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High Cut

Solid carbide taps with high

Tool cutting heat is the enemy. Unfortunately, in the tool / workpiece interface, the tool is often sufficient to reduce the need bear limit tool life and performance of cutting tool temperature. To solve this problem, it has developed a variety of tool materials, most commonly used high-speed steel and carbide. High-speed steel cutting tools with very good strength and toughness, and Carbide Tools, the higher the hardness and red hardness (hardness at the cutting ability to maintain high temperature) and superior. In general, solid carbide tools cutting speed can reach at least 4 times high-speed steel cutting tools more, and longer tool life. However, compared with high-speed steel cutting tools, carbide cutting tool fracture toughness, limited processing in some areas (especially Tapping) application.

And most of the turning, milling and drilling tools of different, tap the cutting edge is weak, and lower its overall strength. Even in the process is relatively easy to cut the workpiece material (eg steel), the carbide is also prone to tap the cutting edge chipping, leading to tool failure. Tapping on the low carbon steel, the continuous chip could block long Taps Yung grove, thus limiting the number of carbide taps applied even more easily than steel tapping of the workpiece material (such as aluminum and cast iron). Steel and other iron group material is the most common needs of processing and assembling with screw material, therefore, cutting tool manufacturers are sparing no effort to develop cutting edge to prevent chipping and breakage of the tap. View of the cemented carbide and high speed steel can be compared to congenital superiority, it has become a development focus carbide tap.

Within the thread determine the dimensional accuracy of precision screw assembly and fit for the data. Processing within the thread, the tap usually drilling or tapping the head with flexible non-synchronous machine driven, flexible tap tapping head can drive rotation, and to close to within the required rate of lead screw feed. The old machine is difficult to precisely when in the coordination of tapping into the given rotation, and this synergy is a necessary condition for thread processing. Therefore, we must use the soft tapping head to control the range of error. Tapping, the soft tapping tap will produce radial head, limiting the improvement of the precision screw. These factors lead to lower processing rigidity and uniform load taps.

Carbide tap depends on the successful application of the tool clamping stiffness and feed the control precision. For most of the processing methods, these processing conditions for granted. But tapping, these conditions just become a reality.

Recent years, machine tool control technology continues to progress, has been able to achieve spindle rotation and feed the synchronization control, which can no longer use the soft tapping head. In addition, the use of heat-loading and hydraulic tool clamping chuck can improve the tool rigidity, radial run-out error than when using the soft tapping head sharply lower. The tool chuck concentricity of rotation in less than 3 m. Despite the large clamping force precision sleeve-type high-precision (TGHP) chuck performance and less on the hot-mounted hydraulic cutter chuck, but when applied to Tapping is very effective.

Not all of the CNC machine tool can achieve “synchronization” tapping (the “rigid” tapping?? When the spindle rotation accuracy by the feed screw lead). Therefore, in order to allow a small amount of axial displacement to compensate for the inherent synchronization tapping machine small error, the need for hot-mounted, hydraulic and telescopic TGHP tool chuck to improve.

Industry standard tap the shank tolerance is more relaxed (usually +0.0000 /-0.0381mm). The commercial’s tap can use flexible tapping heads, so the track jump control is not strict tolerance requirements. For example, according to industry standard, 1 / 2 “high-speed steel cone shank diameter and thread diameter jump error can be 0.04mm, and does not require direct control of the thread diameter and bevel cutting edge and tap shank concentricity, which Jump to allow the path error and the existence of the phenomenon of uneven loads. In fact, these measurements are relative to the tap manufacturing center during the clamp measurements.

Carbide tool material to explore all the benefits, Kennametal has designed a full play to the high rigidity and high precision machine tool chuck advantage of the new tap?? KC7542 grade solid carbide tap, this tap In the high-speed synchronous tapping, have a high cutting edge strength and wear resistance.
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I am an expert from Cheap On Sales, usually analyzes all kind of industries situation, such as dual sim card holder , cordless phone frequency.

100716 High Cut Magazine Photo Shoot BTS – Donghae

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