Grizzly g0749, g0746 Aligning Cutting Tool with Spindle Centerline, Below are two common methods

Aligning Cutting Tool with Spindle Centerline

For most operations, the cutting tool tip should be aligned with the spindle centerline, as illustrated in the figure below.

Figure 66. Cutting tool aligned with spindle

centerline (viewed from tailstock).

there are a number of ways to check and align the cutting tool to the spindle centerline. if nec- essary, you can raise the cutting tool by placing steel shims underneath it. the shims should be as long and as wide as the cutting tool to properly support it.

below are two common methods:

•Move the tailstock center over the cross slide and use a fine ruler to measure the distance from the surface of the cross slide to the tip of the center. adjust the cutting tool height so it is the same distance above the cross slide as the tailstock center.

•align the tip of the cutting tool with a tailstock center, as instructed in the following pro- cedure. For this to work, the tailstock must be aligned to the spindle centerline (refer to

Aligning Tailstock To Spindle centerline in this manual for detailed instructions).

To align the cutting tool with the tailstock center:

1.Mount the cutting tool in the tool post, then secure the post so the tool faces the tailstock.

2.install a center in the tailstock, and position the center tip near the cutting tool tip.

3.lock the tailstock and quill in place.

4.adjust the height of the cutting tool so that the tool tip is aligned vertically and horizontally with the center tip, as illustrated below.

Figure 67. Cutting tool aligned to the tailstock

center.