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Features and Hazard Identification of Suspended Drilling Rigs | How to Use the YD135
Hello, everyone. This is Enta. Do you guys do suspended drilling? Hasn’t it been getting less common lately? We have the equipment here, too, but it’s just sitting around unused, lol. Honestly, when you use your own equipment for the job, it just doesn’t work out as a second-tier subcontractor, lol. It’s still better to just provide labor and have the client supply the equipment and materials…
Clip Spacer Flexibility Q&A | Sizes, Lead Times, and Unit Prices
Hello, everyone. This is Enta. We finally had some rain the other day that felt like typical rainy season weather, didn’t we? It seems like there’s been less rain than I expected. I wonder how this year’s rainy season will affect our work?? I’m curious to see how the rain will play out! But enough of that. Here’s the content of an inquiry we received regarding clip spacers. This time, we’ve recently received…
Various Drilling Methods for Slope Drilling (Part 3)
Hello, everyone. This is Enta. I’ve been working on overhauling my mixer for a few days now, and I’ve successfully finished removing the rust from the first one lol. Next, I’m going to give it a good cleaning and apply some rust inhibitor. I’ll be applying it with an air gun, but that’s a real pain, isn’t it? It’s tricky…
Key Points for Installing Self-Drilling Rock Bolts | Why the Installation Deviated from the Plan
Hello, everyone. This is Enta. I’ve been overhauling a mixer motor for the past few days. As I’ve mentioned before, unusual noises from a motor are usually caused by the bearings. This trick makes it look brand new just by painting it! lol Anyway, back to the topic at hand: self-drilling rock bolts. Self-drilling rock…
Various Drilling Methods for Slope Drilling (Part 2)
Hello, everyone. This is Enta. The other day, I posted a little quiz on Facebook. It was about a certain problem with wind power! Here’s the answer. The answer is right here!! ・・・・・ ・・・・・・・・ ・・・・・・・・・・・・・ ・・・・・・…
Various Drilling Methods for Slope Drilling
Hello, everyone. It’s Enta here. Today, I’m heading to Akita to run some errands. By car… It really is a long drive, isn’t it? My butt feels like it’s going to fall off lol. Anyway, moving on—this post is about drilling methods. It’s an older article, but since it’s so popular, I’m reposting it here lol. &nbs…
The Cement Slurry Won't Stop (Part 4) | Materials for Making Packers
Hello, everyone. This is Enta. The Cement Milk Won’t Stop (Part 1) The Cement Milk Won’t Stop (Part 2) The Cement Milk Won’t Stop (Part 3) Materials for Making a Packer Packer, Span Seal, paper tape, Insulo…
Cement Slurry Won't Stop (Part 3) | Comparison of Packer Types
Hello, everyone. This is Enta. Next week, our projects are overlapping in a way that’s impossible to manage, so we’ve decided to put one of them on hold... Things were looking like they’d run smoothly, but one project fell behind and another got moved up, so we couldn’t work it out... orz Sorry for the inconvenience. The project with the 300 legal limit is also...
The Cement Slurry Won't Stop (Part 2) | Plugging the Hole with a Packer
Hello, everyone. This is Enta. What should you do if the grout won’t rise? Based on the diagram from last time, you just need to seal holes 1 and 2. (In reality, you don’t know exactly where the holes or cracks are. It’s easier to find out if you insert a fiberscope.) That…



