Nanjing Chengke Machinery Co. Limited

1.Metering feeder
2.Main twin-screw extruder
3.Air-cooling pelletizer
4.Cyclone separator
5.Air-cooling vibrating screen
Application：
Filling modification: PE, EVA filled with CaCO3, talcum power, titanium pigment and carbon soot.
The 4^th edition high torque&high speed gearboxes been successfully pushed on the market in the end of 2009 year, which characteristics are: 1. Re-design the structure of gearbox to reduce the noises, on the 1 meter distance,the value of noise is below 80+2dB(A). 2. All the gears processed by the German imported gear grinder to enhance its precision. 3. Optimize the gear teeth to increase the meshing surface and the lifetime of the gear parts. 4. Adopt the SKF bearings, which are Sweden products, lifetime is more than 20000 hours. 5. The function of pressure and spray is designed to the lubrication system to ensure the lubricating effect. 6. The out-way designed cooling system equipped to guarantee the low temperature for the gearbox.

Offering screw diameter is 93mm Metering feeders quipped with single screw, twin screw, or springs to meet different flow properties of bulk particulates; To meet different process requirements and applications, we not only provide the normal torque series, but also the high torque series, which gearbox are designed by our own comapny. the series of SJC twin screw extruder: A: normal series (n≤500r/min, T/A3∠6) B: high speed series(n≥600r/min, T/A3∠6) C: high torque series(n≤500r/min, T/A3≥8) D: high speed and high torque series(n≥600r/min, T/A3≥8) The 4th edition high torque&high speed gearboxes been successfully pushed on the market in the end of 2009 year, which characteristics are: 1. Re-design the structure of gearbox to reduce the noises, on the 1 meter distance,the value of noise is below 80+2dB(A). 2. All the gears processed by the German imported gear grinder to enhance its precision. 3. Optimize the gear teeth to increase the meshing surface and the lifetime of the gear parts. 4. Adopt the SKF bearings, which are Sweden products, lifetime is more than 20000 hours. 5. The function of pressure and spray is designed to the lubrication system to ensure the lubricating effect. 6. The out-way designed cooling system equipped to guarantee the low temperature for the gearbox. Application: compoud modification Specification: Model Center distance (mm) Screw diameter (mm) L/D Rotating Speed (r/min) Motor power kw Torque Nm Torque level T/A3 Throughput kg/h SJC92 A 78 93 32~64 400 250 2815 5.9 750~1250 78 93 32~64 500 250 2250 4.7 750~1250 B 78 93 32~64 600 315 2365 5 940~1570 C 78 93 32~64 400 350 3940 8.3 1050~1750 78 93 32~64 500 450 4050 8.5 1350~2250 D 78 93 32~64 600 550 4125 8.7 1650~2750

Selling twin screw extruder for filling process : - Model: SJC 1. Metering feeder 2. Main twin-screw extruder 3. Air-cooling pelletizer 4. Cyclone separator 5. Air-cooling vibrating screen - Application : Filling modification: PE, EVA filled with CaCO3, talcum power, titanium pigment and carbon soot. - The 4th edition high torque & high speed gearboxes been successfully pushed on the market in the end of 2009 year, which characteristics are : 1. Re-design the structure of gearbox to reduce the noises, on the 1 meter distance, the value of noise is below 80+2dB(A). 2. All the gears processed by the German imported gear grinder to enhance its precision. 3. Optimize the gear teeth to increase the meshing surface and the lifetime of the gear parts. 4. Adopt the SKF bearings, which are Sweden products, lifetime is more than 20000 hours. 5. The function of pressure and spray is designed to the lubrication system to ensure the lubricating effect. 6. The out-way designed cooling system equipped to guarantee the low temperature for the gearbox.

The screw diameter is 35.6mm Metering feeders quipped with single screw, twin screw, or springs to meet different flow properties of bulk particulates; To meet different process requirements and applications, we not only provide the normal torque series, but also the high torque series, which gearbox are designed by our own comapny. the series of SJC twin screw extruder: A: normal series (n≤500r/min, T/A³∠6) B: high speed series(n≥600r/min, T/A³∠6) C: high torque series(n≤500r/min, T/A³≥8) D: high speed and high torque series(n≥600r/min, T/A³≥8) The 4^th edition high torque&high speed gearboxes been successfully pushed on the market in the end of 2009 year, which characteristics are: 1. Re-design the structure of gearbox to reduce the noises, on the 1 meter distance,the value of noise is below 80+2dB(A). 2. All the gears processed by the German imported gear grinder to enhance its precision. 3. Optimize the gear teeth to increase the meshing surface and the lifetime of the gear parts. 4. Adopt the SKF bearings, which are Sweden products, lifetime is more than 20000 hours. 5. The function of pressure and spray is designed to the lubrication system to ensure the lubricating effect. 6. The out-way designed cooling system equipped to guarantee the low temperature for the gearbox. Application: compoud modification Specification: Model Center distance (mm) Screw diameter (mm) L/D Rotating Speed (r/min) Motor power kw Torque Nm Torque level T/A3 Throughput kg/h SJC36 A 30 35.6 32~64 400 11 125 4.6 30~60 B 30 35.6 32~64 600 15 115 4.2 40~80 C 30 35.6 32~64 400 18.5 220 7.7 50~90 30 35.6 32~64 500 22 210 7.3 60~110 D 30 35.6 32~64 600 30 230 8 90~150 30 35.6 32~64 800 37 220 7.7 110~180 special explanation of this twin screw extruder A: normal series (n≤500r/min, T/A³∠6) B: high speed series(n≥600r/min, T/A³∠6) C: high torque series(n≤500r/min, T/A³≥8) D: high speed and high torque series(n≥600r/min, T/A³≥8)

The screw diameter is 51.4mm Metering feeders quipped with single screw, twin screw, or springs to meet different flow properties of bulk particulates; To meet different process requirements and applications, we not only provide the normal torque series, but also the high torque series, which gearbox are designed by our own comapny. the series of SJC twin screw extruder: A: normal series (n≤500r/min, T/A³∠6) B: high speed series(n≥600r/min, T/A³∠6) C: high torque series(n≤500r/min, T/A³≥8) D: high speed and high torque series(n≥600r/min, T/A³≥8) The 4^th edition high torque&high speed gearboxes been successfully pushed on the market in the end of 2009 year, which characteristics are: 1. Re-design the structure of gearbox to reduce the noises, on the 1 meter distance,the value of noise is below 80+2dB(A). 2. All the gears processed by the German imported gear grinder to enhance its precision. 3. Optimize the gear teeth to increase the meshing surface and the lifetime of the gear parts. 4. Adopt the SKF bearings, which are Sweden products, lifetime is more than 20000 hours. 5. The function of pressure and spray is designed to the lubrication system to ensure the lubricating effect. 6. The out-way designed cooling system equipped to guarantee the low temperature for the gearbox. Application: compoud modification Specification: Model Center distance (mm) Screw diameter (mm) L/D Rotating Speed (r/min) Motor power kw Torque Nm Torque level T/A3 Throughput kg/h SJC52 A 43 51.4 32~64 500 45 405 5.1 130~220 B 43 51.4 32~64 600 55 415 5.2 160~270 43 51.4 32~64 800 75 425 5.3 220~370 C 43 51.4 32~64 500 75 675 8.5 220~370 D 43 51.4 32~64 600 90 675 8.5 270~450 43 51.4 32~64 800 110 620 7.8 330~550 special explanation of this twin screw extruder A: normal series (n≤500r/min, T/A³∠6) B: high speed series(n≥600r/min, T/A³∠6) C: high torque series(n≤500r/min, T/A³≥8) D: high speed and high torque series(n≥600r/min, T/A³≥8)

The screw diameter is 62.4mm Metering feeders quipped with single screw, twin screw, or springs to meet different flow properties of bulk particulates; To meet different process requirements and applications, we not only provide the normal torque series, but also the high torque series, which gearbox are designed by our own comapny. the series of SJC twin screw extruder: A: normal series (n≤500r/min, T/A³∠6) B: high speed series(n≥600r/min, T/A³∠6) C: high torque series(n≤500r/min, T/A³≥8) D: high speed and high torque series(n≥600r/min, T/A³≥8) The 4^th edition high torque&high speed gearboxes been successfully pushed on the market in the end of 2009 year, which characteristics are: 1. Re-design the structure of gearbox to reduce the noises, on the 1 meter distance,the value of noise is below 80+2dB(A). 2. All the gears processed by the German imported gear grinder to enhance its precision. 3. Optimize the gear teeth to increase the meshing surface and the lifetime of the gear parts. 4. Adopt the SKF bearings, which are Sweden products, lifetime is more than 20000 hours. 5. The function of pressure and spray is designed to the lubrication system to ensure the lubricating effect. 6. The out-way designed cooling system equipped to guarantee the low temperature for the gearbox. Application: compoud modification Model Center distance (mm) Screw diameter (mm) L/D Rotating Speed (r/min) Motor power kw Torque Nm Torque level T/A3 Throughput kg/h SJC62 A 52 62.4 32~64 400 55 620 4.4 160~270 52 62.4 32~64 500 75 675 4.8 220~370 B 52 62.4 32~64 600 90 675 4.8 270~370 52 62.4 32~64 800 110 620 4.4 330~550 C 52 62.4 32~64 400 110 1240 8.8 330~550 52 62.4 32~64 500 132 1190 8.5 400~660 D 52 62.4 32~64 600 160 1200 8 480~800 52 62.4 32~64 800 200 1125 8 600~1000 special explanation of this twin screw extruder A: normal series (n≤500r/min, T/A³∠6) B: high speed series(n≥600r/min, T/A³∠6) C: high torque series(n≤500r/min, T/A³≥8) D: high speed and high torque series(n≥600r/min, T/A³≥8)

The screw diameter is 71mm Metering feeders quipped with single screw, twin screw, or springs to meet different flow properties of bulk particulates; To meet different process requirements and applications, we not only provide the normal torque series, but also the high torque series, which gearbox are designed by our own comapny. the series of SJC twin screw extruder: A: normal series (n≤500r/min, T/A³∠6) B: high speed series(n≥600r/min, T/A³∠6) C: high torque series(n≤500r/min, T/A³≥8) D: high speed and high torque series(n≥600r/min, T/A³≥8) The 4^th edition high torque&high speed gearboxes been successfully pushed on the market in the end of 2009 year, which characteristics are: 1. Re-design the structure of gearbox to reduce the noises, on the 1 meter distance,the value of noise is below 80+2dB(A). 2. All the gears processed by the German imported gear grinder to enhance its precision. 3. Optimize the gear teeth to increase the meshing surface and the lifetime of the gear parts. 4. Adopt the SKF bearings, which are Sweden products, lifetime is more than 20000 hours. 5. The function of pressure and spray is designed to the lubrication system to ensure the lubricating effect. 6. The out-way designed cooling system equipped to guarantee the low temperature for the gearbox. Application: compoud modification Specification: Model Center distance (mm) Screw diameter (mm) L/D Rotating Speed (r/min) Motor power kw Torque Nm Torque level T/A3 Throughput kg/h SJC72 A 60 71 32~64 400 90 1015 4.7 220~370 60 71 32~64 500 110 1005 4.6 330~550 B 60 71 32~64 600 132 990 4.6 390~660 60 71 32~64 800 160 990 4.2 480~800 C 60 71 32~64 400 160 1800 8.3 480~800 60 71 32~64 500 200 1800 8.3 600~1000 D 60 71 32~64 600 250 1875 8.7 750~1250 60 71 32~64 800 315 1770 8.2 940~1570 special explanation of this twin screw extruder A: normal series (n≤500r/min, T/A³∠6) B: high speed series(n≥600r/min, T/A³∠6) C: high torque series(n≤500r/min, T/A³≥8) D: high speed and high torque series(n≥600r/min, T/A³≥8)

The screw diameter is 93mm Metering feeders quipped with single screw, twin screw, or springs to meet different flow properties of bulk particulates; To meet different process requirements and applications, we not only provide the normal torque series, but also the high torque series, which gearbox are designed by our own comapny. the series of SJC twin screw extruder: A: normal series (n≤500r/min, T/A³∠6) B: high speed series(n≥600r/min, T/A³∠6) C: high torque series(n≤500r/min, T/A³≥8) D: high speed and high torque series(n≥600r/min, T/A³≥8) The 4^th edition high torque&high speed gearboxes been successfully pushed on the market in the end of 2009 year, which characteristics are: 1. Re-design the structure of gearbox to reduce the noises, on the 1 meter distance,the value of noise is below 80+2dB(A). 2. All the gears processed by the German imported gear grinder to enhance its precision. 3. Optimize the gear teeth to increase the meshing surface and the lifetime of the gear parts. 4. Adopt the SKF bearings, which are Sweden products, lifetime is more than 20000 hours. 5. The function of pressure and spray is designed to the lubrication system to ensure the lubricating effect. 6. The out-way designed cooling system equipped to guarantee the low temperature for the gearbox. Application: compoud modification Specification: Model Center distance (mm) Screw diameter (mm) L/D Rotating Speed (r/min) Motor power kw Torque Nm Torque level T/A3 Throughput kg/h SJC92 A 78 93 32~64 400 250 2815 5.9 750~1250 78 93 32~64 500 250 2250 4.7 750~1250 B 78 93 32~64 600 315 2365 5 940~1570 C 78 93 32~64 400 350 3940 8.3 1050~1750 78 93 32~64 500 450 4050 8.5 1350~2250 D 78 93 32~64 600 550 4125 8.7 1650~2750 special explanation of this twin screw extruder A: normal series (n≤500r/min, T/A³∠6) B: high speed series(n≥600r/min, T/A³∠6) C: high torque series(n≤500r/min, T/A³≥8) D: high speed and high torque series(n≥600r/min, T/A³≥8)