SK Series Servo Motor Injection Machine

SK 180T Servo Motor Injection Molding Machine

Central Locking Structure;With 180T Make 200T Product
SK 180T Servo Motor Injection Molding Machine
SK 180T Servo Motor Injection Molding Machine
SK 180T Servo Motor Injection Molding Machine
SK 180T Servo Motor Injection Molding Machine
SK 180T Servo Motor Injection Molding Machine



Sunbun, Your best high speed high 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.

China Sunbun SK 180T Mini Small Desktop  Plastic Injection Molding Machine With Special Central Locking Technology 

HIgh effeciency High Speed Plastic Injection .  Good Quality 10% Big Open Stroke Than Normal China 

Injection machine. Sunbun,  Your Best Thermoplastic Injection Molding Machine 

● 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 

Injection part
Item/type Unit SK140 / C400 SK180/C600
Screw type   A B C A B C
Screw diameter mm 36 40 45 40 45 50
Screw diame-ter ratio L/D 22 22 20 22 22 20
Theoretical injection volume cm³ 188 232 294 276 350 432
Injection volume (PS) g 171 211 267 251 318 393
Maximum rate for inject-ion to air cm³/s 106 131 166 126 159 196
Injection pressure MPa 210 171 135 215 169 137
Injection stroke mm 185 220
Maximum injection speed mm/s 105 111
Maximal Rotational Speed of Screw r/min 210 210
Clamping part 
Item/type Unit SK140 / C400 SK180/C600
Clamp Tonnage KN 1400 1800
Toggle stroke mm 430 490
Distance between tie bars mm×mm 465×418 520×470
Maximum mould height mm 460 545
Minimum mould height mm 180 200
Ejection stroke mm 130 150
Ejector force forward KN 45 45
Ejector force backard KN 30 30
Amount of die thimble Pcs 1+4 1+4
Item/type Unit SK140 / C400 SK180/C600
System pressure MPa 16 16
Motor power KW 14 18.5
Heater power KW 8.2/8.85 9.95/10.95
Quantity of temperature-control zones   1+4 1+4
Bucket capacity kg 25 25
Oil tank capacity L 185 230
Boundary dimension(L×W×H) m 5×1.4×1.8 5.5×1.5×1.9
Machine weight Ton 4.3 5.6
Side dimension of the molding board  
Semi-Automatic PET Bottle Blowing Machine Bottle Making Machine Bottle Moulding Machine PET Bottle Making Machine is suitable for producing PET plastic containers and bottles in all shapes. It is widely used to produce the carbonated bottle, mineral water, pesticide bottle oil bottle cosmetics, wide-mouth bottle and hot fill bottle etc. Beverage bottle, cosmetic bottle, medicine bottle, jar etc.


  • The enhanced double-cylinder dual-extruding enjection structure will produce a lower back pressure in oil return during ejection. 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


  • 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. 


  • The whole electrionic control system is design for full electric and high speed injection molding machine

  • Apply Up-To-Date System,  New hardware design,  intelligent interactive interface ,  A CPU for fast arithmetic speed

  • Using EtherCAT/CAN  All-Date Communication technology Show clear iprovement in all technical indexes. Actsmore accurately in pressure and flow rate control

  • Reserves an internet management systen and energy consumpition display which enables advantanced control modes.


  • SK Series adopts outwards toggle and excellent 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
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