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188:. The gilmer belt was originally sold by the L. H. Gilmer company after 1949, and represents one of the earliest toothed belt designs. Gilmer belts use trapezoidal teeth to engage matching grooves on toothed pulleys in order to maintain synchronicity between moving parts. Belts are no longer sold under the Gilmer name, although enthusiasts are still likely to refer to toothed belts by the gilmer name.
103:. They are made as flexible belts with teeth moulded onto their inner surface. The belts run over matching toothed pulleys or sprockets. When correctly tensioned, these type of belts have no slippage, and are often used to transfer motion for indexing or timing purposes (hence their name). They are often used in lieu of chains or gears, so there is less noise and a lubrication bath is not necessary.
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from the teeth that ride on the pulleys. The belt is then often thrown from the pulleys and may be further damaged, cut, or break. Although worn teeth may be detectable by careful inspection, internal deterioration is not considered to be reliably detectable and so the observance of service lifetimes
263:
between the belt and its fabric reinforcement. Although this may be caused by age and wear, it is often accelerated by mistreatment of the belt, often during initial installation. Overloading the belt by bending it to a narrow radius is a common cause of damage, either by bending out of the belt's
196:
Toothed belts are made of a flexible polymer over a fabric reinforcement. Originally this was rubber over a natural textile, but developments in material science have had a substantial effect in increasing the lifetime of these belts. This included changes from
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163:
use toothed belt reduction drives to allow the use of a quieter and more efficient slower-speed propeller. Some amateur-built airplanes powered by automotive engines use cog belt reduction drive units.
256:
One failure mode is gradual wear to the tooth shape, which may eventually lead to slippage over rounded teeth. The belt often continues to work, but the relative timing between shafts changes.
268:
a belt in storage. Another cause, particularly with natural rubber belts, is contamination by oil, especially to the edges where the reinforcing fabric is exposed and can cause a wick effect.
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Sprockets on the cam and intermediate shaft are twice the diameter of the sprocket on the crank, so for every two turns of the crankshaft the cam and intermediate shaft is turned one time.
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945:
347:, Experimental Aircraft and Powerplant Newsforum for Designers and Builders, nĀ°55, Dieselis Aircraft, A Prototype Aircraft with a Diesel Engine
423:
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is a flexible belt with teeth moulded onto its inner surface. Toothed belts are usually designed to run over matching toothed pulleys or
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As toothed belts can deliver more power than a friction-drive belt, they are used for high-power transmissions. These include the
249:. There is an increased risk of either over the lifetime of the belt, so it is common for highly-stressed belts to be given a
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designed axis, twisting, levering it into place with tools, bending in the correct axis but to too small a radius, or even
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It is extremely rare for a timing belt to break. More common is for the belt to delaminate, disconnecting the fabric
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72:. Toothed belts are used in a wide array of mechanical devices where high power transmission is desired.
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This should be checked at the midpoint between the cam sprocket and the crankshaft sprocket.
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376:"ENG-10, Camshaft (Timing) Belt and Balance Shaft Belt Tension - Checking and Adjusting"
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325:, "Toothed belt", published 15 September 1998, assigned to
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424:"Timing Belt Pulley Pitch Diameter & Outside Diameter Charts"
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Toothed belts are used widely in mechanical devices, including
400:"Replacing Chrysler 2.2 and 2.5 liter engine timing belts"
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Toothed belts have two failure modes, one gradual and one
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and many others. A major use of toothed belts is as the
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253:and to be replaced before this failure can occur.
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8:
358:"PowerGrip HTD and timing synchronous belts"
259:The catastrophic failure mode is caused by
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946:Outline of motorcycles and motorcycling
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241:A new belt, already damaged by knotting
489:, Gates Rubber Company, archived from
44:Supercharger drive belt in a dragster
7:
180:used for transferring power between
801:Continuously variable transmission
512:, Isky Racing Cams, archived from
25:
623:
534:"Uniroyal to Sell Unit to Gates"
176:was a brand or trade name for a
306:"Huco Timing Belts and Pulleys"
785:Sequential manual transmission
155:aircraft driven by high-speed
1:
30:For the automotive part, see
99:are non-slipping mechanical
509:Definition of a Gilmer belt
988:
483:Synchronous Belts - Part 1
29:
941:
621:
209:and also the adoption of
972:Motorcycle transmissions
933:Anti-lock braking system
806:Dual-clutch transmission
229:in their reinforcement.
928:Traction control system
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126:or motorcycle engine.
76:Design and application
45:
32:Timing belt (camshaft)
579:Motorcycle components
435:sprocket pitch circle
323:US patent 5807194
240:
43:
27:Mechanical drive belt
450:, Dieselis aircraft
426:. Pfeifer Industries
446:For example :
756:Hydrogen fuel cell
538:The New York Times
243:
157:two-stroke engines
118:used to drive the
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751:Gasoline (petrol)
664:Flat twin (boxer)
470:Pennec Gaz'Aile 2
362:Gates Corporation
327:Gates Corporation
97:synchronous belts
16:(Redirected from
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642:Layouts (common)
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455:. Archived from
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308:. Huco Dynatork.
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251:service lifetime
225:fibres), and/or
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139:Harley-Davidsons
137:, notably later
66:synchronous belt
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378:. Clarks Garage
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345:Contact !
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516:on 2010-11-24
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131:primary drive
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85:toothed belts
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770:Transmission
689:Straight-six
540:, 1986-05-22
537:
528:
518:, retrieved
514:the original
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502:
491:the original
482:
476:
461:. Retrieved
457:the original
442:
434:
428:. Retrieved
418:
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404:. Retrieved
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386:
380:. Retrieved
370:
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344:
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270:
261:delamination
258:
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247:catastrophic
244:
233:Belt failure
207:polyurethane
195:
173:
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159:such as the
151:
143:supercharger
128:
112:photocopiers
105:
96:
92:
88:
84:
81:Timing belts
80:
79:
65:
61:
57:
53:
50:toothed belt
49:
47:
36:
967:Belt drives
869:Accessories
855:Shaft drive
845:Chain drive
838:Final drive
674:Inline-four
192:Fabrication
174:gilmer belt
168:Other names
135:motorcycles
116:timing belt
101:drive belts
58:cogged belt
54:timing belt
18:Timing belt
961:Categories
913:Drum brake
908:Disc brake
850:Belt drive
600:Suspension
520:2011-01-16
463:2013-05-12
453:"DslGB001"
430:2014-02-27
406:2014-02-27
382:2014-02-27
292:References
221:(or other
153:Microlight
141:; and the
124:automobile
122:within an
794:Automatic
684:Flat-four
448:Bede BD-5
161:Rotax 532
147:dragsters
145:used for
120:camshafts
93:cog belts
70:sprockets
746:Electric
694:Flat-six
610:Swingarm
402:. AllPar
280:See also
266:knotting
133:of some
62:cog belt
892:Trailer
887:Sidecar
882:Pannier
877:Fairing
829:Slipper
720:Turbine
587:Chassis
199:natural
186:machine
918:Saddle
821:Clutch
778:Manual
741:Diesel
669:Triple
659:V-twin
649:Single
634:Engine
615:Wheels
468:, and
332:
223:aramid
219:Kevlar
95:, and
89:cogged
923:Tires
901:Other
595:Frame
494:(PDF)
487:(PDF)
215:nylon
211:steel
184:in a
182:axles
64:, or
605:Fork
205:and
343:in
201:to
91:or
963::
699:V8
679:V4
536:,
433:.
409:.
385:.
360:.
314:^
217:,
213:,
172:A
149:.
110:,
87:,
83:,
60:,
56:,
52:,
48:A
571:e
564:t
557:v
466:.
364:.
34:.
20:)
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