
Business Type: Manufacturer
Main Products:injection molding machineryinjection blow machineauxiliary machine
ID:2004091028
Category: Print,Pack,Plastic Rubber & Plastics Products
MOQ:1.00 Set(s)
Injection Moulding Machinery
L/CT/TD/P
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30 Set/Sets per Month for Plastic Machine Injection
Packaging Details
Standard Export Package
Port
Ningbo
SANSHUN Machinery is one of the top 10 Chinese injection moulding machinery manufacturer. We are manufacturing different types of injection moulding machines and range starts from 32 Ton to 2000 Ton. During the past 20 years, our machines had been exported to more than 60 countries.
Characteristics
Sanshun Machinery manufacturing special Injection molding machines for Bakelite products. Bakelite has a number of important properties. It can be molded very quickly, decreasing production time. Moldings are smooth, retain their shape and are resistant to heat, scratches, and destructive solvents. It is also resistant to electricity and prized for its low conductivity. It is not flexible. These characteristics made Bakelite particularly suitable as a molding compound. For Bakelite injection molding, the barrel temperature is set to 70-90'C to heat (with screw shear) the raw materials flowing. The screw is only for compressing and delivering the material into the mold, without melting it. Mold is heated to a temperature (180'C, for instance) to cure the raw materials
Screw configuration - The compression ratio of the screw for bakelite is 1:1 whereas for thermoplastics it's about 1:3-1:4.5
Process - Molding of thermoplastics involve melting whereas in the molding of bakelite only the fusing takes place between particles and no melting is involved.
Advantages
Energy saving, environmental, low noise, quick response, high-efficiency, Shorter Cycle Time, Improve Production efficiency


Platen Dimension >>

Technical Parameters >>
MODEL | SHE230B | ||
INJECTION UNIT | UNIT | A | B |
Screw diameter | mm | 45 | 48 |
Shot size(theoretical) | Cm3 | 490 | 550 |
Shot weight | g | 588 | 660 |
Injection pressure | Mpa | 227 | 200 |
Injection rate | g/s | 130 | 148 |
Screw L/D ratio | L/D | 16 | 15 |
Screw speed | r.p.m | 0-180 | |
Nozzle Diameter | Srmm | 20 | |
CLAMPING UNIT | |||
Clamp tonnage | KN | 2300 | |
Toggle stroke | mm | 510 | |
Mould Thickness | mm | 200-530 | |
Space between tie-bars | mm | 535X533 | |
Ejector stroke | mm | 155 | |
Ejector tonnage | KN | 70 | |
Ejector number | Piece | 9 | |
Hole Diameter | mm | 160 | |
OTHERS | |||
Max. pump pressure | MPa | 16 | |
Pump motor power | KW | 18.5 | |
Machine dimension | m | 5.8X1.8X2.0 | |
Machine weight | t | 6.9 | |
Oil tank capacity | L | 300 | |
+Specially designed screw & barrel for Bakelite, which is made by high strength bi-metallic steel with special treatment, with the characteristic of good corrosion resistance & good abrasion resistance.
+Oil cooling device in the Bakelite screw & barrel ensures the precision of the temperature control.
+According to Bakelite material features, the machine can exhaust while opening the mold.
+It can be converted into thermoplastic injection molding machine after replacing the screw and barrel group.
+Upgraded size of the hydraulic motor improves the injection rate and achieves a better plasticization.
+Specially designed heat resolution plate in the mould platens to meet the Bakelite mold temperature requirements.
+Two sets of mold temperature control interface, controlled by the PLC with high precision.
+Using high-precision linear transducer to achieve high-precision position control. Position setting precision can reach 0.1mm.
+Automatic mold adjustment function can directly input locking pressure and automatically complete mold thickness adjusting by PLC.
Injection Molding Machines widely used in Automotive, Packaging, Electrical, Medical, Household and Appliance sectors. In particular, increasing demand in emerging economies fueled the growth of the injection molding machine market.


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