Rail transit & Ship dynamic balance scheme

1.Locomotive brake discs

Locomotive brake discs are large disc-type parts (with diameters ranging from 600 to 1000 mm), and their high-speed braking temperatures can reach 700°C.It is recommended to conduct a balance after each maintenance and file the data by piece.

2.Wheels/wheel sets

Railway wheels and wheel sets are high-speed rotating parts (up to 350 km/h). It is recommended to use G2.Grade 5: File the rebalancing data in long-term use piece by piece.

3.Locomotive drive shaft

The locomotive drive shaft is a slender shaft component with a working speed of 1000 to 3000 r/min.It is recommended to conduct a balance retest of the entire machine after assembly and verify it at multiple speeds.

4.Locomotive crankshaft

The crankshaft of the locomotive diesel engine is a multi-turn heavy-duty component, and there are strict requirements for the unbalance amount allowed for the distribution of each turn.It is recommended to use the dedicated multi-plane balancing machine type and archive the data by turning.

5.Marine propellers

Marine propellers are large-sized special-shaped parts, with a diameter of up to 5 meters and a single piece weight of several hundred kilograms.It is recommended to use the dedicated large item balancing machine type and verify it through water tests.

6.Marine gas turbine

Marine gas turbine rotors generally range from 3000 to 15000 r/min and require G2.Grade 5 and file by piece.

7.Marine drive motor

Marine drive motors are low-speed and high-torque components, with rotational speeds ranging from 100 to 500 r/min, and the rotor is heavy.It is recommended to use a horizontal double-sided balance.

8.Marine turbocharger

The Marine turbocharger rotor can reach a rotational speed of over 30,000 r/min, similar to that of automotive turbochargers.It is recommended to use the precision model.

9.Marine crankshaft

The crankshaft of large Marine diesel engines is a multi-crankshaft super-large component (with a diameter of over 1m). It is recommended to balance each crankshaft separately.

10.Marine diesel engine complete machine

The balance of the Marine diesel engine assembly is carried out after the assembly is completed, and rechecked when the entire machine is in a state to avoid assembly errors being overlooked.