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Heidelberg's Greatest Gift - Published by Howard Graphic Equipment


Development of Heidelberg Tiegel Platen
(Druckautomat)






 

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By:  Nick Howard  |  Date: August 2014  |  Contact the Author

I’ve been asked many times about the model changes on the Heidelberg platen. Since the hot new letterpress community is generally made up passionate newbies with little or no previous background in printing, they are coming to realize that a Gordon platen can take them only so far. The letterpress field is growing fast as more and more want to feel and touch something that is magical.

Somehow, people think the Heidelberg is relegated to two versions: the black ball and the red ball. Actually, there was also a steel ball before the phenolic black ball appeared. These references mean nothing. There are much more important differences that some may wish to know. Suffice to say, the modern Heidelberg Platen began in 1950. The color of the impression lever ball is of no consequence.

Heidelberg T Platen 1927 Commercial Register (Standard) - 1927

The earliest production model. Split front bed. No registration system, speeds to 3,000 s/h, clutch lever moved to flywheel side (started in 1924), Maltese cross mechanism adapted (1924)

Commercial Improved (Standard) - 1928

Similar above save new guarding at delivery. Still no side shelf

Hairline Register (Standard Register) - 1931

First version with register feature using gauge pins. Levers for easy adjustment of bearer height, safety guard, Side shelf.

Heidelberg T Platen 1933 Superspeed (BUGRA 1931) - 1932/1939

Registration with brass gauge pins, sheet counter, and speed increased to 4,600 s/h, rider rollers for color work, front table cast in one piece. Shearing collar safety device. Very few machines made during WW II.

Super Improved (Superspeed) - 1948

Same as Superspeed, continuation of press built before the war.

Ultra (spray gun) - 1948

Spray gun (liquid), speeds to 5,000 s/h. swing-down side shelf, optional sheet jogger for delivery

Heidelberg T Platen 1950 New Original ("50" Model) - 1950

Variable speed pulley controlled by operator hand wheel, new blow-down device for delivery, sheet jogger standard. Flip away safety guard, Central lubrication pump, ball bearings for forme rollers, increased toggle strength, wash-up device, drop-down ink fountain, tool shelf. To celebrate Heidelberg’s 100th anniversary brought prior to Drupa 51. Officially launched at the first DRUPA in 1951.

DRUPA 1958 ("58" Model)

Essentially same as above, but with thin tissue adjustment added.

Heidelberg T Platen 1967 DRUPA 1962

The so-called “Red” ball made its Drupa appearance although already in the market by 1960. Virtually the identical machine to 1950.

DRUPA 1967

Press speeds increased to 5,500 s/h. New tool shelf under table, plexi cover over ink fountain, disconnection of forme rollers, dry anti-offset powder device, built-in speedometer, safety cover for flywheel now completely covers wheel. In some countries , especially Great Britain, the encapsulated cover had already been made mandatory years before. The “TP” hot foil stamping model introduced with 200-ft roll. Safety guard now changed from elliptical to rectangular.

Heidelberg T Platen 1985 DRUPA 1972

Enhancement of safety elements. The flywheel guard now has an upper portion, several other guards are added and various points on press. TP foil roll increased to 1,000-ft and max. 8" pull.

DRUPA 1985

Production stops. The last model has even more safety guards but no structural changes.


The most relevant prerequisites for selecting a Heidelberg T platen are condition: how does it sound? What condition is the register device? If it’s mangled then the press has probably been in a smash and you need to then look at the grippers. Other than condition, it's irrelevant the color of the impression knob, or if it has the tissue paper control. Pick a machine that has central lubrication and wash-up. These are the most important. Any machine after 1950 (Serial No. 50,000) is a good bet. In the machinery business, we always used the “100,000” Serial No. as a sort of benchmark to distinguish old from new. 100,000 was reached in 1955.

Go to: HEIDELBERG'S GREATEST GIFT - Part 1 | HEIDELBERG GREATEST GIFT - Part 2



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