High Speed Blown Film Machine
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(with Double Rewinder)
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The screw and barrel of this high speed blown film machine are made of 38 CrMoALA and have undergone nitriding treatment for 3 days, resulting in increased hardness and extended service life.
The double rewinder of this blown film machine is specifically designed for running HDPE, LDPE, and LLDPE materials, with the rotary die head being particularly suitable for making a more even-rolled film when using LDPE.
Technical Parameters
| Model | SJ-50/MC600 | SJ-55/MC800 | SJ-60/MC1000 | SJ-65/MC1200 |
| Screw diameter (mm) | Ø50 | Ø55 | Ø60 | Ø65 |
| Screw L/D ratio | 28:1 | 28:1 | 28:1 | 28:1 |
| Film width (mm) | 200-600 | 300-800 | 400-1000 | 600-1200 |
| Film thickness (mm) | 0.006-0.10 | 0.006-0.10 | 0.006-0.10 | 0.006-0.10 |
| Max. capacity (kg/h) | 45 | 50 | 60 | 70 |
| Die size (mm) | Ø60/100 | Ø80/150 | Ø100/200 | Ø120/250 |
| Power of cooling cylinder (kW) | 0.25 | 0.25X2 | 0.25X2 | 0.25X3 |
| Power of driving motor (kW) | 11 | 15 | 18.5 | 22 |
| Total power (kW) | 28 | 36 | 42 | 48 |
| Cover Dimensions (m) | 5.0*2.1*4.5 | 5.0*2.3*4.8 | 5.5*3.3*5.5 | 5.8*3.6*6 |
| Weight (kg) | 1500 | 2000 | 2300 | 2600 |
Main Components
- Screw 1. Material: 38 CrMoALA
2. Material elemental analysis:
C: 0.35～0.42 Si: 0.20～0.45 Mn: 0.30～0.60 S: ≤0.035 P: ≤0.035
Cr:1.35～1.65 Al: 0.70～1.10 Ni: ≤0.030 Cu: ≤0.030 Mo:0.15～0.25
3. Hardness of tempering: HB260-290
4. Depth of nitriding treatment: 0.4-0.7 mm
5. Hardness of surface: HV900-1050
6. Roughness of surface: 0.32 Ra
7. Linearity of screw: 0.015 mm/m - Main Motor 1. Chaoyue brand, CE standard certificated
2. 1400 rpm, 6-pole type, providing stronger power. - Gearbox 1. High strength hard gearbox boasting service life of more than 10 years
2. Oil of a particular grade with a designated mark that is used to ensure the smooth functioning of bearings. - Rotary Die Head 1. HDPE and LDPE die head available
2. The head of the die features a nitriding treatment, which provides a very smooth interior surface. Polishing offers an additional smoothness to the die. - Air Ring 1. This single lip air ring is constructed from aluminum and has six air inlets for a reliable and efficient performance.
2. A high-speed blower is employed to quickly cool the film. - Electric Parts 1. KEQANG temperature controllers have an estimated lifetime of more than 10 years
2. CHINT contact providing best quality made in China. - Eletric Controller Box and Inverter 1. Shenou Brand Inverters boast an impressive ten-year life, meeting CE standards.
2. CHINT, one of the leading suppliers of switches and buttons in China
3. For improved speed regulation stability and electricity savings of up to 30%, the main motor has been outfitted with frequency control of motor speed. Additionally, the take-up motor has been adapted with a frequency inverter. - Gusset Part (with lifting system) Gusset part adopts Taiwan design, easy to adjust
- Embossing Roller 1. The default dot spacing designed to be 2mm, which can be customized to fit your needs.
2. Air cylinder control makes operation of this system simple and requires no manual labor. - Double Rewinder: Surface Winding 1. The rewinder utilizes either torque motor-enabled center rewinding or friction rewinding with pressure to operate it.
2. Rewinding is effortless and seamless, as is rolls changing .
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