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Yasui Prime D-VWIS System (Vacuum Wax Injector System)

  • Brand:    Yasui
  • Model:  Prime
  • Power:  230V, 50/60Hz, Single Phase
  • Temperature (Display and Set) Range:  40°C – 100°C (104°F – 212°F)
  • Wax Capacity:  ~3.5kg
  • Dimensions:  58cm x 47cm x 51cm
  • Easy Touch to Operate:  LCD Display
  • Weight:  33.5kg (packed 42.0kg)
  • Length:  1-3/4″
  • Country of origin:  Japan



Yasui has been successfully producing vacuum wax injectors for over 30 years, with over 20,000 units installed.

Their latest model, the Prime D-VWIS, offers a precise and controlled amount of wax into a vacuumed mold which eliminates air bubbles, stabilizes wax weights, produces uniform parts, and increases productivity significantly.

Because of its advanced user-friendly computer control system, the operator can tune in the correct settings needed to for each mold that is necessary to achieve the best possible wax pattern. Afterward, that molds “recipe” is saved to the unit’s memory, ready and waiting for its next order. As an option, the settings for each mold can be saved to an RFID chip that is glued or vulcanized to each mold, so the operator needs to only waive the mold over the optional RFID reader and the Yasui Prime will automatically adjust the settings that are particular for the mold you are working with.

RFID is a radio-frequency identification memory chip that can transfer saved data via an electromagnetic field, automatically identifying and tracking tags attached to objects. The tags contain electronically stored information.

Benefits & Features…

  • Large clamp compared to previous generation Yasui D-VWIS
  • Memory for all the molds
  • Easy adjustable Z-axis manually
  • Capable of eliminating shrinkage and model distortion
  • Equal weight of wax
  • Increased productivity
  • User friendly
  • Optional RFID tags and readers are available
  • New operators can start working from day one with already stored parameters
  • Strong machine for heavy production
  • Quality wax patterns can eliminate time-consuming retouches, repairs and eliminate air bubbles
  • Auto preheating
  • Parameters can be adjusted easily
  • X-Y clamp movement for accurate clamp pressure point
  • Simple to check the parameters
  • Easy touch to operate

Power Supply 230V, 50/60Hz, Single Phase
Power Consumption 0.48KVA (max)
Compressed Air Supply 0.40MPa – 0.70MPa
Temperature Display Range 40°C – 100°C (104°F – 212°F)
Temperature Set Range 40°C – 100°C (104°F – 212°F)
VAC Time Set Range 0 sec – 99.9 sec
INJ Time Set Range 0 sec – 600 sec
Heater ON Timer Available By Calendar
Wax Capacity Approximately 3.5kg
Accuracy Of Nozzle Temperature +/- 0.2°C
Maximum Rubber Mold Size:
Standard Size Clamp Unit (WxDxH) 80mm x 100mm x 50mm
Optional Large Clamp Unit (WxDxH) 125mm x 150mm x 80mm
Set Range:
PRESS1 (Primary Pressurizations) 10kPa – 250kPa
Time To Start PRESS2 0 sec – 60 sec
Mold CLAMP 30kPa – 250kPa
Mold Forward 35kPa – 250kPa
Mold HOLD Time 0 sec – 300 sec
Dimensions (WxDxH) 582mm x 473mm x 517mm
Net Weight Approximately 33.5kg
Packing Dimensions (WxDxH) 650mm x 580mm x 620 mm
Gross Weight Approximately 42.0kg

Product Manual


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