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PID Control Type PET Pelletizing Machine 38CrMoAL Screw / Barrel Material


2-5kg/h 20mm Plastic Recycling Machine PP PE PET Recycling Line PET Pelletizing Machine

Yongjie laboratory mini extruder SJSL20 is widely used among our customers of universities, research center, and factory R&D department for the testing of formula, compounding etc.
Quick details
Screw diameter:21.7mm
Screw material:38CrMoAL
Barrel diameter:22mm
Barrel material:38CrMoAL
Cutting way: water strand, air cooling strand also available
Warranty:one year
Lead time:45 days after deposit
Heating power:16kw
Heating zones: 7 zones
Barrel length:120*7=840mm
Control type:PID

Gear box
Transmission gear: Parallel tri-axial structure is combination of reduction and matrix. The gear is made of high quality alloy (20CrNi2Mo). It had been treated by cementation heat process, the precision grade can reach6th. It guarantees the tooth surface is high speed, overloading, low noise and high torque.
Drive bearing: The brand of axletree: Japanese NSK.
Lubrication: Gear bearings in the gear box will be of oil immersed. There is hydraulic lubrication in the gear engagement and gear bearings.
Cooling: Lubricated cooling adopts shell and tube cooler and circulated water cooling method.

Direction of rotation: Co-rotating
Screw & elements: W6Mo5Cr4V2 (6542#) high speed tool steel that had been treated by the vacuum hardening process with the hardness of the surface is HRC58-62.Molding through dedicated grinding machine. The cleanliness is much better than products out of traditional process.
Core axle: High quality alloy steel 40CrNiMo that with high tenacity and durability. It had been treated by the hardening and tempering process.

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
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

Free spare parts:

- - - -
No. | Contents | Unit | Quantity | Marks |
1 | Screw elements | set | ~100mm | |
2 | Output and input shaft oil seals | piece | 3 | |
3 | Venting room seal ring | piece | 1 | |
4 | Asbestos gloves | pairs | 2 | |
5 | Allen key (inner) | set | 1 | 5 pieces |
6 | Allen key (outer) | set | 1 | 3 pieces |
7 | Slotted, Philips Screw driver | piece | 1 each | 2 pieces |
8 | Copper bar 32*200 | piece | 1 | |
9 | Screw hoisting ring | piece | 2 | |
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Photo ofLaboratory Mini Extruder PVC Pelletizing Machine Pvc Cable Extruder

Main technical data of various model of twin screw extruder pelleitizing machine

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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) |
SJSL20 | A/B | 22 | 21.7 | 32-44 | 500/600 | 4/5.5kw | 30/30 | | |
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 |
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Company Brief
Nanjing Yongjie Qixin Machinery Equipment Co.,LtdFounded 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.

How to choose machine for plastic pellet?
1. Just tell us your rough formula?
2. Your expected output per hour of the mahcine

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Company Profile

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Nanjing Yongjie Qixin Machinery Equipment Co.,Ltd

Nanjing Yongjie Chemical &Machinery Equipment Co., LTD, founded in 2001, is specialized in R&D, production and service of plastic pelletizing machine. Our manufacturer covers an area of 20,000 square meters on our own land, with monthly output of machine 20sets.

Products :

Plastic Pelletizing Machine,PVC Pelletizing Machine,PET Pelletizing Machine

Contact Info:
Contact: Mr. Yongjie
TEL: 86-25-52750152
Fax: 86-25-58736139
Country: CN
Address: No.9 Lanxia Road, Moling Industrial Concentration Area, Jiangning District,211111, Nanjing, China

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