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  2. Roller (agricultural tool) - Wikipedia

    en.wikipedia.org/wiki/Roller_(agricultural_tool)

    The roller is an agricultural tool used for flattening land or breaking up large clumps of soil, especially after ploughing or disc harrowing. Typically, rollers are pulled by tractors or, prior to mechanisation, a team of animals such as horses or oxen. As well as for agricultural purposes, rollers are used on cricket pitches and residential ...

  3. Flat chain - Wikipedia

    en.wikipedia.org/wiki/Flat_chain

    Flat chain is a form of chain used chiefly in agricultural machinery. Early machinery made extensive use of flat chain. Early machinery made extensive use of flat chain. It has been gradually replaced in most applications by roller chain , which is quieter, lasts longer, and requires less frequent retensioning.

  4. Road roller - Wikipedia

    en.wikipedia.org/wiki/Road_roller

    Caterpillar soil compactor equipped with padfoot drum, being used to compact the ground before placing concrete Antique "Kemna" steamroller. A road roller (sometimes called a roller-compactor, or just roller [1]) is a compactor-type engineering vehicle used to compact soil, gravel, concrete, or asphalt in the construction of roads and foundations. [1]

  5. Rolamite - Wikipedia

    en.wikipedia.org/wiki/Rolamite

    The rollers move linearly within the channel as they counter-rotate. During the motion each contact surface has the same surface velocity, which results in very low friction. The Rolamite can be used in various ways such as a component in switches, thermostats , valves, pumps, and clutches .

  6. Material-handling equipment - Wikipedia

    en.wikipedia.org/wiki/Material-handling_equipment

    Transport equipment is used to move material from one location to another (e.g., between workplaces, between a loading dock and a storage area, etc.), while positioning equipment is used to manipulate material at a single location. [3] The major subcategories of transport equipment are conveyors, cranes, and industrial trucks.

  7. Linear-motion bearing - Wikipedia

    en.wikipedia.org/wiki/Linear-motion_bearing

    The rollers crisscross each other at a 90° angle and move between the four semi-flat and parallel rods that surround the rollers. The rollers are between "V" grooved bearing races, one being on the top carriage and the other on the base. Typically, bearing housings are constructed from aluminum while the rollers are constructed from steel.

  8. Conveyor system - Wikipedia

    en.wikipedia.org/wiki/Conveyor_system

    A conveyor system is often the lifeline to a company's ability to effectively move its product in a timely fashion. The steps that a company can take to ensure that it performs at peak capacity, include regular inspections and system audits, close monitoring of motors and reducers, keeping key parts in stock, and proper training of personnel.

  9. Roller mill - Wikipedia

    en.wikipedia.org/wiki/Roller_mill

    in a four-roller mill, the grain first goes through rollers with a rather wide gap, which separates the seed from the husk without much damage to the husk, but leaves large grits. Flour is sieved out of the cracked grain, and then the coarse grist and husks are sent through the second set of rollers, which further crush the grist without ...