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Adjustable Doweling Jig For Preparing Aligned Bores
Adjustable Doweling Jig For Preparing Aligned Bores
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机译:可调节的定位夹具,用于准备对准的镗孔
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摘要
An adjustable doweling jig for preparing aligned bores comprises a bottom plate 10 with up stands 12 and guides 11 sliding in bores (22, Figure 7), angular pieces 15 on either side of the stands 12 are attached to a spacer 16 sliding on the guides 11, locking screws 9 passing through the spacer or bottom plate and engaging the guides to lock them in place. An end stop 13 may slide on a guide 14 having corresponding locking screw 20. An arrangement of different diameter bores are formed in the bottom plate (17-19, Figure 1) and reducing sleeves (21, Figure 2) may be provided for further diameters. The spacer and angled members slide together and can be adjusted and locked in place and the end stop adjusted and locked in place to give the required distance of the bores to be drilled from the edges of the workpiece. The angular pieces may have markings on them to aid in aligning a mark on a workpiece with the bores. The jig may be hand held.
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