German WALTER tools, WALTER models, WALTER prices

WALTER tools are any tools connected to the edge (joint) of a robot with specific functions. This may include robot grippers, robot tool changers, robot collision sensors, robot rotary unions, 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, accessories, robot tools, or arm-end tools (EOA). Mechanical clamping end-effectors used in industrial robots for loading and unloading are mostly two-finger claw types. Classified by finger motion, they can be divided into translational and rotational types. Classified by mechanical clamping method, they can be divided into external clamping and internal expansion types. Classified by mechanical structural characteristics, they can be divided into electric (electromagnetic), hydraulic, and pneumatic types, as well as their combinations.

WALTER tool features

1) Air is easily accessible, operates at low pressure, and used air can be discharged locally without return pipelines. 2) Air has low viscosity and low flow resistance loss, facilitating centralized supply and long-distance transmission. 3) Pneumatic actuators have high movement speeds. 4) Pneumatic systems have strong environmental adaptability, working reliably in wide temperature ranges, humid and dusty environments. Minor leaks do not pollute the environment, there is no risk of fire or explosion, and usage is safe. 5) Simple structure, easy maintenance, and low cost. 6) Long service life of pneumatic components. 7) Pneumatic components have lower output force than hydraulic ones, faster movement, strong adaptability, and can operate in harsh environments such as flammable, explosive, dusty, humid, and impact-prone areas. They do not pollute the environment, have a long service life, simple construction, easy maintenance, and low price.

WALTER tool structure and composition

The cross-sectional shape and distribution of the magnetic core vary depending on the workpiece. Common structures of electromagnetic chucks include rectangular and circular types. Rectangular magnetic poles are arranged either longitudinally or transversely. Longitudinal arrangement of rectangular magnetic poles is suitable for fixing larger workpieces; transverse arrangement is suitable for fixing smaller workpieces. Circular chucks are suitable for fixing ring-shaped workpieces or workpieces with complex shapes. The main characteristics of standard electromagnetic chucks are: magnetic flux lines are evenly distributed on the surface of the magnetic disk, magnetic attraction cannot be concentrated, and the magnetic force per unit area is relatively small; the direction of magnetic force is perpendicular to the chuck surface and difficult to change, producing only one type of magnetic force for workpieces of the same contact area; the point of action of the magnetic force is limited to the contact surface between the workpiece and the chuck and cannot be changed arbitrarily. Therefore, disadvantages during machining include low positioning accuracy, insufficient clamping force, narrow scope of application, and low production efficiency.

WALTER tool usage

1) When placing the diamond dressing tool tip into the holder, take care not to impact the grinding wheel surface. 2) Do not align the single-point diamond dressing tool tip vertically with the center of the grinding wheel; it generally needs to be tilted by 10-15°. 3) Do not "quench" (suddenly cool) a heated dressing tool. During dry dressing, sufficient interval time must be maintained between two dressing operations to allow the heated dressing tool to cool. 4) Do not assume the grinding wheel surface is ideally flat. At the start of dressing, locate the high points of the grinding wheel and perform dressing. 5) If possible, the amount of material removed from the grinding wheel radius each time should not exceed 0.001 inches. Excessive removal can cause premature wear and frequent fracture of the diamond dressing tool tip. 6) However, do not remove too little material each time. Grinding wheels used on old or less rigid machine tools may not require dressing. 7) Note that the dressing tool should not remain in one position for too long. This will polish the grinding wheel surface, generate high temperatures, and damage the diamond dressing tool. Rotate the dressing tool at least once daily. 8) Do not continue to use worn or damaged dressing tools. Adjust or replace them promptly. 9) Do not select excessive removal amounts and fast traverse feed rates during rough dressing, followed by small removal amounts and slow traverse feed rates during finish dressing. This will quickly damage the diamond dressing tool. If possible, it is recommended to select the same traverse feed rate for both rough and finish dressing.

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