German KISSLING workholding fixtures KISSLING model KISSLING price

KISSLING workholding fixture is a machine tool accessory product manufactured based on the electromagnetic principle. It generates magnetic force by energizing internal coils, firmly holding workpieces in contact with the surface of a magnetically conductive panel. Demagnetization and workpiece removal are achieved by de-energizing the coils to eliminate the magnetic force. Main applications include workpiece fixation during the machining of ferrous workpieces on grinding machines, electromagnetic knife grinders, gantry milling machines, and gantry planers. Lifting screw holes are located on both sides of the rectangular electromagnetic chuck; insert T-head screws for lifting during installation, and secure to the workbench using T-head blocks and screws. 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 and bottom surfaces. When holding workpieces, sufficient positioning suction force is obtained by bridging two adjacent magnetic poles, allowing grinding operations to proceed. Magnetization and demagnetization of the workpiece can be controlled via machine tool buttons.

KISSLING workholding fixture structure

1) Locating elements: These contact the locating 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 machine tool movements during machining. 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 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 defined 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 locating keys, etc. Not all of these components are indispensable for every type of machine tool fixture, but any fixture must have locating elements and a clamping device. These are key to ensuring workpiece machining accuracy, with the aim of accurately positioning and securely clamping the workpiece.

KISSLING workholding fixture features

Mechanical grippers commonly use compressed air as the power source, achieving finger movement through a transmission mechanism. Based on the different motion trajectories of the fingers when clamping the workpiece, mechanical grippers are classified into: 1) Arc-opening/closing type: Driven by the transmission mechanism, the motion trajectory of the finger tips is an arc. This type of gripper has strict requirements on the dimensions of the clamped part of the workpiece; otherwise, it may cause abnormal workpiece status. 2) Arc parallel-opening/closing type: The two fingers of this gripper perform parallel opening and closing movements during operation, while the motion trajectory of the finger tips is an arc. The illustrated gripper shows two cases where a parallelogram transmission mechanism drives the parallel opening and closing of the fingers. 3) Linear parallel-opening/closing type: The motion trajectory of the two fingers of this gripper is linear, and the clamping surfaces of the two fingers remain parallel at all times. A cam mechanism is used to achieve the parallel opening and closing of the two fingers. Inclined cam slots are machined into the sliding blocks of each finger. When the piston rod moves up and down, rollers mounted on its end move within the cam slots, achieving parallel clamping motion of the fingers. Alternatively, a rack-and-pinion mechanism is used; when the rack at the end of the piston rod drives the gear to rotate, the racks on the fingers move linearly, causing the two fingers to open and close in parallel to clamp the workpiece.

KISSLING workholding fixture maintenance

When using vacuum suction cups (without clamps), 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 drop during rapid twisting. In some cases, a clamp can be used to ensure safe transport of the product. Considering the possibility of the product adhering to the mold, an air clamp can typically be installed to resolve this issue. If the product's surface area is too small or the product is too heavy for vacuum suction cups, the problem can also be resolved by using clamps. 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. Once the sensor confirms that the clamp or suction cup has securely grasped the product, it sends a signal to the manipulator to proceed with 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 remove it from the molding area, a special cylinder capable of independent movement, not relying on manipulator operation, can be added to improve the situation.

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