202004-26

Finishing of crankshaft hole

The traditional method of machining crankshaft holes is to use a combined boring tool on a special processing machine.

202004-22

Engine cylinder block processing and its process

As a high-tech component of automobiles, the processing of engine blocks gradually penetrates into major enterprises.

202004-16

Assembly of connecting rod bearing

The connecting rod assembly is composed of connecting rod body, connecting rod cover, connecting rod bolt and connecting rod bearing.

202003-30

Main bearing of crankshaft

The main bearing of the crankshaft is commonly called a large bearing. Like the connecting rod bearing, it is also a sliding bearing divided into two halves, namely the main bearing (upper and lower bearings).

202003-25

Aluminum coating of piston rings

The outer surface of the piston ring is often coated to improve the performance characteristics of the ring, such as by changing the frictional or abrasion characteristics of the surface.

202003-23

Impregnated ceramic treatment of piston rings

Piston ring is one of the core parts of the engine. The material of the piston ring should have suitable strength, hardness, elasticity and fatigue resistance, excellent wear resistance, heat resistance and corrosion resistance.

202003-17

Features of V-type six-cylinder engine

V6 engines, as the name suggests, are two sets of cylinders (three on each side) arranged in a "V" shape at a certain angle.

202003-09

Inline six-cylinder engine

The L6 engine has 6 cylinders arranged in a straight line, so it only needs a cylinder head and a set of double overhead camshafts.

202003-02

Selection and inspection of piston rings

There are two types of piston rings for engine overhaul: standard size and enlarged size. We have to choose the piston ring according to the previous cylinder processing size.

202002-19

Cylinder head installation steps and bolt torque

In principle, the installation of the cylinder head should be performed in the order of disassembly first, and then pay attention to the following issues during assembly:

202002-17

Processing characteristics of crankshaft pulling technology

With the continuous improvement of the processing technology of automotive engine crankshafts, compared with crankshaft multi-tool turning and crankshaft milling etc.

202002-10

Technical requirements of the crankshaft

The accuracy of the main journal and connecting rod journal, that is, the diameter dimension tolerance level is usually IT6 ~ IT7;

202002-06

How to distinguish top or comp piston rings

The basis for distinguishing top or comp rings from a piston ring is that top ring is bright, white, and thick, and the comp ring are dark, black, and thin.

202001-16

Quenching and tempering of crankshafts

Quenching process and purpose;Low-temperature tempering process and purpose...

202001-14

Surface treatment of piston ring

Nitriding ring,chrome-plated ring,phosphating ring,oxidation ring

202001-06

Difference between cast iron engines and all-aluminum engines

At present, there are two main types of automobile engines: cast iron engines and all-aluminum engines. So which of these two material engines is the best to use? What is the difference between the two engines?

202001-02

Four types of damage to crankshafts

After the engine is used for a long time, the crankshaft may be damaged due to many reasons. In addition to the crankshaft itself, there are other abnormal damages, such as scratches on the surface of the journal and deformation of the crankshaft.

201912-31

Method for measuring three gaps of 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...

201912-26

Piston ring installation instructions

Before installing the piston ring, the piston ring groove must be cleaned to ensure that the bottom and the upper and lower parts of the ring groove are free of debris and are not damaged...

201907-02

Hot-selling PISTON Used for Caterpillar

Hot-selling PISTON Used for CaterpillarHC Enginepart Supply many models of PISTON used for Caterpillar, including 3066, C6.4, C6.6, C7.1, C9, C7, 416E, 3054, et...