The extrusion blow molding process involves melting plastic resin and extruding it into a hollow tube, called a parison. The parison is then placed in a mold, and compressed air is blown into it, causing the plastic to expand and take the shape of the mold. After the plastic cools and solidifies, the mold is opened, and the finished bottle is ejected.

suitable for making plastic bottle, jars, small containers, jerrycans from 50ml to 5L,

The whole blow molding machine is equipped with bilingual operation panel

and automatic configuration from world famous brands to realize the advantages of simple operation

and high automation.

DAWSON MACHINERY & MOULD GROUP

Injection Molding Machine BST-4800
specialized for making PET preforms , caps , pails, buckets, jars, covers, lids. Special screw for PET products, all machine adapt latest Taiwan control system, Japan YUKEN hydraulic valve for highest quality standard and machine performance. We also able to provide mould designing and manufacturing to help you build up all kinds of plastic items manufacturing. 
 

Screw Diameter(mm)	76
Theoretical Shot weight (cm³)	1766
Shot weight (g)	1590
Clamping force (kn)	4800
Toggle stroke (mm)	710
Ejector stroke (mm)	180
Space between tie bars (mm)	750*720
Mould thickness (mm)	280-750
Machine size (m)	8.32.22.2
Machine weight (ton)	16.3

Standard Feature

Injection Molding Machine Standard Feature

CLAMPING UNIT

1. New type 5-point toggle device with the advantage of stable movement curve and gentle shock
2. High-quality mold platen with enough intensity to ensure no out of shape if high-pressure clamping
3. Hard chrome plated high tensile strength tie bars made of superior alloy with a good wear and corrosion resistance
ability
4. Wear-resistant guide for moving platen
5. Transducer control clamping stroke
6. Many step controls for speed and pressure of clamping and opening
7. Ejection device offer dwell, single, more, vibration function
8. Differential high-speed clamping
9. Low pressure mold protection function
10. Hydraulic mold height adjustment derived by gear with rough and fine operation
11. Mechanical and electrical dual safety interlock
12. Automatic centralized lubrication system with far pressure detector

HYDRAULIC UNIT

1. Proportional pressure and flow control with the advantage of fine adjustment and high precision
2. Know-how manifold design, compact, reasonable and fast respond
3. Imported world famous hydraulic valves
4. Imported world famous hydraulic sealing rings
5. Import technology hydraulic hose and fittings
6. Low noise hydraulic system
7. Oil tank with inner stainless-steel container
8. Precision oil filter
9. Oil cooler

CONTROL UNIT

1. 1. The computer is imported from Industry family. The LCD displaying screen with high clarity has Chinese and English
language to display
2. World famous electrical components
3. Close-loop PID temperature control with the advantage of high precision.
4. Deviation preset between high and low temperature. And break control for temperature sensor.
5. Alarming system in case of cold start and no material in hopper
6. Transducer control the injection and opening stroke to accuracy of ±0.05mm
7. 99 steps speed control for increasing and reducing to suit for different technology demands
8. Self-diagnostic and trouble alarm function
9. Parameters lock function to avoid being changed
10. 100 sets of production parameters can be stored into the computer memorial software
11. Machine can record the quantity of products and automatically stop if up to the required quantity.
12. Emergency stop device
13. Alarm lamp

SPARE PARTS

█ Operation Manual █ Normal hopper
█ Level pad █ Heater band █ Mold clip

FAQ

Q: Can we visit your factory?
Sure. We located in Zhangjiagang city which is very near Shanghai. For overseas customers, you can fly to Shanghai Pudong International Airport. We can pick you up in the Airport. (or Hongqiao International Airport. ) We also provide visit online by video.
 
Q: How can we get the exact price of plastic machine? 
Contact us with the products size, shape, annual quantity and photo if possible. We can recommend our machine models with quotation. 
 
Q: Do you provide any spare parts with machine? 
Yes, we offer all necessary spare parts before shipment.(contact us for packing list ) 
 
Q: How about your after-sale service ? 
We offer manual instruction and engineer training before loading,after shipment we provide 24 HRS online support, video technical support or field installation assist. 
 
Q: What is the lead time? 
For customized machine, it takes about 45-50 days after deposit. For stock machine, fast shipment. ( The actual production cycle will vary according to the degree of customization.) 
 
Q: What is the warranty period for your machine ? 
12 months warranty for components and technical support .
 
Q: Do you provide custom machines? 
Most of our machines are customized. Our goal is efficiency and stable performance. We design the machines according to customers products to meet customer' needs. 
 
Q: How can we install the machine when it arrives? 
We can send experienced technicians to customer's country for guiding the installation and commission the machine, also train the customer's employees. 
 
Q: What's DAWSON's advantage? 
DAWSON provide customers with turnkey projects. Including plant design, plastic machine and mold installation, debugging, also we can source the auxiliary equipment for customers. We can ship the full set of machines after testing in our factory. It will save a lot of cost and time. 
 
DAWSON will be your reliable friend in China, and we will always do our best to give you max support!and bottles in all shapes.

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