Nook 80154 Left Hand Thread Bronze 1 Start Acme Nut, 1-1/2" Rod Diameter, 4 Turns per Inch, 0.25" Lead

!±8± Nook 80154 Left Hand Thread Bronze 1 Start Acme Nut, 1-1/2" Rod Diameter, 4 Turns per Inch, 0.25" Lead

Rate : | Price : $144.10 | Post Date : Dec 25, 2011 21:21:21
Temporarily out of stock. Order now and we'll deliver when available. We'll e-mail you with an estimated delivery date as soon as we have more information. Your credit card will not be charged until we ship the item.

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Lqiuid Line separators

!±8± Lqiuid Line separators

STAR TRACE's Liquid Line Magnetic Traps are designed to extract the ferrous materials from the slurry or liquid raw materials in order to purify the material in the production process. Strong magnetic tubes filter the flow and extract the unwanted ferrous metal. The unit is simply connected to the existing pipeline via flanged or threaded ends. Simple and easy access is possible using the quick release lid. Cleaning of the magnets is easily accomplished by removing the cover plate of the housing and sliding out each magnet assembly. Construction: Highest grade of magnet material with choices including Neodymium-Iron-Boron(rare-earth), Samarium-Cobalt (rare-earth), Ceramic, and Alnico. 100% Stainless Steel construction. Liquid tight with food grade O-rings. Easy access for inspection and maintenance. Tri-clamp, Bevel-seat (Acme thread), or weld end inlet and outlets. It is equipped with high-energy Rare-earth Magnets. Diameter of magnetic bar is 1". Construction uses Type 304 stainless steel. Type 316 stainless steel available on request. It can be fastened by screw nuts; it also can be fastened by band clamp. Easy-clean type can be provided on request. All of magnetic bars are waterproof. Condition: Well polished. Application: Liquid Trap Magnets are engineered to remove ferrous contaminants from liquid and slurry lines. Efficiently remove tramp iron before maintenance and product contamination problems occur. The benefits of this magnetic separator can be experienced in ...

Lqiuid Line separators

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Air Crash Investigation - Cutting Corners / Fatal Error (S01E06)

!±8± Air Crash Investigation - Cutting Corners / Fatal Error (S01E06)

Alaska Airlines Flight 261, a McDonnell Douglas MD-83 aircraft, experienced a fatal accident on January 31, 2000 in the Pacific Ocean about 2.7 miles (4.3 km) north of Anacapa Island, California. The two pilots, three cabin crewmembers, and 83 passengers on board were killed and the aircraft was destroyed. It was the highest ever death toll of any aviation accident involving a McDonnell Douglas MD-83. Alaska 261 was a scheduled international passenger flight from Lic. Gustavo Díaz Ordaz International Airport in Puerto Vallarta, Mexico, to Seattle-Tacoma International Airport in Seattle, Washington, with an intermediate stop planned at San Francisco International Airport in San Francisco, California. The subsequent investigation by the National Transportation Safety Board determined that inadequate maintenance led to excessive wear and catastrophic failure of a critical flight control system during flight. The probable cause was stated to be "a loss of airplane pitch control resulting from the in-flight failure of the horizontal stabilizer trim system jackscrew assembly's acme nut threads. The thread failure was caused by excessive wear resulting from Alaska Airlines's insufficient lubrication of the jackscrew assembly."

Air Crash Investigation - Cutting Corners / Fatal Error (S01E06)

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IMPERIAL ACME THREADED NUT 3/4"-6.(PACK OF 10)

!±8±IMPERIAL ACME THREADED NUT 3/4"-6.(PACK OF 10)

Brand : Imperial
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Post Date : Nov 26, 2011 02:28:13
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"IMPERIAL" ACME THREADED NUT 3/4"-6. Diameter: 3/4".Threads per Inch: 6.Unplated.

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Air Crash Investigation: [S01E05] Cutting Corners (2/6)

!±8± Air Crash Investigation: [S01E05] Cutting Corners (2/6)

Alaska Airlines Flight 261, a McDonnell Douglas MD-83 aircraft, experienced a fatal accident on January 31, 2000 in the Pacific Ocean about 2.7 miles (4.3 km) north of Anacapa Island, California. The two pilots, three cabin crewmembers, and 83 passengers on board were killed and the aircraft was destroyed. It was the highest ever death toll of any aviation accident involving a McDonnell Douglas MD-83. Alaska 261 was a scheduled international passenger flight from Lic. Gustavo Díaz Ordaz International Airport in Puerto Vallarta, Mexico, to Seattle-Tacoma International Airport in Seattle, Washington, with an intermediate stop planned at San Francisco International Airport in San Francisco, California. The subsequent investigation by the National Transportation Safety Board determined that inadequate maintenance led to excessive wear and catastrophic failure of a critical flight control system during flight. The probable cause was stated to be "a loss of airplane pitch control resulting from the in-flight failure of the horizontal stabilizer trim system jackscrew assembly's acme nut threads. The thread failure was caused by excessive wear resulting from Alaska Airlines's insufficient lubrication of the jackscrew assembly."

Air Crash Investigation: [S01E05] Cutting Corners (2/6)

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Linear Actuators and Linear Motion

!±8± Linear Actuators and Linear Motion

Mechanical energy is an area of science that is making strides every day. The study of how actuators produce mechanical motion by converting various forms of energy into mechanical energy is a source of great exploration. Science finds new ways to make use of actuators every day including for medical purposes. Many scientists believe that the more they study these seemingly simple machines, the more they will discover ways of helping mankind.

The way in which a linear actuator works is that there is a motor that rotates a drive screw using a synchronous timing belt drive. Some linear actuators can also use a worm gear drive or direct drive. Which ever the choice, the turning of the screw pushes a drive nut along the screw, which in turn pushes the rod out and the rotating the screw in the opposite direction will retract the rod. According to the Association of Sciences, the drive screw is either an ACME or ball thread or is belt-driven which is what gives the machine its motion. A cover tube protects the screw nut from environmental elements and contamination thus allowing for the machines use continually without the chance of it getting gummed up. Radial thrust bearings permit the screw to rotate freely under loaded conditions and gives the linear actuator its strength.

Linear actuators usually serve as part of motion control systems. These days most are run by computers. Control systems, a device that you find linear actuators in, move or control objects. This is made possible by the actuators.

There are various forms of energy that run actuators. These forms of energy include, hydraulic, pneumatic, mechanical and electrical. Linear actuators are used a lot in robotics and factory automation.

Linear motion is when an object moves in a straight line. This is the basic concept that drives the linear actuator. One has to stop and consider when choosing a linear actuator which type they need to fit the purpose of their project. Some things to keep in mind are the speed, stroke length and load rating of the actuator. Programmability of the actuator is also a factor especially when the application will be one that requires specialized detail. A linear actuator can be used in just about any forum. Ask yourself some questions when attempting to choose the right one for your project such as are there particular safety mechanisms required, environmental concerns to be addressed or space issues?

Rotary Tables

Linear Actuators and Linear Motion

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