B21, China Town Mall, Midrand
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High efficiency Coal Mine Underground Tunnel Drilling Machine Tunnel Boring Machine
High efficiency Coal Mine Underground Tunnel Drilling Machine Tunnel Boring Machine
High efficiency Coal Mine Underground Tunnel Drilling Machine Tunnel Boring Machine
High efficiency Coal Mine Underground Tunnel Drilling Machine Tunnel Boring Machine

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Product Description

   ZLJ-250ZLJ-350ZLJ-650ZLJ-700
Rated torqueHigh speedN·m250350650700
 Medium speed 150250380520
 Low speed 85100214310
Rated speedHigh speedr/min.340350270410
 Medium speed 192170151198
 Low speed 1129988150
Rated pressure Mpa8888

Tunnel drilling rigs refer to fully hydraulic tunnel drilling rigs for coal mines. Full hydraulic tunnel drilling rigs for coal mines mainly use carbide and diamond compact bits for rotary drilling. Hydraulic tunnel drilling rigs are widely used for water exploration, water injection, and gas exploration at different angles in mines. Drilling holes, geological exploration, slope anchoring and other drilling construction.Tunnel drilling rig specifications:ZLJ-250, ZLJ-350, ZLJ-400, ZLJ-700.

Specification

Product structure of tunnel drilling rig:This type of tunnel drilling rig adopts a full hydraulic structure and is divided into three parts: the main engine, the pump station, and the console. The main engine is a split structure, which can be further disassembled and easy to handle; it mainly uses cemented carbide and diamond composite drill bits for rotary drilling, and can also be used for rotary drilling. Equipped with large-diameter auger rods and coring bits to meet different drilling requirements Slurry fire extinguishing holes, coal seam water injection holes, geological exploration holes and other engineering holes.

 

  • Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 14 Feb, 2025, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
  • Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
  • Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
  • Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.

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  • Address: B21, China Town Mall Midrand, 1685
  • Contact Seller: (011) 805 0386

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