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2. Reciprocating electric motor - Wikipedia

   en.wikipedia.org/wiki/Reciprocating_electric_motor

   A reciprocating electric motor uses an alternating magnetic field to move its armature back and forth, rather than circularly as in a conventional electric motor.A single field coil may be placed at one end of the armature's possible movement, or a field coil may be used at each end.

3. Electric motor brake - Wikipedia

   en.wikipedia.org/wiki/Electric_motor_brake

   An electric brake is commonly used in corded tools such as circular saws, miter saws, routers, bandsaws, angle grinders, and more recently, table saws. These mechanisms are designed to prevent injuries resulting from things like kickback or skin-to-blade contact. The way these mechanisms work are almost universally the same; when the trigger or ...

4. Reciprocating saw - Wikipedia

   en.wikipedia.org/wiki/Reciprocating_saw

   A reciprocating saw is a type of handheld, small, machine-powered saw, in which the cutting action is achieved through a push-and-pull ("reciprocating") or back-and-forth motion of the blade. The original trade name, Sawzall, is often used in the United States, where Milwaukee Electric Tool first produced a tool of this type in 1951. [1] [2]

5. Quick return mechanism - Wikipedia

   en.wikipedia.org/wiki/Quick_return_mechanism

   A quick return mechanism is an apparatus to produce a reciprocating motion in which the time taken for travel in return stroke is less than in the forward stroke. It is driven by a circular motion source (typically a motor of some sort) and uses a system of links with three turning pairs and a sliding pair.

6. Oscillating multi-tool - Wikipedia

   en.wikipedia.org/wiki/Oscillating_multi-tool

   An oscillating multi-tool or oscillating saw is a multitool and power tool that oscillates (rather than rotating or reciprocating), powered by battery or mains. The name "multi-tool" is a reference to the many functions that this tool can perform with the range of attachments available.

7. List of components of oil drilling rigs - Wikipedia

   en.wikipedia.org/wiki/List_of_components_of_oil...

   Drill bit (#26) is a device attached to the end of the drill string that breaks apart the rock being drilled. It contains jets through which the drilling fluid exits. Drill floor (#21) is the area on the rig where the tools are located to make the connections of the drill pipe, bottom hole assembly, tools and bit. It is considered the main area ...

8. Reciprocating motion - Wikipedia

   en.wikipedia.org/wiki/Reciprocating_motion

   Rotary reciprocating saw – Type of mechanical saw; Agitation – Device or mechanism which shakes or stirs something; Scotch yoke – Mechanism to convert between rotational and reciprocating motion; Crank – Simple machine transferring motion to or from a rotating shaft at a distance from the centreline; Crankshaft – Mechanism for ...

9. Power tool - Wikipedia

   en.wikipedia.org/wiki/Power_tool

   As of 2021, an electric motor is the most popular choice to power stationary tools. Other power sources include steam engines, direct burning of fuels and propellants, such as in powder-actuated tools, or even natural power sources such as wind or moving water. In the past, stationary tools were powered by windmills, water wheels, and steam ...