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The Oshawa Daily Tianes 1he Oshawa Daily Retormer Sve THE OSHAWA DAILY TIMES, SATURDAY, JULY 7, 1928 na AA NEW PRESS WILL PRINT 30,000 PAPERS PER HO 0) 10 Cents a Week; 2 Cents a , Third R HE PICTURE on this page shows the T new sixteen page Rotary Press that was recently erected and put into operation in the new Times building, With this press was installed the necessary stereotyping ma- chinery to make the matrices and plates and the entire equipment when crated weighed nearly fifty tons and required two large freight cars for shipment to Oshawa, ' [The new press represents the highest type of printing equipment for newspaper use and is capable of turning out 30,000 sixteen page, eight column newspapers, completely folded "and ready for distribution, per hour, It will also handle any size paper from two pages u and will print tabloid form (half page size) if desired, ~The press has been installed facing one of the big plate glass windows on Simcoe Street and when in operation is a great source of in- terest and attraction to passers-by, MATRIX MADE OF EACH PAGE The installation of the new Rotary Press and stereotype equipment in The Times office really meant a complete changing over from the former method of printing direct from the type. Under the old system the type was set and assembled in the chases, as the steel frames which are made to hold the pages are called, and taken directly to the press and the paper printed from the type, The former press was a web press--that is, it printed from the web running off a roll and turned the paper out ~ folded, but differed from the new machine in that it printed direct from the type instead of from plates. It was also a machine of a much smaller capacity and very much slower speed, Now the process of typesetting is exactly, the same as before but instead of sending the pages to the pressroom an impression is taken of each page on a previously prepared matrix, which resembles a damp piece of heavy soft cardboard. This is em the top of the type and cork and felt blankets are placed on - it to provide a cushion and it is then rolled by, the mat roller, vhich gives a pressure of thirty, tons to the square inch, so that a complete im-~ pression in every minutest detail of the type and illustrations is left in this matrix. The matrix, or "mat" as it is familiarly, called around the printing office, is then placed in a scorcher, which is a hollow gas-heated cylinder, around which the mat is curved. This dries out every drop of moisture and hardens the thick paper sheet so that it will retain the impression. If also curves it to the size re- quired for making the plate. VIEW OF NEW SIXTEEN PAGE NEWSPAPER PRESS RECENTLY INSTALLED FOR OSHAWA DAILY TIMES This picture will give readers a good idea of The Times new Rotary Press, The machine is known as a "Duplex Tubular' and was manu- factured by the Duplex Printing Press Company of Battle Creek, Mich, The mass of cylinders and rollers that are shown in this picture must work in perfect unison to obtain the desired resylts, e press is capable of turning ont 30,000 finished newspapers per hour, It is 26 feet long and @ feet wide and requires a 50 h, p. motor to operate it, Full automatic electric control permits of starting and stopping the machine at any desired speed. The control is operated from any one of eight different stations. The press is located in the front of the new build. ing where it is plainly visible from the street, and attracts a good deal of attention every afternoon between four and five o'clock, when it is in operation, "METAL HEATED TO 600 DEGREES When the mat comes from the scorcher it is adjusted in the "casting box' and from a huge furance, which holds 5,000 lbs. of stereo- type metal, the molten metal heated to 600 degrees is pumped into the casting box mak- ing a cylindrical plate, on the outside of which the printing surface stands in relief where the metal has filled the depressions in the matrix, - This plate is cooled quickly by the circulation of running water through the casting box and it can be removed from the casting box a few minutes after the molten metal is pumped into it, PLATES ARE CYLINDRICAL The plate as taken from the casting box is eight 'or ten inches longer than the width of the page. The plate is cast this way so that the top, or surface metal, which is usually por- ous and degraded, may be trimmed off, thus leaving a finished plate of the purest and finest grained metal. This excess metal is cut off, both ends of the plate beveled and the centre "going on edition" as the experts call it--the publishers invited Dr, press-- T. E. Kaiser, M.P., Mr. W. E. N. Sinclair, KC., MEP. and Wie Worship, Mayor B. 1h. Rissiop to stliciate i starting the press The When the day came for officially starting The Times new shows Dr. Kaiser pressing the push button to set the press in automatically bored to the exact required di- ameter in one operation on the "plate finish- ing machine," A few seconds suffice to turn the rough plate into a finished product, accur- ate to a few thousandths of an inch, so that the plate will fit perfectly on the steel cylinder of the press designed to carry it. The type plate now goes to the pressman, ready to reproduce the printed page of the newspaper. It is quickly fastened to the cylin« der and becomes part of the big press until the edition is printed, when it goes back to the melting pot to be used again in the making of other pages. The type plates on a Duplex press are per- fectly cylindrical except for a slot | 1-4 inches in width for its full length. Two plates are clamped on each of the cylinders and are lock- ed into position securely, The cylinders carrying the page of metal come in contact with other cylinders covered with rubber blankets and tough cloth, so finely adjusted that the blank paper running between them re- ceives just enough pressure to receive the im- , Sinclair with his hand on the starting box lever to start the motor and Mayor Preston receiving the first paper printed on the new press from the President of the Company, Mr. C. M. Mundy, pression of the plate, Ink is carried up to thé plate cylinders by means of-another set of rollers from the ink 'fountains' or reservoirs below, The press is divided into four units, with two plate cylinders, two impression cylinders and the necessary irik rollers to each one. Each unit prints four pages and is fed by a separate roll of paper, When sixteen pages are being printed each unit is in operation and four rolls of paper are being fed from the rear of the press. The press can be enlarged by adding another deck (two units) making it a 24-page machine, : 600 POUND PAPER ROLLS : The paper, on rolls weighing between 600 and 700 pounds, is fed to its proper unit, press- ed against one plate cylinder, and then re- versed in direction so that the second set of cylinders of each unit may put the impres- sion on the reverse side, From there the long ribbons of paper travel forward to the front _of the press where other rollers gather them together and feed them into the folder over a shaper or former which gives them the first or lengthwise fold, The folder, which is the finest piece of ma- chinery of its kind ever invented, cuts the sheets in the proper length, gives the paper a second fold and delivers the printed papers, neatly piled and counted in 25's if the press is beng operated at full speed, FULL AUTOMATIC CONTROL A full automatic control operates The Times' new press. Power for the press comes from two motors placed below the floor level and mounted on a ton of solid concrete in the basement. A five horse-power motor starts the press slowly and when a certain speed is i automatically the small motor stops and the work is taken by a 50 horse-power raotor mounted on the same base and operat~ ing off the same shaft. ' These motors are operated by six sets of push-buttons located at convenient Places on the press. By simply pressing these buttons it is possible for the pressmen to make the press move an inch at a time as is necessary, when the plates are being put into place, accelerate gradually from low to top speed, re- tard the speed as uniformly, or in case of emergency bring the machinery from its greatest speed to a complete stop in a second or two, " oN yy To obtain more uniform control the alter- nating current supplied by the Hydro is con- verted to direct current. A motor generatos set supplied by the English Electric Co,, giv= connection: ing excellent satisfaction in this {A GROWING NEWSPAPER IN A GROWING CITY" i