Axminster SSBP Посібник користувача - Сторінка 12

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Adjustments to the Sheet Metal Worker...

A X M I N S T E R

W H I T E

Shear bow

Over a period of time the frame which carries the lower shear blade may go out of

alignment, resulting in shear cuts which are not straight. To correct this problem, the bolt

attached to the adjusting bar should be adjusted; tightening the bolt will cause the ends of

the frame to bow outwards whilst loosening it will bring it in (see figs 15 & 16).

Shear Blade Adjustment

To check the alignment of the blades, lower the upper shear blade as far as it will go and

examine the gap between the blades. If one side of the lower shear blade is further away

from the upper blade then the work table will need to be adjusted (see fig 17).

Loosen the screws which secure the work table to the frames and adjust the screws

underneath the table until the two blades meet evenly along their length. Re-tighten the

table securing screw (see fig 17).

Bending Die Adjustment

If the line-up of the upper dies becomes uneven for any reason they can be re-aligned. Cut

a piece of hardwood to the same length as the dies, ensuring that opposite faces are flat

and parallel. Raise the upper dies to their highest position, place the wooden gauge on the

lower die, slacken off the clamping screws (see fig 9a) which secure the upper dies and

allow them to rest on the timber. Check that all the dies are lying flat on the timber and then

re-tighten the bolts securely.

Table clamping screws

Fig 15

Adjusting bar

Upper blade

Fig 17

17mm spanner

Work table

Fig 16

Gap between

the blade and

work table

Table adjusting

screws