlock million-dollar lifespan solutions.

[ezequipment]

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