A cylinder sleeve is a replaceable cylinder liner or tube, which is made of a pipe-like section. It is either pressed or pushed into the cylinder block. In case the cylinder cannot be re-bored to an oversize of if there is damage in the liner and it cannot be repaired, the cylinder may be re-sleeved. It is an integral cylindrical part to be fitted into an engine block to create a cylinder.
The liner of cylinder serves as the inner wall of a cylinder sleeves, which forms a sliding surface for the piston rings while holding the lubricant within. The most critical function of a cylinder liner is the excellent characteristic as sliding surface and other things-
- High anti-galling properties
- Less wear on the cylinder liner itself
- Less wear on the partner piston ring
- Less consumption of lubricant
The cylinder liner receives combustion heat via piston and piston rings and transfer the heat to the coolant. It also prevents the compressed gas and combustion gas from escaping outside.
Classification of cylinder liner
There are two types of cylinder liners-
- Wet type cylinder liners
- Dry type cylinder liners
A wet liner cylinder walls that are completely removable and fit into the cylinder by means of gaskets. Dry liner uses either the block’s material or a separate liner inserted into the block to form the cylinder wall backbone.
Installation of cylinder sleeves
The finest way to install cylinder sleeves is to freeze or chill the sleeves and to preheat the block. Putting the sleeves in a household deep freeze will shrink their outer diameter about .002”. Packing the sleeves with dry ice or spraying some liquid nitrogen will shrink them more about .003” or so.
This lets the sleeves to drop right with zero effort, lowering the damage risk or distorting the sleeves.
Once the cylinder sleeves have been installed, the internal of the cylinder can be finished to specifications, getting the rings to seat and seal needs a finish that offers great support for the rings, retains oil and doesn’t need a lengthy break-in period. Always scrub the cylinders once they have been honed. Use warm soapy water and a brush to remove all metallic debris and honing.
This is it. For more info on cylinder sleeves and liners, connect with the expert manufacturing company and avail all desired information about distinct automotive parts.
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