Considering the Angle of the Reaction Wire During Suspended Drilling | Drilling Accuracy
Hello, everyone. This is Enta. Do you remember “resultant force” and “component forces”? We use these concepts a lot in drilling. We’ve been working on a project with a suspended drilling rig for a few days now, and we’re using a winch and a wire to apply the reaction force. Depending on how that wire is attached…
Methods and Principles for Measuring Drill Hole Length | On-Site Quality Control
Hello, everyone. This is Enta. Since quite a few people seem confused about the concept of drilling length, I’d like to explain it. Let’s start with the basics. Drilling length refers to the length of the drilled hole. So why is measuring drilling length so confusing? It’s because of the remaining length…
Reinforcement Insertion Workers Are Left Exposed When the Structure Collapses | River Rock Bolts
Hello, everyone. This is Enta. This is the casing from a self-drilling rock bolt, lol. This is a site where slope stabilization work was carried out to prevent surface slippage. Slope frame + self-drilling rock bolts. The reason for selecting self-drilling rock bolts is likely because the borehole walls on this mountain aren’t stable enough to stand on their own. In fact, this mountain is experiencing advanced sandification…
Machine for Removing Grout Residue | Quality Inspection
Hello, everyone. This is Enta. I’ve been insanely busy lately—I can’t take it anymore! It feels like things suddenly got hectic, and now my schedule is already packed to the brim—there’s just no way to handle it. It’s a real headache. I really wish they’d think more about balance when placing orders! But anyway, Ground An…
The Anobit Everyone’s Been Waiting For Is Finally Here | New Product
Hello, everyone. It’s Enta. It’s gotten cold all of a sudden, and it’s making me feel a little down. I hate the cold! Anyway, I was replacing all the hydraulic hoses on the drilling machine at work. It’s actually a pretty tedious job, but since someone has to do it, I’m the one handling it. However, well…
How to Apply Anti-Rust Oil to Head Surfaces Without Getting It Dirty | On-Site Techniques
Hello, everyone. This is Enta. When you’re working on the head of an oil-filled cap, do you remove the bolt at the very top of the head cap before installing it? lol If you remove this bolt and tighten the head cap, a little bit of rust-preventative oil will ooze out of this hole. By doing that, …
That Thing That Holds the Injection Hose in Place | A Must-Have on the Job Site
Hello, everyone. This is Enta. Remember those vice pliers I introduced a while back, the ones used for cement milk injection? Do you remember them? You slip a pressure-resistant hose over the injection hose, snap the cut-to-size vice pliers into place, and then you don’t have to tighten them with wire each time…
What to Do When You Can't Inject Cement Slurry (Part 2)
Hello, everyone. This is Enta. Are you all already back home for the Obon holiday? I have a job interview in Nagano today. It’s a referral from Hello Work. It’s always exciting when new people join the team. And since we’ll be able to take on more tasks, it’ll make things even more fun in the future! Quiet…
What to Do When Rebar Just Won't Go In During Rebar Insertion (Part 2)
Hello, everyone. It’s Enta here. I just got back from Kagoshima the other day, and I’m totally wiped out lol. I’m working until Sunday, so I’ll do my best! Anyway, back to the topic at hand—this is a continuation of my last post. How to handle situations where rebar just won’t go in when you’re a rebar installer. So, what do you do when it just won’t go in? Well…