Pattern making; a practical treatise for the pattern maker on wood-working and wood turning, tools and equipment, construction of simple and complicated patterns, modern molding machines and molding practice (1916)
Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 194
Fig. 300. Jig for Locating Centers of Flask Pins on Machines pin jig shown in Fig. 300. This jig is made of flat steel stock, andthe holes are drilled with the same jig which is used for drillingthe holes in the flask, Fig. 301. Test the distance from the checkingline to the flask pins with… … SECTION THRU LUG Fig. 301. Sketches of Cast-Iron Flask Showing Closing Pins Fig. 298. Test the location of the cope core print in the samemanner. The flask pins can be adjusted by loosening the screwsand driving a wedge between the pin and the plate stock so as toforce the pin into the correct…
Patternmaking
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