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Wohlhaupter Corp. has introduced its PrimeBore precision boring head in kit form. The kit provides a boring range of 0.236 to 5.04 inches (6 to 128mm). It includes three boring tools, a serrated boring tool with two serrated insert holders, and a serrated slide that attaches directly to the PrimeBore head and utilizes the larger serrated insert holder.
The PrimeBore head features vernier dial adjustment which provides a feed-in accuracy of 0.0001" (0.002mm) on diameter. It also features .177" (4.5mm) radial stroke adjustment and automatically defined cutting edge position. Utilizing finely adjustable external balancing weights, the head is capable of speeds of up to 12,000 rpm.
Related Glossary Terms
- boring
boring
Enlarging a hole that already has been drilled or cored. Generally, it is an operation of truing the previously drilled hole with a single-point, lathe-type tool. Boring is essentially internal turning, in that usually a single-point cutting tool forms the internal shape. Some tools are available with two cutting edges to balance cutting forces.
- boring head
boring head
Single- or multiple-point precision tool used to bring an existing hole within dimensional tolerance. The head attaches to a standard toolholder and a mechanism permits fine adjustments to be made to the head within a diameter range.
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