Southbend SB1053 owner manual Installing Tooling, To install tooling in the tailstock

16-Speed Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 3/11

Installing Tooling

This tailstock uses a quill with an MT#4 taper that has a lock slot in the back of the bore that accepts tang arbors and drill bits (see Figures 47–48for examples).

Tang

Screw

End

Solid

End

Open

End

Solid

End

Figure 47. Types of tapered arbors and tooling.

Tang

However, other tooling without tangs, such as the four remaining tools shown in Figure 47, can still be used if the potential load will not override the strength of the tapered fit. For example, smaller drill chucks, drill bits, and centers.

Note: If the tooling has an open hole in the end but is too short to be exposed in the drift slot for removal, then a screw can be threaded into the end of the tool to provide a solid surface for the quill pin to push against when the quill is retracted for tool removal.

To install tooling in the tailstock:

1.With the tailstock locked in place, unlock the quill, then use the handwheel to extend it approximately 1".

2.Thoroughly clean and dry the tapered mating surfaces of the quill and the center, making sure that no lint or oil remains on the tapers.

Note: If the tapered tool shaft has a tang, align it with the indent in the back of the quill before seating it.

3.With a firm and quick motion, insert the tool into the quill. Check to see if it is firmly seated by attempting to twist it—a firmly seated tool will not twist.

4.Unlock the tailstock and move it until the tip of the tool is close to, but not touching, the workpiece, then re-lock the tailstock.

5.Start spindle rotation, unlock the quill, then turn the tailstock handwheel clockwise to feed the tool into the workpiece.

Figure 48. Example photos of inserting MT#4 tools

with tangs into the tailstock.

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