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Catalog: JE Pro Seal Catalog | |
| radial width of a standard automotive piston ring by the use of the following ... 10 6 1 2 3 4 8 1. Free Gap: The end gap clearance when the ring is not compressed 2. End ... Gap: The end gap clearance when the ring is compressed to the ... that contacts the cylinder wall 8. Back Clearance: Distance between the inside diameter of ... is flush with the ring land 9. Axial Clearance: The distance between the ring axial ... height and the piston ring groove width 10. Radial Width: The ... walls. RING FACE SHAPES .182" .162" Piston Crown Top Ring Groove Second Ring ... Groove Oil Ring Groove Wrist Pin Bore Piston Skirt RING DIMENSIONS AND TERMINOLOGY ... Neutral: A term used to describe a piston ring that has no torsional bias or ... ring to twist downward (towards the piston skirt) that enhances the second ... | |
| configuration takes up the axial clearance in the groove, providing a better cross ... . During most of the intake stroke, the piston ring twists upward because of the ... chamber pressures (most notable when piston is near top dead center. A third ... FIGURE 6 RING FUNCTIONS RING FUNCTIONS Piston rings serve three basic functions in an ... gas or pressure from bypassing the piston. This is achieved by maintaining contact ... the heat of combustion from the piston to the cylinder wall where it is then ... of oil on the cylinder wall. As the piston moves downward, the sharp edges of the ... oil ring groove, to the interior of the piston and then back to the oil pan. If the ... piston has pressurized pin oilers , the ... | |
| to lower temperature sections of the piston and the cylinder wall. If the rings ... were stationary in the ring groove, the piston and cylinder wall would experience ... of the cylinder wall, premature wear, piston to ring microwelding and possibly ring ... the ring rotates is determined by the piston rods, friction between the ring sides, ... of vertical or lateral gas ports on the piston. Vertical gas ports are small holes ... into the top (or deck side) of the piston that lead to the back of the top ring ... will cause slow ring rotation Side View PISTON RING SURFACE PISTON RING LAND SURFACE ... OF HIGH AREA ON SURFACE IS MICRO INCHES Piston Ring Piston Ring Groove WHAT IS ... MICROWELDING? Micro-welding occurs when piston material from the ring groove transfers ... . As material transfer continues, axial clearance disappears and the ring will ... | |
| groove process available on JE custom pistons, these rings are used for the most ... that require extremely tight clearances for maximum sealing capabilities. ... flatness allows tighter ring to groove clearance, thus promoting better sealing ... | |
| View Rotational Locking Detent Axial Clearance .001"-.002" Back Clearance .005" min. ... ring face must not protrude past the piston lands axial clearance less than .001" ... Check each ring in its corresponding piston groove to ensure proper axial and ... radial clearance (fig. 1 2) Always install Pro Seal ... grooves can damage both the ring and piston ring groove Lubricate new rings with ... | |
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