The rivets for the upper hoop must pass through one thickness of No. Sizes of Rivets.-In riveting the slats to the barrel, the rivets must pass through two thicknesses of No. The single-rib slat may be made on an ordinary cornice brake and used with or without the wooden core. 24 galvanized steel by means of special machinery. Type of Slat.-Figure 158 shows two types of slats in common use. Weight of Bottom.-The bottom of the barrel should be at least four gages heavier than the sides.
The riveted seam is somewhat stronger, but since the lock seam can be placed under a slat and protected, it is generally used because it can be made more cheaply. wide, but in order to use the sheet metal as it comes from the mill the total height would be reduced to 25¾ in., Fig. less than the total height of the barrel. 157 therefore, the body blank must be ⅞in.×2 or 1¾ in. The top and bottom hoops fit into the barrel one-half of their entire width, Fig. Figure 156 gives a full size cross section of the one generally used.īlank for Body.-The body of the ash barrel is made from No. Type of Hoop.-There are several types of hoops that can be obtained from the jobber. Standard Dimensions for Galvanized Ash Barrels Diameter in Inches
high will be treated in this discussion.įigs. The sizes given below are common to all, and are best adapted to ordinary needs. Different manufacturers have established their own standards.
In order to do this intelligently he should make a list of these items similar to the one given below:ĭimensions of Barrel.-The dimensions of the barrel would vary according to whether the job was standard, or special size. Planning for Quantity Production of an Ash Barrel.- In planning for quantity production, a draftsman must consider every item that has to do with the manufacturing processes to be carried on in the shop.
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