SJSL20 2-15kg Mini Lab Twin Screw Extruder Machine Plasitc
Pelletizing Machine
Quick details
Power:5.5kw
Screw material:W6Mo5Cr4V2
Barrel material: 45＃forged steel with the abrasion-resistant alloy 101 (Ni-Fe-Cr-W)
inside that smooth
and abrasion resistant. The hardness is HRC60-64.
L/D:40:1
Output:20-70kg/h according to different material, formula and
technology of process etc.
Revolutions: 0-600rpm；
Reduction ratio: i = 2.5:1
Core axle: High quality alloy steel 40CrNiMo that with high tenacity and durability. It had been treated by the
hardening and tempering process.
Screw diameter:21.7mm
Barrel diameter:22mm, The first section works for main feeding, the fifth section is set up for venting naturally, and the ninth section is set up for vacuum venting and others are blocked.
1). Structure: The first section works for main feeding, and the sixth section is set up for vacuum venting, the others are blocked.
2). Material: The material of the barrel 38CrMoAlA, surface hardness:
HV950-1050, depth 0.5-0.7mm 3). Heating: Adopt multiple step format electric heating. All zones are cast
copper heater. The total heating power is 16KW and the max heating capacity every section can reach
500℃.
4). Cooling: Adopt soft water cooling system in the barrel and tap water
cooling way outside barrel. The circulation pipes are made of
stainless steel and the water inflow regulating valves are
stainless valves.
The brand of electromagnetic valve is DANFOSS.
5). Length: 120*7=840mm
Scope of supply
| No. | Contents | Unit | Quantity | Marks |
| 1 | High speed mixer | set | 1 | 5L |
| 2 | Twin screw extrusion system | set | 1 | |
| 2.1 | Feeding system | set | 1 | 0.25kw |
| 2.2 | SJ-20 Twin screw extruder | set | 1 | 5.5kw, 40:1 |
| 2.3 | Vacuum venting system | set | 1 | 0.75kw |
| 2.4 | Water cycling system | set | 1 | 0.55kw |
| 2.5 | Manual screen changer | set | 1 | |
| 3 | Electric cabinet | set | 1 | |
| 4 | Water stand auxiliary system | set | 1 | |
| 4.1 | Die head | set | 1 | |
| 4.2 | Water trough | set | 1 | 1 M |
| 4.3 | Dryer | set | 1 | 0.26KW |
| 4.4 | Pelletizer | set | 1 | 0.75KW |
| 5 | Documents | set | 1 | |
World famous brands of electronic components
1). Temperature control meter is Japanese RKC meter, intelligent type, double channel;
2). The inverter of extruder is ABB;
3). The low-voltage apparatus and the button adopt SCHNEIDER product;
4). AC contactor adopt SIEMENS product;
5). The main motor is SISMENS BEIDE;
6). The air switch adopts CHINT products. The solid-state relays are from American joint venture
brand;
7). The electromagnetic valve: adopt Denmark DANFOSS product.
Photo of SJSL20 lab mini extruder
Main technical data of various model of twin screw extruder
pelletizing machine
| Model type | Series | Barrel Diameter (mm) | Screw Diameter (mm) | Screw L/D | screw speed n(r/min) | Main motor power(Kw) | Screw torque T(N.m) | Torque rating (T/A3) | Typical production capacity (kg/h) |
| SJSL-20 | A/B | 21.7 | 22 | 32-44 | 400/600 | 4/5.5 | 30 | 4.8 | 2-15 |
| SJSL-36 | A/B/C/D | 36 | 35.6 | 32-48 | 400/600 | 11/15/18.5/22 | 125-225 | 4.6-8.3 | 30-120 |
| SJSL-51 | A/B/C/D | 51 | 50.5 | 32-52 | 500/600 | 45/55/75/90 | 405-680 | 5.1-8.5 | 120-400 |
| SJSL-65 | A/B/C/D | 63 | 62.4 | 32-64 | 500/600 | 75/90/110/132 | 680-1200 | 4.8-8.5 | 180-750 |
| SJSL-75 | A/B/C/D | 72 | 71 | 32-64 | 500/600 | 110/132/160/250 | 995-1890 | 4.6-8.7 | 300-1200 |
| SJSL-95 | A/B/C/D | 94 | 93 | 32-64 | 500/600 | 250/315/450/550 | 2260-4510 | 4.7-8.7 | 700-2500 |
| SJSL-135 | A/B/C/D | 135 | 133 | 32-48 | 400/500 | 550/750/900/1200 | 6200-10800 | 4.4-7.7 | 1550-6500 |
Company Brief
Nanjing Yongjie Qixin Machinery Equipment Co.,Ltd Founded in 2001, covers an area of 20,000 square meters on our own
land, with monthly output of machine 20sets. Our factory is
certificated to CE, ISO9001:2008.The company concentrates on
research, development and production of “high level, accurate,
highly sophisticated series product parallel co-rotating “cordwood”
twin screw extruder, single screw extruder, two stage extruders and
automatic plastic pelletizing machines. We have provided customers
first-class products with “strong torque, high production, energy
conservation and environmental protection products. The special
designed screw structure has realized successfully for “one step
shaping” on many kinds of products, and is widely used in aluminum
composite plate, XPS foaming plate, WP plate, PP, PE sheet
industry, etc.
