Medium hardened gear reducer for cranes

QJ series medium hardened gear reducers include crane reducers (JB/T8905.1-1999) and bottom seat type gearbox to cranes. There are 6 basic models of these two types of gearboxes: QJR, QJS, QJRS, QJR-D, QJS-D and QJRS-D.

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Brief introduction of QJ and QJ-D types of crane reducers:

1. Eripheral speed of gears not exceeding 16m/s.
2. Input speed is normally in the range of n1≤1000r/min.
3. Ambient temperature: -40~+45℃.
4. Reversible.

This product is suitable for all relative mechanisms of cranes, and can also be used for driving mechanisms of equipment for transportation, gold mining and mining industries, chemical and light industries.

Brief introduction of QJ-L and QJ-T crane reducers:

1. Rotation speed of the high-speed shaft not exceeding 1500r/m.
2. Ambient temperature: -40~+45℃.
3. Reversible.
4. 17 reduction ratios are available for this type of reducers, QJ-L is with 6 ways of installation arrangements, and 4 for QJ-T.

Brief introduction of ZQA series medium hardened cylindrical gear reducers:

1. Peripheral speed of gears not exceeding 16m/s.
2. Rotation speed of the high-speed shaft not exceeding 1500r/m.
3. Ambient temperature: -40~+45℃.
4. Reversible.
5. 9 reduction ratios are available for this type of reducers, 9 ways of installation. Arrangements and 3 types of low shaft connection.

Brief introduction of ZSCA and ZSC(A)A series medium hardened cylindrical gear reducers:

1.Peripheral speed of gears not exceeding 16m/s.
2.input speed is normally in the range of n1≤1000r/min.
3.ambient temperature: -40~+45℃.
4.Reversible.

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