. 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 19.—Can Top Folder. the gauge is held up next to the folding blade and turns a^4 inch lock. When the gauge screw next to the handlever is unscrewed and the gauge screw on the other endof the machine is screwed in, the gauge is held down so asto turn a % inch lock. Before changing the gauge thehand lever should be pushed toward the left as far as itwill go, in order to bring the screw holes t
. 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 19.—Can Top Folder. the gauge is held up next to the folding blade and turns a^4 inch lock. When the gauge screw next to the handlever is unscrewed and the gauge screw on the other endof the machine is screwed in, the gauge is held down so asto turn a % inch lock. Before changing the gauge thehand lever should be pushed toward the left as far as itwill go, in order to bring the screw holes to their properplaces. As the screws that hold on the cap, folding blade,and gauge sometimes become loosened, see that thesescrews are tightened enough to hold the folding bladefrom springing, but not so tight that the folding bladeslides hard. Can Top Folder.—Tapered sheet metal patterns for oil-can breasts, funnel bodies, etc., are usually cut from pat- SHEET METAL WORKING MACHINERY 53 tern, as shown in the illustration (Figure 19), and foredging sheet metal blanks with a taper, preparatory toforming, the can top folding machine is used. Tapered Rear Bed Gauge SideGuide Forming Bar. Gauge ClampingKnob front SupportingGauge Arm Front GaugeBending Leaf Handle Treadle Rods
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Keywords: ., bookcentury1900, bookdecade1910, bookidsheetmetalwo, bookyear1918
