Slewing Reducer JH07

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

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Introduction

JH series slewing reducer is a hardened face planetary gear reduction device designed by our company according to the advanced foreign technologies with all gears adopting grinding process.The reducer has features of compact structure, stable operation, high transmition efficiency, low noise, long service life, high reliability, etc.Such series reducer can be equipped with torque motor, variable frequency motor and corresponding electrical control system to constitute RCV series slewing mechansim and JHF series slewing mechanism.

Specification

Model:JH07

Ratio:176

Rated output torque (N.M):6000

Output gear Parameter (Customization is avaible):m=10,z=12,x=+0.32

Weight(Kg):90

Parameters of RCV series matching torque motor--Rated stalling torque of the motor (Nm):75,95

Parameters of JHF series matching variable frequency motors--Rated power of the motor kw:4.4,5.5.

Recommended Tower cranes t.m:40~125

Slewing Reducer JH07

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Q:total motor kw-100kw,crane class-m6,the crane should be operated on ups as the conventional electric supply is off , back up time require-30 min.: To account for the inefficiencies, and startup currents, you should have a 200 kW (200 kVA) inverter with peak power of 800 kW. The batteries would have to store and deliver about 150 kW. But lead acid batteries would need to be of a higher capacity to guarantee that power level for 1/2 hour, which calculates to 75 kW-hour. I'd say 100 kW-hour capacity. A large 12 volt battery can store about 100 amp-hours which translates to 1 kW-hour, so you would need 100 of this size batteries connected in series/parallel. I made a lot of guesses, you should get better numbers for the motors, the inverters and batteries for a more accurate calculation. An inverter of the size needed will not be a 12 volt unit, but probably 48 or 96 volts DC. so you need to configure your batteries in series parallel to get that voltage. Altogether, the 100 large batteries make this not a practical solution. There are lots of large cranes in the world, what do they use for backup? And why do you need backup. With no power, the clutches would keep the crane and loads fixed in position, my guess.

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Q:i need a list of materials and a step by step precedure: things neded

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