170-25 straight column cutting teeth high hardness wear-resistant layer coal mining machine excavator accessories

Description :

  【 Tax inclusive shipping 】 Open a 13% special ticket    free shipping nationally

The 170-25 straight column cutter is a core cutting tool designed specifically for heavy mining machinery such as coal mining machines and tunneling machines, mainly used for crushing coal seams, rock layers, and semi coal rock conditions. This model of cutter adopts a straight column structure design, which can withstand high-strength impact loads and shear forces, effectively solving the problems of tool breakage and rapid wear in hard rock excavation. As a key consumable for coal mining and tunnel excavation, the 170-25 straight column cutter ensures stable cutting efficiency under complex geological conditions by optimizing its geometric shape. It is suitable for various comprehensive mining faces and tunnel excavation operations and is an important component for ensuring continuous and efficient production in mines.

  The manufacturing of 170-25 straight column cutters follows strict industrial standards, and the main body is usually made of high-quality alloy structural steel, which undergoes precision forging and heat treatment processes to ensure that the substrate has sufficient toughness to resist impact. Its significant feature is that the head is welded with a high-performance hard alloy wear-resistant layer, which has undergone special processing and has high hardness and bonding strength, significantly extending its service life. The common implementation standards refer to relevant coal industry standards such as MT/T239, and the size specifications strictly match the 170-25 model parameters to ensure a good fit with the gear seat. During the production process, it is necessary to undergo non-destructive testing and dimensional tolerance control to ensure the consistency of the quality of each 170-25 straight column tooth and meet the requirements for use in harsh underground environments.

  When selecting 170-25 straight column cutters, it is important to consider the rock hardness coefficient (f value) and abrasion resistance of the working conditions. This model is suitable for medium hard to hard rock coal seams. If the working condition is extremely hard rock or high abrasion sandstone, it is recommended to evaluate whether higher grades of hard alloys or special coating treatments are needed. Compared with conical cutters, 170-25 straight column cutters focus more on linear cutting and lateral fracture resistance. During installation, it is necessary to ensure that the tooth seat aperture matches the diameter of the cutter handle to avoid looseness or improper interference fit. Purchasing personnel should verify the tool specifications recommended by the equipment manufacturer, confirm the installation angle and arrangement of 170-25 straight column cutters, in order to achieve the best rock breaking effect and the lowest specific energy consumption.

  Before installing the 170-25 straight column tooth cutter, clean the coal powder and debris inside the tooth seat, apply an appropriate amount of lubricating grease or anti seize agent, and use a special tool to press or knock the tooth cutter into the tooth seat to ensure that the snap spring or fixing device is in place. In daily maintenance, it is necessary to regularly check the wear of the cutting teeth. When the hard alloy head is worn to a certain extent or missing, it should be replaced in a timely manner to avoid damaging the tooth seat or increasing the machine load. Common faults include alloy head detachment, tooth bending or fracture, which are usually related to overload impact or material defects. Reasonable rotation of 170-25 straight column cutters can balance wear, extend the service life of the overall cutterhead, and reduce tool consumption costs in mining operations.

AfterSalesService :