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Air Driven Hydraulic Pump Units

Sandsun

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Sandsun • Air Driven Hydraulic Pump Units

Air-Driven Hydraulic Pump & Quick Die Change System

Model: PC12 Pump / CA&CB-16 / CA&CB-25 Clamps

Reduces press die change downtime by up to 85%. Powered by an air-driven hydraulic pump unit that automatically reaches setting pressure and stops without wasting energy. The system powers hydraulic T-slot die clamps to lock the die, cylindrical roller die lifters to effortlessly roll multi-ton dies across the bolster, and cantilever die arms for smooth die loading.

Key Specifications:

Air-driven hydraulic pump automatically stalls when pressure is reached and resumes if pressure drops

Internal check valve circuit maintains high clamping pressure even if air supply is disconnected

Die Clamps (CA/CB-16 & 25) precision machined for horizontal and vertical bolster clamping

Die Lifters fitted with single-acting load-return cylinders and steel rollers for easy die glide

Heavy-duty cantilever Die Arms customized to die weight capacity and factory storage layout

Centralized control unit with electrical interlocks preventing press stroke during die change mode

Typical Applications:

Automotive stamping quick die change (SMED)Injection molding mold clampingSheet metal press shops

ENGINEERING DATASHEET

Technical Specifications

Pump Model	Sandsun PC12 Air-Driven High Pressure Unit
Die Clamp Models	CA-16, CB-16, CA-25, CB-25 (T-slot mount)
Die Lifter Unit	Rectangular cross-section up to 1850 mm length
Die Arm Capacity	500 kg up to 15,000 kg die weights
Operating Oil Pressure	140 to 250 kgf/cm²
Pneumatic Drive	4.0 to 6.0 bar compressed air