In the past, ram or weight full down position was adjusted by changing the thickness of the cushion pad in the mixer with a pneumatic ram or by changing the thickness of the spacer under the two cushion pads of a hydraulically actuated ram.
What does PR stand for?
PR stands for Pneumatic Ram
This definition appears somewhat frequently and is found in the following Acronym Finder categories:
- Science, medicine, engineering, etc.
See other definitions of PR
We have 88 other meanings of PR in our Acronym Attic
- Photochemical Reaction
- Photographic Reconnaissance Aircraft (US Air Force)
- Pilot Run
- Pinar del Rio (postcode, Cuba)
- Pinch Runner (baseball)
- Pine-Richland (Pennsylvania school district)
- Planet Replay (media/electronics store)
- Planned Requirement
- Planning and Responsibility
- Plymouth Rock (chicken breed)
Samples in periodicals archive:
The ProStuff starting gate systems are built using Parker components including a pneumatic ram, FRLs, exhaust valves, a custom accumulator constructed using Parker's rigid aluminum IPS profiled shapes, hoses and connectors and industrial grade shock absorbers.
It is then elevated by scissor-lift to in front of the cutter section, where a heavy duty pneumatic ram pushes the cheese through the 'grill' of cutting blades, and a guillotine at the reverse side cuts the cheese to the required length.
Hydraulic rams have replaced pneumatic rams, which have also helped to improve mixed stock quality.
In many cases, there are also shorter mixing times because of the fast travel of the hydraulic ram compared to the pneumatic ram and because the ram pressure remains constant during the whole mixing cycle.
Using a pneumatic ram, pressure fluctuations of the supply lead to variations in the mixture as well.