most cylinder wear occurs at the top fo the ring travel. Pressure on the top ring is at a peak and lubrication at a minimum when the piston is at the top of its stroke
A Cylinder bore has no choke at all.
Generally the nominal diameter of cylinder bore is kept little smaller at cylinder head than at the bottom. The engine head will be generally heat and it tends to expand for these high temperatures. To prevent the bore diameter at head to exceed diameter at bottom,piston engine bore is ground with a slight choke.
If there was no damage to the cylinder bore then you will not need to bore it oversize.If there was no damage to the cylinder bore then you will not need to bore it oversize.
You should notice a couple of things on purchasing an hydraulic cylinder, Bore Diameter: The diameter of the cylinder bore. Maximum operating pressure: The lowest working pressure is referred to as max. Operating pressure. Rod Diameter: Piston Diameter Type of Cylinder: Types of cylinder are ram cylinder, tie-rod cylinder and welded cylinder. Stroke: The travel distance of a cylinder is referred as stroke.
The bore of a cylinder describes is measurement, in millimeters or inches, of the inside diameter of the cylinder. The diameter is the width across.
Yes. An inside micrometer or bore micrometer can be used for measuring the bore of a machined cylinder.
This is the diameter of the cylinder hole in the engine block for the pistons.
"Cylinder bore" means the bore diameter at the muzzle is the same size as the bore at the front of the cylinder where the shell is when it's fired. Shotguns use "choke" settings to restrict the size of the mass of lead pellets coming out of the muzzle to tighten the mass down onto a further target....a cylinder bore gun has zero choke restriction so the mass of lead pellets stays wide and spread out. Cylinder bore guns are meant strictly for close in targets for that reason.
.040 is the best, But you can go .060 over but it may try to run hot in the summer time.No more then .060 cause after that the cylinder walls are to then.
Inside micrometer
BORE
A shotgun barrel with a cylinder bore choke.