Delta 46-715 Instruction Manual download pdf (Page 13)

TOOL REST POSITION

Mount the tool rest in place about 1/8” away from the work

and 1/8” above the work centerline (Fig. 32.) This position may

vary to suit both you and the work. Place a guide mark on the

tool rest shank as an aid to quick and accurate resetting.

Clamp the tool rest firmly before operating

the lathe.

Fig. 32

ROUGHING A CYLINDER

The large gouge is used in the first turning operation by

smoothing the sharp corners of the work. Run the lathe at low

speed and hold the gouge in the manner shown in Fig. 33 The

cut starts about 2 inches from the tailstock end and continues

from this point to the end of the tailstock. Make the second pass

beginning about 2” or 3” to the left of the first cut. Advance

again toward the tailstock, and merge with the previous cut.

Toward the end of the live center, roll the gouge in the opposite

direction (Fig. 34) to carry the final cut off the live center end of

the work. The roughing cut should not be carried out with one

continuous movement, because this would tear long slivers

from the corners of the work. Neither should the cut be started

directly at the end of the stock for the same reason. You can

safely carry the cut from the center of the stock toward and off

either end once the first roughing cuts have been made.

The position of the gouge involves two or three important

angles. (1) Advance the tool along the work either from right to

left or from left to right. Left to right (from headstock to tailstock)

is preferred since this action throws chips clear of the operator.

(2) Roll the gouge over slightly in the same direction that it is

advancing. (3) Hold the tool well up on the work, with the bevel

to the revolving surface (Fig. 35). This position will give a clean

shearing cut. When pushed straight into the work (Fig. 35), the

gouge has a scraping action, (normally a poor practice in spindle

turning). Continue the roughing cut until the work approaches

1/8” of the required diameter. Once a cylindrical form has been

obtained, you can change the turning speed to the second or

third speed setting.

NOTE: Continue to move the tool rest inward toward the work

piece to keep the safe distance between the two.

Fig. 33

Fig. 34

Fig. 35

POSITION OF HANDS

While turning, the hand that holds the tool handle should be in a

natural position. This hand provides the leverage for the tool by

either moving in toward the workpiece or moving out. The

position of the tool rest hand is more a matter of individual

preference, rather than a “set” or “proper” position. However, a

palm-up grip (Fig. 36) is generally considered best. In this

position, the first finger acts as a guide, sliding along the tool

rest as the cut is made. The alternate position is a palm-down

grip (Fig. 37). In this position, the heel of the hand or the little

finger serves as a guide. The palm-down position is solid and

positive – excellent for roughing or heavy cutting. Most

beginners start with the palm-down grip, switching later to the

palm-up position for better manipulation of the chisel.

Fig. 36

Fig. 37

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Delta 46-715 Instruction Manual Page 13

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