Blank Feeder Mechanism for Case Forming Presses

Product Specifications

Technical details and manufacturing context for Blank Feeder Mechanism

Definition

The Blank Feeder Mechanism is a critical component of a Case Forming and Drawing Press, responsible for the automated, precise, and reliable feeding of flat metal blanks (typically sheets or discs) from a stack or magazine into the press's forming station. It ensures correct positioning, orientation, and timing for the subsequent drawing and forming operations. The mechanism typically uses a combination of pneumatic, hydraulic, or servo-driven actuators, along with grippers, suction cups, or pusher arms, to pick up a single blank from a stack. It then transports and places it accurately onto the press bed or into the die. Operation is synchronized with the press cycle via a control system to ensure seamless integration. The unit is designed for integration into existing press lines and requires careful selection based on blank dimensions, material, and required cycle rate. Key parameters include feeding capacity of 30–60 strokes/min, blank thickness range of 0.5–3.0 mm, blank width range of 100–600 mm, feeding accuracy of ±0.05 mm, and feeding speed of 10–30 m/min. The mechanism operates on a pneumatic system pressure of 0.4–0.6 MPa, with power supply options of 220/380 V AC (three-phase or single-phase, 50/60 Hz) and control voltage of 24 V DC (±10%). It is designed for ambient temperatures of 5–45 °C and offers ingress protection of IP54–IP65 (IEC 60529). The structural frame is made of carbon steel Q235 (GB/T 700), and rollers use bearing steel GCr15 (GB/T 18254). The approximate net weight is 800–1200 kg, with maximum dimensions of 1500×800×1200 mm. These values are reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. The mechanism is intended for use in machinery and equipment manufacturing, specifically in metal forming processes. It is not a standalone machine but a component that requires proper integration and commissioning. Regular maintenance includes checking pneumatic pressure, sensor alignment, and wear on grippers or suction cups. Failure modes include mis-feeding, jamming, or loss of positioning accuracy, which can be detected through cycle monitoring and quality checks. The unit does not include the press itself or downstream tooling.

Working Principle

The mechanism operates by first separating a single blank from a stack using suction cups or grippers. The blank is then transported via a servo-driven or pneumatic slide to the press die area. Sensors and a PLC control system ensure precise timing and positioning, synchronized with the press cycle. The blank is released onto the die or press bed, and the mechanism retracts for the next cycle. The system uses a combination of pneumatic actuators for gripping and servo motors for precise linear movement, achieving high repeatability. The control system monitors the position and presence of the blank, adjusting the feed rate and timing as needed. The mechanism is designed to handle blanks of various sizes and materials within specified ranges, and it can be adjusted for different blank dimensions. The feeding accuracy of ±0.05 mm is achieved through closed-loop control and rigid mechanical guides. The system also includes safety interlocks to prevent operation if a blank is not correctly positioned.

Common Materials

Carbon Steel, Alloy Steel, Aluminum Alloy

Technical Parameters

Parameter	Typical range	Notes & selection driver
Feeding Capacity	30–60 strokes/min	Maximum blank feeding rate for continuous operation
Blank Thickness Range	0.5–3.0 mm	Thickness range for standard metal blanks
Blank Width Range	100–600 mm	Width range for standard metal blanks
Feeding Accuracy	±0.05 mm	Positioning accuracy of blank at die
Feeding Speed	10–30 m/min	Linear speed of blank during feeding
Operating Pressure	0.4–0.6 MPa	Pneumatic system pressure for grippers and actuators
Power Supply	220/380 V AC	Three-phase or single-phase, 50/60 Hz
Control Voltage	24 ±10% V DC	For PLC and sensors
Operating Temperature	5–45 °C	Ambient temperature range for reliable operation
Ingress Protection	IP54–IP65	Protection against dust and water jetsIEC 60529
Frame Material	Q235	Carbon steel for structural frameGB/T 700
Roller Material	GCr15	Bearing steel for wear resistanceGB/T 18254
Machine Weight	800–1200 kg	Approximate net weight
Footprint (L×W×H)	1500×800×1200 mm	Maximum dimensions

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Feed Arm/Gripper Part
Physically grips, lifts, and transfers the blank.

Material: Tool Steel
Linear Actuator
Provides the precise linear motion for the feed stroke.

Material: Steel Housing, Internal Alloy Components
Blank Magazine/Stacker
Holds a supply of blanks for continuous feeding.

Material: Steel
Position Sensor
Detects the presence and position of the blank for control feedback.

Material: Plastic Housing, Electronic Components
Gripping Pneumatic Actuator
Opens and closes the gripper on the blank; the linear actuator only moves the arm.
Suction Cups Optional
Lift a single blank off the stack by vacuum instead of by mechanical grip.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Case Forming and Drawing Press

View system integration details

Manufacturers of Blank Feeder Mechanism

Manufacturer profiles associated with Blank Feeder Mechanism.

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Frequently Asked Questions

What is the typical feeding capacity of this blank feeder?

The reference feeding capacity is 30–60 strokes per minute for continuous operation. However, the actual achievable rate depends on the specific model, blank size, material, and press cycle. Always verify with the manufacturer for your application.

Can this feeder handle different blank materials?

The mechanism is designed for metal blanks, with materials on file including carbon steel, alloy steel, and aluminum alloy. The blank thickness range is 0.5–3.0 mm and width range is 100–600 mm. For other materials or sizes, consult the manufacturer for suitability.

What is the required power supply and control voltage?

The power supply is 220/380 V AC (three-phase or single-phase, 50/60 Hz), and the control voltage is 24 V DC (±10%). Ensure your facility's electrical system matches these requirements. Verify with the manufacturer for exact specifications.

What maintenance is required for the blank feeder?

Regular maintenance includes checking pneumatic pressure (0.4–0.6 MPa), inspecting grippers or suction cups for wear, verifying sensor alignment, and lubricating moving parts. Also, monitor feeding accuracy and cycle timing. Follow the manufacturer's maintenance schedule for optimal performance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Max 10 bar hydraulic pressure
other spec:	Blank thickness: 0.5-3.0 mm, Feed rate: 10-60 blanks/min, Positioning accuracy: ±0.1 mm
temperature:	10°C to 50°C (ambient operating range)

Blank Feeder Mechanism

Product Specifications

Applied To / Applications

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