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Speed Increasing Gear Box Of 90m Finishing Mill

Speed Increasing Gear Box Of 90m Finishing Mill

Finishing Mill Speed-increasing Gearbox
The experienced speed is 1500r/min and the balance level is G2.5.
High-speed output shaft speed: 4019r/min
Lowest speed output shaft speed: 3288r/min
Gear meshed speed: 77.2m/s

Products Details

Introduction


Speed Increasing Gearbox of 90m Finishing Mill/ Wire Rod Mill

Wire Rod Mill Speed-increasing Gearbox used carbon alloy steel forging blank, after roughing, workpiece needs to take ultrasonic flaw detection process to quench. In order to ensure the tooth surface with high hardness, tooth surface need to take carburizing and quenching treatment after semi-finishing. The fine grind of the tooth surface to ensure the high accuracy, after finishing the production of gear, the balance test is needed, the experienced speed is 1500r/min and the balance level is G2.5.


Speed increasing gearbox is composed of increasing gearbox body assembly, support base, big gear, transmission axis, matching gear shafts and lubrication system, etc。


wire rod mill speed increasing gearbox.jpgfinishing mill speed increasing gear box.jpg



Parameter


  • Highest speed output ratio: 45/157=0.2866

  • Lowest speed output ratio: (60/157) x (55/60)=0。3503

  • Motor power: 4500KW

  • Motor speed: 800/1300r/min

  • High-speed output shaft speed: 4019r/min

  • Lowest speed output shaft speed: 3288r/min

  • Gear meshed speed: 77。2m/s

  • Gear backlash less than 0.36mm

  • Lubrication of bearing and gear using spray lubrication.

 

hot rolling mill speed increasing gearboxrolling mill speed increasing gearbox



45° Top Cross Units Speed-Increasing Gearbox, the Differential Date Table


 

 Classification

(M/s)

Item

 

Speed ratio

 

Module

 

Number of teeth

 

Center distance

(mm)

 

Input power

(KW)

 

Weight

(T)

65

2.907

8

54/157

1329。5

2500/AC

12.5

2。854

55/157

90

2.907

8

54/157

1329.5

4200/DC

12.5

2。854

55/157

125/105

/

8

57/150

1270。66

/

17

46/150

135/110

0.38

8

52/174

1270。66

6300/AC

11.5



Customer Visiting


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Exhibition


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