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Jiahe County One-word Rock Drilling Bits Direct Sales


Commonly used models of slotted drills: 28 32 34 36 38 40 42, of which the most used for 40 models.Use of flat-head bit: |160; suitable for light rock drills, drilling into rock holes with a diameter of less than 50mm, suitable for rock formations with low hardness.Widely used in coal mines, iron mines, gold mines, copper mines, lead-zinc mines and other mines, as well as tunneling in railway, highway, and water conservancy construction.|160;Characteristics of slotted bit: Use high-quality steel and alloy, with high toughness and high wear resistance, high production efficiency. Simple manufacturing process, easy to use, low price, and strong adaptability to rock mass performance. A drill bit that can alleviate sudden changes in the drilling state during drilling operations in rock, coal, concrete, etc., and stabilize the drilling operation. Even when large chips are generated, the drilling efficiency is not reduced..Shandong China Coal insists on demand-oriented and win-win as the goal; seeks product development with innovative ideas.Look forward to working with you!

Master the welding angle, appropriately slow down the welding speed and increase the current. I am not proficient in the burn-through technique, the current is large or the welding speed is slow, reduce the current or speed up the welding speed, and strengthen the basic skills training. The welding seam surface damages the arc inaccurate, and the ground wire If the contact is not good, the arc ignition must be accurate, and the arc must not be ignited on the surface of the weldment. The ground wire is connected to the weld and the tungsten electrode is clamped. Uneven walking speed, uneven wire feeding speed, welding speed, wire feeding should be uniform, strengthen basic skills training, undercut welding angle is incorrect.

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Such as solar welding, resistance spot welding, using the development of electronic technology to improve the power factor of the welding machine, etc..2 Computer application in welding The arc welding equipment microcomputer control system can analyze and control multiple parameters such as welding current, welding speed, arc length, etc., and display and retain data for welding operation procedures and parameter changes, so as to give Exact information about welding quality.At present, various control systems established with computer as the core include welding sequence control system, PID adjustment system, good control and adaptive control system, etc..

The specifications of the slotted drill bit are: 28, 30, 32, 36, 38, 40, 42, 50, 60, etc. The slotted drill bit is used with pneumatic rock drills such as Tianshui and Shenyang. eccentric drill bits The head is suitable for mining in coal mines, iron mines, gold mines, copper mines, lead-zinc mines, and construction of railways, tunnels, railways, highways, etc..Slotted drill bit, slotted drill bit, pneumatic drill bit, slotted drill bit, slotted pneumatic drill bit, slotted pneumatic drill bit, horseshoe drill bit, horseshoe slotted drill bit, slotted drill bit for iron mines, one slotted drill bit for coal mines Flat drill bit, flat drill bit for hard rock, flat drill bit for granite, flat drill bit for mining, flat drill bit for alloy, flat drill bit for hard rock, and flat drill bit for super hard rock Drill bits, horseshoe-shaped air drill bits, flat drill bits for rock drills, flat drill bits for internal combustion rock drills, flat drill bits for pneumatic rock drills, flat drill bits for electric rock drills, flat drill bits for hand-held rock drills, The flat drill bit is often used with light internal combustion, electric, pneumatic and hydraulic rock drills. The flat drill bit is used to drill holes with a diameter of less than D50mm in various types of rocks..Due to its low price and other characteristics, the flat-head drill bit is still the main drill bit variety used in the medium and small diameter rock hole drilling projects in my country's mining industry..

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