Continuous motion machines

Some machines, e.g., Bosch GKF, Index, Impressa and Zanasi, are called intermittent motion machines because they exhibit an interrupted filling sequence. That is, indexing turntables must stop at specific stations to execute the various operations described above. Continuous motion machines, e.g., MG2 and Matic, execute these functions in a continuous cycle. Eliminating the need to decelerate and accelerate from one station to the next makes possible higher machine speeds with the continuous motion machines (24). 

There are two basic types of machine—intermittent motion and continuous motion. The intermittent is the smaller, slower and cheaper, usually with a blade opening action for the carton pre-break, so that it is likely to accept a lower quality of carton than the really high-speed machines. The continuous motion machines tend to be much larger, faster and more expensive and, being much faster with vacuum pick-up of the carton for a knock pre-break, are much more sensitive to the quality of the carton presented. 

Wet towels hung on a clothesline eventually dry, because the continual motion of molecules in liquid water allows some molecules to escape from the liquid phase (Figure 2-9aV A wet towel left in a closed washing machine, however, stays wet for a long time. This is because water molecules that escape from the surface of the towel remain within the washing chamber (Figure 2-9b). The number of water molecules in the gas phase increases, and the towel recaptures some of these molecules when they collide with its surface. The system soon reaches a condition of dynamic equilibrium in which, for every water molecule that leaves the surface of the towel, one water molecule returns from the gas phase to the towel (Figure 2-9cV Under these conditions, the towel remains wet indefinitely. 

Operating procedure for fully automatic continuous motion closing machine (specify model)... 

Figure 6 Diagrammatic representation of the plug forming and ejection stations of a MG-2 continuous motion filling machine.

Fig. 10. Continuous mining machine used in underground mine. As coal accumulates on the mine flixir. the helical screw effect of the culling head constantly moves the pile toward the center of the head, contributing to fast loading and improved productivity and cleanup. Two powerful motors handle all motions of the machine. Safety provisions are incorporated in the design. (National Coal Association)...

Automatic. There are two basic types of machines—intermittent motion and continuous motion. The intermittent is smaller, slower, and cheaper, usually with a blade-opening action for the carton prebreak so that it is likely to accept... 

The scientific method is a kind of perpetual motion machine in which our doubts and uncertainties stimulate us to continued effort to resolve them in the hope that we may come to at least a few certainties. For this we need the guidance of the wise who are prepared to invest their time and energy to create a book such as this. It deals with the preparation, characterisation... 

Fully automatic machines are based on either continuous or intermittent movement of the web through the unit, or a combination of the two. Until recently this motion depended on whether certain processes were carried out on platens or cylinders. It is now possible to use platens which have a reciprocating action whereby continuous motion can be maintained. The basic machine operations performed on a machine are ... 

The web may be held by grippers, rollers, etc. as it is passed through the machine. Platen machines usually impart less tension to the web but generally operate at lower speeds, i.e. 8-12 m/min whereas 12-16 m/min can be achieved by continuous motion or by reciprocating motion machine with platens. 

The implications of the second law for energy use are significant. First of all, according to the second law, not only are we unable to make a machine that creates energy out of nothing, but we cannot even make a machine that continues to move spontaneously without energy input—we cannot create a perpetual motion machine. If the machine is to be in motion, it must pay the heat tax with each cycle of its motion—over time, it will therefore run down and stop moving. 

A perpetual motion machine is a device that continuously produces energy without the need for energy input. According to the first law of thermodynamics, this device could not exist, since energy can be neither created nor destroyed. 

The question then is, to what degree can the microscopic motions influence the macroscopic ones is there a flow of infonnation between them [66] Biological systems appear to be nonconservative par excellence and present at least the possibility that random thermal motions are continuously injecting new infonnation into the macroscales. There is certainly no shortage of biological molecular machines for turning heat into correlated motion (e.g. [67] and section C2.14.5 note also [16]). 

In commercial practice, packaging is produced from continuous web on intermittent-motion thermoforming/die-cut machines. The web edge is clamped and conveyed into a heating box. If a plastic with a narrow softening temperature is used, heating is carefully controUed from top and bottom. 

History OF the Paper Machine.— The paper machine, by which so-great a development of tho paper trade Was effected, had its origin in France, Louis Rodent, a dork in tho employment of Didot, was the first who appears to have conceived the idea of making a continuous web of paper on an endlaeB wire-cloth, to which a rotary motion was - communicated, thereby producing a web or sheet of indefinite length. 

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