The new auto blocker OTB 80 CNC-A4 is the ideal alloy blocker for high volume laboratories. With 4 blocking stations and an output of up to 240 lenses/h, the OTB 80 CNC-A4 is the fastest alloy blocker in the market.

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  • The ideal alloy blocker for big laboratories
  • Designed for professional fully automated alloy blocking. It allows an uninterrupted blocking with no downtime
  • Blocking chucks and alloy can be easily refilled during operation. This all guarantees a high economy
  • It combines the advantage of fully automation with the operational safety of the OTB- blocking stations
  • The OTB 80 CNC-A4 is consequently designed for ultimate efficiency, high process consistency and simplified usability
  • Four blocking stations will be loaded and unloaded by independent linear handlings and achieve a performance of up to 240 lenses per hour
  • These performance numbers are also possible in a mixed block ring operation due to a multi job tray access handling
  • The new Pulse Filling Technology ensures optimized blocking at minimized loss of alloy
  • A special feature of the OTB 80 CNC-A4 is the Machine Split Technology: The machine is equipped with a movable conveyor for best accessibility and easiest maintenance

System advantage

  • Allows an uninterrupted blocking with no downtime
  • Optimized blocking at minimized loss of alloy
  • Ultimate efficiency, high process consistency and simplified usability

CNC-Controlled Auto Blocker with 4 Blocking Stations

Lens Diameter55 mm - 85 mm

Blocking Rings, Blocking Chucks, Measurement Devices, Different Alloy, Chiller, De-Blocking Rings of Various Diameter, Blockpiece Stacker

Axis Position0° - 180°
Blocking ChucksV-groove DIN 58766
Blocking Diameter53 - 68 mm
Blocking Height7 - 10 mm
Blocking MethodAlloy Blocking
Blocking TypePrismatic and Plano
ControlPC based controls with CNC
Front CurvePlano up to 22 dpt.
Lens MaterialAll Material
Prism Angle0° - 6°
Productivity240 lenses/h
Air Pressure Requirement6 bar
Power Requirement (others on request)3 kVA / 400 V / 50 / 60 Hz
DimensionsWidth: 2600 mm, Height: 2200 mm, Depth: 1950 mm
Weight (approx.)1130 Kg
DisclaimerAll data are subject to change without notice. Please verify details with OptoTech.

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