What are the classifications of heat shrink tool holders?
Heat shrinkable tool holders can be divided into three categories according to wall thickness, clamping tool length and interference.
1. Standard type: produced in Germany.
2. Reinforced type: The wall thickness is increased, used for heavy-duty and powerful milling tool clamping in the aerospace industry.
3. Lightweight: extended thin wall, used for deep cavity processing of molds.
What are the advantages and disadvantages of heat shrink tool holders?
1. Quickly load and unload tools. Using a heat shrink machine for heating, the high power of 13KW can complete the installation and clamping of the tool within 5 seconds, and cooling only takes 30 seconds. The unique water cooling device can prevent the accuracy of the tool holder from deteriorating.
2. High precision and small jitter. The tool installation part does not require nuts, collets and other components like the collet chuck. It is simple and effective. The cold shrink clamping is strong and stable. The tool deflection is ≤3μ, which reduces tool wear and ensures high precision during high-speed machining.
3. The handle is small and widely used. The ultra-thin tip part and rich tool holder shape changes can be widely used in high-speed and high-precision machining and deep hole machining.
4. Simple, efficient and long life. For hot loading and unloading operations, even if the same tool holder is hot loaded and unloaded more than 2,000 times, the accuracy will not change. The performance is stable and reliable, and the service life is long.
5. You need to purchase a heat shrink machine, which costs several thousand to tens of thousands.
6. After being used thousands of times, when the oxide layer peels off, the accuracy is no longer that high.
