(1) The blade is not subjected to high-temperature welding, which avoids defects such as hardness drop and cracking caused by welding, and improves the durability of the tool.
(2) Due to the increased durability of the tool, the use time is longer, the tool change time is shortened, and the production efficiency is improved.
(3) The tool holder can be reused, which not only saves steel but also improves the utilization rate of the blade. The blade is recycled by the manufacturer, which improves economic efficiency and reduces tool cost.
(4) After the blade is reground, the size will gradually become smaller. In order to restore the working position of the blade, a blade adjustment mechanism is often provided on the turning structure to increase the number of re-grinding of the blade.
(5) Pressing the end of the platen used for the blade can function as a chip breaker. Fourth, the indexable turning tool The indexable turning tool is a machine clamping cutter that uses an indexable insert. After a cutting edge is blunt, it can be quickly indexed and replaced with an adjacent new cutting edge to continue working until all the cutting edges on the blade have been blunt, and the blade is scrapped and recycled. After replacing the new blade, the turning tool can continue to work.
Indexable turning tool advantages
(1) High tool life Since the blade avoids defects caused by welding and sharpening high temperature, the tool geometry is completely guaranteed by the blade and the cutter groove, and the cutting performance is stable, thereby improving the tool life.
(2) High production efficiency Because the machine tool operator no longer sharpens the knife, the auxiliary time such as stop tool change can be greatly reduced.
(3) It is conducive to the promotion of new technologies and new processes. The indexable knives are conducive to the promotion of new tool materials such as coatings and ceramics.
(4) Conducive to reducing tool cost Due to the long service life of the tool bar, the consumption and inventory of the tool bar are greatly reduced, the tool management is simplified, and the tool cost is reduced.
Clamping characteristics and requirements of indexable turning inserts
(1) High positioning accuracy After the blade is indexed or replaced with a new one, the change of the tool tip position should be within the allowable range of the workpiece accuracy.
(2) The blade clamping is reliable. The blade, the knife pad and the tool bar contact surface are closely fitted to withstand the impact and vibration, but the clamping force should not be too large, and the stress distribution should be uniform to avoid crushing the blade.
(3) Smooth chip removal The blade is preferably free from obstacles on the front side to ensure smooth discharge of chips and easy to observe.
(4) Easy to use and easy to change the blade and replace the new blade. Compact for small size tool structures. When the above requirements are met, the structure is as simple as possible, and the manufacturing and use are convenient.
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