Gearbox for single screw extruder
1) New structure gearbox, high torque, high speed.
2) Gear is 6 grade which is a high precision. High speed overloading hard-tooth surface. The materials are 20CrNi2MoA or 20CrMnMo, HRC 60/62.
3) The output shaft connect with the Screw shaft in splined sleeve.
4) The imported bearings NSK bearings are used. Integrated thrust bearing assembly is Name Luoyang.
5) The bearing and geared are forced to adopted the Hai Brand 6402 oil-lubrication system.
| Reducer | ZLYJ112 | ZLYJ133 | ZLYJ146 | ZLYJ173 | ZLYJ200 | ZLYJ225 | ZLYJ250 | ||||||
| Thrust (KN) | 41 | 54 | 60 | 153 | 187 | 250 | 268 | ||||||
| Reducer | ZLYJ280 | ZLYJ315 | ZLYJ330 | ZLYJ375 | ZLYJ420 | ZLYJ450 | |||||||
| Thrust (KN) | 356 | 403 | 448 | 495 | 545 | 590 | |||||||
| Recommend equipments | |||||||||||||
| Reducer | 112 | 133 | 146 |
173 |
200 | 225 | 250 | 280 | 315 | 330 | 375 | 420 | 450 |
| Ratio | 8 | 8 | 10 | 10 |
12.5 |
12.5 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Screw Diameter(mm) | 35 | 45.5 | 55 | 65 | 75 | 90 | 100 | 105 110 |
120 | 130 150 |
150 160 |
165 | 165 |
| Motor Power(KW) | 5.5-4P | 7.5-4P | 11-4P | 18.5-4P | 25-4P | 45-4P | 45-4P | 55-6P | 75-6P | 132-6P | 132-6P | 160-6P | 200-6P |
| Input Speed (rpm) | 800 | 800 | 900 | 900 | 1000 | 1000 | 1120 | 960 | 960 | 960 | 960 | 960 | 960 |
| Output Speed (rpm) | 100 | 100 | 90 | 90 | 80 | 80 | 70 | 60 | 60 | 60 | 60 | 60 | 60 |
| Note | The motor and Reducer are connected by belt. | The motor is connected with reducer through coupling. | |||||||||||
Gearbox for twin screw extruder
1、Reducer gear for high intensity alloying carburizing steels, by carburizing quench grinding gears, 6th levels of precision. High intensity of gear transmission, low
2、Distribution box small helical gear cone Angle, using qualitative, 38CrMoAlA by nc gear hobbing teeth after nitriding process, high precision, high hardness.
3、Adopt ductile iron box and high strength thrust self-aligning roller bearings design, reliable performance, can withstand the big axial thrust.
4、Reducer and distribution box are equipped with cooling device, safety of operation.
5、All cutting shape smoothly artistic.
Except existing specification, still can design and manufacture according to customers' requirements of other specifications of products.
Main technical performance sheet
| Parameters | Spec | SZ45 | SZ50 | SZ55 | SZ65 | SZ80 | SZ92 |
| Max r/min Input rotation speed |
1500 | 1500 | 1500 | 1500 | 1500 | 1500 | |
| Max r/min Output roution speed |
44.8 | 37.8 | 37.5 | 39.1 | 37.7 | 40 | |
| Input power kw | I8.5 | 22 | 30 | 37 | 55 | 110 | |
| Single-shaft output torque N.m | 1972 | 2779 | 3820 | 4518 | 6786 | 13130 | |
| Distnbution shaft induded angle | 2" 36' | 2" 58' 12” | 2" 36' 14" | 2" 11' 16" | 2" 0' 18" | 1" 52' 3.64" | |
| Connection spline size | 8-48X42X8 | 8-54X46X9 | 6-60X53X14 | 8-65X56X10 | 8-72X62X12 | 10-98X92X14 | |
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