For Machines Mfg. Since 7/09

O P E R A T I O N

EVS Toolroom Lathes

Centers

Figure 65 shows the dead centers included with the lathe. In addition, an MT#6–MT#4 tapered spindle sleeve is included for mounting centers in the spindle.

Mounting Dead Center in Spindle

1.

DISCONNECT LATHE FROM POWER!

2.

Thoroughly clean and dry the tapered

 

mating surfaces of the spindle bore, tapered

 

sleeve, and the center, making sure that no

 

lint or oil remains on the tapers.

Tapered

Sleeve

Carbide Tipped

Dead Center

Dead Center

3. Insert the center into the sleeve, then insert

the sleeve into the spindle bore through the

chuck or faceplate.

Figure 66 shows an example of the dead

center installed in the spindle, using a

lathe dog and faceplate for turning between

centers.

Dead Center

Figure 65. Tapered sleeve and dead centers.

Dead Centers

The dead center achieves more accurate results than a live center, but it requires low spindle speeds and a small amount of oil to reduce friction heat that may damage the workpiece.

Use the dead center in the spindle, because the workpiece does not rotate on the tip and does not generate friction.

Use the carbide-tipped dead center in the tailstock where the workpiece will rotate against it and generate friction. The carbide-tipped dead center can better withstand the effects of friction; however, the tip of the center must be lubricated to avoid premature wear and maximize smooth operation. Also, using low spindle speeds will reduce the heat and wear from friction.

Live Centers

A live center has bearings that allow the center tip and the workpiece to rotate together, and can be installed in the spindle and the tailstock quill for higher speeds.

Figure 66. Example of using a dead center with a

faceplate and lathe dog.

To avoid premature wear of the dead center or damage to the workpiece, use low spindle speeds and keep the tip of the dead center mounted in the tailstock well lubricated.

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Southbend SB1037, SB1014, SB1015, SB1038, SB1012, SB1013 Mounting Dead Center in Spindle, Dead Centers, Live Centers

SB1037, SB1038, SB1012, SB1015, SB1013 specifications

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