Line Boring Machines - Line Honing

Line Boring Machines - Line Honing

Sunnen line honing equipment is fast and accurate. Our line boring machines will do the complete job of alignment and sizing main bearing bores in about 30 minutes with maximum precision. You can expect to meet or exceed original factory accuracy for alignment, roundness and size. And you can install after market four-bolt main caps and bore blocks for roller cam bearings.

In addition, Sunnen line boring machines are easy to setup and operate, allowing any shop person to operate - whether the old pro or the new hire. Upon grinding and replacing the caps, you position the block, insert and adjust the Honing Units, engage the drive arm, and set the limit stops—
you’re then ready to hone.

What Does a Line Boring Machine Do?

A line boring machine is generally used in industrial applications, in order to enlarge a hole that has previously been drilled or cast with an extreme amount of precision. The hole is modified by using various cutting tools held within the boring head to affect the hole size. In doing so, the entire hole diameter is made larger to the exact size and specification required.


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CH-100 Line Hone
CH-100
Line Hone
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PLB-100 Line Boring Attachment
PLB-100
Line Boring Attachment
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PLB-1200 Cam Boring Attachment
PLB-1200
Cam Boring Attachment
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