Features of Indexable Turning Tool Inserts
Indexable turning tools Indexable turning tools are machine-clamped turning tools that use indexable inserts. After a cutting edge is blunt, it can be quickly indexed and replaced with a new adjacent cutting edge, and the work can continue until all the cutting edges on the blade are blunt, and the blade is scrapped and recycled. After replacing the new blade, the turning tool can continue to work.
1. Advantages of indexable tools Compared with welding tools, indexable tools have the following advantages:
(1) High tool life as the blade avoids defects caused by high temperature of welding and sharpening.
(2) High production efficiency Since the machine tool operator no longer sharpens the knife, the auxiliary time such as downtime for tool change can be greatly reduced.
(3) It is conducive to the promotion of new technologies and new processes. Indexable knives are conducive to the promotion of new tool materials such as coatings and ceramics.
(4) It is beneficial to reduce the cost of the tool. Due to the long service life of the tool bar, the consumption and inventory of the tool bar are greatly reduced, the management of the tool is simplified, and the tool cost is reduced.
2. Clamping characteristics and requirements of indexable turning tool inserts:
(1) High positioning accuracy After the blade is indexed or replaced with a new blade, the change in the position of the tool tip should be within the allowable range of the workpiece accuracy.
(2) The blade should be clamped reliably. The contact surfaces of the blade, the shim, and the shank should be in close contact and can withstand 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 There is no obstacle on the front of the blade to ensure smooth chip discharge and easy observation. (4) Easy to use, it is convenient and quick to change the blade and replace the new blade. For small size tools, the structure should be compact. When meeting the above requirements, the structure is as simple as possible, and the manufacture and use are convenient.