Classified by Actuation Method Single-Acting Cylinders Principle: Air pressure drives in one direction (extend), and a spring (or external force) returns it. Characteristics: Simple, low air consumption. Uneven force, limited stroke. Double-Acting Cylinders Principle: Air pressure drives both extension and retraction. Characteristics: High, controllable force. Standard, most common type. Classified by Function & Special Structure Rodless Cylinders Principle: The piston drives an external carriage via magnetic or mechanical coupling. No piston rod extends. Characteristics: Saves space, allows long strokes. Guided Cylinders Principle: Integrated linear guide resists side loads and torque. Characteristics: High rigidity, precision, prevents binding. Compact Cylinders Principle: Very low profile/short axial length. Characteristics: Saves height, used in tight spaces. Rotary Cylinders Principle: Converts […]
Adjusting a pusher feeder focuses on optimizing mechanical stroke, timing, and sensor feedback. Mechanical Adjustment Inspection & Cleaning Safety: Disconnect air and power. Action: Clean and check for wear on the pusher, guides, and hopper. Adjust Pusher Stroke Goal: Ensure the pusher fully ejects the part without over-travel. Method: For Pneumatic Cylinders: Adjust sensor positions or flow control valves. For Electric Actuators: Set travel limits in the control software. Adjust Clearance Goal: Optimize gap between pusher and hopper (slightly larger than part thickness). Pneumatic/Electrical Adjustment Adjust Speed Goal: Balance speed and stability. Method: Use flow control valves on the cylinder. Extend fast for positive ejection; retract slower to reduce impact. Adjust Sensor Positions Goal: Accurately detect “part present” and “low hopper” states. […]
Compression Riveter (for Solid Rivets) Process: Insert a solid rivet into a pre-drilled hole. The factory head is supported by a bucking bar or die below. A riveting head applies high pressure to upset the protruding shank. The shank plastically deforms, filling the hole and forming a second shop head. Core: Uses static pressure to create a permanent mechanical lock. Blind Rivet Gun (for Pop Rivets) Process: Insert a blind rivet into the hole. The tool’s jaws grip the rivet’s mandrel. The gun head pulls the mandrel back while reacting against the rivet body. This pulls the mandrel head, […]
Classified by Measured Property Position/Displacement Sensors: Detect presence, position, or distance. Force/Pressure Sensors: Measure force, weight, or torque. Vision Sensors: Capture images for identification, inspection, etc. Temperature Sensors: Measure temperature. Flow Sensors: Measure gas/liquid flow rate. Level Sensors: Detect liquid level in a tank. Classified by Working Principle Photoelectric Sensors: Use light (blocked or reflected by an object). Through-beam: Separate emitter and receiver. Retro-reflective: Emitter and receiver together, detect light from a reflector. Diffuse reflective: Detect light reflected directly from the object. Proximity Sensors: Detect nearby objects without contact. Inductive: Detect metals only. Capacitive: Detect both metals and non-metals. Fiber Optic Sensors: Use optical fibers to guide light to a […]
Limited Workspace Description: Its working envelope is relatively small and dome-shaped due to the parallel-arm structure. Pain Point: Unsuitable for long-distance movement; ideal only for compact work areas. Very Low Payload Capacity Description: Designed for speed, with lightweight components limiting load capacity. Pain Point: Typically handles only a few grams to a few hundred grams. Restricted End-Effector Orientation Description: The moving platform has limited ability to independently control tool orientation during motion. Pain Point: Not ideal for tasks requiring complex tool reorientation, like intricate screwdriving. Fixed Mounting Configuration Description: Typically ceiling-mounted, with a fixed work zone after installation. Pain Point: Reduces layout flexibility compared to floor-mounted robots on tracks. More Complex […]
The speed of a centrifugal feeder is one of its standout features. It typically achieves higher and smoother feeding rates compared to vibratory bowls for suitable parts. Speed Range and Advantages High-Speed Range: For small, uniform parts, centrifugal feeders can easily achieve speeds ranging from hundreds to thousands of parts per minute. Speeds between 1000 to 4000 PPM are common. Comparative Advantage: Their speed often surpasses that of vibratory bowls due to continuous rotary motion, which is more efficient than reciprocating vibration. Key Factors Influencing Speed Part Characteristics Size & Weight: Small, lightweight parts are accelerated and fed most efficiently. Shape & Flowability: Uniform, smooth, non-tangling parts achieve the highest speeds. Stability: Parts must remain stable […]
Extremely High Speed Description: The lightweight moving platform is driven by multiple servo motors simultaneously, allowing for very high acceleration and deceleration. Advantage: Ideal for high-speed picking, packaging, and sorting, significantly outperforming traditional serial robots in cycle time. Outstanding Repeatability Description: The load is shared by multiple arms, creating a stable, rigid structure that minimizes cumulative error and vibration. Advantage: Maintains high positional accuracy even at top speeds, perfect for precision pick-and-place. Excellent Dynamic Performance Description: High rigidity and low moving mass enable smooth, high-speed motion with minimal settling time. Advantage: Enables fast “point-to-point” jumps, reducing idle time and increasing overall efficiency. Compact Footprint Description: The motors are typically mounted on the […]
The core principle is that multiple independent arms work in parallel to drive a single moving platform. Core Structure Base Platform: The fixed base. Moving Platform: The end-effector that carries the tooling. Drive Arms: Typically 3 or 4 arms, each driven by an independent servo motor on the base. Forearm Links: Lightweight rods connecting the drive arms to the moving platform via spherical joints. Working Process Command Reception: The control system receives the target coordinates. Inverse Kinematics Calculation: The system calculates the required angle for each servo motor to reach the target simultaneously. Coordinated Drive: All servo motors rotate their drive arms precisely and in sync. Platform Movement: The motion of the […]
High Initial Investment Cost Description: A complete system includes a vibrating platform, industrial vision system, robot, and software, costing significantly more than traditional feeders. Pain Point: The largest barrier for SMEs; ROI must be carefully evaluated. Relatively Lower Cycle Speed Description: The “scatter-scan-pick” process is sequential. The robot typically picks one part at a time, limited by scattering and processing time. Pain Point: Maximum speed can be lower than a well-tuned multi-track vibratory bowl for pure speed applications. High Dependence on the Vision System Description: The system relies entirely on vision. Reflective, low-contrast, or transparent parts can cause recognition failures. Pain Point: System stability is highly sensitive to lighting and part […]
Flexible feeders excel in applications requiring high flexibility and gentle handling. They are ideal for: Tangle-Prone and Delicate Parts This is the primary strength of flexible feeders, solving key pain points of vibratory bowls. Examples: All types of springs O-rings, seals Flexible wires, cables Thin-walled, precision metal/plastic parts Reason: Parts are freely scattered, eliminating forced friction and impact that cause tangling, scratches, and deformation. Parts with Complex Geometry, Difficult to Orient When mechanical orientation is too complex or costly. Examples: Asymmetric parts Parts with deep holes/cavities Parts with subtle orientation features Reason: Vision systems can easily identify subtle features for precise orientation. High-Mix, Low-Volume Production When production lines require frequent product changeover. Examples: R&D […]
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