Method for measuring three gaps of piston ring

Ford
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BMW
2006-2009 New Auto Bmw Mini Cooper Clubman Convertible 1.6L Timing Kit/kit de distribución/spannrollen kit Mini cooper clubman R55 R56 1.6L 2.0L Timing Kit/kit de distribución/spannrollen kit Timing chain kit fit bmw 3 series bmw 5 series z3 e46 e34 e36 for sale/kit de distribución/kit de distribution BMW Timing Chain Kit/kit de distribución/kit de distribution Cooper Timing chain kit/kit de distribución/kit de distribution BMW E30 Timing chain kit/kit de distribución/spannrollen kit BMW 1 Timing chain kit/kit de distribución/spannrollen kit BMW 3 Series Timing chain kit/kit de distribución/kit de distribution BMW Z4 Timing chain kit/kit de distribución/kit de distribution Mini Clubman Timing chain kit/kit de distribución/spannrollen kit
Benz
Timing Chain Kit,kit de distribución,kit de distribution Mercedes Smart Timing Chain Kit/kit de distribución/kit de distribution Mercedes Vaneo Timing Chain Kit/kit de distribución/kit de distribution E 250 Timing Chain Kit/kit de distribución/kit de distribution Mercedes OM668.940 Timing Chain Kit/kit de distribución/kit de distribution Master Timing Chain Kit/kit de distribución/kit de distribution Mercedes-benz OM640.942 Timing Chain Kit/kit de distribución/kit de distribution Mercedes Benz A Class Timing Chain Kit/kit de distribución/kit de distribution Smart Cabrio Timing Chain Kit/kit de distribución/kit de distribution Mercedes benz E200 Timing Chain Kit/kit de distribución/kit de distribution E Class Mercedes Timing Chain Kit/kit de distribución/kit de distribution Mercedes 180 Timing Chain Kit/kit de distribución/kit de distribution Mercedes Benz Parts Timing Chain Kit/kit de distribución/kit de distribution
Opel
Astra Timing Chain Kit Opel Astra G Timing Chain Kit Vauxhall Astra Timing Chain Kit Vauxhall Vivaro Timing Chain Kit Vauxhall Zafira Timing Chain Kit Opel Corsa A14NET Timing Chain Kit Opel K12B Timing Chain Kit Opel Zafira Timing Chain Kit Vauxhall Signum Timing Chain Kit Opel Omega B Timing Chain Kit Opel Zafira Timing Chain Kit
Honda
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Mitusibishi
Mitsubishi Pick Up Timing Chain Kit Mitsubishi Pajero Timing Chain Kit Mitsubishi Montero Timing Chain Kit Mitsubishi Shogun Timing Chain Kit Mitsubishi Lancer Timing Chain Kit Auto Mitsubishi Timing Chain Kit Mitsubishi Mirage Timing Chain Kit
Nissan
Timing Chain Kit /kit de distribución/kit de distribution Cherry Timing Chain Kit/kit de distribución/kit de distribution Homer Timing Chain Kit/kit de distribución/kit de distribution Atlas Timing Chain Kit/kit de distribución/kit de distribution Nissan Almera Timing Chain Kit/kit de distribución/kit de distribution Nissan Sunny Timing Chain Kit/kit de distribución/kit de distribution Nissan Cedric Timing Chain Kit/kit de distribución/kit de distribution Bluebird Timing Chain Kit/kit de distribución/kit de distribution Nissan Serena Timing Chain Kit/kit de distribución/kit de distribution Nissan Frontier Timing Chain Kit/kit de distribución/kit de distribution Nissan 240Sx For Sale Timing Chain Kit/kit de distribución/kit de distribution Nissan Altima Timing Chain Kit/kit de distribución/kit de distribution Nissan Navara Timing Chain Kit/kit de distribución/kit de distribution Nissan Pathfinder Timing Chain Kit/kit de distribución/kit de distribution Timing chain kit fit for Nissan Z24/kit de distribución/kit de distribution Nissan Patrol Timing Chain Kit/kit de distribución/kit de distribution Nissan Vanette Timing Chain Kit/kit de distribución/kit de distribution Leopard Timing Chain Kit/kit de distribución/kit de distribution Nissan QG15DE QG18DE Timing Chain Kit/kit de distribución/kit de distribution Altima X-Trail QR20DE Timing Chain Kit/kit de distribución/kit de distribution Nissan QR25DE Timing Chain Kit/kit de distribución/kit de distribution Nissan Note Timing Chain Kit/kit de distribución/kit de distribution Nissan Micra Timing Chain Kit/kit de distribución/kit de distribution Nissan Caravan Timing Chain Kit/kit de distribución/kit de distribution Nissan Cabstar Timing Chain Kit/kit de distribución/kit de distribution 2005 Nissan Altima Timing Chain Kit/kit de distribución/kit de distribution Nissan 350Z Timing Chain Kit/kit de distribución/kit de distribution Nissan Juke Timing Chain Kit/kit de distribución/kit de distribution Nissan Maxima Timing Chain Kit/kit de distribución/kit de distribution Nissan VH45De 4494CC V8 1990-96 Timing Chain Kit/kit de distribución/kit de distribution Nissan Tiida Timing Chain Kit/kit de distribución/kit de distribution 2006 Nissan Altima Timing Chain Kit/kit de distribución/kit de distribution Nissan Presage Timing Chain Kit/kit de distribución/kit de distribution Navara Timing Chain Kit/kit de distribución/kit de distribution Nissan Armada VK56DE Timing Chain Kit/kit de distribución/kit de distribution Nissan Xterra Timing Chain Kit/kit de distribución/kit de distribution Nissan NA16 Sohc 8V 1.6L 1992-1999 Timing Chain Kit/kit de distribución/kit de distribution Nissan H20 Timing Chain Kit/kit de distribución/kit de distribution Nissan VK45DE Infinity 2002-09 Timing Chain Kit/kit de distribución/kit de distribution Nissan KA20De D22 Lpd22 1999 Timing Chain Kit/kit de distribución/kit de distribution Nissan VQ35DE 2001-04 Pathfider Timing Chain Kit/kit de distribución/kit de distribution Nissan Qashqai Timing chain kit/kit de distribución/kit de distribution Nissan Y61 GRL Timing Chain Kit/kit de distribución/kit de distribution Silvia Timing Chain Kit/kit de distribución/kit de distribution
Toyota
Toyota Corolla Timing Chain Kit Toyota Starlet Timing Chain Kit Toyota Carina Timing Chain Kit Toyota 20R 21R Corona Timing Chain Kit Toyota Land Cruiser Timing Chain Kit Toyota Hiace Timing Chain Kit Toyota Hilux Timing Chain Kit Toyota Celica Timing Chain Kit Toyota Estima Timing Chain Kit Toyota Hilux For Sale Timing Chain Kit Toyota 1RZ Timing Chain Kit Toyota Echo Timing Chain Kit Toyota Verso Timing Chain Kit Toyota 1ZRFE Timing Chain Kit Toyota 1AZ-FE 2AZ-FETiming Chain Kit Lexus Lx450 Timing Chain Kit Toyota Matrix Timing Chain Kit Toyota Tacoma Timing Chain Kit Toyota Fj Cruiser Timing Chain Kit Toyota Highlander Timing Chain Kit Toyota Highlander For Sale Timing Chain Kit Toyota 5GR-FE Timing Chain Kit Toyota Aygo Timing Chain Kit Toyota Auris Timing Chain Kit Toyota Accessories Timing Chain Kit Toyota Vitz Timing Chain Kit Hilux Tacoma Timing Chain Kit Toyota Yaris For Sale Timing Chain Kit Toyota Lexus Timing Chain Kit 2012 Toyota Camry Timing Chain Kit Toyota Sequoia Timing Chain Kit Toyota 3UR-FE Timing Chain Kit Toyota Corolla 2008 Timing Chain Kit Toyota 1zz 1ZZ-FE/3ZZ-FE/4ZZ-FE engine timing chain kits
Suzuki
Suzuki Sx4 Timing Chain Kit Grand Vitara 2005 Timing Chain Kit Suzuki Splash Timing Chain Kit Suzuki Ignis Timing Chain Kit Suzuki Jimny Timing Chain Kit 2004 Suzuki Verona Timing Chain Kit Suzuki Timing Chain Kit Suzuki Grand Vitara For Sale Timing Chain Kit Suzuki K14B Timing Chain Kit Suzuki Grand Vitara 2012 Timing Chain Kit Suzuki Xl7 Timing Chain Kit
Mazda
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Daihastu
Terios Timing chain kit Daihatsu Timing chain kit
Isuzu
Isuzu Timing Chain Kit Isuzu Impulse Timing Chain Kit Isuzu Trooper Timing Chain Kit Isuzu Hombre Timing Chain Kit Isuzu G161Z Timing Chain Kit Isuzu Ascender Timing Chain Kit
Hyundai
Elantra Timing Chain Kit Hyundai Getz Timing Chain Kit Hyundai Motors Timing Chain Kit Tiburon Timing Chain Kit Hyundai 2.0L G4Gc Timing Chain Kit Hyundai Tucson Timing Chain Kit Hyundai Santa Fe Timing Chain Kit Hyundai G4FA Timing Chain Kit Hyundai G4KD Timing Chain Kit Hyundai Timing Chain Kit Hyundai Accent Timing Chain Kit Genesis Timing Chain Kit Hyundai Sonata Timing Chain Kit Hyundai Hb20 Timing Chain Kit Hyundai IX35 Timing Chain Kit
Iveco
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Jeep
Jeep Cherokee Timing Chain Kit Jeep 4.0(242) 6 Cyl. 87-93 Timing Chain Kit Jeep Wrangler Timing Chain Kit Cherokee Jeep Timing Chain Kit Grand Cherokee Timing Chain Kit Jeep Timing Chain Kit Dakota Dodge Timing Chain Kit Ram Trucks 2002 Timing Chain Kit Jeep 4.7-J,N 2002-08 Timing Chain Kit Jeep Commander Timing Chain Kit Jeep Grand Cheroke 3.0L 3.2L 3.6L Timing Chain Kit Jeep Grand Cherokee Timing Chain Kit
Kia
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Chevrolet
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Citroen
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Audi
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Peugeot
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Renault
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Chrysler
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Volkswagen
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Dodge
Dodge Pickup Timing Chain Kit Dodge Magnum Timing Chain Kit Dodge Intrepid Timing Chain Kit Dodge Trucks Timing Chain Kit 76155 Dodge Dakota Timing Chain Kit Dakota Timing Chain Kit 9-0393S Durango Timing Chain Kit Dodge Parts Timing Chain Kit Dynasty Timing Chain Kit Ram 1500 Timing Chain Kit Dodge Journey Timing Chain Kit ,Dodge Caliber Timing Chain Kit Dodge Caravan Timing Chain Kit Dodge 1500 Timing Chain Kit Caravan Timing Chain Kit Dodge Grand Caravan Timing Chain Kit 2013 Dodge Charger Timing Chain Kit
Fiat
Strada Timing Chain Kit Ducato Timing Chain Kit Palio Timing Chain Kit 500 Fiat Timing Chain Kit Fiat Croma Timing Chain Kit Croma Timing Chain Kit Ducato Timing Chain Kit
Acura
K24A2 Honda Parts Acura Tsx Element Timing Chain Kit 2002-2006 KA20A Honda Acura RSX Type S Timing Chain Kit for Sale 2009-2010 KA5AT KA6MT Honda Accord Timing Chain Kit
Alfa romeo
Alfa Romeo 2198CC Brera 2.2JTS 2006.1 Timing chain kit Alfa Romeo Spider (939)2.2JTS 2006.9 Balance kit Alfa Romeo Mito Timing chain kit
American motors
American Motors 2.5-U(150) 4 Cyl. 1983-1987 Timing chain kit American Motors 2.8(173) V6 1985-86 Timing chain kit
Cadillac
Cimarron Timing Chain Kit Cimarron 2.8-W(173) V6 85-88 Timing Chain Kit Cadillac Timing Chain Kit Eldorado Timing Chain Kit
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LTI Timing Chain Kit
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Ldv Timing Chain Kit
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Lancia Timing Chain Kit
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Roewe 350 1.5L Timing Chain Kit
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Method for measuring three gaps of piston ring

2019-12-31

The piston ring works in a high temperature, high pressure, high speed, and poorly lubricated working environment. At the same time, it must have good sealing function, oil scraping, and heat conduction functions. It must ensure its sealing performance and prevent the piston ring from being stuck in the ring Grooves and cylinders, so there must be three gaps when installing the piston ring.

There are three gaps to be measured when the piston ring is installed, namely, the three gaps of the piston ring for short. The first is the opening gap, the second is the axial gap (side clearance), and the third is the radial gap (back gap). Let's introduce the measurement method of piston ring three gaps:

The opening gap
The opening is the gap of the piston ring and the opening after the piston ring is installed in the cylinder to prevent the piston ring from getting stuck after being heated and expanding. When checking the piston ring end gap, put the piston ring into the cylinder and push it with the top of the piston. Then measure the gap at the opening with a thickness gauge, usually 0.25 ~ 0.50mm. Because of the high operating temperature, the end gap of the first ring is larger than that of the other rings.

Side gap
Side gap refers to the upper and lower gap of the piston ring in the ring groove. Too much side gap will affect the sealing effect of piston, too small side gap piston ring will be stuck in the ring groove. During the measurement, the piston ring is put into the ring groove and measured with a thickness gauge. Due to the high operating temperature, the value of the first ring is generally 0.04 ~ 0.10mm, and that of other gas rings is generally 0.03 ~ 0.07mm.The side gap of ordinary oil ring is small, usually 0.025 ~ 0.07mm, and there is no side gap of combined oil ring.

Back gap
Back gap refers to the gap between the back of the piston ring and the bottom of the piston ring groove after the piston is installed in the cylinder. It is generally expressed by the difference between the groove depth and the ring thickness, which is generally 0.30 ~ 0.40mm. Back gap of ordinary oil rings is relatively large. The general practice is to put the piston ring into the ring groove. If it is lower than the ring bank, it can be rotated freely without feeling astringent.

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