33
11. General Jaw Use
Using the Deep Wood Screw
The 62833 Deep Wood Screw
supplied with the SC3 and SC4
chucks is designed to be held
by the following jaws:
62321 35 mm Standard Jaws
62313 50 mm Standard Jaws
62317 130 mm Dovetail Jaws
The 62832 Long Deep Wood Screw is designed to be
held by the following jaws:
62329 100 mm Dovetail and Deep Gripper Jaws
62322 75 mm Heavy Bowl and Gripper Jaws
The purpose of the deep wood screw is to allow the
secure initial mounting of the workpiece, such as a bowl
blank.
The collar of the screw must be protruding from the jaws’
interior surface as shown in Fig 11.1 so that the jaws
can hold the screw by the shank.
Ensure that the flattened areas of the deep wood screw
collar are positioned to mate with the jaw slides as
shown in Fig 11.2 and tighten the jaws around the
screw. Fig 11.3 shows the chuck from the rear.
Find the centre point of the workpiece and drill a 7 mm
(
9
⁄32”) for soft wood or 8 mm (
5
⁄16”) wide hole in the
centre point, and to a depth of 17 mm (
6
⁄10”).
Screw the workpiece onto the deep wood screw until
it meets the jaws as shown in the cross section of Fig
11.1.
The outside of the bowl can now be turned as shown in
Fig 11.4.
Warning: Only use the deep wood screw for
workpieces up to 250 mm (10”) in diameter and
100 mm (4”) in depth, Fig 11.1.
Fig 11.4
Fig 11.2
Deep wood screw
Fig 11.3
Deep wood screw
Jaw slides
Fig 11.1
Max.
100 mm depth
Max.
250 mm width
SC3 & SC4 Manual 3.7.indd 33SC3 & SC4 Manual 3.7.indd 33 22/04/2022 13:06:1822/04/2022 13:06:18
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