Educational film guide ()

669.7 EDUCATIONAL FILM GUIDE HOW TO FORM ALUMINUM— BLANKING AND PIERCING — Continued Techniques of blanking and piercing are Illustrated by animated drawings thruout film, which opens with description of the tools employed and the material used in blanking, followed by operation of the die and punch. Necessity of accurate clearance between punch and dies and relation of clearance to thickness and hardness of metal are shown HOW TO FORM ALUMINUM— DRAWING, STRETCHING AND STAMPING. USBur Mines 1944 22min sd loan 669.7 tr Made in cooperation with the Aluminum Co. of America Techniques of sheet-metal working are illustrated by animated drawings. Opens with reference to properties of cold-working and heattreatable aluminum alloys and purpose of heat-treating and refrigerating metals. Functions of single-action and double-action or toggle drawing press are described HOW TO FORM ALUMINUM— GENERAL SHEET METAL PRACTICE. USBurMines 1944 21min sd loan 669.7 tr Made In cooperation with the Aluminum Co. of America Opens with a description of aluminum alloys and their designations. There follow references to heat treatment and degrees of hardness of metals, art of shaping, choice of tools for working, and stresses and flow of metal which take place when metal is bent. Relation of radius of bend to thickness of metal, "springback," use of bending dies and power brake, and method of flanging are illustrated HOW TO FORM ALUMINUM— SPINNING. US BurMines 1944 17min sd loan 669.7 tr Made in cooperation with the Aluminum Co. of America Opens with a description of standard tools required and their operation and shows that tools developed by metal spinners have individual characteristics. We see functions of spinning tools; laying down, beading and cutting or trimming tools; and importance of smooth tool faces. Alloys and dimension of blanks used in spinning, art of hand spinning, importance of lubrication of metal, relation of lathe speed to diameter of blank, and flow of metal under movement of spinning tool are described In detail. Flanging, beading and planishing are shown, using different types of chucks from breakdown to finish spinning HOW TO FORM ALUMINUM— TUBE AND SHAPE BENDING. USBurMines 1944 14min sd loan 669.7 tr Made in cooperation with the Aluminum Co. of America Opens with a discussion of problems in tube bending and principal factors involved such as thickness, size and shape of tube. A description of hand bending of small tubes and uses of template and bending pegs are shown. Bending form or hub is used to prevent distortion, inside of tube being supported by a melting alloy, sand, a "snake," or an articulated mandrel. Next are shown bending by means of power-driven machine; instructions for locating mandrel and lubricating tube; operating, following, clamping and wiping blocks. We observe relations between radius of bend, thickness and diameter of tube, and hardness of alloy. Cold bending and hot bending are described with reference to tools required for bending rectangular tubes; bending of structural shapes; uses of bending hub, stop gage and back-up block. In conclusion we see a recapitulation of instructions on machine bending and importance of smooth finish on contact surfaces of bending tools HOW TO MACHINE ALUMINUM. USBurMines 1942 32min sd loan 669.7 tr-ad Made in cooperation with the Aluminum Co. of America Opens with reference to the different alloys of cast and wrought aluminum, and the effect of alloying, heat treating, and cold working on the machinability of alloys. There follow instructions in the use of hand tools such as chisels, flies, reamers, taps, and dies, the metals best suited for such tools, the correct methods of sharpening, chip removal, cutting speeds, and the importance of finish on cutting edges Cutting compounds are explained, including roughing and finishing operations in the lathe, planer, milling machine, and shaper, machine drilling, reaming, threading, sawing, and grinding. The importance of the top, back, and side rake, clearance and cutting angles of machine tools, are empha.sized. High-speed, automatic screw machines, their speeds, tools, and coolants, are explained MAGNESIUM— METAL FROM THE SEA. USBurMines 1944 23min sd loan 669.7 tr-ad Sponsored by Dow Chemical Company Film opens with conversation of two airtransport passengers — an airplane designer and a practical production engineer who have visions of giant stratosphere planes carrying passengers and cargo, and small helicopters for family and individual use These achievements are inferred to a large extent by use of magnesium, which is shown to exist in sea water and in salt brines under the earth's surface Research engineers are seen In the laboratory where the mysteries of magnesium are uncovered Production of magnesium Is depicted in detail by animated drawings and actual scenes NICKEL AND NICKEL ALLOYS. USBurMines 1943 32min sd loan 669.7 sh-c-tr-ad Made in cooperation with the International Nickel Company "Shows the production of nickel and nickel alloy sheets from the arrival of copper-nickel matte at the plant until the finished sheets are ready for shipment. Many Interesting processes are shown in detail." Central Washington college of educ. NICKEL MILLING AND SMELTING. USBur Mines 1940 17min sd loan 669.7 sh-c-tr-ad Made in cooperation with the International Nickel Company "Flotation process is pictured. Nicke) concentrates and copper concentrates are car' ried to thickeners, then filters: dehydrated, dried concentrates are discharged to conveyor belt, weighed and carried to smelter storage bins. Processes of reverberatory furnaces are shown. Nickel sulphides are separated from copper sulphides by treatment with sodium sulphide. Another type of smelter is shown where ore is roasted on sintering machines." Kentucky NICKEL MINING. USBurMines 1940 16mln sd loan 669.7 sh-c-tr-ad Made in cooperation with the International Nickel Company "Pointing out on a map the Sudbury district, Ontario, where most extensive deposits of nickel -bearing ores are located, this film proceeds to show in detail the nickel mining processes." Kentucky NICKEL REFINING. USBurMines 1940 lOmin sd loan 669.7 sh-c-tr-ad Made in cooperation with the International Nickel Company 518