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Topic: Crank pin


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In the News (Thu 16 Feb 12)

  
  CRANK - LoveToKnow Article on CRANK   (Site not responding. Last check: 2007-11-02)
crank by a crank-rod or connecting ad, one end of which works on the crank-pin and the other in a pin in the end of the reciprocating part, the to-and-fro notion of the latter imparts a circular motion to the shaft tnd vice versa.
The crank, instead of being made up as decribed above, may be formed by bending the shaft to the equired shape, as sometimes in the handle of a winch.
Crank or crank-sided is a nautical term used of a ship which by reason of her build or from want of balance is liable to overturn.
26.1911encyclopedia.org /C/CR/CRANK.htm   (408 words)

  
 Information on Crank pin
Crank pin (Mach.), the cylindrical piece which forms the handle, or to which the connecting rod is attached, at the end of a crank, or between the arms of a double crank.
Crank shaft, a shaft bent into a crank, or having a crank fastened to it, by which it drives or is driven.
Crank wheel, a wheel acting as a crank, or having a wrist to which a connecting rod is attached.
www.wkonline.com /d/Crank_pin.html   (299 words)

  
 Crank mechanism and machines, especially engines, using same - Patent 5542308
The crank pin has an eccentric motion profile relative to the axis of the rotary shaft, the eccentric motion profile being controlled by a driving connection between a stator and a rotor which carries the crank pin.
With the existing type of crank mechanism the crank pin rotates concentrically with the axis of the crank shaft and the performance characteristics are inextricably related to the geometric principles of such a crank shaft configuration.
The crank pin is carried by a rotor 7 which in the illustrated embodiment has an internal gear at 13 having a uniform pitch circle diameter and arranged for geared connection with a stator 11 having a mating gear configuration 14 also of constant pitch circle diameter in the illustrated embodiment.
www.freepatentsonline.com /5542308.html?highlight=74/437   (2229 words)

  
 Adjustably positional crank pin support means for wire feeding apparatus - Patent 4638904
The stroke of the drive rod is determined by the crank pin orbit and establishes the angular position and movement of the cable drum and this determines spacing and travel of the wire feed clamps.
The crank pin support member 98 is mounted on rotatable drive crank 90 and is rotatable therewith but is adapted to be slidably moved to various positions relative thereto in which it can be releasably locked, as hereinafter explained.
Crank pin support member 98 is unlocked to allow it to be adjustably positioned longitudinally relative to plate 90; however, it is locked during rotating operation of drive crank 90.
www.freepatentsonline.com /4638904.html   (6367 words)

  
 Crank mechanism for small, single-cylinder, reciprocating engines, particularly refrigerator compressors - Patent ...
An eye at the little-end of the connecting rod is connected to a gudgeon pin attached to the piston, being slidable axially of the gudgeon pin and being kept centred relative to the piston by resilient means.
In fact, despite the fact that the little-end of the connecting rod may oscillate along the gudgeon pin, the angular oscillations of the connecting rod are limited by the clearances with which its eyes are connected to the gudgeon pin and the crank pin respectively.
The crank pin 20 and the gudgeon pin 26 are interconnected by a connecting rod, generally indicated 28.
www.freepatentsonline.com /4407168.html   (1312 words)

  
 Walking beam pump having adjustable crank pin - Patent 4681515
The crank pin moves toward and away from the center of rotation of the bull gear to vary the length of stroke of the link, and in turn the length of the stroke of the walking beam is varied.
As the shaft 140 is rotated to move the half nut 160 and its crank pin 166 toward the center of rotation of the bull gear 120, the length of the stroke of the walking beam assembly 50 is decreased in accordance with the decreasing radius of the lever arm of the link 90.
Accordingly, whatever length of stroke is determined by the placement of the plate 430 and the crank pin roller 432, a further reduction, or a decrease by one-half of that stroke, may be obtained by reversing the placement of the head and the counterweight assembly on the walking beam 450.
www.freepatentsonline.com /4681515.html   (11444 words)

  
 ecc-crank-1
The eccentric crank pin is attached to the eccentric crank which is in turn attached to the end of the main pin.
The dimensions and position of the eccentric crank that will place the eccentric crank pin in the proper position relative to the main pin in order to provide the correct timing is determined by the engineering department and is specified on the locomotive construction drawings.
Note that when the main pin is on either the the front or back dead centers the eccentric crank pin is 90 degrees from the the center line of motion, and that the link is at position (X).
www.jghtech.com /html/ecc-crank-1.html   (874 words)

  
 [No title]   (Site not responding. Last check: 2007-11-02)
The effective crank throw radius 218 in this embodiment is the instantaneous distance between the axis of rotation 110 of the crank shaft and the position of the crank pin center 220..
The position of the crank pin 210 in the slot 212 is controlled by a pair of templates 222, which are fixed to the stationary engine structure (not shown) of the engine 101.
This is because the upwards motion of the dwell piston slows substantially as the dwell crank pin 210 begins to move radially along the crank throw slots 212 from the outer effective crank throw radius 236 to the inner effective crank throw radius 234.
www.wipo.int /cgi-pct/guest/getbykey5?KEY=05/10329.050203&ELEMENT_SET=DECL   (9246 words)

  
 MACHINE-GUN - LoveToKnow Article on MACHINE-GUN   (Site not responding. Last check: 2007-11-02)
The arm B of the crank handle then engages the buffer stop C and causes the crank axle E to rotate and the crank E to fall and so draw back the lock from, and open, the breech.
At its rear end it engages by means of a pin (14) in a :am slot (97) in the bottom rib of the bolt (13), and at (83) it bears the pivot of the cartridge extractor (82).
The pin (14) working in the cam groove (97) causes the rear of the bolt to rise and clear itself from the recoil blocks (not shown) on the receiver, and then to move rearwards horizontally, driving the hammer back until the latter is caught and held by the sear and trigger.
69.1911encyclopedia.org /M/MA/MACHINE_GUN.htm   (8655 words)

  
 Tuning - Stroke
Crank pin - This passes through the big end and ties the two halves of the cranks together.
The stroke is measured as the distance from the center of the crank to the center of the crank pin, then it is multiplied by two to give the full travel.
The area where the con rod rotates on the crank pin is a smaller diameter than the rest of the pin so the centers do not align.
www.scooterhelp.com /tuning/defs.stroke.html   (386 words)

  
 Optimized on-site machining of crank pins
With the new tool, crank pin machining, fillet radius machining, polishing, measuring and finishing operations can be performed one after the other without any need to dismount the actual turning basket.
Polishing of the lubricating holes in the crank pin surface.
Polishing and superfinishing of the crank pin surface.
www.ciserv.com /Sweden/Services/Optimized_onsite_machining_of_crank_pins.html   (519 words)

  
 CRANK - Online Information article about CRANK   (Site not responding. Last check: 2007-11-02)
PIN (a doublet with " pen " from Lat.
pin, projecting from it at right angles and parallel to the shaft.
Crank is also the name given to a labour machine used in prisons as a means of See also:
encyclopedia.jrank.org /COR_CRE/CRANK.html   (1015 words)

  
 [No title]   (Site not responding. Last check: 2007-11-02)
from their respective crank pin discs, where, with the crank pin discs placed in their operating position, they lie quite closely to, though without touching the edges on, the top and bottom flanges (12 and 12') of the yoke.
The displacement in parallel makes possible that the crank pins (7,7') may be given so far a projection away from their crank pins (9,9') that they can carry the crosshead slides (14,14') formed by joining the two symmetrical crosshead slide halves (27,27' Figs.
The drafted engine has an overall height from the crank pin centre to the top of the piston of about 70% of the corresponding overall height of engines with crank pin and connecting rod mechanisms.
www.wipo.int /cgi-pct/guest/getbykey5?KEY=00/03122.000120&ELEMENT_SET=DECL   (4613 words)

  
 Piston Pin Suppliers,Crank Pin Manufacturers,Piston Pin Exporter,Crank Pin Exporters,India
Gudgeon Pin/Piston Pin and mostly in American nomenclature known as Wrist Pins, are an integral part of all types of internal combustion engines, Otto or Diesel types, 2 strokes and 4 types.
Gudgeon pin is a component to fasten the Piston and the Connecting Rod severally and securely, but at the same time permitting enough play for the free angular movement of the Connecting Rod according to the requirements of kinematics of the Engine assembly.
Most of the Gudgeon Pins are hollow cylinders made out of special alloy steels having highly polished and hard outer surface to bear the wear and tear due to the to and fro motion of the Piston shaft.
www.mecneedle.com /cylindrical-pin.html   (549 words)

  
 TRAXXAS_Support_How to_   (Site not responding. Last check: 2007-11-02)
Line up the wrist pin bore in the rod with the wrist pin bore in the piston and slide the wrist pin through the larger opening of the piston.
Key the starter shaft to the crank pin by slowly rotating the starter shaft as pressure is applied towards the crankshaft.
Once the starter shaft is keyed into the crank pin, join the back plate to the engine case and secure the assembly with the four 3x6CS screws.
www.traxxas.com /support/howto/trx_trouble_25enginerebuild.htm   (1662 words)

  
 STRENGTH OF MATERIALS - LoveToKnow Article on STRENGTH OF MATERIALS   (Site not responding. Last check: 2007-11-02)
This result is of some importance in application to the pins of pin-joints, which may be treated as very short beams liable to give way by shearing.
We shall first consider the ideal case in which the forces at the ends are strictly axial, the strut perfectly straight and free from transverse loads and perfectly symmetrical as to elasticity.
Two conditions have to be distinguishedthat in which the ends are held by pins or sockets which leave them free to rock, and that in which the ends are held fixed.
www.87.1911encyclopedia.org /S/ST/STRENGTH_OF_MATERIALS.htm   (13075 words)

  
 How Ornithopters Fly - Cardan Crank Drive Units   (Site not responding. Last check: 2007-11-02)
A Cardan crank especially consists of an internal gear and a planetary gear with a crank pin.
The main crank pin (blue, next picture) generates the flapping and the phase displaced movement of the control crank pin (lilac) the twisting or pitching of the wing.
Prerequisite for the switching and keeping of the power flight position of the internal gear is a continuous braking force on the main crank pin and on the scotch yoke, respectively.
www.ornithopter.de /english/crank.htm   (598 words)

  
 Crank pin,connecting rods,crank pin manufacturers,connecting rods suppliers,connecting rod kit assembly ...   (Site not responding. Last check: 2007-11-02)
The object of the company is to manufacture Crank pin, Connecting rod kit assembly to cater the replaceable market.
The company is producing Crank Pin, Connecting Rods and Kit for all kind of 2-wheelers, 3-wheelers, mopeds, 100 C.C. capacity vehicles.
Our products are manufactured subject to severe operating conditions of crank pins in the connecting rods of 2 and 3 wheelers internal combustion engines.
www.trade-india.com /hp/2718/catalog.htm   (245 words)

  
 Help!!!!!
If it is the crank pin hitting the back plate you should be able to cut a few thousandths of the end and then go fly.
If it is indeed the con rod and not the crank pin I'd say you got a different crank from the original - check the thickness of the crank web where the crank pin is. You'll probably find it's measurably thicker, causing the problem.
The key statement made by Ice is that the crank pin does not come all the way into the big end of the rod.
www.rcuniverse.com /forum/fb.asp?m=3465039   (1913 words)

  
 Crank Ratchets
The distance from the center of the crank ratchet pin hole to the rear end of the ratchet was changed from 5/8-inch to 1/2-inch, and the overall length was reduced to 1-29/32-inches.
Note that the ratchet is riveted to the crank, not held with a rivet and a cotter pin.
Under the best of circumstances crank ratchets are difficult to see when installed on a Model T. Even then the markings which identify the era when a particular ratchet was made, usually cannot be seen because of their location inside of the crank pocket.
www.mtfca.com /encyclo/ratchets.htm   (2021 words)

  
 Engine Flywheels Rods Crank Shafts for Harley Davidson
These quality American made crank pins and flywheel shafts are made from a premium aerospace approved chromium nickel molybdenum alloy with state of the art computerized manufacturing equipment.
Pins are Rockwell tested 65 on a C-scale.
Crank Pin Boss Thrust Washer For Sportster® models.198/ to present.repl.
www.cas4.com /engine/engine-flywheels2.html   (2432 words)

  
 Eccentric Crank Steam Engine   (Site not responding. Last check: 2007-11-02)
The disadvantage is that the eccentric pin (main connecting rod journal) must withstand twice the shearing stress that a normal engine of the same stroke would have.
The eccentrics are connected to the crank by the connecting pin bisecting the centers of the eccentrics that act as double connecting rods.
The V configuration is necessary to provide the circular motion imparted by the cross-slides to the crank pin.
ghlin2.greenhills.net /~apatter/beamer.html   (383 words)

  
 ThumperTalk.com - Picts of offset crank pin for 5mm stroker crank & modded counter balancer   (Site not responding. Last check: 2007-11-02)
But is holding one side of the crank still, and then applying 101 lb/ft of torque to the other end enough to cause a problem.
You are appling forces to the center line of the crank on both ends...
The cam chain is at its limit with the two "E" base gaskets that sandwich the cylinder spacer that is needed to accomodate the extra stroke.
www.thumpertalk.com /forum/showthread.php?t=313056&page=3   (1549 words)

  
 [No title]
The constant spinning of the crank presses this mass together and squeezes out all of the oil that was carrying it.
In the photo, you can see two holes in the face of the slinger, one is for the screw that fixes the slinger to the crank web (this is a 500cc R51/3, there are two of these on 600cc engines).
The crank pin is hollow, and also is drilled laterally.
darryl.crafty-fox.com /mcpics/vintage/r51-3/rehab/slingers.htm   (998 words)

  
 Eagle Connecting Rod Applications
Ford 351 Cleveland- 2.310 crank pin/.912 piston pin/.8315 b.e.
Ford 2000cc- 2.000 crank pin/.927 piston pin/1.029 b.e.
Jeep 4.2L, 258 c.i.- 2.095 crank pin/.912 piston pin/1.063 b.e.
www.coximport.com /eagle/apps.html   (870 words)

  
 Medium Format Digest Forum: Yashica-MAT LM Crank Handle
Looking at how the broken one was assembled, all I have to do is push the pin out to remove the handle, but not knowing exactly how the pin was installed in the first place, I don't know how to go about doing this.
The picture shows the pin part way out being grasped by needle nose pliers with the caption "Pull out the hinge pin." I looked at my Yashica it looks to me like the pin is just pressed in.
When you put the crank back together, put the steel pin in your freezer to contract it and heat the holes in the crank again to expand them.
www.photo.net /bboard/q-and-a-fetch-msg?msg_id=004Cf1   (963 words)

  
 V8   (Site not responding. Last check: 2007-11-02)
Each crank pin (of four) is at a 90° angle from the previous, so that viewed from the end the crankshaft forms a cross.
While the firing of the cross-plane V8 is regular overall, the firing of each bank is not; this makes designing performance exhaust systems more difficult.
The flat-plane V8 design has crank pins at 180°.
www.brainyencyclopedia.com /encyclopedia/v/v8/v8.html   (1246 words)

  
 Encyclopedia topic: Flat engine   (Site not responding. Last check: 2007-11-02)
Experts distinguish between V (The 22nd letter of the Roman alphabet) -at-180° engines and real boxer engines (horizontally opposed engines).
The horizontally opposed engine has one crank pin per piston while in the V-at-180° engine two pistons share the same crank pin.
The benefit of using an horizontally opposed engine engine versus a V engine is that it provides perfect balance because each piston's movement is exactly counterbalanced by the corresponding piston movement of the opposite side.
www.absoluteastronomy.com /encyclopedia/f/fl/flat_engine.htm   (354 words)

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