
SK 230T 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 Series 230T Benchtop Small plastic Injection Molding Machine.
Desktop Home Use For electric part making . Standard Speed from 111 mm/s .
Good Plasticizing . CE ISO UL Certified Quality Injection moulding 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 | SK230 / C760 | SK280 / C1200 | |||||
Screw type | A | B | C | A | B | C | D | |
Screw diameter | mm | 45 | 50 | 55 | 50 | 55 | 60 | 65 |
Screw diame-ter ratio | L/D | 22 | 22 | 20 | 23 | 21 | 22 | 20 |
Theoretical injection volume | cm³ | 381 | 471 | 570 | 538 | 650 | 774 | 909 |
Injection volume (PVC) | g | 347 | 428 | 519 | 490 | 592 | 704 | 827 |
Maximum rate for inject-ion to air | cm³/s | 167 | 207 | 250 | 190 | 230 | 274 | 322 |
Injection pressure | MPa | 199 | 161 | 133 | 23 | 184 | 155 | 132 |
Injection stroke | mm | 240 | 274 | |||||
Maximum injection speed | mm/s | 111 | 97 | |||||
Maximal Rotational Speed of Screw | r/min | 221 | 178 |
Clamping part
Item/type | Unit | SK230 / C760 | SK280 / C1200 | ||||
Clamp Tonnage | KN | 2300 | 2800 | ||||
Toggle stroke | mm | 550 | 615 | ||||
Distance between tie bars | mm×mm | 580x530 | 660x610 | ||||
Maximum mould height | mm | 560 | 620 | ||||
Minimum mould height | mm | 220 | 240 | ||||
Ejection stroke | mm | 160 | 180 | ||||
Ejector force forward | KN | 70 | 70 | ||||
Ejector force backard | KN | 45 | 45 | ||||
Amount of die thimble | Pcs | 1+12 | 1+12 |
Others
Item/type | Unit | SK230 / C760 | SK280 / C1200 | ||||
System pressure | MPa | 16 | 16 | ||||
Motor power | KW | 22 | 30 | ||||
Heater power | KW | 12.65/14.25 | 17.25/18.55 | ||||
Quantity of temperature-control zones | 1+4 | 1+4 | |||||
Bucket capacity | kg | 50 | 50 | ||||
Oil tank capacity | L | 290 | 350 | ||||
Boundary dimension(L×W×H) | m | 5×1.6x2.1 | 6.4x1.6x2.1 | ||||
Machine weight | Ton | 7.2 | 9.3 | ||||
Side dimension of the molding board | ![]() | ![]() |
INJECTION SYSTEM
- 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
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.
ELECTRONIC CONTROL
- 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.
CLAMPING SYSTEM
- 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