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Emuge Corp., West Boylston, Mass., a manufacturer of taps, thread mills, toolholders, clamping devices and other rotary cutting tools, today announced the expansion of its patented Softsynchro® tap holder line, adding two new holder sizes.
The new Softsynchro tap holders, which come standard with coolant-through capability, can handle tap ranges from #0 – 1" and from M2 – M30. The new Softsynchro 0 size is for tap ranges #2-10 and M2-M8, while the new Softsynchro 4 size is for tap ranges 7/6"-1" and M12-M30.
Constructed from precision-ground body and shank sections, Softsynchro's patented design is said to significantly increase tool life and performance. The proprietary design reduces axial force to just a fraction of the force typical in tapping applications, improves thread quality and substantially extends tool life by up to 300 percent, according to a company news release.
Softsynchro's technology features patented elastomer springs that separate the spindle from the tap, absorbing excessive axial forces and compensating for small errors in the machining process. Torque from the spindle is transferred seamlessly to the tap via ball bearings riding in precision ground grooves. These ball grooves are said to minimize rolling friction on the torque transmission balls to guarantee precision micro-correction of lead errors in a rigid tapping cycle, even under the most demanding machining conditions.
In addition, the Softsynchro modular system reportedly eliminates the need to purchase different holders for each application.
Related Glossary Terms
- axial force
axial force
When drilling, a force that is directed axially—along the direction of machining. The magnitude of an axial force rises with the drill’s diameter and the chisel edge’s width. Axial force is also known as thrust. When turning and boring, the term “feed force” is commonly used instead of “axial force.” See cutting force.
- shank
shank
Main body of a tool; the portion of a drill or similar end-held tool that fits into a collet, chuck or similar mounting device.
- tap
tap
Cylindrical tool that cuts internal threads and has flutes to remove chips and carry tapping fluid to the point of cut. Normally used on a drill press or tapping machine but also may be operated manually. See tapping.
- tapping
tapping
Machining operation in which a tap, with teeth on its periphery, cuts internal threads in a predrilled hole having a smaller diameter than the tap diameter. Threads are formed by a combined rotary and axial-relative motion between tap and workpiece. See tap.
