.
...
2025-08-14 10:14
1159
venta de perforación
...
2025-08-14 10:12
1068
- Construction For foundations, pilings, and site preparation, DTH techniques enable precise hole placement and stability in challenging geological conditions.
...
2025-08-14 10:05
1390
Teshkilot va Asboblar Burg'ulash Vositalarining Narxlari
...
2025-08-14 09:55
843
Jaw crushers play a crucial role in the operational processes of various industries, notably in mining and recycling. These machines are designed to break down hard materials into smaller, manageable pieces, making them essential for numerous applications, from aggregate production to ore processing. To fully appreciate how jaw crushers function, it's vital to understand the different mechanical parts involved in their operation.
...
2025-08-14 09:55
1628
1.Downhole drilling machine: When drilling a downhole gun hole with a aperture less than 150 mm, in addition to the application of a rock drill, it can also be used to drill a small diameter of 80 ~ 150 mm. When drilling a gun hole with a diameter of less than 70 mm in coal or softer mineral rock, it is generally used to drill or air drill, driven by a motor (or air motor) to drill the drill pipe, and the rock (coal) chips drilled out are discharged through the spiral groove on the drill pipe.
...
2025-08-14 08:44
1552
1. Drill Bits
...
2025-08-14 08:38
59
The use of wood mold or lost foam requires the mold to be consistent with the real thing, the appearance is smooth, and the yield and surface finish of the casting are improved, so as to reduce flash, burr and cold separation.
...
2025-08-14 08:10
440
What is Down the Hole Drilling?
...
2025-08-14 07:41
2820
Key Players in the Market
...
2025-08-14 07:30
1149
