OTC Plasma Plasma welding machine OTC DAIHEN

OTC A-70

Air plasma cutting machines with 70A current and up to 35mm cutting capacity, perfect for precise cutting of medium to thick plates.

Product Specification

OTC A-70 – Heavy-Duty Air Plasma Cutting Machine

High-Precision Inverter Plasma Core • 35mm Maximum Cut Capacity

The OTC A-70 is an advanced air plasma cutting machine engineered specifically for high-precision cutting of medium to thick metal plates. Built with a highly robust chassis and cutting-edge inverter control topology, this machine delivers exceptional, continuous thermal cutting performance across a wide spectrum of demanding industrial applications.

Technical Specifications

Rated Output Current	70A
Output Current Range	25 – 70A
Rated Output Voltage	108V
Rated Duty Cycle	60% @ 70A
Power Supply	3-Phase, 50/60Hz
Input Power Rating	20 kVA / 10.5 kW
Dimensions (WxDxH)	360 x 560 x 550 mm
Net Weight	102 kg
Torch & Cooling System	CT-75 (Air-Cooled / 6-Meter Cable)
Working Gas Medium	Clean Compressed Air

Key Engineering Features

High Cutting Capacity Easily slices through conductive plates up to 35mm thick with absolute edge uniformity.
Stable Plasma Arc Technology Ensures clean dross-free severance paths, radically slashing structural post-grinding costs.
Air-Cooled Torch (CT-75) Ergonomically balanced, lightweight build package optimizing operator hand comfort.
Reduced Noise & EMI Advanced transistorized starting sequence avoids harsh high-frequency interference on local CNC circuitry.

Target Applications

Metal Fabrication: High efficiency clean cuts across steel, stainless steel, and aluminum sheets.
Automotive & Heavy Chassis: Offers the meticulous control required for repairing component parts and transport equipment frames.
Construction & Shipyards: Vital for parting thick structural columns, steel panels, and ship hull plates directly on the shop floor.

Value Advantages

Enhanced Productivity: Unmatched cutting speeds coupled with a 60% duty cycle minimizes downtime.
Cost-Effective Logistics: Uses standard compressed shop air, keeping operational gas consumable costs remarkably low.
Long-Term Durability: Industrial-tier internal boards enclosed within a robust steel cabinet for extreme shop floor resilience.

In summary, the OTC A-70 Air Plasma Cutting Machine successfully bridges high thermal output capacity with localized precision control, providing an indispensable workshop tool for heavy engineering networks requiring reliable structural separation solutions.

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