1. The base frame adoptsintegrally welded structureand heat treatment, which has strong deformation resistance and long service life. 2. The upper ram adopts integral cast steel structure, and finished by machine tool, which is stress durable, deformation resistantand not easy to break. 3. The roller bearings adoptcylindrical roller bearing coupled with flat thrust ball bearing, which can save power 10%-15%. 4. Both ends of the bearings are sealed with heat-resistant and unframed grease seal. 5. The main motor is a three-phase asynchronous motor with IP44 protection grade. 6. The reducer adopts ZSY355 hard gearreducer with bath lubrication,which has long service life and low noise. 7. The speed ratio gear of this machine is forged with 45 steel and finished after heat treating, which has light wear and long service life.
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