German EMHART workpiece fixtures EMHART model EMHART price

EMHART workpiece fixtures are any tools with specific functions connected to the robot edge (joint). This may include robot grippers, robot tool changers, robot collision sensors, robot rotary connectors, robot pressure tools, compliance devices, robot spray guns, robot deburring tools, robot arc welding torches, robot electric welding torches, etc. Robot end-effectors are generally considered peripheral equipment of the robot, robot accessories, robot tools, and arm-end tools (EOA). Main elements: mechanism form, gripping method, gripping force, drive unit and control object characteristics, mass, shape, center of gravity position, size, dimensional tolerance, surface condition, material, strength. Operating parameters: operating space environment, operating accuracy, operating speed and acceleration, clamping time.

EMHART workpiece fixture applications

Whether it is a simple hydraulic clamping fixture or a complex integrated production line, the design process for hydraulic clamping fixtures follows the same sequence: formulation of the overall scheme, selection of hydraulic cylinder types and specifications, selection of control valves, design of mechanical components, selection of pump station accessories, and system connection. Hydraulic clamping fixtures provide powerful clamping and positioning forces for various machining processes. Yun Dongli hydraulic cylinders are used for positioning and clamping in automated machining processes. Products such as self-centering vises and self-centering clamping elements ensure accurate positioning; swing cylinders and lever cylinders provide clamping force on the workpiece; support cylinders prevent deformation during machining. From simple fixturing to robot-assisted machining centers, hydraulic cylinders provide clamping and support forces to enhance production efficiency.

EMHART workpiece fixture principles and features

The structure of a flat vacuum suction cup consists of the suction cup and the suction cup holder. The flat vacuum suction cup first connects the vacuum suction cup to vacuum equipment, such as a vacuum generator, via a pipe, then contacts the object to be lifted, such as glass or paper. The vacuum equipment is started to create negative pressure inside the suction cup, securely holding the object to be lifted, allowing transport to begin. When the object reaches its destination, air is smoothly introduced into the vacuum suction cup, changing the internal pressure from negative to zero or slightly positive, causing the suction cup to release the object, thus completing the lifting and transport task. 1) High wear. Since it is generally made of rubber and directly contacts objects, it suffers severe wear and deteriorates quickly. It is a pneumatic wearable part. Precisely because of this, it stands out significantly among many pneumatic components. 2) Easy to use. Regardless of the material of the object being sucked, as long as it can be sealed without air leakage, it can be used. Electromagnetic chucks cannot do this; they can only be used on steel materials and cannot attract plates or objects made of other materials. 3) No pollution. Vacuum suction cups are particularly environmentally friendly, do not pollute the environment, and produce no light, heat, or electromagnetic radiation. 4) Does not damage workpieces. Because vacuum suction cups are made of rubber material, picking up or placing workpieces causes no damage to them. Hook-type lifting gear and steel cable lifting gear cannot achieve this. In some industries, where requirements for workpiece surfaces are particularly strict, only vacuum suction cups can be used.

EMHART workpiece fixture maintenance

1) Check before use whether the limit dimensions remain in the correct position. 2) If stop pins are worn beyond tolerance, they can be ground and repaired; if baffles, pins, or locating tapered pins are worn beyond tolerance, they can be reassembled, shifting the worn areas to continue use. 3) Apply anti-rust oil after use. Regular long-term lubrication maintains the life of synchronous fixtures; incorrect lubrication leads to reduced clamping force, poor precision, wear, and jamming, so correct lubrication is essential. After machining, be sure to clean the body and slide ways of the synchronous fixture using an air gun or similar tool. During cleaning, remove the dust cover fixing screws and take off the dust cover, while extending the main jaws to their widest position to easily clean accumulated chips inside the fixture. To avoid reduced clamping force due to rust, use rust-preventive cutting oil. Remove the synchronous fixture every six months for thorough cleaning (at least every two months when machining cast iron or copper products). Check parts for damage or wear; replace with new items immediately if severe. Lubricate thoroughly before assembly.

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