VERTICAL RUBBER INJECTION MOLDING MACHINES
Available in the following sizes:
Clamp Force:      25ton/40ton/63ton/75ton/100ton/110ton/150ton/160ton/200ton/220ton/300ton/400ton/450ton/600ton/800ton/1200ton/1500ton/2500ton
Injection Volumes:   100cc/160cc/400cc/630cc/1000cc/1600cc/2000cc/3000cc/4000cc/6400cc/8000cc/9000cc/25000cc

Sanyu designs and manufactures advanced rubber injection molding machines built for precision, consistency, and long-term reliability. With decades of engineering experience and a strong support presence in North America, Sanyu systems are used by manufacturers who need stable processes, repeatable results, and reduced production risk.
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Whether you are molding automotive seals, medical components, or high-performance elastomer parts, Sanyu machines are engineered to improve cycle control, reduce defects, and increase overall efficiency. Click here to learn more about Sanyu.
VJ rubber injection molding machines
high performance machine range
  • 200VJIII
  • 250VJ
  • 400VJ
  • 200VJ + Auto
  • 200VJII
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STI-1.6-200VJIII
Item
Unit
Clamp Force
ton
200
Platen
mm
600 x 600
Tie Bar Distance
mm
685
Daylight
mm
600
Clamp Stroke
mm
400
Ejector Stroke
mm
300
Inj. Volume
cc
1600
Inj. Pressure
Mpa
196
Inj. Rate
cc/s
75
Screw Diameter
mm
50
STI-1.6-250VJ
Item
Unit
Clamp Force
ton
250
Platen
mm
650 x 650
Tie Bar Distance
mm
770
Daylight
mm
600
Clamp Stroke
mm
500
Ejector Stroke
mm
200
Inj. Volume
cc
1600
Inj. Pressure
Mpa
157
Inj. Rate
cc/s
90
Screw Diameter
mm
40
STI-4.0-400VJ
Item
Unit
Clamp Force
ton
400
Platen
mm
630 x 800
Tie Bar Distance
mm
730
Daylight
mm
1000
Clamp Stroke
mm
830
Ejector Stroke
mm
300
Inj. Volume
cc
4000
Inj. Pressure
Mpa
157
Inj. Rate
cc/s
160
Screw Diameter
mm
50
200VJ with linear pick & place automation
  • FEATURES
  • SPECIFICATIONS
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​Self Learning "AI" Injection System
  • Reduced Injection Time
  • Improved Injection Profile Repeatability
  • Uniformed Rubber Temperature
Vent Extruder Unit
  • Degassing of Rubber Prior to Injection
Inverter Pump Motor
  • Reduced Energy Consumption
  • Reduced Noise
Remote Monitoring and Networking
  • Advanced connectivity for Industry 4.0
​Mechanical Redesign
  • Optimized screw, check valve & plunger design
  • ​​Clamp Force: 200 Ton (metric)
  • Platen: 600 x 600mm
  • Clamp Stroke: 400mm
  • Ejector Stroke: 300mm
  • Injection Volume: 1600cc
  • Injection Pressure: 33400psi
  • Injection Rate: 67cc/s
  • Nozzle Stroke: 400mm
vc rubber injection molding machine
HIGH EFFICIENCY MACHINE RANGE
  • 150VC
  • 200VC
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STI-1.0-150VC
Item
Unit
Clamp Force
ton
150
Platen
mm
600 x 600
Tie Bar Distance
mm
685
Daylight
mm
565
Clamp Stroke
mm
375
Ejector Stroke
mm
200
Inj. Volume
cc
1600
Inj. Pressure
Mpa
157
Inj. Rate
cc/s
82
Screw Diameter
mm
35
STI-1.6-200VC
Item
Unit
Clamp Force
ton
200
Platen
mm
600 x 600
Tie Bar Distance
mm
685
Daylight
mm
565
Clamp Stroke
mm
375
Ejector Stroke
mm
200
Inj. Volume
cc
1600
Inj. Pressure
Mpa
157
Inj. Rate
cc/s
82
Screw Diameter
mm
35
VS RUBBER INJECTION MOLDING MACHINES
LARGE SCALE, PERFORMANCE MACHINE RANGE
  • 400VS
  • 450VS
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STI-4.0-400VS
Item
Unit
Clamp Force
ton
400
Platen
mm
630 x 800
Tie Bar Distance
mm
730
Daylight
mm
1000
Clamp Stroke
mm
830
Ejector Stroke
mm
300
Inj. Volume
cc
4000
Inj. Pressure
Mpa
157
Inj. Rate
cc/s
120
Screw Diameter
mm
60
STI-4.0-450VS
Item
Unit
Clamp Force
ton
450
Platen
mm
800 x 1000
Tie Bar Distance
mm
890
Daylight
mm
1000
Clamp Stroke
mm
830
Ejector Stroke
mm
300
Inj. Volume
cc
4000
Inj. Pressure
Mpa
148
Inj. Rate
cc/s
120
Screw Diameter
mm
60

Standard Features

Graphic Touch Screen
PLC Control (AB/Omron/Mitsubishi)
Molding Recipe Storage
Linear Transducers
Sequential Control of all Movements
Dual Level Safety Circuit
Light Curtains
Dual Start Buttons
Nozzle Lift
Steel Safety Doors
Alarm Displays & Diagnostics
Platen Heaters
Platen Heater Breakage Detection
PID Closed Loop Temp. Control
Temperature Regulators
Electrical Circuit for Vacuum Pump
"Slot In" Quick Mold Attachment
Rubber Strip Breakage

Machine Options

Platen Slide
Core Slide
Lower Ejectors (Internal / External)
Upper Ejectors
Closed Loop Injection
Mold Heater Control
Multiple Platen Heat Zones
Vacuum Pump
Cold Runner Temperature Regulator
Rubber Strip Active Feed System
Hooper Cooling
Mold Temperature Recorder
Mold Release Auto Spray
Rear Loading Rollers
Nozzle Shutter