Silinder Tujahan TBM

Anda berada 500 meter ke dalam sebuah pemanduan, keadaan tanah baru sahaja beralih daripada tanah liat kepada granit kasar, dan tiba-tiba pengendali melaporkan penurunan tekanan di Zon B. Anda memeriksa sistem pendorongan dan melihatnya: telinga trunnion pada silinder nombor 12 telah retak, atau...

Hydraulic Cylinders for TBM Attitude Systems

When it comes to engineering machinery like tunnel boring machines, or TBMs as we call them in the trade, we’ve seen how crucial a solid hydraulic cylinder is for the attitude system—especially those direction correction cylinders that keep the beast on track...

Silinder Pengaduk Corong Shotcrete

You know the sound. You are standing in a damp tunnel, the shotcrete machine is humming, and suddenly the rhythm breaks. The hopper stops churning. The concrete, which was supposed to be flowing smoothly into the pumping cylinders, starts to bridge and harden. In my...

Shotcrete Feeding Cylinders

If you have spent any time around a wet-mix shotcrete machine, you know that sound. It’s not the engine humming; it’s that subtle, grinding noise of the feeding system struggling against a harsh, dry aggregate mix. In my 18 years of designing and fixing hydraulic...