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China Sunbun 280 Ton Plastic Pen Making PS injection Molding Machine For Sale Hydraulic Small Stationery Moulding Machine
China Sunbun 280 Ton Plastic Pen Making PS injection Molding Machine For Sale Hydraulic Small Stationery Moulding Machine
China Sunbun 280 Ton Plastic Pen Making PS injection Molding Machine For Sale Hydraulic Small Stationery Moulding Machine
China Sunbun 280 Ton Plastic Pen Making PS injection Molding Machine For Sale Hydraulic Small Stationery Moulding Machine
China Sunbun 280 Ton Plastic Pen Making PS injection Molding Machine For Sale Hydraulic Small Stationery Moulding Machine
China Sunbun 280 Ton Plastic Pen Making PS injection Molding Machine For Sale Hydraulic Small Stationery Moulding Machine
China Sunbun 280 Ton Plastic Pen Making PS injection Molding Machine For Sale Hydraulic Small Stationery Moulding Machine
China Sunbun 280 Ton Plastic Pen Making PS injection Molding Machine For Sale Hydraulic Small Stationery Moulding Machine

China Sunbun 280 Ton Plastic Pen Making PS injection Molding Machine For Sale Hydraulic Small Stationery Moulding Machine

FOB Reference Price: Get Latest Price
≥1 Sets
US $28000
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Quick Details

Mold Height(mm):
240 - 620 mm
Ejector Number:
1+12
Ejector Stroke(mm):
180 mm
Ejector Force(kN):
70 kN
Theoretical Shot Volume(cm³):
909 cm³
Injection Rate (g/s):
322 g/s
Injection Weight (g):
827 g
Screw Speed (rpm):
1 - 178 rpm
Screw diameter (mm):
65 mm
Screw L/D Ratio:
20
Distance between Tie Bars:
660x610 mm
Weight (KG):
9300 kg
Place of Origin:
Zhejiang, China
Open Stroke(mm):
615 mm
Model Number:
SK280
Brand Name:
SUNBUN
Power (kW):
22 kW
Product name:
280 ton pen injection molding machine
Keyword:
pen making machine

Quick Details

Distance between Tie Bars(Width)(mm):
660mm
Distance between Tie Bars(Height)(mm):
610mm
Plasticizing Capacity(g/s):
322 cm3/s
Mold Height(mm):
240 - 620 mm
Ejector Number:
1+12
Ejector Stroke(mm):
180 mm
Ejector Force(kN):
70 kN
Theoretical Shot Volume(cm³):
909 cm³
Injection Rate (g/s):
322 g/s
Injection Weight (g):
827 g
Screw Speed (rpm):
1 - 178 rpm
Screw diameter (mm):
65 mm
Screw L/D Ratio:
20
Distance between Tie Bars:
660x610 mm
Weight (KG):
9300 kg
Place of Origin:
Zhejiang, China
Open Stroke(mm):
615 mm
Model Number:
SK280
Brand Name:
SUNBUN
Power (kW):
22 kW
Product name:
280 ton pen injection molding machine
Keyword:
pen making machine
Product Overview

Sunbun, Your best high Speed & Precision Injection Molding Machine

SK series. From 140T-2800T as the lastest generation injection molding machine of SUNBUN group featuring the mechanical Central Locking Structure. Different with 99.9% injection machine among the market

With 100% clamping force and longer open stroke which can be use smaller machine make bigger products. Material saving 2%-6% than normal machine enjoy solid reputation from all the clients.

Horizontal Thermoplastic cheap price injection speed arrive 111-140 mm/s .

FEATURES AT A GLANCE
ADVANTAGE OF " CENTRAL LOCKING TECHNOLOGY "
● 100% Clamping Force Ratio, 10%-20% Higher Than Tradtional One

● Less Fins On The Finished Products

● 2%-6% Raw Material Saved From Tradtional One

● Effective Production For Mold, Mold Board and Pull Rod

●Open Stroke 10%-20% Bigger Than Morlam One

● Less Deformation By CoolIng

CENTRAL LOCKING INJECTION MOLDING MACHINE

1: Big clamping force
2: Big tie bar space
3: Big Open Stroke
4：Rigidity Dia casting Parts
5: High Speed Injection

TRADTIONAL INJECTION MOULDING MACHINE

1: Small Open Troke
2: Small Tie Bar space
3: Small Clamping Force .
PRODUCT SPECIFICATIONS
Item /  Type
Unit
SK280/C1200
Screw Diameter
mm
50
55
60
65
Screw Ratio
L/D
23
21
22
20
Theoretical Injection Volume
cm³
538
650
774
909
Injection Volume （PS）
g
490
592
704
827
Max Injection Rate
cm³/s
190
230
274
322
Injection Pressure
Mpa
223
184
155
132
Injection Stroke
mm
274
Max Injection Speed
mm/s
97
Max Rotational Speed Of Screw
r/min
0-178
Clamping Part
Clamp Tonnage
KN
2800
Toggle Stroke
mm
615
Tie Bar Distane
mmxmm
660X610
Max mold
mm
620
Min Mold
mm
240
Ejection Stroke
mm
180
Ejector Force Forward
KN
70
Ejector Back Force Forward
KN
45
Die Timble Amount
Pcs
1+12
Others
System Pressure
Mpa
17.5
Motor Power
KW
30
Temperature Control Zone Qty
KW
17.25
Oil Tank Capacity
L
350
Machine Size
M
6.4x1.6x2.1
Machine Weight
Ton
9.3

INJECTION SYSTEM

* The enhanced double-cylinder dual-extruding enjection structure will produce a lower back pressure in oil return duringejection. have a quicker injection speed and longer service life
* The dual linear-guide , double displacement balanced stand can improve machine barrel accuracy
* Precise screw design will dramatically improve the injection accuracy and effectively reduce the defective rate. (38/42 CrmoAl)
* The optioncal pneumatic nozzle imported with orginal package has a flexible switch device and reliable seal
* The cylinder with thicker wall and a high power heater can ensure a high plasticizing efficiency

CLAMPING SYSTEM - CENTRAL LOCKING TECHNOLOGY

* SK Series adopts outwards toggle and excelent design ideal . with quite large bar space between four column. Which is required by different industries.
* Super large open stroke is 10%-20% bigger than normal one. More suitable for deep cavity product
* QT500-7 Mold board is much strong for long time service .
* Adopting gear-adjusting ring with high-precision, large-scale transfer and compact structure to facilitate customer adjusting the mold thickness

HYDRAULIC SYSTEM

* With international High Speed Storage motor and Hydraulic Components ensure fast , effcient and long life operation
* Modualr design for High-Response oil circult and hydraulic valve plate Which have a large oil circule and free of damp effectively reduce pressure loss , speed up system response ability
* Original germany oil pipe and seals avoid oil leak
PRODUCT CONFIGURATION
Successful Project
SK280 Comestic Cream box
https://youtu.be/pXWd1CF7uy4
SK230 & SK280 Clear Machine Testing Vdo
https://youtu.be/o5BxMJU1zOI
SK280 Dispoisble Spoon
https://youtu.be/dHIqni-y5RU

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