| O P E R A T I O N |
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For Machines Mfg. Since 5/11 | 13" Heavy 13® Gearhead Lathe | |
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Aligning Cutting Tool with Spindle Centerline
For most operations, the cutting tool tip should be aligned with the spindle centerline, as illustrated in Figure 60.
Tools Needed | Qty |
Tool Post | ............................................... 1 |
Steel Shims | As Needed |
Cutting Tool | 1 |
Fine Ruler | 1 |
Tailstock Center | 1 |
Cutting | Spindle | To align the cutting tool with the tailstock | ||
center: |
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Tool | Center | 1. | Mount the cutting tool in the tool post, then | |
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| secure the post so the tool faces the tailstock. | ||
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| 2. Install a center in the tailstock, and position | ||
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| the center tip near the cutting tool tip. | |
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| 3. Lock the tailstock and quill in place. | ||
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| 4. Adjust the height of the cutting tool so | ||
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| that the tool tip is aligned vertically and | |
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| horizontally with the center tip, as shown in | |
Figure 60. Cutting tool aligned with spindle centerline |
| Figure 61. |
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(viewed from tailstock). |
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There are a number of ways to check and align |
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the cutting tool to the spindle centerline. If |
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necessary, you can raise the cutting tool by |
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placing steel shims underneath it. The shims |
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should be as long and as wide as the cutting tool |
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| Tailstock | |
to properly support it. |
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| Cutting | Center |
Below are two common methods: |
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| Tool |
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s Align the tip of the cutting tool with a center |
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installed in the tailstock, as instructed on |
| Cutting | Tailstock | |
the next page. For this to work, the tailstock |
| Tool | ||
| Center | |||
must be aligned to the spindle centerline |
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(refer to Aligning Tailstock To Spindle |
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Centerline on Page 40 for detailed |
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instructions). |
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ss |
| (Side View) | ||
stock. If the tool is above or below the |
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spindle centerline, a nub will be left in the |
| Figure 61. Cutting tool tip aligned with tailstock | ||
center of the workpiece. Adjust the height of |
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the tool, then repeat the facing cut to check |
| center. |
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the adjustment. Repeat as necessary until |
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the center of the workpiece face is smooth. |
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