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Topic: Torque wrench

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	Torque wrench - Wikipedia, the free encyclopedia
		A torque wrench is a tool used to precisely set the force of a fastening such as a nut or bolt.
		A torque wrench is used where the tightness of screws and bolts is crucial.
		The scale on a beam type wrench is prone to parallax error, as a result of the large distance between indicator arm and scale.
	en.wikipedia.org /wiki/Torque_wrench (663 words)

	A.K.O. Inc. - What is torque?
		Simple leverage is the same as torque and both are measured in terms of force and distance (distance is the length of the lever, force is the amount of pulling or pushing applied at the end of the lever).
		A torque wrench is used in conjunction with a threaded fastener for the single purpose of controlling the clamping ability of the fastener.
		Since the torque applied to the head of the fastener is directly proportional, or nearly so, to the load applied, it is possible to measure bolt stress by means of a torque wrench.
	www.akotorque.com /html/wit.html (680 words)

	Torque Wrench - webBikeWorld
		The downside is that micrometer torque wrenches must be set back to zero or to the "stop" setting after use to release the tension on the internal spring.
		A third type of torque wrench that is rarely seen in the casual garage is the dial type.
		The amount of torque that is applied is not affected by where they are held, but the downside of the dial type is that the user must be in a position to read the dial.
	www.webbikeworld.com /r3/torque-wrench (1635 words)

	Digital indicating torque wrench - Patent 4558601
		A digital indicating torque wrench comprising a shaft having a high modulus of elasticity and including a handle at one end, and an elongate actuating arm including a free end which moves with respect to the shaft in response to the application of torque to a workpiece.
		The torque wrench of claim 1, wherein said fixed portion of said displacement means comprises an elongate shaft having a high modulus of elasticity, and wherein said movable portion comprises an elongate rod affixed at one end to said converting means and having a second free end.
		The torque wrench of claim 1, further comprising calibration memory means for storing a correction signal related to the error between a known applied torque and the amount of torque indicated by said computing means in response to said known torque.
	www.freepatentsonline.com /4558601.html (10331 words)

	BMF Torque Wrench Co. - Model Si Wrenches
		Torque reaction is in the plane of the hex nut or bolt, thereby eliminating the tendency of the wrench to twist off the nut when torque is applied.
		One worker positions the wrench on a bolt head and pushes the control valve on the torque wrench.
		Therefore, the torque load in our wrench is distributed across all the ratchet teeth, instead of high loading on 1 or 2 teeth as in other ratchet wrenches (causing them to prematurely fail).
	www.bmftorquewrench.com /modelSi.htm (554 words)

	Torque Talk:
		Hydraulic-powered torque wrench productivity is based upon the flow of the pumping unit, the volume required to extend and retract the hydraulic cylinder and the degree of turn of the nut per stroke of the cylinder.
		The clamping force a bolt exerts on the joint is the preload generated by torquing the bolt and causing the bolt to rotate and to tighten or loosen.
		Torque calculations run up against the real world, and in this world the torque-preload relationship and accuracy can be impacted by what has been referred to as the “nut factor.” About 70% to 90% of the energy required to tighten a bolt is to overcome friction in the joint.
	rockproducts.com /mag/rock_torque_talk_2 (1757 words)

	Torque Wrenches: Critical Tools For Critical Connections
		To select a torque wrench, you have to know the torque requirement of the fastener, which is usually a bolt.
		Using another torque wrench that wasn't stored improperly, torque a bolt to the first value (on a 100 ft-lb wrench, this would be 25 ft-lbs).
		If you are torquing fasteners on something like bus bar, do not use this method-you are better off borrowing a known good torque wrench from a neighboring facility or buying a new one than taking chances.
	www.ecmweb.com /mag/electric_torque_wrenches_critical (2107 words)

	Keeping It All Together, Part 3
		For beam wrenches, the wrench is rotated until the weights come off the floor and the indicated torque and applied torque are recorded.
		Torque extensions are sometimes required to tighten fasteners in locations where the torque wrench will not fit such as the drive shaft flange on older airheads.
		There is a formula for relating actual bolt torque to the wrench torque based on the length of the wrench and extension and the angle between the two.
	home.jtan.com /~joe/KIAT/kiat_3.htm (1169 words)

	Dial Torque Wrench - webBikeWorld
		Our Sears Craftsman "Microtork" micrometer torque wrench is supposedly calibrated from 25-250 inch pounds (2 to 20 ft/lbs.) with a plus or minus 4% accuracy at 20% of total capacity, which is 50 inch pounds, or 4.16 ft/lbs.
		The micrometer type torque wrenches use an internal spring, and springs are notoriously non-linear in their application of force as they get wound up.
		We're very pleased with our Precision Instruments split-beam-type torque wrench, both because of it's accuracy but also because it doesn't use a spring that must be unwound down to 0 ft/lbs.
	www.webbikeworld.com /r3/torque-wrench/dial-torque-wrench.htm (821 words)

	Torque-angle wrench - Patent 5589644
		Wrench head 14 is shaped to slidably engage a socket (not shown) which is to be used to tighten the head of a bolt or a nut.
		In operation, the torque-angle wrench 10 of the present invention is initially oriented at a first position for pivotal rotation about the longitudinal axis of the fastener to which a torque is to be applied, measured as a function of angular rotation.
		Wrench 100 is a multi-sensor system consisting of a common display/control unit 101 and a series of torque-angle adapters 102, 103 for use with a breaker bar 104.
	www.freepatentsonline.com /5589644.html (3814 words)

	Trucking Industry - Tire & Wheel Service, Torque Wrenches
		Torque requirements in the trucking industry are becoming more and more critical due to the pending legislation as the result of accidents caused by wheel loss.
		The Tireman torque wrench is capable of applying torque in left and right rotation.
		The tire valve torque wrench is available with any size torque wrench head required to adjust tire valves back to factory specifications.
	www.torquetools.com /truck.html (467 words)

	Torque Wrench Fix
		The way this wrench is supposed to work is this: you dial in the torque by twisting the handle until the reading engraved on the handle matches your requirements, you then place the socket on the head and tighten the bolt/nut until the wrench makes an audible "click".
		When the torque is strong enough, the arm pushes the clicker back against the spring, the roller bearing rolls out of the groove, and the arm is allowed to quickly move to the other side of the body, under the force generated from the torque.
		When torque is released, the sloped shape of the end of the arm combined with the pressure from the spring force the clicker back down, pushing the arm back to the original side of the body.
	tmack.net /~tmack/twrench (1891 words)

	A Torque Wrench is Not a Tension Wrench. A torque wrench & bolt gage help prevent bolt failures & flange leaks. Bolt ... (Site not responding. Last check: 2007-10-13)
		A Torque Wrench is Not a Tension Wrench.
		Using a torque wrench with a more reliable ultrasonic bolt gage can help you prevent bolt failures and flange leaks.
		Some mechanical engineers use a strain gauge to measure bolt tension because they know a torque wrench is not directly measuring tension.
	www.surebolt.com /Torque_Wrench.htm (1038 words)

	Using a Torque Wrench
		There are a number of torque wrench styles, but the most useful for the home mechanic is a "clicker" wrench.
		A torque wrench also has a pivot point just below the head, and the handle grip that is twisted to set the breaking force for the pivot.
		The clockwise/counterclockwise switch is for using the torque wrench on either clockwise or counterclockwise threaded bolts, not for removing a bolt or loosening it so you can re-torque.
	www.virginiawind.com /tips/torque_wrench.asp (622 words)

	Wrench - Wikipedia, the free encyclopedia
		Tap wrench: a double–handled wrench for turning the square drive on taps used in threading operations (cutting the female threads such as within a nut) or a precision reamer.
		Die wrench: A double–handled wrench for turning the dies used in threading operations (cutting the male threads such as on a bolt).
		Torque wrench: a socket wrench drive tool that measures the amount of rotational force applied to the socket—this may be indicated visually with a rod or dial or may simply slip when a set torque is exceeded.
	en.wikipedia.org /wiki/Wrench (1500 words)

	Advanced Torque Products: Digitally Controlled Torque Wrenches
		Our lightweight (10-13 lbs.) digitally controlled torque wrenches are accurate to ±1% of full scale and have a built-in microprocessor, a PC interface and a printer interface.
		Torquing and operating data can be viewed, printed or transmitted to a computer for analysis.
		Torquing and operating data can be viewed, printed or transmitted to a computer for permanent record.
	www.advancedtorque.com /wrenches/digital.htm (617 words)

	Torque Wrenches,Torque Wrenches Manufacturer,Industrial Torque Wrenches,Slugging Wrenches Manufacturers,Industrial ...
		Torque Master Torque Wrenches are used in various operations where proper torquing of nuts, bolts and other fasteners is critical.
		The advantages of this type Torque Wrench is to prevent the tampering of torque setting during assembly and to Save considerable time.
		All Torque Master Torque Wrenches are calibrated on Mechanical Torque Tester to an accuracy of +/_ 3% as laid down in IS 7145-1973; The Torque Tester is calibrated by Force proving Instrument and Force Proving Instrument is certified by N P L New Delhi.
	www.torquemasterindia.com /torque-wrenches.html (280 words)

	Torque Wrench From Hell (Site not responding. Last check: 2007-10-13)
		After you have fitted the wrench handle to the drilled socket you will need to do a little math to determine the proper amount of torque to dial up for actual torque at the wrench end.
		For example, if you want to generate 65 foot pounds of torque at the wrench end, a is 13 inches and b is 2.5 inches, the setting for the torque wrench is (13 / (13 + 2.5))(65), or.839*65, or 54.516.
		Keep in mind that the distance you place the handle of the wrench into your modified socket should be kept nearly the same as the distance when you measured it.
	www.fargonasphere.com /spiders/TechTips/torque_wrench.html (393 words)

	BMF Torque Wrench Co. - Welcome
		Torque Wrench Company is a leading manufacturer of hydraulic powered torque wrenches for industrial applications.
		Torque Wrench Co. has been providing high quality hydraulic torque wrenches, power sockets and hydraulic power supplies to our customers at reasonable prices.
		Copyright © 1999-2005 BMF Torque Wrench Co., a division of Ft-Lbs Incorporated.
	www.bmftorquewrench.com (272 words)

	TEAM TORQUE - Torque Wrench Repair and Calibration
		Should the wrench pass the initial inspection, it is calibrated and certified to factory or national standards..
		For a accurate torque wrench reading the Final turn of the nut must be tightened with the torque wrench.
		Team Torque Inc. is an independent calibration lab that specializes in the calibration and repair of most torque instruments, including torque wrenches, torque screwdrivers, torque testers, torque multipliers, power torque tools and torque transducers.
	www.teamtorque.com /lab.html (449 words)

	TORQUE WRENCH SECTION (4.1)
		Conventional wrenches click when torque is reached, dial wrenches accurately measure torque and cam and break-over style wrenches prevent overtorquing.
		Dial wrenches are typically used as a quality control instrument to verify or monitor torque.
		Each cam-over wrench utilizes a ball and lobe design allowing the wrench to slip free when torque is reached, eliminating the possibility of over-torque.
	www.etorque.com /html/torque_wrenches.htm (363 words)

	Torque tools and equipment (Product line)
		Conventional torque wrenches can easily over torque and most can not be used on left hand threads.
		These wrenches also have a mechanical advantage over most others, so that less effort is required by the operator.
		Tireman torque wrenches are becoming the choice of major truck tire service centers throughout North America.
	www.torquetools.com /tireman (241 words)

	Torque Products
		The "M" micrometer style click wrench was the first micrometer style click wrench to break the 4% accuracy barrier for click wrenches with a certified 3% accuracy in both the clockwise and counter-clockwise directions.
		The "C" click wrench line is the only click wrench to employ a patented split beam release mechanism that requires no coil springs.
		This feature also allows the wrench to retain its effective length from lowest to full scale, important for use with adapters and user comfort since the wrench doesn't become shorter at full scale.
	www.torqwrench.com /Products/TorqueProducts.htm (515 words)

	i-torque.com - RAD Series Pneumatic Wrench
		Pneumatic Torque Wrenches are supplied with our exclusive light weight aluminum control cage equipped with air filter and precision regulator (to set desired torque of tool), automatic oiling system, hose and quick connect fittings.
		Torque Wrench is individually calibrated on our precision digital torque analyzer.
		Lightweight, speed and precision, each pneumatic wrench operates optimally and with the greatest precision on all your applications.
	www.i-torque.com /airtite_wrench.htm (214 words)

	Spoke Torque Wrench Head Adjustment Tips
		Be sure to torque every fourth spoke so that you do not pull the wheel out of round.
		Once you have all your spokes close to the torque range this will no longer be necessary.
		If you turn the nipple more than 180 degrees to bring it up to torque you will pull the offset of the wheel off to one side or the other.
	www.cyclebuy.com /shopping/fasstco/adjustment.htm (338 words)

	European Car: Precision Instruments Split Beam Torque Wrench
		When there is no torque on the wrench, there is no load on the mechanism.
		C series wrenches are available with torque capacities from 600 in.-lb to 600 ft-lb.
		The Precision Instruments C2FR600H torque wrench is adjusted through its range of 100 to 600 in.-lb quickly and with little effort by turning a small knob.
	www.europeancarweb.com /auto_tools/0403ec_tool/index.html (772 words)

	Astro 1/4" Pistol Grip Impact Wrench - 40 Ft Lbs. Torque at Web Tool Truck
		Astro 1/4" Pistol Grip Impact Wrench - 40 Ft Lbs.
		Astro Pneumatic 826 1/4" Pistol Grip Impact Wrench - 40 Ft lbs.
		Torque 40ft./lbs., Bolt Capacity 1/4", Air Inlet Thread NPT 1/4", Air Hose I.D. Size 3/8", Avg.
	www.webtooltruck.com /detail/AST826.html (97 words)

	Torque Wrench Testimonials
		It's a Spoke Torque Wrench made by Fasst Co. (www.Fasstco.com) and what a beautiful tool it is! Check out their web page for all the details.
		The Fasst Spoke Torque Wrench comes with the torque preset to whatever you specify between 10 and 100 inch pounds.
		It was originally my thought to pick a torque value that would split the difference between the specs so that I could use the same tool on all three bikes (by interchanging the spoke nipple tips).
	www.fasstco.com /html/torque_wrench.html (446 words)

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