Balanceable tool holders
The use of toprun balanceable tool holders provides the following advantages:
- A considerable extension of spindle bearings life
- A considerable extension of tool life
- Improved accuracy and surface finish
- Drastic reduction of vibrations and noise level of the machining center
For high-speed machines with toprun tool holders, the two counterweights in the graduated groove (patented) have to be positioned following the indications provided by the electronic balancing units.
A quick and easy balancing of the tool holders complete with tension rod and tool according to the ISO 1940/1 standards.
For machining up to 8.000rpm, it is sufficient to position the counterweights at 0° and at 360°.
The balancing operation has the aim to bring the original unbalance “U” within the maximum admissible level “G”. The manufacturers of high-speed milling machines usually prescribe a balancing level “G” or “G.” for the tool holders to be used on their machines according to the ISO 1940/1 standards.
Specifically, the original unbalance “U” of the tool and tool holders is neutralized by the resulting centrifugal force “C” produced by the two balancing masses “T1” and “T2”.