202107-29

The Function and Maintenance of Diesel Engine Crankcase Breathing Pipe

Diesel engines are equipped with crankcase ventilation pipes, commonly known as respirators or vents, which can make the cavity of the crankcase communicate with the atmosphere, reduce fuel consumption, reduce failures, and ensure good working performance.

202107-21

Precautions For Marine Diesel Engine Fuel Injection Equipment (5-9)

In the last issue, we mentioned 1-4 points of attention about marine diesel engine fuel injection equipment, and the next 5-9 points are also very important.

202107-20

Precautions For Marine Diesel Engine Fuel Injection Equipment (1234)

In marine diesel engines, the work of fuel injection equipment plays an important role in the fuel combustion process.

202107-15

Failure classification of the diesel engines

Failure classification of the diesel engines

202107-05

Cylinder liner overhaul

The PC ring and cylinder liner are designed to always follow each other.

202106-24

Influencing factors of crankshaft deep hole machining

The coaxiality of the center line of the spindle and tool guide sleeve, tool holder support sleeve, workpiece support sleeve, etc. should meet the requirements

202106-22

The advantages of different materials for the engine block

Currently, the cylinder blocks of gasoline engines are divided into cast iron and cast aluminum. In diesel engines, cast iron cylinder blocks account for the vast majority.

202106-11

Piston Cleaning ring

The piston crown top land height has increased over time to secure the cylinder condition.

202106-01

Crankshaft oil hole process problem

In the machinery manufacturing industry, cylindrical holes with a hole depth more than 10 times the hole diameter are generally called deep holes.

202105-24

Structural measures and manufacturing processes often used in piston rings

Improve wear resistance: chrome plating, nitriding

202105-21

How to check if this auto part is from the original factory?

Pay attention to the high imitation goods, all of the above are the same.

202105-14

Detection method of crankshaft bending

Crankshaft bending deformation: The radial runout error should generally not exceed 0.04~0.06mm. Crankshaft journal: The roundness and cylindricity error generally does not exceed 0.01~0.0125mm.

202105-11

V-type engine three types of connecting rod

For V-type engines, the connecting rods of the left and right cylinders are mounted on the same crank pin, and their structure varies with the type of installation.

202105-07

26 manufacturing processes of piston rings

The main purpose of profiling is to ensure that the outer contour shape of the piston ring is consistent with the designed pressure curve.

202104-22

Causes of damage to the cylinder head gasket

If the engine has "sudden, sudden" abnormal noise and driving weakness, first check whether the engine oil circuit and circuit are normal.

202104-19

What is the difference between a diesel engine and a gasoline engine

When the diesel engine is in the air, it is not the combustible mixture that enters ...

202104-09

What is the difference between a fully supported crankshaft and a non-fully supported crankshaft

The number of main journals of the crankshaft is one more than the number of cylinders, that is, there is a main journal on both sides of each connecting rod journal.

202104-07

What are the characteristics of piston rings

The forces acting on the piston ring include gas pressure, the elastic force of the ring itself, the inertial force of the ring's reciprocating motion...

202103-29

Wear caused by the structure of the engine cylinder liner

cylinder liner ；cylinder ；

202103-24

Classification of pistons

As internal combustion engine pistons work under high temperature, high pressure and high load conditions...

202103-16

Will the cylinder head affect the power?

Since the cylinder head is a part of the combustion chamber, whether the design of the cylinder head is of high quality will affect the efficiency of the engine.

202103-11

Measures to reduce wear of piston rings

There are many factors that affect piston ring wear, and these factors are often intertwined.

202103-04

Shot peening of crankshaft

As one of the key parts of the engine, the crankshaft bears the combined action of alternating bending and alternating torsional loads during the movement.

202103-01

Common angle of cylinder

In automotive internal combustion engines, we mentioned that the "cylinder included angle" is often a V-type engine. Among V-type engines, the common angle is 60 degrees and 90 degrees.

202102-20

Crankshaft Fillet Rolling Machine

Regarding the HEGENSCHEIDT MFD7895 crankshaft rolling machine, its control system uses Siemens PLC S7-300.