German IPR workpiece clamping fixtures IPR model IPR price

IPR workpiece fixture is a type of machine tool accessory produced based on the principle of using electromagnetic force: when the internal coil is energized, it generates magnetic force; through the magnetically conductive panel, the workpiece in contact with the panel surface is firmly held; when the coil is de-energized, the magnetic force disappears, achieving demagnetization and allowing the workpiece to be removed. Main applications include: fixing ferrous workpieces during machining on grinders, electromagnetic knife grinders, gantry milling machines, gantry planers, etc. There are lifting screw holes on both sides of the rectangular electromagnetic chuck; during installation, simply screw in T-shaped screws for lifting; use T-shaped blocks and screws to fix it to the workbench; connect the DC power supply and ground wire from the machine tool; then precision grind the upper surface of the chuck once to ensure parallelism between the upper surface and the bottom surface. When holding the workpiece, as long as it bridges two adjacent magnetic poles, sufficient positioning holding force can be obtained, allowing grinding operations to proceed. Via the machine tool buttons, magnetization and demagnetization of the workpiece can be achieved.

IPR workpiece clamping fixture structure

1) Positioning elements: These contact the positioning datum of the workpiece to determine its correct position within the fixture, thereby ensuring the correct relative position of the workpiece with respect to the tool and the machine tool's machining motion during processing. 2) Clamping device: Used to clamp the workpiece, keeping it in the established position within the fixture during cutting. As shown in Figure 6-1, this includes nut 5 and the open washer. 3) Tool-setting and guiding elements or devices: These elements ensure the correct position between the workpiece and the tool. Elements used to determine the correct position of the tool before machining are called tool-setting elements, such as tool-setting blocks. Elements used to determine the tool position and guide the tool during machining are called guiding elements. 4) Connecting elements: Elements that connect the fixture to the machine tool, ensuring the mutual positional relationship between the machine tool and the fixture. 5) Fixture body: The base component used to connect or fix various elements and devices on the fixture into a single unit. It connects and aligns with relevant parts of the machine tool, giving the fixture a definite position relative to the machine tool. 6) Other elements and devices: Depending on the machining requirements of the workpiece, some fixtures require indexing mechanisms, and milling machine fixtures may also require positioning keys, etc. Not all of these components are indispensable for every type of machine tool fixture. However, any fixture must have positioning elements and a clamping device, as they are key to ensuring workpiece machining accuracy, with the aim of accurately locating and firmly clamping the workpiece.

IPR workpiece clamping fixture operation

1) Assemble two pieces of sequence engine liners onto the sequence 1 strut according to the "Strut Welding Assembly" drawing, and place them on the fixture body; the sequence 1 strut is positioned by stop pins and stop plates; the sequence 1 strut is clamped by spiral clamps; At the same time, two engine bushings in sequence 4 are positioned by pins, and clamped by quick-release screw clamping devices; 2) After tack welding, release the quick-release screw clamping devices, pull out the pins, remove for welding; 3) Place the welded part back on the fixture body, position the welded part using stop pins and stop plates, clamp the welded part with screw clamps; then place the assembly of nut M6 and horn bracket onto the welded part, and position it using the tapered head pin on the screw clamping mechanism and the groove opened on the pressure plate of the screw clamping mechanism, and clamp it with the screw clamping mechanism; 4) Perform three-side welding on the assembly of nut M6 and horn bracket with the strut, then release all screw clamps, the pressure plate of the screw clamping mechanism clamping the assembly of nut M6 and horn bracket is spring-loaded upward, the positioning tapered head pin on it disengages from the welded part accordingly, then push out the pressure plate so that one end disengages from the stud of the screw clamping mechanism, rotate the pressure plate to one side of the welded part, then remove the welded part.

IPR workpiece clamping fixture maintenance

When using vacuum suction cups (without grippers), note that the manipulator's movement speed must not be too high. Otherwise, shear forces will be generated on the suction cup, causing the product to easily fall off during rapid twisting. In some cases, a gripper can be used to ensure safe transport of the product. Considering that the product may stick to the mold, an air gripper is usually installed to solve this problem. If the product's surface area is too small or the product is too heavy for vacuum suction cups, the issue can also be resolved by using grippers. If the product has strict appearance requirements, the clamped area must not be the outer surface. To address this, a sensor circuit can be installed. After confirming that the gripper or suction cup has securely held the product, the sensor sends a signal to the manipulator, enabling it to proceed to the next operation. In cases where the manipulator's motion capability is limited and manual twisting or prying is required to demold the product or move it out of the forming area, a special cylinder capable of independent movement without relying on manipulator operation can be added to improve the situation.

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