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Short Stack
The normal way of adding color capacity to a Goss Community press is to either add a standard printing unit or stacked unit, which adds an additional two pages of color to each side of the web or two color pages to each page on a single side of the web. Most newspapers that have Goss Community press seem to have enough page capacity. If the newspaper wants additional units it is for color capacity so the best solution for them is to stack a unit on top of an existing unit. Especially sense adding another standard unit only takes up more floor space that is of course, if there is sufficient ceiling height.

Stacked units can be made by cutting the lower portion of a standard unit, adding spacers and stacking directly on top of a standard unit, which is cheaper than the alternative, which is to purchase a new stacked unit built specifically for stacking. The cost of converting a standard unit is approximately $6,000 to $8000 depending on who does the work. Decking is also required so that the pressmen have access to the unit and controls, which can add another $3000 to $6000 to the project.

Short stacks can be an excellent alternative to a stacked unit. The illustration shows a short stack, a base unit and a stacked unit together. A short stack is a standard unit that has been cut down and has had a mounting base added to it and then a stacked unit is added to the top of the base unit. The total height of these two units is the same as a standard unit. The base unit conversion is approximately $7,000 to $10,000 depending on who does the conversion. The advantages of a short stack are that no additional ceiling height is required, which in some pressrooms stack units can’t be used. Another advantage is that there is no decking, which means that all of the controls can be adjusted from the main floor. Climbing a latter to adjust register and set ink is tiring and time consuming, which also creates more newsprint waste. The draw backs to the short stack is that it is a little more difficult plate the unit sense it is so close to the floor, the impression lever is difficult throw on sense it is so close to the floor and you lose the roll stand. These seem to be minor in conveniences to the pressmen that regularly use the short stack.

Some times it is very difficult to remove plates from a Goss Community press after a press run because of the moisture buildup under the printing plates. Talcum power or baby power applied to the back of the printing plates before they are placed on the press helps to significantly eliminate this problem.

Had problems holding register throughout the press run? Have you ever pickup a copy from the folder while it was running and then immediately pulled a second sample only to find out the print register was different on a Goss Community press? The reason is because of the worn spline couplings between the press units. Replace the spline coupling with Thomas couplings or Woods couplings to improve print registration. The couplings that I am referring to are used on Goss Urbanite’s and larger presses. Special versions of these coupling can be purchased to remove the slack that develops from the wear between the printing units that is found in the spline couplings. Once the conversion is made it never has to be done again. That’s right it is a permanent fix, unfortunately the cost of the coupling is higher than the spline coupling but will pay for it self by producing better print quality day after day.

Frank Bourlon has more than 30 years experience in the newspaper industry. He is the executive director for Newspaper Production & Research Center. He can be reached @ 405-524-7774 or via email at nprc@flash.net.

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