. Sheet metal workers' manual; a complete, practical instruction book on the sheet metal industry, machinery and tools, and related subjects, including the oxy-acetylen welding and cutting process . Figure 57.—Revolving Machine Standard. revolve to suit the operating convenience of the short ortall operator, as well as the work in progress. The lower stationary turret marked 5 holds four addi-tional machines for quickly interchanging with anymachine set in the upper revolving turret. This lowerturret also provides for a handy shelf, holding oil can,tools, etc. The brackets marked 1 provide a h
. Sheet metal workers' manual; a complete, practical instruction book on the sheet metal industry, machinery and tools, and related subjects, including the oxy-acetylen welding and cutting process . Figure 57.—Revolving Machine Standard. revolve to suit the operating convenience of the short ortall operator, as well as the work in progress. The lower stationary turret marked 5 holds four addi-tional machines for quickly interchanging with anymachine set in the upper revolving turret. This lowerturret also provides for a handy shelf, holding oil can,tools, etc. The brackets marked 1 provide a handy rackfor face wrenches, and additional rolls, making a placefor everything and everything in its place. SHEET METAL WORKING MACHINERY 95 The practice of taking down and putting up machinesmany times a day, and throwing them under the benchwhen it is desired to utilize bench room for some otherpurpose, only to find some part of the machine brokenwhen its use is most required, is a condition in the averageshop which this revolving machine standard entirelyeliminates. The standard takes up a floor space of only Crank Screw CrankScrewSTud Set Screwfor Stud PinionSTud Jland^rankand Pinion. Triple BeadRolls Large GearStandard Ogee bead Rolls Figure 58.—Beading Machine. 30 inches in diameter, and has been approved by veteransheet metal workers as a modern and improved methodof bench machine operation. BEADING AND CRIMPING MACHINES The beading or swaging machine is used for makingdepressions in iron, stiffening and ornamenting automo-bile mudguards, pipe, the bodies of vessels, and suchwork, and is very simple to operate. Several pairs of 96 SHEET METAL WORKERS MANUAL rolls of suitable designs usually accompany the machine,The rolls furnished with the beading machine shown inFigure 58 are of three kinds; namely, single bead, ogeebead, and triple bead. According to the kind of work,the design of bead that will show up on the work mostattractively is selected and the work to be b
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Keywords: ., bookcentury1900, bookdecade1910, bookidsheetmetalwo, bookyear1918
