The phrase "a machine simply" is correct and usable in written English.
It can be used when you want to emphasize the straightforwardness or basic nature of a machine in a particular context.
Example: "In essence, a machine simply converts energy into work, making it an essential tool in various industries."
Alternatives: "a machine just" or "a machine merely".
Later, she said, he expressed concern that Franco was "a walking joke machine, simply there to bring levity to the situation".
A beautiful, wonderfully tuned machine simply seized up.
In a traditional maintenance situation, the machine simply breaks and there is unscheduled downtime to fix it.
Otherwise, assuming there are no small children or pets in the area who may burn themselves on the hot machine, simply set a timer and let your percolator do the rest.
It also means smaller incisions are necessary, says Andy Christensen of Medical Modelling, the Colorado-based company that modelled the Egyptian twins.So far, however, the rapid-prototyping machine simply produces an accurately shaped mould from which the plate is cast.
The mass surveillance systems of today, systems that pre-emptively automate the indiscriminate seizure of private records, constitute a sort of surveillance time-machine – a machine that simply cannot operate without violating our liberty on the broadest scale.
The limitations of such a machine are simply those of an understanding of the objects to be attained, and of the potentialities of each stage of the processes by which they are to be attained, and of our power to make logically determinate combinations of those processes to achieve our ends.
But he said there were many engineering aspects other than the size of the machine to take into account, and he feared strong performing vacuum cleaners would be rated badly and lead the consumer to buy a machine that simply did not work efficiently.
One question raised in the case is whether a computer program is more like a list of instructions -- traditionally protected by the First Amendment -- or a machine that simply happens to be built with speech, which would not fall under the scope of the First Amendment.
Because the code had been attached to the e-mail message as a standard word processing text file, the fax machine simply printed it out.
